A system (5, 53) and a method for treating a fluid used for cleaning exhaust gas from pollutants including particulate matter, is provided. The system (5, 53) comprises a circulation tank (5) for accommodating said fluid, the circulation tank (5) comprising an outlet (23) for bleeding off part of the fluid. The system (5, 53) further comprises first means (9a) for adding a first chemical to said part of the fluid, said first chemical comprising a coagulant, and a separation device (15) for receiving a mixture comprising said part of the fluid and said first chemical, and for separating the mixture into a first fraction and a second fraction, which first fraction contains more particulate matter than the second fraction. The system (5, 53) further comprises a flocculation arrangement (13, 57) comprising a first flocculator device (29, 65) arranged between the separation device (15) and said first means (9a). The flocculation arrangement (13, 57) is arranged to retain said part of the fluid and said first chemical to promote agglomeration of particulate matter comprised in said part of the fluid before the mixture is received by the separation device (15).
The present invention provides a centrifugal separator (1) for separating at least one liquid phase from a liquid feed mixture. The separator comprises a centrifuge bowl (10) and arranged for rotation around an axis of rotation (X);a distributor (13) which divides the centrifuge bowl (10) interior into a central inlet chamber (32) and an annular separation space (12); wherein said separation space (12) comprises a stack (20) of separation discs arranged coaxially around the axis of rotation (X); an inlet (30) formed by a stationary inlet pipe (31) and the central inlet chamber (32), wherein the stationary inlet pipe (31) meets the centrifuge bowl (10) axially from the top and is arranged for supplying the liquid feed mixture to the central inlet chamber (32). The separator further comprises a first liquid outlet (40) for a separated liquid light phase arranged at the top of the centrifuge bowl (10) at radius that is larger than the radius of the stationary inlet pipe (31) and a first stationary outlet pipe (41) for receiving the separated liquid light phase from the first liquid outlet (40). The inlet is a hermetic inlet and the first stationary outlet pipe (41) is hermetically sealed to the centrifuge bowl (10). The centrifugal separator (1) further comprises a gap (60) which the first liquid outlet (40) or the first stationary outlet pipe (41) to the inlet (30), wherein said gap (60) is not part of a mechanical seal and has an axial width that is more than 0.1 mm and is arranged for providing a leakage of separated liquid light phase from the first liquid outlet (40) or the first stationary outlet pipe (41) to the inlet (30) during operation of the centrifugal separator.
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/06 - Arrangement of distributors or collectors in centrifuges
3.
METHOD OF CONCENTRATING A PLANT-BASED PROTEIN SUSPENSION
The present invention relates to a method of recovering a concentrated plant-based protein suspension, which comprises providing a plant-based protein suspension comprising suspended particles and providing a high-speed centrifugal separator (2) which comprises a frame (23), a drive member (29) and a centrifuge bowl (20). The drive member is configured to rotate the centrifuge bowl in relation to the frame around an axis of rotation. The centrifuge bowl encloses a separation space comprising a stack of separation discs, and comprises an inlet (8) for receiving the plant-based protein suspension, a liquid light phase outlet (4) for a separated liquid light phase and a liquid heavy phase outlet (3) for a separated liquid heavy phase. The liquid heavy phase outlet and/or light phase outlet is arranged in fluid connection with a liquid flow influencing means (6, 12). The method further comprises feeding the plant-based protein suspension to the inlet of the high-speed centrifugal separator, separating the plant-based protein suspension into a liquid light phase and a liquid heavy phase, which comprises the concentrated protein suspension. The method comprises removing the concentrated plant-based protein suspension as the liquid heavy phase through the heavy phase outlet by influencing the discharge flow by means of the liquid flow influencing means.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 5/10 - Centrifuges combined with other apparatus, e.g. electrostatic separators; Sets or systems of several centrifuges
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
4.
AN ARRANGEMENT HANDLING PURGED ALCOHOL-BASED FUEL AND A METHOD THEREFOR
An arrangement (100) and a method for handling purged alcohol- based fuel originating from an alcohol fuel system (108) configured to fuel an alcohol fueled engine (112), the arrangement (100) comprising: a boiler system (102) comprising a burner (104) and a fuel inlet (111) configured to selectively supply a fuel and thereby selectively sustain a primary flame in the burner (104) for production of heat and/or steam in the boiler system (102), a purge connection (140) configured to receive a purge mixture purged from the alcohol fuel system (108) using an inert gas, the purge mixture comprising a mixture of the inert gas and purged alcohol-based fuel, and a vapor-liquid separator (141).
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
C10L 1/02 - Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
F02B 47/02 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
5.
METHOD AND ARRANGEMENT FOR HANDLING VENT GAS MIXTURE
A method (200) for handling a vent gas mixture comprising fuel vapours of a fuel and inert gas, the vent gas mixture originating from a fuel system (120), the method (200) comprising: directing (S202) the vent gas mixture from the fuel system (120) to a condenser (131), the condenser (131) condensing at least a majority of the fuel vapours into liquid fuel such that the vent gas mixture comprises liquid fuel and inert gas, separating (S204) the liquid fuel and the inert gas of the vent gas mixture from the condenser (131) in a vapour-liquid separator (133), and selectively directing (S206) the liquid fuel from the vapour-liquid separator (133) to a boiler system (110), when the boiler system (110) is in a hot condition and is ready to receive and combust the liquid fuel of the vent gas mixture, or storing (S208) the liquid fuel in the vapour-liquid separator (133) and/or in a separate storage tank (135) until the boiler system (110) is in the hot condition and is ready to receive and combust the liquid fuel of the vent gas mixture.
B63H 21/38 - Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
C10L 1/02 - Liquid carbonaceous fuels essentially based on components consisting of carbon, hydrogen, and oxygen only
F02B 47/02 - Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being water or steam
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02M 63/02 - Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
The disclosure concerns a water transporting device (2) for a fish habitat (4) configured to be suspension in open water. The device (2) comprises an elongated conduit member (6) and a water moving device (12). The conduit member (6) at a first end portion (10) thereof is provided with at least one outlet opening (20) and the water moving device (12) is arranged at a second end portion (16) of the elongated conduit member (6). A plate member (22) is arranged at the second end portion (16). The plate member (22) extends in a radial direction (R) beyond the elongated conduit member (6). The plate member (22) is provided with a through opening (24) arranged in fluid communication with an inside of the elongated conduit member (6). The water moving device (12) is arranged to move (12) water through the through opening (24) and into the elongated conduit member (6).
The invention relates to a centrifugal separator (6) for separating a fluid mixture (50) into a first component (52) and a second component (54), wherein the second component (54) is denser than the first component (52). The centrifugal separator (6) comprising: a rotating bowl (56), which is rotatably supported by a frame (4) around a rotational drive shaft (58), and which rotational drive shaft (58) is rotatable around an axis of rotation (68); an electrical motor (14) connected to the rotational drive shaft (58); an inlet (60) to the rotating bowl (56); a first outlet (62) for the separated lighter first component (52) of the fluid mixture (50); and a second outlet (64) for the separated second component (54) of the fluid mixture (50); a cooling device (1) comprising: a body (2) connected to the frame (4) of the centrifugal separator (6), wherein the body (2) comprises a central opening (8) provided with an inner peripheral surface (10), which is connected to a stator (12) of the electrical motor (14); and wherein the body (2) further comprising an outer peripheral surface (16); and a cooling coil (18) arranged in the body (2) and extending circumferentially around the central opening (8), wherein the cooling coil (18) comprises a tube (20) provided with an inlet opening (22) and an outlet opening (24) for a cooling fluid (26).
An attachment means (58) for fastening a gasket (48) to a heat transfer plate (4), and a heat transfer plate (4), are provided. The attachment means (58) comprises a bridge (60), a first connection member (62), a second connection member (64) and a finger (66). The first and second connection members (62, 64) engages with the bridge (60) and are arranged to engage with the gasket (48). The finger (66) engages with the bridge (60) and extends between the first and second connection members (62, 64). The first connection member (62) comprises a first and a second portion (78, 80), the second portion (80) being arranged between the bridge (60) and the first portion (78). The attachment means is characterized in that the second portion (80) of the first connection member (62) comprises a second body (80a), and the first portion (78) of the first connection member (62) comprises a first body (78a) and a first retaining means (78b) projecting from a longitudinal outer side (82) of the first body (78a) in a direction away from the finger (66) so as to give the first portion (78) of the first connection member (62) a first width (wg11) which is larger than a second width (wg12) of the second portion (80) of the first connection member (62).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
An attachment means (58) for fastening a gasket (48) to a heat transfer plate (4), and a heat transfer plate (4), are provided. The attachment means (58) comprises a connection member (62), a first finger (64), a second finger (66) and a bridge (60). A first connection part (68) of the connection member (62) is arranged to engage with the gasket (48) and a second connection part (70) of the connection member (62) engages with the bridge (60). A connection part (72) of the first finger (64) engages with the bridge (60) and a connection part (74) of the second finger (66) engages with the bridge (60). The first and second fingers (64, 66) are arranged to extend from the bridge (60) towards the gasket (48). The connection member (62) extends between the first and second fingers (64, 66). The attachment means is characterized in that the connection member (62) comprises a first portion (621) with a first width (wc1) and a second portion (622) with a second width (wc2). The second portion (622) is arranged closer to the bridge (60) than the first portion (621), and the second width (wc2) is smaller than the first width (wc1).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A heat transfer plate (1) and a gasket (2) are provided. The heat transfer plate (1) comprises a front gasket groove (43) including an annular front groove part (45) extending around a heat transfer area (33), upper and lower distribution areas (13, 25), and first and third portholes (9, 21) of the heat transfer plate (1), and second and fourth ring groove parts (47, 49) enclosing second and fourth portholes (11, 23) of the heat transfer plate (1). The heat transfer plate (1) further comprises a second adiabatic area (17) extending between the annular front groove part (45) and the second ring groove part (47), and a fourth adiabatic area (29) extending between the annular front groove part (45) and the fourth ring groove part (49). An upper front groove portion (71) of the front gasket groove (43) extends between the second porthole (11) and the upper distribution area (13). A lower front groove portion (83) of the front gasket groove (43) extends between the fourth porthole (23) and the lower distribution area (25). The heat transfer plate (1) is characterized in that a bottom (67u, 69) of the upper front groove portion (71) is inclined such that a depth of the front gasket groove (43), within the upper front groove portion (71), increases in a direction towards the second adiabatic area (17), and a bottom (67l, 81) of the lower front groove portion (83) is inclined such that a depth of the front gasket groove (43), within the lower front groove portion (83), increases in a direction towards the fourth adiabatic area (29).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
The disclosure concerns a centrifugal separator comprising a separator bowl (4) delimiting therein a separation space (12) and being configured to rotate about a rotational axis and nozzle members (20) arranged peripherally at the separator bowl (4). Each nozzle member (20) forms a nozzle outlet (24) providing a passage (26) from the separation space (12) to a space (28) outside the separator bowl (4). The centrifugal separator comprises a protective member (30) arranged downstream of each nozzle outlet (24) at an outer periphery of the separator bowl (4). The nozzle member (20) secures the protective member (30) in relation to the separator bowl (4), at least in one circumferential direction of the separator bowl (4).
B04B 1/10 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
B04B 1/12 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with continuous discharge
The present invention provides a centrifugal separator (1) for separating at least one liquid phase and a solids phase from a liquid feed mixture, comprising a frame (2), a drive member (3) and a rotating part (4), wherein the drive member (3) is configured to rotate the rotating part (4) in relation to the frame (2) around an axis of rotation (X). The rotating part (4) comprises a centrifuge bowl (5) enclosing a separation space (9a) and a sludge space (9b) and the separation space (9) comprises a stack (10) of separation discs (10a) arranged coaxially around the axis of rotation (X) and wherein said sludge space (9b) is arranged radially outside said stack (10) of separation discs (10a). The centrifuge bowl (5) further comprises an inlet (14) for receiving the liquid feed mixture, at least one liquid outlet (6,7) for a separated liquid phase, and at least one sludge outlet (17) for a separated solids phase arranged at the periphery of the centrifuge bowl (5). Further, the upper inner surface (28) of the sludge space (9b) that extends to the at least one sludge outlet (17) forms an upper sludge space angle ? relative the axis of rotation (X) as seen in an axial plane, and wherein the upper inner surface (28) extends radially at least half the radial distance from the at least one sludge outlet (17) to the radial outer edge of the stack (10) of separation discs (10a) and wherein the upper sludge space angle ? is more than 5 degrees but less than 15 degrees.
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
A heat transfer plate (2a, 2d) is provided. It comprises an upper end portion (8), a center portion (24) and a lower end portion (16). The upper end portion (8) adjoins the center portion (24) along an upper borderline (30) and comprises a first and a second port hole (10, 12) and an upper distribution area (14) provided with an upper distribution pattern. The upper distribution pattern comprises elongate upper distribution ridges (50u), a respective top portion (50ut) of the upper distribution ridges (50u) extending in an imaginary upper plane (38) and having a rounded first, a rounded second, a rounded third and a rounded fourth corner (64, 66, 68, 70). The upper distribution ridges (50u) longitudinally extend along a plurality of separated imaginary upper ridge lines (54u) extending from the upper borderline (30) towards the first port hole (10). The heat transfer plate is characterized in that, for each of a first number > 1 of the upper distribution ridges extending along a top upper ridge line (54TR) of the upper ridge lines (54u), which top upper ridge line (54TR) is arranged closest to the second porthole (12), a curvature radius of the first corner (64) of the top portion (50ut) is larger than a curvature radius of the second corner (66) of the top portion (50ut). The first and second corners (64, 66) are arranged on opposite sides of the top upper ridge line (54TR), the second corner (66) is arranged closer to the second porthole (12) than the first corner (64), and the first and third corners are arranged on the same side of the top upper ridge line.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
14.
METHOD FOR OPERATING BIOPROCESSING SYSTEM AND BIOPROCESSING SYSTEM
The disclosure concerns a method (100) for operating a bioprocessing system, comprising steps of: - producing (102) a cell culture mixture in a fermentor (4), - conducting (104) a flow of cell culture mixture from the fermentor (4) into an interior of a centrifugal separator (6) comprising a surface enlarging insert, simultaneously with the step of producing (102) the cell culture mixture, and - returning (106) continuously from the interior of the centrifugal separator (6) a flow of liquid to the fermentor (4), simultaneously with the steps of producing (102) the cell culture mixture and conducting (104) the flow of cell culture mixture.
The present invention is related to a method of greasing a decanter centrifuge. Each bearing of the decanter centrifuge being located in a bearing housing and at least one bearing housing having a grease flow meter. The grease flow meter being connected to a control unit. The method comprising generating a greasing operation when the operating time of the decanter centrifuge is equal to or exceeds a specific time interval between greasing operations. The greasing operation includes generating a start signal in the control unit, measuring an amount of grease injected into the bearing housing by using the flow meter, and generating a stop signal in the control unit when the amount of grease injected into the bearing housing is equal to or exceeds a specific amount of grease to be injected at each greasing operation.
B04B 3/04 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering discharging solid particles from the bowl by a conveying screw co-axial with the bowl axis and rotating relatively to the bowl
F16N 29/02 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
16.
DEVICE AND METHOD FOR CONTINUOUSLY SEPARATING FLOWABLE MATERIALS OF DIFFERENT DENSITY IN A SUSPENSION
The present invention relates to a device (10) for continuously separating flowable materials of different density in a suspension, comprising: a drum (12), which is mounted rotatably about an axis of rotation (D), can be rotated about the axis of rotation (D) by means of a drum motor (20) and encloses a cavity (18); a conveyor screw (22), which is mounted rotatably about the axis of rotation (D), is arranged at least partially in the cavity (18) and can be rotated about the axis of rotation (D) by means of a conveyor screw motor (24); a feed tube (26) for feeding the suspension into the cavity (18), wherein the drum (12) has an outlet (28) for discharging a centrifugate obtained from the suspension out of the cavity (18), and the outlet (28) has an open jet portion (36) in which the centrifugate forms an open jet (FS); and a measuring device (40), by means of which the transmission (T) and/or the reflection (R) of the centrifugate in the open jet (FS) can be determined in a contactless manner. The invention further relates to a corresponding method.
B04B 3/04 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering discharging solid particles from the bowl by a conveying screw co-axial with the bowl axis and rotating relatively to the bowl
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
B04B 11/06 - Arrangement of distributors or collectors in centrifuges
17.
A HEAT EXCHANGER COMPRISING A PLATE PACKAGE AND A HOLLOW MANIFOLD
The present invention relates to a plate heat exchanger comprising a plate package and a manifold both made of metal. The plate package comprises a plurality of heat exchanger plates stacked between end plates. The heat exchanger plates being sealed to each other and form alternating first plate interspaces for a first medium and second plate interspaces for a second medium. The plate package defines at least two port channels communicating with the first plate interspaces. At least one of the end plates define connection ports communicating with a respective port channel. The manifold defines a port opening, a distant opening and a flow passage extending between the port opening and the distant opening. The manifold being fixedly attached to one of the end plates such that the port opening of the manifold covers one of the connection ports. The manifold being made by additive manufacturing, moulding or casting.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
18.
A CENTRIFUGAL SEPARATOR FOR SEPARATING A LIQUID MIXTURE
The present invention provides a separation system (120) for separating a liquid mixture comprising comprising a centrifugal separator (100), wherein the centrifugal separator (100) comprises a stationary frame (30), a rotatable assembly (101) and a drive unit (34) for rotating the rotatable assembly (101) relative the frame (30) around an axis of rotation (X). The separator further comprises a feed inlet (20) for receiving a liquid mixture to be separated, a first liquid outlet (21) for discharge of a separated liquid light phase and a second liquid outlet (22) for discharge of a liquid heavy phase having a density that is higher than said liquid light phase. The rotatable assembly (101) comprises a rotor casing (2) enclosing a separation space (17) in which a stack (19) of separation discs is arranged to rotate around a vertical axis (X) of rotation, wherein the separation space (17) is arranged for receiving liquid mixture from said feed inlet (20). The separation system (120) further comprises a container (60) arranged downstream of said first and/or second liquid outlet (21,22) for receiving discharged liquid phase, and a scale (61) for measuring the weight of discharged liquid phase contained in said container (60).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
A centrifugal separator is configured for processing a product by separating a relatively heavy component and a relatively light component therefrom. The centrifugal separator comprises a spindle (3) supported by a stationary frame (2). A drive unit (4) acts on a rotating member (5) mounted on the spindle to rotate the spindle. A centrifuge rotor (8) mounted to the spindle encloses a separation space (9). An upper bearing housing (20) is mounted to the stationary frame and supports bearings (22, 23) comprising an outer bearing ring (24) attached to the upper bearing housing and an inner bearing ring (25) attached to the spindle. The upper bearing housing is mounted to the stationary frame (2) via an elastic member (40) permitting the upper bearing housing and the spindle to move radially, and via an upper tilting member (41) permitting the spindle to tilt during operation of the centrifugal separator.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
F16C 27/04 - Ball or roller bearings, e.g. with resilient rolling bodies
F16C 27/08 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
F16C 39/02 - Relieving load on bearings using mechanical means
The present invention provides a bearing member (65) for supporting a rotatable axle, comprising a bearing housing (20); at least one bearing (32) inserted into the bearing housing (20); wherein the bearing (32) is configured to receive a rotatable shaft (72) extending through the bearing; and a tilting member (41) arranged around the bearing housing (20). The tilting member (41) comprises a pack of annular discs (44) forming a through hole (62) for receiving the bearing housing (20); wherein each of the annular discs (44) comprises a plurality of apertures extending through each of the discs and wherein the tilting member (41) further comprises a sleeve element (47) provided in each of the apertures for holding the annular discs (44) together as a stack and for receiving a fastening means for attaching the tilting member (41) to said bearing housing (20) or said stationary machine element (71). The bearing member (65) further comprises at least one fastening element (64) extending through a sleeve (47) of the tilting member (41) and attaching the tilting member (41) to the bearing housing (20).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
F16C 27/04 - Ball or roller bearings, e.g. with resilient rolling bodies
F16C 27/08 - Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
F16C 39/02 - Relieving load on bearings using mechanical means
21.
A HEAT EXCHANGER PLATE, AND A PLATE HEAT EXCHANGER
A plate heat exchanger comprises heat exchanger plates (2) each comprising a heat exchanger area (6) extending in parallel with an extension plane (p) and comprising a corrugation (7) extending from a primary level (p') on one side of the extension plane to a secondary level (p'') on an opposite side of the extension plane. Four porthole areas (11', 11'') enclose a respective porthole (12) and comprise two first porthole areas (11') comprising a respective annular base area (14) around the porthole at the secondary level. Each first porthole area comprises a first annular ridge (21) around the porthole and projecting from the annular base area to the primary level, and a second annular ridge (22) around and at a distance from the first annular ridge and projecting from the annular base area to the primary level. The first and second annular ridges are through-broken by a number of depressions (25).
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
A heat transfer plate (8) for a plate heat exchanger (2) is provided. It comprises a heat transfer area (22) provided with a heat transfer pattern. The heat transfer pattern comprises elongate alternately arranged heat transfer ridges and heat transfer valleys (36, 38), a respective top portion (40) of the heat transfer ridges (36) extending in a top plane (T) and a respective bottom portion (42) of the heat transfer valleys (38) extending in a bottom plane (B). The heat transfer ridges (36) comprise ridge contact areas (52, 62) within which the heat transfer ridges (36) are arranged to abut an adjacent first heat transfer plate (48) in the plate heat exchanger (2), and the heat transfer valleys (38) comprise valley contact areas (54, 64) within which the heat transfer valleys (38) are arranged to abut an adjacent second heat transfer plate (50) in the plate heat exchanger (2). Within at least half of the heat transfer area (22), the top portions (40) of the heat transfer ridges (36) have a first width w1, and the bottom portions (42) of the heat transfer valleys (38) have a second width w2, w1?w2. The heat transfer plate (8) is characterized in that the top portion (40) of a number of first heat transfer ridges (36a, 36b) of the heat transfer ridges (36), within a respective first ridge contact area (52a, 62b) of the ridge contact areas (52, 62), has a third width w3, wherein, if w1>w2 then w3w1.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
23.
METHOD FOR MOUNTING A STACK OF SEPARATING DISCS IN A CENTRIFUGAL SEPARATOR BOWL AND A TOOL
A method for mounting a stack of separating discs in a centrifugal separator bowl comprising a bowl body and a bowl hood, comprising: mounting and securing said stack on a distributor; rotatably fixing said distributor in said bowl body; mounting said bowl hood on said bowl body; arranging a compression tool for compressing said stack, said compression tool comprising a support, a screw, and a nut, with a second end of said support resting axially on said bowl hood or a neck ring attached to said bowl hood; fastening said screw with a second threaded end in a first threading of said distributor; tightening said nut such that said distributor is lifted to an upper position; fixing said distributor in its upper position; and dismounting said compression tool. A compression tool for performing said method, and a centrifugal separator kit comprising a centrifugal separator and said compression tool.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 7/14 - Inserts, e.g. armouring plates for separating walls of conical shape
24.
PREVENTION OF MICROBIOLOGICAL GROWTH IN HEAT EXCHANGERS
A heat exchanger assembly (10) is proposed comprising: a heat exchanger (12) forming one or more electrically connected partitions (26) separating a first fluid (22) and a second fluid (24). The assembly (10) further comprises: a first electrical connector (14) and a second electrical connector (16) that are operationally connected to the partitions (26) of the heat exchanger (12) and an electrical power source (18) operationally connected to the first electrical connector (14) and the second electrical connector (16). The electrical power source (18) is configured to supply an electric current to the one or more partitions (26) of the heat exchanger (12) via the first electrical connector (14) and the second electrical connector (16).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
Aspects of the present disclosure relate to dewatering methods, systems, apparatus, and associated components thereof. In one implementation, a plow for a sludge dewatering system includes a blade. The blade includes a leading edge, and a first wing swept downward in a vertical direction and outward in a first horizontal direction relative to the leading edge. The blade also includes a second wing swept downward in the vertical direction and outward in a second horizontal direction relative to the leading edge. The second horizontal direction is opposite of the first horizontal direction.
C02F 11/123 - Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
C02F 11/121 - Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
B01D 33/04 - Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
B01D 33/68 - Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
C02F 11/12 - Treatment of sludge; Devices therefor by de-watering, drying or thickening
26.
EXHAUST GAS CLEANING SYSTEM AND METHOD FOR CLEANING EXHAUST GAS AND USE OF EXHAUST GAS CLEANING SYSTEM
An exhaust gas cleaning system (1, 49, 77, 107), a method and a use are provided. The exhaust gas cleaning system is for cleaning exhaust gas (EG) onboard a ship and comprises an exhaust gas inlet (5, 79) for receiving the exhaust gas to be cleaned, and a scrubber (9, 51, 83) arranged to clean, in a scrubbing section (11, 53, 89) of the scrubber, the exhaust gas from pollutants. The scrubbing section comprises an exhaust gas inlet (19) for receiving the exhaust gas and an exhaust gas outlet (15, 57) for outputting the exhaust gas. The exhaust gas cleaning system further comprises a wet Electrostatic Precipitator (39) arranged to further clean the exhaust gas from pollutants after it has been cleaned in the scrubbing section. The wet Electrostatic Precipitator comprises an exhaust gas inlet (40) arranged in communication with the exhaust gas outlet of the scrubbing section for receiving the exhaust gas, an exhaust gas outlet (42) for outputting the exhaust gas, and at least one channel (38) arranged to convey the exhaust gas from the exhaust gas inlet to the exhaust gas outlet of the wet Electrostatic Precipitator. Also, the exhaust gas cleaning system comprises an exhaust gas outlet (7, 81) for outputting the cleaned exhaust gas. The exhaust gas cleaning system is characterized in further comprising a second number = 1 of first ejection devices (43) arranged between the scrubbing section and said at least one channel (38), each of the first ejection devices comprising an ejection orifice facing the wet Electrostatic Precipitator (39) and being arranged to, when exhaust gas is flowing through the exhaust gas cleaning system, eject liquid towards said at least one channel to clean it from pollutants deposited by the exhaust gas when this is conveyed through said at least one channel.
F01N 3/04 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of liquids
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
F01N 3/01 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
27.
CENTRIFUGAL SEPARATION SYSTEM AND METHOD OF OPERATING A CENTRIFUGAL SEPARATOR
Herein a centrifugal separator (2) is disclosed. The separator comprises a rotor (4), and a control system (30). The control system (30) comprises a first and a second pressure sensor (34, 36) arranged at first and second radial positions in a separation space (8) of the rotor (4). The first and second pressure sensors (34, 36) are positioned to be submerged in process liquid during operation of the centrifugal separator (2). A control unit (32) of the control system is configured to determine a parameter of the process liquid within the separation space (8) during operation of the centrifugal separator (2) based on measurements from the first and second pressure sensors (34, 36).
B04B 11/04 - Periodical feeding or discharging; Control arrangements therefor
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 13/00 - Control arrangements specially designed for centrifuges; Programme control of centrifuges
A method for joining a first metal part (11) with a second metal part (12), the metal parts (11, 12) having a solidus temperature above 1100 ºC. The method comprises: applying a melting depressant composition (14) on a surface (15) of the first metal part (11), the melting depressant composition (14) comprising a melting depressant component that comprises at least 25 wt% boron and silicon for decreasing a melting temperature of the first metal part (11); bringing (202) the second metal part (12) into contact with the melting depressant composition (14) at a contact point (16) on said surface (15); heating the first and second metal parts (11, 12) to a temperature above 1100 ºC; and allowing a melted metal layer (210) of the first metal component (11) to solidify, such that a joint (25) is obtained at the contact point (16). According to the present disclosure the boron at least partly originates from a boron compound selected from any of the following compounds: boric acid, borax, titanium diboride and boron nitride. The melting depressant composition and related products are also described.
B23K 35/36 - Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
B23K 1/20 - Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
B23K 35/00 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
B23K 35/30 - Selection of soldering or welding materials proper with the principal constituent melting at less than 1550°C
29.
HEAVY PHASE LIQUID DISCHARGE ELEMENT FOR A CENTRIFUGAL SEPARATOR, CENTRIFUGAL SEPARATOR AND METHOD FOR SEPARATING TWO LIQUID PHASES
The present disclosure relates to a heavy phase liquid discharge element, a centrifugal separator comprising the element and to a method of separating two liquid phases. The heavy phase liquid discharge element (200) comprises at least one inlet opening (211; 212) on a first side (210) of the heavy phase liquid discharge element, the at least one inlet opening being adapted to face an interior of the centrifugal separator, and at least two separate outlet channels (271; 272) defining an outlet on the second side (220) of the heavy phase liquid discharge element, wherein at least a portion of each of the outlet channels overlaps with the at least one inlet opening, thereby forming a liquid pathway between the at least one inlet opening and the outlet defined by the at least two outlet channels through which the liquid can pass. By this design, pressure losses in the heavy phase liquid outlets can be decreased.
B04B 1/20 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
30.
AIRBORNE MICROORGANISMS NEUTRALIZING SYSTEM AND METHOD OF NEUTRALIZING AIRBONE MICROORGANISM
A system for neutralizing airborne microorganisms includes a conditioning section for accommodating a flow of air, the conditioning section including an air inlet; an air outlet;a packing chamber located downstream relative to the air inlet, a distribution chamber located downstream relative to the packing chamber and located above the packing chamber, the distribution chamber including at least one spray nozzle for spraying a liquid desiccant into the distribution chamber towards the packing chamber; a sump located below the packing chamber; a pump for propelling the liquid desiccant from the sump to the at least one spray nozzle; a droplet collection chamber located downstream relative to the at least one spray nozzle for removing droplets from the flow of air flowing through the droplet collection chamber; and a UV disinfection chamber located downstream relative to the droplet collection chamber and upstream relative to the air outlet.
A plate heat exchanger and a heat exchanger plate (1) for evaporation of a first fluid are disclosed. The heat exchanger plate comprises a heat exchanger area extending in parallel with an extension plane (p) of the heat exchanger plate and comprising a corrugation of ridges and valleys. An edge area extends around the heat exchanger area. Portholes extend through the heat exchanger area and comprise a first inlet porthole (11) for said first fluid. A peripheral rim (15) surrounds the first inlet porthole and extends transversely to the extension plane from a root end (16) to an edge (17). The peripheral rim has a circumferential length and comprises a flat or substantially flat portion (31). A restriction hole (30) extends through the flat or substantially flat portion.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
A plate heat exchanger includes heat exchanger plates positioned between two end plates, a plurality of threaded tightening bolts each extending between one of the end plates and a drive unit, and through the other end plate, and a plurality of motors collectively defining the drive unit. The threaded tightening bolts each include a bolt head that bears directly/indirectly against the first or second end plate. A nut is in threaded engagement with each threaded tightening bolt and bears directly or indirectly against the second or first end plate so that the bolt head/nut associated with each threaded tightening bolt bear directly or indirectly against different ones of the first and second end plates. Each of the motors is operatively connected to a respective one of the threaded tightening bolts so that each of the threaded tightening bolts is rotatable independently of others of the threaded tightening bolts.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
The present disclosure relates to a fish farming tank for cultivating living fish, wherein the tank (1) comprises a bottom (2) and a side wall (3) defining an internal volume (4) for holding water up to a maximal water fill level, and an active flow control system for generating a circulating flow of water within the tank (1), wherein the active flow control system has a first water inlet arrangement (5a) for injecting water into the internal volume (4) and a first water outlet arrangement (6a) for removing water from the internal volume (4). The first water inlet arrangement (5a) is configured for injecting water over more than half of a maximal depth (7) stretching from an interior surface of the bottom (2) to the maximal water fill level.The present disclosure also relates to a method for generating a circulating flow of water in a fish farming tank for cultivating living fish.
The present disclosure relates to a fish farming tank for cultivating living fish, wherein the tank (1) comprises an active flow control system for generating a circulating flow of water within the tank (1). The tank (1) has an elongated stadium shape with an elongated partition (27) located centrally along a longitudinal direction (28) of the tank (1), as seen from above, such that a continuous tank channel (30) with first and second parallel longitudinal channel sections (31, 32) and first and second curved end sections (33, 34) is provided within the tank (1). The active flow control system has a first and a second water inlet arrangement (5a, 5b) for injecting water into the tank (1) and a first water outlet arrangement (6a) for removing water from the tank (1). The first water inlet arrangement (5a) is located at a first longitudinal end region (47) of the partition (27) and configured for injecting water into the first longitudinal channel section (31), and the second water inlet arrangement (5b) is located at a second longitudinal end region (48) of the partition (27) and configured for injecting water into the second longitudinal channel section (32). The present disclosure also relates to a corresponding method for generating a circulating flow of water in a fish farming tank for cultivating living fish.
The present invention provides a method for separating a cell culture mixture. A centrifugal separator comprising a stationary frame (30), a rotatable assembly (101) and a drive unit (34) for rotating the rotatable assembly (101) relative the frame (30) around a vertical axis of rotation (X) is utilised. The rotatable assembly (101) comprises a rotor casing (2) enclosing a separation space (17) in which a stack (19) of separation discs is arranged to rotate around an axis (X) of rotation; said rotor casing (2) further comprising a mechanically hermetically sealed inlet (20) for supply of said cell culture mixture to said separation space (17) and first and second mechanically hermetically sealed liquid outlets (21, 22) The said second mechanically hermetically sealed outlet (22) is arranged at an axial end (6) of said rotor casing (2) and arranged so that separated cell phase is discharged at the rotational axis (X).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
Herein a centrifugal separation system (200) comprising a centrifugal separator (202), a liquid feed mixture conduit (204), a light phase conduit (206), a heavy phase conduit (208), and a flow control system (210) are disclosed. The flow control system (210) comprises a control unit (226), a flow control valve (224) arranged in a light phase conduit (206), a liquid feed mixture measuring device (220), and at a light phase measuring device (222) and/or a heavy phase measuring device (223). The control unit (226) is configured to control the flow control valve (224) based on measurements from the liquid feed mixture measuring device (220) and measurements from the light phase measuring device (222) and/or the heavy phase measuring device (223).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/04 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls
B04B 5/04 - Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
An exchangeable separation insert for a centrifugal separator comprising a rotor casing enclosing a separation space in which a stack of separation discs is arranged to rotate around an axis of rotation. Said rotor casing axially arranged between a first and a second stationary portion. The insert further comprising a feed inlet for supplying a fluid mixture to said separation space, a light phase outlet, and a heavy phase outlet. A first seal assembly seals and connects two of said feed inlet, light phase outlet and heavy phase outlet to corresponding inlet conduit and/or outlet conduits. Said first seal assembly comprises a rotatable part attached to said rotor casing and a stationary part attached to said stationary portion. Two of said feed inlet, light phase outlet and heavy phase outlet are led through said rotatable part and corresponding inlet conduit and/or outlet conduits are led through said stationary part.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
The present invention provides an exchangeable separation insert (1) for a centrifugal separator (100) comprising a rotor casing (2) enclosing a separation space (17) in which a stack (19) of separation discs is arranged, and first and second stationary portions (3, 4). A feed inlet (20) supplies a fluid mixture to to said separation space (17). The insert further comprises a light phase outlet (21) and a heavy phase outlet (22). Said feed inlet (20) is arranged at a first axial end (5) of said rotor casing (2). One of said light phase outlet (21) and heavy phase outlet (22) is arranged at a second axial end (6). A first rotatable seal (15) seals and connects said feed inlet (20) and a second rotatable seal (16) seals and connects one of said light phase outlet (21) and heavy phase outlet (22).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
39.
MODULAR CENTRIFUGAL SEPARATOR AND BASE UNIT THEREOF AND SYSTEM
Herein a base unit (4) and a modular centrifugal separator (2) are disclosed. The base unit (4) comprises a stationary frame (8), a rotatable member (16), and a drive unit (18). The rotatable member (16) delimits an inner space (26) being configured for receiving at least one part of an exchangeable separation insert (6) therein. The rotatable member (16) is provided with a first opening (28) at a first axial end (22) configured for a first fluid connection (94) of the exchangeable separation insert (6) to extend through the first opening (28). The rotatable member (16) comprises a second opening (30) at a second axial end (24) configured for a second fluid connection (96) of the exchangeable separation insert (6) to extend through the second opening (30).
The present invention provides a centrifugal separator (100) for separation of a cell culture mixture. The separator comprises a stationary frame (30), a rotatable assembly (101) and a drive unit (34) for rotating the rotatable assembly (101) relative the frame (30) around a vertical axis of rotation (X). The rotatable assembly (101) comprises a rotor casing (2) enclosing a separation space (17) in which a stack (19) of separation discs is arranged to rotate around an axis (X) of rotation; said rotor casing (2) further comprising a mechanically hermetically sealed inlet (20) and first and second mechanically hermetically sealed liquid outlets (21, 22)The said second mechanically hermetically sealed outlet (22) is arranged at an axial end (6) of said rotor casing (2) opposite and arranged so that a separated cell phase is discharged at the rotational axis (X).The rotatable assembly (101) comprises an exchangeable separation insert (1) and a rotatable member (31).
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
A heat transfer plate (2a) is provided. It comprises a first end portion (8), a second end portion (16) and a center portion (24) arranged in succession along a longitudinal center axis (L) of the heat transfer plate (2a). The center portion (24) comprises a heat transfer area (26) provided with a heat transfer pattern comprising support ridges (60) and support valleys (62). The support ridges (60) and support valleys (62) longitudinally extend parallel to the longitudinal center axis (L) of the heat transfer plate (2a). The support ridges (60) and support valleys (62) are alternately arranged along a number = x of separated imaginary longitudinal straight lines (64) extending parallel to the longitudinal center axis (L) of the heat transfer plate (2a) and along a number of separated imaginary transverse straight lines (66) extending perpendicular to the longitudinal center axis (L) of the heat transfer plate (2a). The heat transfer pattern further comprises turbulence ridges (68) and turbulence valleys (70). The heat transfer plate (2a) is characterized in that at least a plurality of the turbulence ridges (68) and turbulence valleys (70) along at least a center portion (68a, 70a) of their longitudinal extension extend inclined in relation to the transverse imaginary straight lines (66).
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
42.
METHOD OF PRODUCING A LOW-FAT PRODUCT AND A SYSTEM FOR PRODUCING A LOW-FAT PRODUCT
The present invention relates to a method of producing a low-fat product from a starting material made of a fat and/or oil containing plant- or animal item. The method comprising the steps of providing the starting material at a temperature of at least 35°C and extracting a greater part of the extractable oil and/or fat originally contained in the plant or animal item from the starting material using a first decanter centrifuge. The first decanter centrifuge is thereby leaving a residue of solids and liquids. The residue is forming the low-fat product.
An exhaust gas cleaning system (1) and a method for cleaning exhaust gas (EG) onboard a ship are provided. The exhaust gas cleaning system (1) comprises a first sub system (3) including a scrubber unit (15) comprising a scrubber (17) arranged to wash the exhaust gas (EG) with a scrubber fluid, and a centrifugal separator (9) arranged in communication with the scrubber unit (15) for receiving the scrubber fluid after washing and separate it into a first and a second fraction, which second fraction is more polluted than the first fraction. The exhaust gas cleaning system (1) is characterized in that it further comprises a second sub system (5) including a membrane filter (21) arranged in communication with the centrifugal separator (9) for receiving the first fraction output from the centrifugal separator (9) and separating it into a third and a fourth fraction, which fourth fraction is more polluted than the third fraction.
F01N 3/04 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of liquids
F01N 13/00 - Exhaust or silencing apparatus characterised by constructional features
A centrifugal separator having a device for the transformation of kinetic energy of a liquid rotating in a discharge chamber (12) around a rotational axis to pressure energy, comprising a discharge element (17) for the discharge of liquid out of the discharge chamber (12), which discharge element (17) has a radially outer part shaped as a body of revolution about the rotational axis and arranged to be located in a rotating liquid body in said discharge chamber (12), at least one outlet channel (19) formed in the discharge element (17) and having an inlet opening (18) located in a surface of the body of revolution and elongated in the liquid flow direction, the inlet opening (18) connecting to the interior of an outlet tube (16) via said outlet channel (19), wherein said outlet channel (19) having a defined axial height (h) and a defined width (w) which vary along their extension from the inlet opening (18) to the connection to said outlet tube (16) in such a way that a defined aspect ratio h/w decreases along at least a part (19b) of the extension of the outlet channel (19), and wherein a defined aspect ratio h/w being larger than 1 in an outer first part (19a) of said outlet channel (19) and decreasing to smaller than 1 in an inner second part (19b) of said outlet channel and wherein the height (h) decreases inwardly along the length of said outlet channel (19).
A centrifugal separator (1) comprising a rotor arrangement (2) and a drive arrangement (5) is disclosed. A user of electric energy (12) is arranged in the rotor arrangement (2). The centrifugal separator comprises a rotary transformer (14), the rotary transformer comprising a transformer stator and a transformer rotor. The transformer stator and the transformer rotor are arranged adjacent to each other with an airgap therebetween. The transformer rotor comprises a secondary coil and is rotatable together with the rotor arrangement (2). The secondary coil is electrically connected to the user of electric energy (12) arranged in the rotor arrangement (2) for providing the user of electric energy (12) with an electric current. The user of electric energy may be an actuator, and/or a sensor, and/or a control unit (46).
A wastewater treatment system and a wastewater treatment process, fluidly combining a one or more SBR (sequencing batch reactor) module/s, in which nitrification and denitrification of the wastewater are performed in sequences and one or more MBR (membrane bioreactor) module/s.
A heat transfer plate (HTP) that has four guide sections. Two of the guide sections each have, as seen from a first side of the HTP, a projection configured to engage with a first adjacent HTP on the first side of the HTP, and also have, as seen from the opposite second side of that HTP, a recess configured to engage with a second adjacent HTP on the opposite second side of the HTP. A third guide section has, as seen from the second side, a projection to engage with the second adjacent HTP, and, as seen from the first side, a recess configured to engage with the first adjacent HTP. The projections and recesses are configured such that the engagement of the projections and the recesses of the HTP with the first adjacent HTP and the second adjacent HTP aligns the HTPs with respect to each other.
A process of treating edible oil. An edible oil is brought in contact with porous bodies comprising an epoxide conversion catalyst. The porous bodies have a size of larger than 0.5 mm. A system for treatment of edible oil. The system comprises a first treatment unit and a reactor vessel arranged to receive edible oil originating from the first treatment unit. The reaction vessel comprises porous bodies comprising an epoxide conversion catalyst, the porous bodies having a size of larger than 0.5 mm. Use of porous bodies comprising an epoxide conversion catalyst, the porous bodies having a size of larger than 0.5 mm, for treatment of edible oil.
A centrifugal separator (1) comprising a rotor arrangement (2) and a drive arrangement (5) is disclosed. The centrifugal separator (1) comprises a generator (14) for generating an electric current. The generator (14) is configured for continuously generating a current during a full revolution of the rotor arrangement (2). The current is utilised for supplying electric current to a user of electric energy (12) arranged in the rotor arrangement (2).
The present invention provides a separation disc (1) for a centrifugal separator, said disc being adapted to be comprised in a stack of separation discs inside a centrifugal rotor for separating a fluid mixture. The separation disc (1) has a truncated conical shape with an inner surface (2) and an outer surface (3) and a plurality of spacing members (4) extending from at least one of the inner surface and the outer surface. The spot-formed spacing members (4) are for providing interspaces between mutually adjacent separation discs in a stack of separation discs. The separation disc (1) further comprises at least one elongated rib (36) extending from the inner surface to a height (h) that is less than the height (H) to which said plurality of spacing members extend. Further, at least one elongated rib (36) extends from first position on the inner surface (2) to a second position on the inner surface, wherein the second position is at a radial distance that is larger than the radial distance of the first position, and the relation between the height of the elongated ribs (h) and the spacing members (H) are h/H > 0.7.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 7/14 - Inserts, e.g. armouring plates for separating walls of conical shape
51.
HEAT TRANSFER PLATE AND HEAT EXCHANGER COMPRISING A PLURALITY OF SUCH HEAT TRANSFER PLATES
A heat transfer plate (8) and a heat exchanger (2) comprising a plurality of such heat transfer plates are provided. The heat transfer plate includes a heat transfer area (22) provided with a corrugation pattern comprising alternately arranged ridges (36) and valleys (38) in relation to a central extension plane (C) of the heat transfer plate. The ridges form arrows comprising first arrows (58), which first arrows each comprises two legs arranged on opposite sides of, and a head (59) arranged on, a respective one of a first number of imaginary straight lines (60) extending across the complete heat transfer area parallel to a longitudinal centre axis (l) of the heat transfer plate. Each of the imaginary straight lines (60) comprises at least one primary portion (66) along which at least three of the first arrowheads (59) are arranged, uniformly spaced. The heat transfer plate (8) is characterized in that at least a majority of the imaginary straight lines (60) comprise at least one secondary portion (68) each along which an extension of the ridges (36) and valleys (38) on one side of the imaginary straight line (60) is parallel with the extension of the ridges and valleys on another opposite side of the imaginary straight line.
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
The disclosure relates to a plate package (10) for a heat exchanger device(1) including a plurality of heat exchanger plates (11a, 11b) with mating abutment portions (30) forming a fluid distribution element (31) in every second plate interspace (13) thereby forming in the respective second plate interspaces two arc-shaped flow paths (40) wherein respective one of the two flow paths (40) is divided into at least three flow path sectors(40a-d) arranged one after the other along respective flow path (40). The disclosure also relates to a plate and also to a heat exchanger.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
53.
HEAT EXCHANGER PLATE, A PLATE PACKAGE USING SUCH HEAT EXCHANGER PLATE AND A HEAT EXCHANGER USING SUCH HEAT EXCHANGER PLATE
A heat exchanger plate for use in a plate package for a heat exchanger device is disclosed. The plate (100) has a geometrical main extension plane (q) and a circumferential edge portion (101), the circumferential edge portion (101) having a curved upper portion (103), a substantially straight lower portion (104) and two opposing side portions (105) interconnecting the upper and the lower portions (103, 104). An upper porthole (108) is arranged in an upper section of the heat exchanger plate (100) and located at a distance from the upper portion (103) of the circumferential edge portion (101) thereby defining an upper intermediate portion (120). The upper intermediate portion (120) includes the shortest distance (d2) between a centre of the upper porthole (108) and the upper portion (103) of the circumferential edge portion (101). The heat exchanger plate (100) further comprises an upper flange (122) having an extension along the upper portion (103) of the circumferential edge portion (101). The upper flange (122) has a length (L2) as seen in a direction transverse the shortest distance (d2), being 200-80% of the diameter (D2) of the upper porthole (108) and more preferred 180-120% of the diameter (D2) of the upper porthole (108). Further, a plate package is disclosed and also a heat exchanger device using such heat exchanger plate/plate package.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
54.
PLATE PACKAGE USING A HEAT EXCHANGER PLATE WITH INTEGRATED DRAINING CHANNEL AND A HEAT EXCHANGER INCLUDING SUCH PLATE PACKAGE
The invention relates to a plate package for a heat exchanger device, wherein the plate package (200) includes a plurality of heat exchanger plates (100) of a first type (A) and a plurality of heat exchanger plates (100) of a second type (B). At least the heat exchanger plates (100) of the first type (A) comprise, along at least a section of the opposing side portions (105), a draining channel flange (109). The draining channel flanges (109) are oriented in one and the same direction such that a draining channel flange (109) of a first heat exchanger plate (100) of the first type (A) abuts or overlaps a draining channel flange (109) of a subsequent heat exchanger plate (100). The draining channel flanges (109) form outer walls to the outer draining portions (DP) thereby transforming the outer draining portions (DP) into draining channels (111). The invention also relates to the use of such plate package in a heat exchanger device and also a heat exchanger device as such.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
The disclosure relates to a plate package for a heat exchanger device including a plurality of heat exchanger plates with mating abutment portions forming a fluid distribution element in every second plate interspace thereby forming in the respective second plate interspaces two arc-shaped flow paths wherein respective one of the two flow paths is divided into at least three flow path sectors arranged one after the other along respective flow path. The disclosure also relates to a plate and also to a heat exchanger.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
56.
WELDED INTERNAL SLEEVE FOR PROTECTING THE TUBE-SHEET OF A SYNGAS LOOP BOILER
Abstract A syngas loop boiler comprises tubes in a casing. One end of each tube is joined to a tube-sheet that has tube-sheet inlet holes. Each tube-sheet inlet hole is internally provided with a protective sleeve welded at both ends to corresponding surfaces of the tube-sheet inlet hole. Each tube-sheet inlet hole has a first weld overlay placed at the inlet mouth of the tube-sheet inlet hole, so that a first end of each protective sleeve is welded to the first weld overlay. Each tube-sheet inlet hole is internally provided with a bore groove that contains an in-bore second weld overlay, so that the second end of the protective sleeve is welded to the in-bore second weld overlay. Each protective sleeve is thus welded at both ends to respective weld overlays, with the possibility of removal and re-installation without performing any post weld heat treatment. Date Recue/Date Received 2020-10-15
F28D 7/06 - Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
F28F 9/18 - Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
F28F 19/06 - Preventing the formation of deposits or corrosion, e.g. by using filters by using coatings, e.g. vitreous or enamel coatings of metal
F28F 21/08 - Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
F28D 21/00 - Heat-exchange apparatus not covered by any of the groups
Abstract: A plate, for a heat exchanger between a first medium and a second medium, comprises first and second heat transfer surfaces (HTSs) parallel to the plate and in contact, respectively, with the first medium and the second medium. Each of the first and second HTSs comprises a medium inlet region (MIR), a medium transfer region (MTR) and a medium outlet region (MOR) with a medium outlet port (MOP). The MIR of the second HTS overlaps the MOR of the first HTS. The MIR of the second HTS has a medium inlet port (MIP) that does not overlap the MOP of the first HTS. The MOR of the first HTS has protruding ridges extending along a length of the plate. The ridges form a barrier system with a channel, along which the first medium travels first towards, then around and thereafter away from the MIP of the second HTS. Date Recue/Date Received 2021-01-05
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/00 - Plate-like or laminated elements; Assemblies of plate-like or laminated elements
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
A plate heat exchanger comprising heat exchanger plates (A, A', A", B, B', B") forming first, second and third plate interspaces (1, 2, 3). The plates extend between a top plane (6) and a bottom plane (7). First inlet and outlet ports (11, 12) communicate with the first plate interspaces. Second inlet and outlet ports (21, 22) communicate with the second plate interspaces. Third inlet and outlet ports (31, 32) communicate with the third plate interspaces. A porthole of the second and third ports is surrounded by an outer flat area (15) surrounded by an inner flat area (17). The outer flat area is located at one of the top and bottom planes. The inner flat areas of the second ports of the plates, enclosing the second plate interspaces, are located at a distance from each other. The inner flat areas of the second ports of the plates, enclosing the third plate interspaces, adjoin each other.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
The disclosure relates to a header (30) connected to or formed as a part of a heat exchanger (1). The heat exchanger (1) has a heat exchanger body (10) with a plurality of discrete channels (Bij) for a first fluid and a plurality of discrete channels (Cij) for a second fluid. The header (30) has a first end (31) having a round configuration and a second end (32) being provided with a plurality of discrete channels (Bij).The header (30) is provided with a plurality of dividers (33) dividing one or more internal channels of the circular pipe into the plurality of discrete channels (Bij) at the second end (32). At least some of the dividers (33) extend from the second end (32) to the first end (31) and define a plurality of channel mouths (Aij) at the first end (31). The disclosure also relates to a heat exchanger.
Plate (100) for a heat exchanger between a first medium and a second medium, the plate (100) being associated with a main plane of extension and a main longitudinal direction (L) and comprising a first heat transfer surface (101), extending substantially in parallel to said main plane and arranged to be in contact with the first medium, generally flowing along the first surface (101) in a first flow direction (F1); and a second heat transfer surface (102), extending substantially in parallel to said main plane and arranged to be in contact with the second medium, generally flowing along the second surface (102) in a second flow direction (F2). The invention is characterised in that the first surface (101) comprises protruding ridges (121) defining at least two parallel and open-ended channels (122) extending in the first flow direction (F1), and in that the second surface (102) comprises a plurality of protruding dimples (123) arranged in said channels (122) between neighbouring respective pairs of said ridges (121).
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 13/04 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by preventing the formation of continuous films of condensate on heat-exchange surfaces, e.g. by promoting droplet formation
Abstract Heat exchanger (HX) to exchange heat between a first medium and a second medium. The HX comprises a stack of plates that each have a main plane of extension and a main longi- tudinal direction. Each plate has a first HX surface that extends parallel to the main plane and arranged to be in contact with the first medium, flowing along the first surface in a first flow direction; and a second HX surface that extends parallel to the main plane and arranged to be in contact with the second medium, flowing along the second surface in a second flow direction. The first HX surface comprises protruding ridges defining at least two parallel and io open-ended channels extending in the first flow direction. The second HX surface comprises a plurality of protruding dimples arranged in said channels between neighbouring respec- tive pairs of said ridges. Adjacent plates in the stack are brazed together. Date Recue/Date Received 2021-02-18
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 9/18 - Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
Plate heat exchanger (1,1') for solar heating comprising a plurality of channels (4) extending between an inlet (5) and an outlet (6) for conducting a heat transferring fluid. The plurality of channels (4) are defined between a first plate (2) and a second plate (3), the first and second plates (2, 3) being formed by stainless steel. Each of the plurality of channels (4) has a single-curved extension between the inlet (5) and the outlet (6) as seen in a plane A corresponding to the major surface extension of the first and second plates (2, 3). Each of the plurality of channels (4) has along at least a portion of its longitudinal extension a triangular or a chamfered triangular cross-section or a parallelogram or a chamfered parallelogram cross-section. The side walls (10) of two adjacent channels (4) define an angle a corresponding to, or smaller than, 100 degrees and more preferred smaller than 90 degrees.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 3/12 - Elements constructed in the shape of a hollow panel, e.g. with channels
63.
AN OIL DEHYDRATOR, A SYSTEM FOR DEHYDRATING OIL COMPRISING AN OIL DEHYDRATOR AND A METHOD FOR DEHYDRATING OIL WITH AN OIL DEHYDRATOR
An oil dehydrator (1), comprising; a vacuum chamber (2), a vacuum pump (3) arranged at an upper end region (8) of the vacuum chamber (2) for establishing a negative pressure within the vacuum chamber (2) and for fluid transportation of water and air out from the vacuum chamber (2) through an outlet opening (10), and a pipe (4) for fluid transportation of oil into and/or out from the vacuum chamber (2), where the pipe (4) is connected to a lower end region (9) of the vacuum chamber, wherein the vacuum chamber (2) at the lower end region (9) has at least one flow channel (5) fluidly connecting the vacuum chamber (2) and the pipe (4), wherein an orifice check valve (7) is arranged between the vacuum chamber (2) and the pipe (4) for controlling the flow of oil into and out from the vacuum chamber (2) through the at least one flow channel (5).
A centrifugal separator (1) having a stationary casing (2) and a centrifuge rotor (3), which is provided in the stationary casing (2) and arranged to rotate around an axis (x) of rotation at a rotary speed and which comprises a plurality of nozzles (7) for discharge of a product from the centrifuge rotor (3). The centrifugal separator comprises a sensor device which comprises a transfer element (21), which has a first part (21') and a second part (21") and which is configured to be mounted in such a way that the first part (21') is located inside the stationary casing (2) and outside the centrifuge rotor (3) and that the second part (21") is located outside the stationary casing (2). At least the first part (21') of the transfer element (21) has an elongated shape, a receiving head (23), which is comprised by the first part (21') of the transfer element (21). The sensor device further comprises a sensor element (30), which is mounted to the second part (21") of transfer element (21) and which is configured to sense vibrations and/or shock pulses propagating from the receiving head (23) to the sensor element (30), and an evaluation unit (31), which communicates with the sensor element (30) for transmitting signals from the sensor element (30) to the evaluation unit (31). The transfer element (21) is mounted in the stationary casing (2), directed such that the end face of the receiving head (23) faces the passing jets from the nozzles (7) during rotation of the rotor. The invention also refers to a centrifugal separator (1) with such a sensor device.
B04B 1/10 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
B04B 11/04 - Periodical feeding or discharging; Control arrangements therefor
B04B 13/00 - Control arrangements specially designed for centrifuges; Programme control of centrifuges
65.
A HEAT EXCHANGER PLATE, A PLATE HEAT EXCHANGER, AND A METHOD OF MAKING A PLATE HEAT EXCHANGER
A heat exchanger plate (1), a plate heat exchanger for evaporation of a first fluid,and a method of making a plate heat exchanger are disclosed. The heat exchanger plate comprises a heat exchanger area extending in parallel with an extension plane (p) of the heat exchanger plate,an edge area extending around the heat exchanger area,a number of portholes (11-14) extending through the heat exchanger area, and a peripheral rim (15) surrounding a first porthole of said number of portholes and extending transversely to the extension plane from a root end (16) to a top end (17) with a rim height(H) perpendicular to the extension plane. The heat exchanger plate comprises at least one restriction hole (20) extending through the peripheral rim and having a hole height (h) perpendicular to the extension plane.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
B21D 53/04 - Making other particular articles heat exchangers, e.g. radiators, condensers of sheet metal
The disclosure relates to a heat exchanger comprising a central body (10) with a first set of channels (Aij) and a second set of channels (Bij) extending along a main direction (L) through the central body (10), wherein, in the central body (10), in any cross-section across the main direction (L), the channels (Aij, Bij) of the first and second sets form a checkered pattern in said cross-sections, wherein the heat exchanger (1) further comprises two inner transition portions (20), wherein, in respective inner transition portion (20), among the rows (X1X, X2X, X3X, X4X, X5X, X6X, X7X, X8X) extending along a first direction (T1), are every second, counted along a second direction (T2), row (X2X, X4X, X6X, X8X) provided with channels (X2X, X4X, X6x, X8X) being along the main direction (L) increasingly shifted in position in a first direction (T^ relative to the other channels (X1X, X3X, X5X, X7X) such that the checkered pattern of channels is transformed into a line pattern.
A heat transfer plate (8) and a heat exchanger (2) comprising a plurality of such heat transfer plates are provided. The heat transfer plate comprises a heat transfer pattern of alternately arranged ridges (36) and valleys (38) in relation to a central extension plane (C) of the heat transfer plate. First and second adjacent ones of the ridges (36a, 36b) extend obliquely in relation to a longitudinal centre axis (I) of the heat transfer plate and comprise a first top portion (40a) and a second top portion (40b), respectively, and first and second adjacent ones of the valleys (38a, 38b) extend obliquely in relation to the longitudinal centre axis (I) of the heat transfer plate and comprise a first bottom portion (42a) and a second bottom portion (42b), respectively. The first bot- tom portion of the first valley is connected to the first top portion of the first ridge by a first flank (44a) and to the second top portion of the second ridge by a second flank (44b), and the second top portion of the second ridge is connected to the second bottom portion of the second valley by a third flank (44c). One of the first, second and third flanks comprise a flank shoulder (46a, 46b, 46c) extending in a flank shoulder plane (S1, S2, S3) which is displaced from the central extension plan. With reference to a cross section through, and perpendicular to a longitudinal extension of, the first and second ridges and the first and second valleys, a first area (A1) enclosed by the heat transfer plate and a first shortest imaginary straight line (L1) extending from the first to the second top portion of the first ridge and the second ridge, respectively, is different from a second area (A2) enclosed by the heat transfer plate and a second shortest imaginary straight line (L2) extending from the first to the second bottom portion of the first valley and the second valley, respectively.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
68.
A HEAT EXCHANGER PLATE FOR A PLATE HEAT EXCHANGER, AND A PLATE HEAT EXCHANGER
A plate heat exchanger, and a heat exchanger plate (1) for the plate heat exchanger for heat exchange between a first fluid and a second fluid are disclosed. The heat exchanger plate comprises a heat exchanger area (10) comprising a first end zone (A), a central main zone (B) adjoining the first end zone, a second end zone (C) adjoining the central main zone, and a corrugation of ridges (14) and valleys (15) on the heat exchanger area. A longitudinal center axis (x) extends along and through the three zones. The ridges and valleys extend along a respective continuous line (16), which is at least partly curved and forms an angle (a) of inclination with the longitudinal center axis. The angle of inclination at the longitudinal center axis is less steep for the continuous lines at the first end zone than at the central main zone.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
F28F 13/14 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by endowing the walls of conduits with zones of different degrees of conduction of heat
69.
A CENTRIFUGE ROTOR FOR A CENTRIFUGAL SEPARATOR, A CENTRIFUGAL SEPARATOR, A METHOD OF SEPARATION, AND A CONICAL DISK
A centrifuge rotor (15) for a centrifugal separator for separation of a relatively heavy phase of a fluid from a relatively light phase of the fluid is disclosed. The centrifuge rotor comprises a stack of conical disks(20', 20"), and has a central axis (x) of rotation. Each conical disk has an outward surface (26) and an inward surface (27). The stack of conical disks comprises a plurality of interspace (30', 30") between adjacent conical disks. The interspaces comprises first interspaces (30') for separation of the relatively heavy phase from the relatively light phase, and second interspaces (30"). A check valve device(40)is provided in each second interspace for closing the second interspace in an inward direction (ID) towards the central axis, and permitting opening of the second interspace in an outward direction(OD).Also a centrifugal separator, a method for separation and a conical disk are disclosed.
Methods of supervising and controlling an E-line position in a centrifugal separator are disclosed herein. Further a centrifugal separator is disclosed herein. The E-line position is continuously calculating based on inter alia, monitored density of light and heavy liquid phases, monitored pressure at outlet side of light and/or heavy liquid outlet passages(14). First and/or second valves (30) are controlled to control the E-line position, based on the supervised E-line position
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 1/10 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl
B04B 11/02 - Continuous feeding or discharging; Control arrangements therefor
B04B 13/00 - Control arrangements specially designed for centrifuges; Programme control of centrifuges
The present invention provides a centrifugal separator for cleaning a gas containing liquid impurities. The centrifugal separator comprises a stationary casing comprising a surrounding sidewall, a first end wall and a second end wall which enclose a space through which a gas flow is permitted. The space comprises an upper separation chamber and a lower discharge chamber. The separator further comprises an inlet extending through the stationary casing and permitting supply of the gas to be cleaned to the separation chamber, a rotating member comprising a stack of separation discs and being arranged to rotate around an axis (X) of rotation, wherein the stack of separation discs is arranged in the separation chamber and a drive member for rotating the rotating member. Further, the discharge chamber is arranged axially below the stack of separation discs such that clean gas and separated liquid impurities both enter said discharge chamber after being separated in said stack of separation discs, and further, the separator comprises a gas outlet configured to permit discharge of cleaned gas from said stationary casing, wherein the gas outlet comprises an outlet opening through the stationary casing and a portion extending from the outlet opening into the discharge chamber. Further, there is a drainage outlet arranged in said discharge chamber and configured to permit discharge of separated liquid impurities from said stationary casing.
A system and a method for treatment of engine exhaust gas (EEG) from an engine (3), which engine exhaust gas (EEG) has a temperature of between T1 and T2, are provided. Provided are also a ship comprising such a system and a use of such a system. The system (1) comprises a SCR reactor (9) for converting NOx contained in a medium (M) containing the engine exhaust gas (EEG) into N2 and H2O. The SCR reactor (9) has an inlet (33) for receiving the medium (M) and an outlet (35) for outputting the NOx reduced medium (M-NOx). The system (1) is characterized in that it further comprises a mixing unit (7) and a first boiler unit (5). The first boiler unit (5) has a first outlet (19) for outputting boiler exhaust gas (BEG) from the first boiler unit (5), which boiler exhaust gas (BEG) has a temperature of more than T3, T3>T1. The mixing unit (7) is arranged to mix the engine exhaust gas (EEG) with the boiler exhaust gas (BEG) to produce said medium (M). The mixing unit (7) has a first inlet (27) communicating with the engine (3) for receiving the engine exhaust gas (EEG), a second inlet (29) communicating with the first outlet (19) of the first boiler unit (5) for receiving the boiler exhaust gas (BEG) and an outlet (31 ) for outputting said medium (M). The outlet (31) of the mixing unit (7) communicates with the inlet (33) of the SCR reactor (9).
F01N 3/20 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
F01N 3/02 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
A centrifugal separator and a method (1) for separation of particles from a gas stream is disclosed. The separator comprises a frame (2), a gas inlet (3) and a gas outlet (4). A centrifugal rotor (5) is arranged to be rotatable in the frame around a rotational axis (x) and comprising a separating member (6). A central gas chamber (8) in the rotor communicates with a radially inner portion of the separating member and the gas outlet. A space (9) surrounding the rotor communicates with a radially outer portion of the separating member and the gas inlet. Drive means provides rotation of the centrifugal rotor (5) for separating particles from the gas stream being conducted from the space surrounding the rotor, through the separation member and towards the central gas chamber. A ring-formed sealing arranged between and in sealingly contact with the first frame portion (15a) and the centrifugal rotor. This improves the separation performance of a centrifugal separator for separation of particles from a gas stream, by reducing pressure losses and leakage from the central gas chamber.
A heat transfer plate (32) and a plate heat exchanger (26) comprising such a heat transfer plate is provided. The heat transfer plate (32) has a first long side (46) and second long side (48) and comprises a distribution area (64), a transition area (66) and a heat transfer area (54). The transition area (66) adjoins the distribution area (64) along a first borderline (68) and the heat transfer area (54) along a second borderline (70), and it is provided with a transition pattern comprising transition projections (98) and transition depressions (100). Further, the transition area (66) comprises a first sub area (66a), a second sub area (66b) and a third sub area (66c) arranged in succession between the first and second border lines. An imaginary straight line (102) extends between two end points (104, 106) of each transition projection (98) with a smallest angle .alpha..eta. .eta. = 1, 2, 3... in relation to a longitudinal center axis (y) of the heat transfer plate. The smallest angle .alpha. .eta. for at least a main part of the transition projections (98) within the first sub area (66a) is essentially equal to a first angle .alpha.1. The smallest angle .alpha. .eta. is varying between the transition projections (98) within the second sub area (66b) such that the smallest angle .alpha. .eta. for at least a main part of the transition projections (98) within the second sub area (66b) is larger than said first angle .alpha.1 and increasing in a direction from the first long side (46) to the second long side (48). The heat transfer plate is characterized in that at least a main part of the second borderline (70) is straight and essentially perpendicular to the longitudinal center axis (y) of the heat transfer plate (32). Further, the smallest angle .alpha. .eta. for a first set of the transition projections (98) within the third sub area (66c) is essentially equal to said first angle .alpha.1.
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
75.
CATALYSTS FOR SELECTIVE OXIDATION OF AMMONIA IN A GAS CONTAINING HYDROGEN
The invention contributes to a cost effective way to solve the problem of trace ammonia removal from a hydrogen and nitrogen containing gas. The set of catalysts of the invention selectively oxidised ammonia in ppm concentration even in gas mixtures containing hydrogen gas in concentrations of three orders of magnitude higher than the concentration of ammonia.
A centrifugal separator (1) for separation of liquid particles from a gas stream, comprising a stationary frame (2), a gas inlet (3) and a gas outlet (4). The frame comprises a tubular element (24) defining a rotor space inside itself and a liquid transportation space (39) outside the tubular element. A centrifugal rotor (5) is arranged in the rotor space and rotatably supported in the frame around a rotational axis (x) and comprising a separation means (6). A stationary device (10) is configured to bring the gas stream in rotation, thereby bringing the rotor (5) into rotation. At least one opening (40, 41) is provided in the tubular element, between the rotor space and the liquid transportation space, for conducting liquid separated from the gas stream from the rotor space to the liquid transportation space.
Lubrication control system (1) for intermittent dosing of lubricant to one or more lubrication stations in a centrifugal separator comprising a lubricant supply arrangement (2) for supplying lubricant to at least one lubrication station. At least one pump (3) is supplying intermittent pulsed volumes of lubricant from the lubricant supply arrangement (2) to at least one lubricant pulse monitoring device (6) comprising an elastic chamber (9) to receive said pulsed volumes of lubricant from the pump (3), an outlet export valve (11) at an outlet (10) from the elastic chamber (9) closing when a pulsed volume is delivered to the elastic chamber (9) and opening to deliver the lubricant to the lubrication station, and a pressure transmitter (14) measuring the pressure in said elastic chamber (9) at least when a pulsed volume is received in the elastic chamber (9). A control computer (5) regulating the pump (3) controlling the pulses, closing the outlet export valve (11) when a pulsed volume is delivered to the elastic chamber (9), controlling the measured pressure in the elastic chamber (9) and opening the outlet export valve for deliverance of lubricant to the lubrication station. Also a corresponding method comprises pumping intermittent pulsed volumes of lubricant to an elastic chamber (9), measuring the pressure in the elastic chamber (9) when the elastic chamber (9) has received a pulsed volume, controlling if the pressure corresponds to a required volume of lubricant, opening an outlet export valve (11) at an outlet (10) of said elastic chamber (9) and emptying the elastic chamber (9) and closing said outlet export valve (11) to receive next pulsed volume of lubricant to the elastic chamber (9).
F16N 13/16 - Actuation of lubricating-pumps with fluid drive
F16N 29/04 - Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling moving parts to be stopped
78.
FILTRATION MODULE COMPRISING STACK OF SPACERS AND METHOD OF PRODUCING SAME
The invention relates to membrane filtration and provides a filtration module that can be manufactured simply. The module has a stack of spacers. One spacer comprises a first and a second outer plate and an internal permeate channel that extends between two opposite sides of the spacer. The first and/or second outer plates are porous or perforated and a filtration membrane is attached to the outer plates of the spacer. Separate elongated distance pieces are attached to the outer plates along the edge to the sides between which the internal permeate channel extends, thereby forming a channel for fluid to be treated between spacers. The channel for fluid to be treated extend in a direction other than the direction of the permeate channels. The invention further provides a method for producing a filtration module.
SYNCRUDE CANADA LTD. IN TRUST FOR THE OWNERS OF THE SYNCRUDE PROJECT, AS SUCH OWNERS EXIST NOW AND IN THE FUTURE (Canada)
ALFA LAVAL CORPORATE AB (Sweden)
Inventor
Reid, Kevin
Bulbuc, Daniel
Tornblom, Olle
Zheng, Jie
Abstract
A nozzle for use in the bowl of a disc centrifuge is provided, comprising an inner sleeve forming a longitudinally extending passageway, the inner sleeve having an elevated region at its top, the elevated region having an extended front end; and an outer sleeve for supporting the inner sleeve along most of its length, the outer sleeve having a collar with an outermost edge at its top; whereby when the inner sleeve is inserted into the outer sleeve, the elevated region of the inner sleeve extends past the collar of the outer sleeve and the extended front end of the elevated region extends towards the outermost edge of the outer sleeve collar.
A method for joining a first metal part (11) with a second metal part (12), the metal parts (11, 12) having a solidus temperature above 1000 °C. The method comprises: applying a melting depressant composition (14) on a surface (15) of the first metal part (11), the melting depressant composition (14) comprising a melting depressant component that comprises phosphorus and silicon for decreasing a melting temperature of the first metal part (11), bringing the second metal part (12) into contact with the melting depressant composition (14) at a contact point (16) on said surface (15), heating the first and second metal parts (11, 12) to a temperature above 1000 °C, and allowing a melted metal layer (210) of the first metal component (11) to solidify, such that a joint (25) is obtained at the contact point (16). The melting depressant composition and related products are also described.
B23K 1/19 - Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
B23K 1/20 - Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
B23K 20/02 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press
B23K 20/16 - Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating with interposition of special material to facilitate connection of the parts, e.g. material for absorbing or producing gas
B23K 35/00 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
B23K 35/365 - Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/02 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
An attachment means (40), a gasket arrangement (6) and an assembly (2) are provided. The attachment means is arranged to engage with an edge portion (26, 28) of a heat exchanger plate (4) for fastening a gasket (38) to a first side (8) of the heat exchanger plate. It comprises a first connection member (42), a second connection member (44) and a bridge (46). A first part (48) of the first connection member is arranged to engage with the gasket while a second part (52) of the first connection member engages with the bridge. A first part (50) of the second connection member is arranged to engage with the gasket while and a second part (54) of the second connection member engages with the bridge. The attachment means is characterized in that it further comprises a plurality of fingers (60, 62, 64) arranged between the first and second connection members. A respective connection part (66, 68, 70) of each finger engages which the bridge and the fingers are arranged to extend from the bridge towards the gasket. At least one of the fingers is arranged to engage with the first side (8) of the heat exchanger plate and at least another one of the fingers is arranged to engage with a second opposite side of the heat exchanger plate.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A gasket (1 1 ) and an assembly comprising a heat exchanger plate (8) and such a gasket is provided. The gasket comprises an annular gasket portion (52) arranged to enclose a port hole (24) of the heat exchanger plate. An inner edge (56) of the annular gasket portion defines an area (58) including a reference point (80) coinciding with a center point (C) of a biggest imaginary circle (82) that can be fitted within the area. The gasket is characterized in that the area has a form defined by a number of corner points of an imaginary plane geometric figure (72) of which at least one is displaced from an arc (92) of the circle, and the same number of thoroughly curved lines (74, 76, 78) connecting the corner points, wherein a first corner point (66) of the corner points is arranged on a first distance (d1 ) from the reference point, a second one (68) of the corner points is arranged closest to the first corner point in a clockwise direction and on a second distance (d2) from the reference point and a third one (70) of the corner points is arranged closest to the first corner point in a counter clockwise direction and on a third distance (d3) from the reference point.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
A heat transfer plate and a plate heat exchanger are provided. The heat transfer plate has a central extension plane and comprises a first end area, a heat transfer area and a second end area arranged along a longitudinal center axis. The longitudinal center axis divides the heat transfer plate into a first and a second half which are delimited by a first and second long side, respectively. The first end area comprises a distribution area having a distribution pattern of distribution projections and distribution depressions, and a transition area having a transition pattern of transition projections and transition depressions. An imaginary line extends between two end points of each transition projection with an angle in relation to the longitudinal center axis. The angle varies between the transition projections and increases from the first long side to the second long side.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
84.
HEAT EXCHANGER PLATE AND PLATE HEAT EXCHANGER COMPRISING SUCH A HEAT EXCHANGER PLATE
A heat exchanger plate and a plate heat exchanger are provided.. The heat exchanger plate has a port hole with a reference point that coincides with a center point of a biggest imaginary circle that can be fitted into the port hole. The porthole has a form defined by a number of corner points of an imaginary plane geometric figure of which at least one is displaced from an arc of the circle, and the same number of thoroughly curved lines connecting the corner points. A first corner point is arranged closest to a transition between the first short side and the first long side and on a first distance from the reference point. Second and third corner points are arranged closest to the first corner point at second and third distances in clockwise and counterclockwise directions, respectively.
F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
F28F 3/04 - Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
85.
HOT ETHANOL EXTRACTION OF LIPIDS FROM PLANT OR ANIMAL MATERIALS
The present invention relates to a process for the production of a fat rich and a fat lean product from a plant or animal starting material, comprising the steps of: i) providing a particulate fat containing starting material, ii) mixing the particulate fat containing starting material with ethanol of at least 90 %w/w concentration, iii) heating the mixture, iv) subjecting the heated mixture to a hydrocyclone treatment to provide a fat reduced underflow stream and an overflow stream, v) recovering the fat lean product from the fat reduced underflow stream, vi) recovering the fat rich product from the overflow stream. The fat rich and the fat lean products are suited for use in human food or for animal feed products.
The invention relates to a method for producing a permanently joined plate heat exchanger (1) comprising a plurality of metal heat exchanger plates (2) having a solidus temperature above 1100 ºC, provided beside each other and forming a plate package (3) with first plate interspaces (4) for a first medium and second plate interspaces (5) for a second medium, wherein the first and second plate interspaces (4,5) are provided in an alternating order in the plate package (3), wherein each heat exchanger plate (2) comprises a heat transfer area (10) and an edge area (11) comprising bent edges(15) which extend around the heat transfer area (10), wherein a first surface (16) of the plates (2) forms a convex shape and a second surface (17) of the plates forms a concave shape wherein the heat transfer area (10) comprises a corrugation of elevations (18) and depressions (19), wherein said corrugation of the plates and the bent edges (15) are provided by pressing the plates. The invention also relates to a plate heat exchanger (1) produced by the method.
A method for joining a first metal part (11) with a second metal part (12), the metal parts (11,12) having a solidus temperature above 1100 QC. The method comprises: applying a melting depressant composition (14) on a surface (15) of the first metal part (11), the melting depressant composition (14) comprising a melting depressant component that comprises at least 25 wt% boron and silicon for decreasing a melting temperature of the first metal part (11 ); bringing (202) the second metal part (12) into contact with the melting depressant composition (14) at a contact point (16) on said surface (15); heating the first and second metal parts (11,12) to a temperature above 1 100 QC; and allowing a melted metal layer (210) of the first metal component (11) to solidify, such that a joint (25) is obtained at the contact point (16). The melting depressant composition and related products are also described.
The present invention relates to a blend of at least one boron source and at least one silicon source, wherein the blend comprises boron and silicon in a weight ratio boron to silicon within a range from about 5:100 to about 2:1, wherein silicon and boron are present in the blend in at least 25 wt%, and wherein the at least one boron source and the at least one silicon source are oxygen free except for inevitable amounts of contaminating oxygen, and wherein the blend is a mechanical blend of powders, and wherein particles in the powders have an average particle size less than 250 µm. The present invention relates further to a composition comprising the blend a substrate applied with the blend, a method for providing a brazed product, and uses.
The present invention relates to an intermediate product for joining and coating by brazing comprising a base metal and a blend of boron and silicon, said base metal having a solidus temperature above 1040 °C, and the intermediate product has at least partly a surface layer of the blend on the base metal, wherein the boron in the blend is selected from a boron source, and the silicon in the blend is selected from a silicon source, and wherein the blend comprises boron and silicon in a ratio of boron to silicon within a range from about 3:100 wt/wt to about 100:3 wt/wt. The present invention relates also to a stacked intermediate product, to an assembled intermediate product, to a method of brazing, to a brazed product, to a use of an intermediate product, to a pre-brazed product, to a blend and to paint.
The invention relates to a centrifugal separator having a separation space with a set of separation plates, an inlet configured to feed a fluid product to be separated into the separation space, the inlet and the separation space being connected in a pressure mediating manner, a first and a second outlet extending from the separation space for discharge of a two phases of the product. A discharge control system is configured to trigger the opening of the second outlet upon a trigger condition, wherein the discharge control system comprises a sensor arranged to determine the inlet pressure and/or the inlet flow of fluid product, and the trigger condition is associated with a decrease in inlet flow in relation to inlet pressure, indicating an increasing flow resistance downstream of the inlet. The invention further relates to a discharge control system and a method of controlling the intermittent discharge of a centrifugal separator.
B04B 1/14 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with discharging outlets in the plane of the maximum diameter of the bowl with periodical discharge
B04B 11/04 - Periodical feeding or discharging; Control arrangements therefor
The present invention relates to composition comprising a blend of at least one boron source and at least one silicon source, and the composition further comprises particles selected from particles having wear resistance properties, particles having surface enhancing properties, particles having catalytic properties or combinations thereof, wherein the blend comprises boron and silicon in a weight ratio boron to silicon within a range from about 3:100 wt:wt to about 100:3 wt:wt, wherein silicon and boron are present in the blend in at least 25 wt%, and wherein the at least one boron source and the at least one silicon source are oxygen free except for inevitable amounts of contaminating oxygen, and wherein the blend is a mechanical blend of particles in and the particles have an average particle size less than 250 µm. The present invention relates further to a method for providing a coated product and a coated product obtained by the method.
The present invention relates to a method for providing a braze alloy layered product comprising the following steps: - applying at least one silicon source and at least one boron source on at least a part of a surface of a substrate, wherein the at least one boron source and the at least one silicon source are oxygen free except for inevitable amounts of contaminating oxygen, and wherein the substrate comprises a parent material having a solidus temperature above 1100 °C; - heating the substrate having the applied boron source and the applied silicon source to a temperature lower than the solidus temperature of the parent material of the substrate; and cooling the substrate having the applied boron source and the applied silicon source, and obtaining the braze alloy layered product. The present invention relates further to a braze alloy layered product, a method for providing a brazed product, a method for providing a coated product, and uses of the braze alloy layered product.
The invention relates to a plate heat exchanger comprising a plurality of plates, each extending in parallel with a main extension plane (p), and at least one adapter plate (3). The heat exchanger plates (2) form a plate package with first plate interspaces (6) for a first medium and second plate interspaces (7) for a second medium, wherein each of the heat exchanger plates has four port holes (8) which form ports extending through the plate package and wherein the adapter plate (3) is provided outside one of the outermost heat exchanger plates (2',2"). A distance plate (13) is arranged between said adapter plate (3) and a respective one of the outermost heat exchanger plates (2',2"), said distance plate (13) comprising at least two port holes (14 which are concentric with each of the respective port holes (8) of the outermost heat exchanger plates (2',2") and the adapter plate (3) and where the port holes (14) of the distance plate (13) are larger than the port holes (8) of the outermost heat exchanger plates and the port holes (8) of the adapter plate (3), respectively.
F28D 9/00 - Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
The invention relates to a centrifugal separator comprising a rotor arranged to be rotatable around an axis of rotation (x). An inlet chamber is formed in the rotor and an inlet pipe extends into the rotor and has an opening in the inlet chamber for supply of a liquid mixture of components. An inlet arrangement is provided in the inlet chamber, comprising a set of annular discs coaxial with the rotor and forming passages for liquid between the discs, or a helically shaped element coaxial with the rotor and forming passages for liquid between the windings of the helically shaped element. The separator further comprises vanes arranged upstream of the inlet arrangement such as to cause a pre-rotation and pre-acceleration of the liquid mixture. The vanes may be provided on a removable element of the rotor.
B04B 1/08 - Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles with inserted separating walls of conical shape
B04B 11/06 - Arrangement of distributors or collectors in centrifuges
95.
CENTRIFUGAL SEPARATOR WITH ANTI-FOULING PROPERTIES
A centrifugal separator for continuous separation of a fluid mixture into components. The separator comprises a rotor (3), which forms within itself a separation chamber (4), comprising in said separation chamber (4) a set of separation discs (6) defining separation passages (7) between adjacent separation discs. The separator further comprises an inlet (8) operatively connected to said rotor (3) for continuous supply of a fluid mixture to be separated in the separation chamber (4), a first outlet (9) for a separated lighter first component of the fluid mixture extending from a radially inner portion of the separation space, and a second outlet (11) for a separated denser second component of the fluid mixture extending from the radially outer portion of the separation space. The separation discs are provided with a coating comprising silicon oxide, SiOx, prepared through sol-gel processing.
The present invention relates to a method for treating vegetable oils and/or animal fats comprising a vacuum steam stripping operation, condensing the neutral oils from vapour phase at an elevated temperature, retaining and sending back to the stripping column, allowing steam, volatile fatty acids, micronutrients together with other volatiles to pass to a cold condensation zone, and condensing the volatile fatty acids, micronutrients together with other volatiles in the cold condensation zone, producing a condensate and a stream of steam, non-condensable gases along with traces of fatty acids and other lighter hydrocarbons vapours. The invention may include a distillation step, either between the high and low temperature condensation zones or following the cold condensation zone.
A centrifugal separator comprises a frame (1) and a rotating part (2) comprising a spindle (6) and a centrifuge rotor (7) enclosing a separation space (8). An inlet channel (20) provides fluid communication into the separation space and comprising a rotary channel part (21), a frame channel part (22), and sealing means (23) at the interface between the rotary and frame channel parts. An outlet channel (30) provides fluid communication out from the separation space and comprises a rotary channel part (31), a frame channel part (32), and sealing means (33) at the interface between the rotary and frame channel parts. The inlet and outlet channels are arranged concentrically with each other. Forcing means are provided to generate a leak flow through one of the sealing means in a first direction from the outlet channel to the inlet channel and to counteract leakage in the opposite direction.
The invention relates to a separation disc (1) for a centrifugal separator and a method for manufacturing the separation disc. The separation disc is of metal material and adapted to be compressed in a stack of separation discs inside a centrifugal rotor for separating a liquid mixture, the separation disc (1) having a truncated conical shape with an inner surface (2) and an outer surface (3) and a plurality of spacing members (4, 5) extending a certain height above at least one of the inner surface (2) and the outer surface (3) for providing interspaces between mutually adjacent separation discs in the stack, characterized in that the spacing members (4, 5) are of such small size that each one of them has a width which is less than 2 mm along the surface (2, 3) of the separation disc (1), the surface (3, 4) of the separation disc (1) being configured with a distribution pattern of the small-sized spacing members (4, 5), in such a way as to provide equidistant interspaces in the compressed disc stack.
A centrifugal separator with an inlet chamber (42) inside a conveyor body comprising a proximal cross wall (36) and a distal cross wall (38). Longitudinal walls (40) extend between the proximal cross wall (36) and the distal cross wall (38). The proximal cross wall (36) comprises a cen- tral opening (41) and feed ports (44) are present between adjacent lon¬ gitudinal walls (40). The cross walls (36, 38) and longitudinal walls (49) have internal surfaces (36a,38a, 40a). A feed path extends from the central opening (41), through the inlet chamber (42) and out through the feed ports (44). Wear resistance members (46, 54, 68) insertable through the feed ports (44) fully screen the internal surfaces (38a, 40a) of the distal cross wall (38) and the longitudinal walls (40) from the feed path and comprise longitudinal wall members (46) with at least one flange portion (52).
A centrifugal separator for liquids with two phases of different density comprises a bowl with a base (103) defining a first rear area (111) in a casing. At least two outlet passages (145, 169) extend through the base (103). A first outlet passages communicates with a first outlet opening discharging liquid in the first rear area (111), and the second outlet passages (145) communicates with a second outlet opening (158) discharging liquid in a second rear area (113) rear of said first rear area (111). A flange (107) attached to the bowl and a partition (35a) of the casing with an annular sealing (175, 179) in between separates the first and the second rear area.
patents
