The invention is directed to a process and the related plant for the permanent deposition of phosphogypsum with simultaneous permanent carbon dioxide sequestration. This process comprises a step (i) for decomposition calcium sulfate contained in the phosphogypsum with hydrogen to calcium oxide, sulfur dioxide and water at temperatures between 1.000 and 1.400 °C. Thereby, a gas stream containing the sulfur dioxide and the water and a solid stream containing the produced calcium oxide result. In a further step (ii), production of sulfuric acid takes place by converting the sulfur dioxide. In step (iii), the calcium oxide contained in the solid stream is carbonized with carbon dioxide to a calcium carbonate at temperatures between 500 and 800 °C to obtain a solid material. Finally, the solid material obtained in step (iii) is deposited in a last step (iv).
A burner lance (10) for industrial heating equipment comprises a first fuel channel (11) for fuel, the first fuel channel (11) being provided with a first fuel outlet member (12) at an outlet end (13) of the burner lance; a first air channel (14) for air, the first air channel (14) being provided with a first air outlet member (15) at the outlet end (13); and a second fuel channel (16) for fuel, the second fuel channel (16) being provided with a second fuel outlet member (17) at the outlet end (13). At least the second fuel outlet member (17) is provided with a widening member configured to widen the angle (9) of the fuel flow exiting the burner lance outwards from the longitudinal axis (8) of the burner lance (10). The first air channel (14) is provided radially outwards from at least two of the fuel channels at the outlet end (13).
F23D 17/00 - Brûleurs pour la combustion simultanée ou alternative de combustibles gazeux, liquides ou pulvérulents
F23C 1/00 - Appareils à combustion spécialement adaptés à la combustion de plusieurs sortes de combustibles simultanément ou alternativement, au moins un des combustibles étant fluide ou étant un combustible solide en suspension dans l’air
F23C 7/00 - Appareils à combustion caractérisés par des dispositions pour l'amenée d'air
3.
FIRING SYSTEM AND A METHOD FOR CONTROLLING A FIRING SYSTEM
A firing system (20) for a furnace (4) comprises a plurality of burners (2) provided spaced from each other along two opposing sides (31) of the furnace (4). The burners (2) are directed towards each other and towards the materials to be heated. A first portion of the burners (2) are configured to provide a flame (6) with first type of flame characteristics and a second portion of the burners are configured to provide a flame (6) with a second type of flame characteristics. Each side (31) is provided with at least one burner (2) belonging to the first portion of the burners and at least one burner (2) belonging to the second portion of the burners.
The disclosure relates to a conveyor belt scraper blade (100) comprising: a supporting structure (110) which comprises a base portion (170) and an engagement portion (150), wherein said engagement portion (150) interconnects with the base portion (170) and extends from the base portion towards a first end (111) of the scraper blade (100), wherein said engagement portion (150) comprises at least one reinforcement portion (151a‐d), and a scraper element (120), wherein the scraper element (120) and the supporting structure (110) are attached to each other along said engagement portion (150) such that the at least one reinforcement portion (151a‐d) protrudes into the scraper element (120) thereby reinforcing an attachment between the scraper element (120) and the supporting structure (110), wherein the supporting structure (110) is made of a first material and the scraper element (120) is made of a second material, and wherein the first and second materials are different.
The disclosure relates to a conveyor belt scraper blade (100) configured to scrape off material from a conveyor belt surface (24), said conveyor belt scraper blade (100) comprising: a supporting shell structure (110) presenting a scraper tip (112) at a first end (111) and a mounting base (114) at a second (113), opposite, end and being tapered towards the scraper tip (112) at least at the first end (111), and one or more scraper elements (120a‐c) arranged within the supporting shell structure (110) so as to at least partially fill an interior thereof at the first end (111), wherein the supporting shell structure (110) is made of a first material and the one or more scraper elements (120a‐c) are made of a second material, and wherein the first and second materials are different. The disclosure further relates to a method for manufacturing a conveyor belt scraper blade.
The present invention relates to a method for recovering lithium from a stream containing lithium, the method comprising contacting the stream, or a pre-treated solution obtained from said stream, with an aluminium-containing material to form a precipitate comprising lithium aluminate, at an alkaline pH; and recovering a slurry of said lithium aluminate.
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
C22B 3/22 - Traitement ou purification de solutions, p.ex. de solutions obtenues par lixiviation par des procédés physiques, p.ex. par filtration, par des moyens magnétiques
C22B 7/00 - Mise en œuvre de matériaux autres que des minerais, p.ex. des rognures, pour produire des métaux non ferreux ou leurs composés
The present disclosure concerns an indirectly heated electrical rotary kiln (1) comprising a longitudinal inner shell (2) for conveying process material (3) therethrough, the inner shell (2) being rotatable about its longitudinal axis. The rotary kiln further comprises a stationary shroud (4) arranged along the length and around the cross-sectional perimeter of the inner shell (2), thereby surrounding said inner shell (2), and a shroud module (5) detachable from the remaining shroud (4), and formed as a longitudinal section and a cross-sectional perimeter segment of the shroud (4). The rotary kiln (1) further comprises an electrical heating element (6) provided on the shroud module on an inside of the shroud, said heating element (6) being configured to heat the inner shell, when in use. Methods for replacing a heating element (6) of the rotary kiln (1) are also disclosed.
The disclosure relates to a gear well (100) for a crusher comprising: a hub circumventing portion (110), arrangeable for circumventing at least a portion of a hub of the crusher, and comprising a groove (112) having first and second side walls (114, 116) and a groove base (118); a pinion recess (120) having a bottom (122); and a transition zone (130) extending between an end (110a) of the hub circumventing portion (110) and the pinion recess (120), wherein the transition zone (130) provides a stepped transition of the groove (112) from the hub circumventing portion (110) to the bottom (122) of the pinion recess (120). A crusher comprising the gear well (100) is also disclosed.
The disclosure relates to a discharge arrangement (10) for horizontal filtration equipment (1). The discharge arrangement (10) comprises a conveyor (11) configured to be provided below the horizontal filtration equipment (1) for receiving discharge material discharged from the horizontal filtration equipment, and a drive (15) for driving the conveyor (11). The drive (15) is configured to enable driving the conveyor (11) in two opposite directions. Thereby, material provided on the conveyor (11) can be discharged at either a first end (13) or a second end (14) depending on the direction in which the conveyor is driven.
A wear protection component comprises an elastic material layer (12) and a reinforcing support (14). The elastic material layer (12) is bonded to the reinforcing support (14), and the wear protection component is bent into a curved shape. In an area delimited by an outer periphery of the reinforcing support (14), the wear protection component comprises one or more local stress relief areas (16, 17) in which the elastic material layer (12) is not bonded to the reinforcing support (14).
A filter grid (1) comprising a plate -like grid body (2) having a first side (2a) and an opposing second (2b) side. The grid body (2) further comprises a plurality of apertures (4) extending between the first side (2a) and the second side (2b), thereby providing fluid communication between the first side (2a) and the second side (2b) through the grid body (2). Each of the plurality of apertures (4) define an aperture area and an aperture circumference, such that a ratio of the aperture area in millimetres squared to the aperture circumference in millimetres is above 1.3, and the plurality of apertures (4) occupy at least 35% of a total area of the first side (2a). A filtrate vat assembly, a filter plate assembly and filter press are also disclosed.
A support structure (1) is provided for supporting a conveyor belt in a conveyor system, the support structure (1) comprising a frame (20) and at least one wear member (10) releasably attached to the frame (20), wherein the frame (20) has a supporting surface (21), and the wear member (10) has an attachment surface (18) facing the supporting surface (21). The supporting surface (21) of the frame (20) and the attachment surface (18) of the wear member (10) are configured to make the surfaces (21, 18) adhere to one another upon pressing the wear member (10) against the frame (20) in a direction perpendicular to the opposing surfaces (18, 21). A wear member (10) for supporting a conveyor belt is also provided. A surface component (13) of the wear member (10) is releasably attached to a base body (14) by means of a releasable connection (30).
A hanging conveyor system (100) of a mobile mineral material processing plant (500) is compacted. A conveyor frame (130) is supported to a platform frame (112) of the plant by a horizontal pivoting between an operating and storage positions. At least three folding sections (132, 134, 136, 138), intermediate section joints (133, 135, 137), and an actuation mechanism enable folding and unfolding the conveyor frame by pivoting upwards or downwards a remote end of a first folding section (132) at a discharge end of the conveyor frame by more than 90 degrees over a first pivotable folding section joint (133), and pivoting upwards a base end of a second folding section (134) and a remote end of a third folding section (136).
A method and system for processing mineral material. A first output fraction from a mineral material screening device MMSD (410) is received (600) onto a first transfer conveyor (110) that is perpendicular to a flow direction of the MMSD (410). The first transfer conveyor (110) is operated (601) in either a first perpendicular direction or in a second perpendicular direction of the flow direction of the MMSD (410), for transferring received first output fraction accordingly to the first or second perpendicular direction. A second output fraction is received (602) from the MMSD (410) onto a second transfer conveyor that is perpendicular to the flow direction of the MMSD (410). The second transfer conveyor is operated (603) in either the first perpendicular direction or in the second perpendicular direction for transferring received second output fraction accordingly to the first or second perpendicular direction. The mineral material transferred to the first perpendicular direction is conveyed (604) by a first secondary conveyor (130). The mineral material transferred to the second perpendicular direction is conveyed (605) by a second secondary conveyor (140).
A system (100) and method for pivotably supporting a processing device (120) to a mobile platform (110) and adjusting an angle thereof. The mobile platform supports a cradle (140). An overhead bracket (130) is attachable to the cradle and the processing device for hanging the processing device. A first support member (130, 140) has angle adjustment latching counterparts (230) for latching the processing device in different operating positions including an upper operation position; and lower operation position. A second support member (140, 130) has a latch (220). The first support member is the cradle or overhead bracket (130), and the second support member is the other one. An adjustment actuator (250) is coupled to the mobile platform and the processing device moves the processing device between is operating positions and maintenance position underneath. A latch movement mechanism (240) in the second support member engages or disengages the latch with the counterparts.
A method and apparatus for coupling a hanging processing device to a mobile platform, including: supporting (1300) the processing device by a moving part; pivotably supporting (1301) the moving part to a fixing part with a pivot residing closer to a bottom than top of the moving part; supporting (1302) at a first time the moving part to a given operating angle of the processing device by an interlink that together with at least one of the moving part or the fixing part provides a plurality of effective lengths with selectable latching, until a second time; at the second time, (1303) releasing the interlink using an interlink movement mechanism and pivoting the moving part with relation to the fixing part using an adjustment actuator that is functionally coupled between the mobile platform and the processing device.
A feed inlet structure (10) for a burner (4) for a suspension smelting furnace comprises an inlet space (14) defined inside the feed inlet structure. The feed inlet structure (10) further comprises an inlet opening (15) and a feed distributor (16) provided at least partly within the inlet space (15). The feed distributor (16) is configured to separate objects from a standard feed, which objects have a particle size that is larger than a maximum particle size of the standard feed. The feed distributor (16) comprises at least one dividing plate (17) comprising a first side (18) having a first surface (19). The first surface (19) of each dividing plate (17) is configured to deviate a trajectory (27) of at least some objects from a trajectory (28) of the standard feed inside the feed inlet structure (10), when feed material comprising standard feed and objects is fed to the feed inlet structure.
A HANDLING SYSTEM OF A SUBFRAME FORMING PART OF A FILTER PLATE FRAME ASSEMBLY IN A HORIZONTAL FILTER PRESS OF A TOWER TYPE, A METHOD OF PERFORMING MAINTENANCE OF SUCH SUBFRAME AND USE OF SUCH HANDLING SYSTEM
A handling system (1000) of a subframe (2) forming part of a filter plate frame assembly (5) in a horizontal filter press (1) of a tower type is provided. The handling system comprises a supporting structure (100) and a suspension arrangement (200). The supporting structure comprises a first longitudinally extending rail (101) and a second longitudinally extending rail (102) which are interconnected with a support surface (105) configured to slidingly support a subframe when being moved in and out of the filter plate frame assembly. The suspension arrangement is arranged in a first end portion of the supporting structure. The suspension arrangement is configured to allow the supporting structure to be selectively and removably connected to the filter press in an area adjacent a filter plate frame assembly. Further, a method of performing maintenance of a subframe is provided, which method involves the use of such handling system.
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
The present invention relates to an arrangement for processing a lithium-containing mineral, including the recirculation of a carbonate-containing liquid stream back to an off-gas treatment unit. Further, the invention relates to a method for such processing.
A shearing device (1), an arrangement and uses thereof. The shearing device is connectable to a drive assembly of the arrangement for separating solids from liquid, the shearing device (1) comprising - attachment arrangement (3) arranged in a first end (4) of the device for connecting the shearing device (1) to the drive assembly, - a shearing arrangement (19) being arranged to define shearing elements (5) angled with the lengthwise direction (AL) of the device and intervals (6) therebetween, wherein - the device (1) has a proximal portion (7) closer to the first end (4) and a distal portion (8) closer to a second end (9) of the device opposite to the first end (4), and - average width of the shearing elements (5) arranged in the distal portion (8) is greater than average width of the shearing elements (5) arranged in the proximal portion (7).
A grate plate is provided for use with a pulp lifter at a discharge end of a grinding mill. The grate plate has an outer edge, an inner edge, a leading side edge and a trailing side edge. The leading side edge and the trailing side edge have complementary shapes so that a series of grate plates can be mounted to the pulp lifter in a circular or annular array, with the leading side edge of each grate plate being adjacent the trailing side edge of an adjacent grate plate in the array. The grate plate comprises openings for passing through ground material particles of a predetermined size or smaller from the interior of the drum towards the pulp lifter. The grate plate further comprises, on a surface configured to face the interior of the cylindrical drum, one or more sections of lifter bars arranged so that the lifter bar sections on a number of adjacent grate plates complement each other to form lifter bars, wherein the lifter bar sections are shaped so that at least portions of the resulting lifter bars are inclined or curved in a first circumferential direction of the circular or annular array relative to a radial line of the array intersecting the respective lifter bar or lifter bar portion. At least portions of the complementary leading and trailing side edges of the grate plate are inclined or curved in a second circumferential direction of the array relative to a radial line of the array running through the point of intersection of the respective side edge with the outer edge. The second circumferential direction is opposite the first circumferential direction.
B02C 17/18 - Désagrégation au tonneau, c. à d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets - Parties constitutives
The disclosure relates to a wear plate for a rotor (108) for a comminution apparatus (100), said wear plate (500, 600, 700) being arrangeable adjacent to at least one of said wall elements (208) and/or a further wear plate (500, 600, 700) and extends between said upper plate (204) and said lower plate (206) along the longitudinal direction (L), said wear plate (500, 600, 700) comprising a first body (501, 601, 701) which extends along a first general direction (GD501, GD601, GD701) and has an upper surface (501a, 601a, 701a), a lower surface (501b, 601b, 701b), and a first abutment surface (511, 611, 711) extending at least partially between said upper and lower surfaces (501a, 501b, 601a, 601b, 701a, 701b) of the first body (501, 601, 701), and a second body (502, 602, 702) which extends along a second general direction (GD502, GD602, GD702) differing from the first general direction (GD501, GD601, GD701) of the first body (501, 601, 15701) and has an upper surface (502a, 602a, 702a), a lower surface (502b, 602b, 702b), and a second abutment surface (512, 612, 712) extending at least partially between said upper and lower surfaces (502a, 502b, 602a, 602b, 702a, 702b) of the second body (502, 602, 702), wherein the wear plate (500, 600, 700) is configured to abut a first surface and a second surface of the rotor (108) such that, in use, forming a self-locking mechanism due to rotational force.
B02C 13/18 - Désagrégation par appareils à batteurs rotatifs à arbre du rotor vertical, p.ex. combinés avec des dispositifs de tamisage à batteurs fixés rigidement sur le rotor
23.
COOLING ELEMENT AND A METHOD IN CONNECTION WITH A COOLING ELEMENT
A cooling element (4) for a furnace (1) comprises a first side (7) configured to be directed towards the inside (3) of the furnace (1), a second side (8) opposite to the first side (7) and configured to be directed away from the inside (3) of the furnace, and a cooling fluid channel system (6) for cooling fluid circulation. The cooling element (4) further comprises a monitoring channel system (10) comprising at least one monitoring channel (11) for pressure medium. At least a portion (12) of the monitoring channel (11) extends in a portion (13) of the cooling element (4) provided between the first side (7) and a plane (14) defined by the points (15) of the cooling fluid channel system (10) closest to the first side (7).
Presented is a method for evening out the feeding of reaction gas when feeding solid material and reaction gas into a reaction shaft (1) of a suspension smelting furnace (2) by means of a burner (3). The method comprises feeding solid material into the reaction shaft (1) by means of a feeder pipe (4) of the burner (3), and feeding reaction gas into the reaction shaft (1) by means of a gas supply 5 device (5) of the burner (3). The method comprises providing a gas deflection member (12) in a reaction gas chamber (6) of the burner (3). Presented is also a burner (1).
An arrangement for dust blocking in a cone crusher (200); the cone crusher; and a method for the dust blocking and manufacturing the cone crusher, in which: a crusher head (201) is supported by a support cone (202). A linear actuator (204) vertically moves the crusher head for setting adjustment and/or tramp iron release; a lower surface of the support cone, at least in part, defines a downwards opening annular cavity (205). The crusher head radially movably supports a seal ring (206). A lip (310) is formed for the annular cavity by the seal ring. A slip ring (210) extends into the annular cavity beyond the seal ring and forms a counter-surface for the seal ring. The slip ring at least in part defines: a pressurised gas supply channel (240); and an entry channelling (230, 430) interconnecting the pressurised gas supply channel to the annular cavity.
A mantle (1, 1b) for a gyratory or cone crusher comprises a frame provided with a bowl (2) as a first crushing shell, and a crusher head provided with the mantle (1, 1b) as a second crushing shell, wherein the mantle (1, 1b) and bowl (2) define a crushing gap between them. The mantle (1, 1b) comprises a central axis (Z), a first end (3) and a second end (4) along the central axis (Z), and an outer peripheral surface defined by a generatrix rotating around the central axis (Z), the outer peripheral surface constituting a crushing surface (5) of the mantle (1, 1b), and an outer diameter of the mantle (1, 1b) being larger at the second end (4) than at the first end (3) of the mantle (1, 1b). One or more grooves (10) are formed in the crushing surface (5) at the second end (4) of the mantle (1, 1b), and one or more cavities (20) for receiving wear resistant inserts (40) are formed in the crushing surface ( 5 ), and/or one or more wear resistant inserts (40) are bonded to or into the crushing surface (5).
A method for processing iron ore to obtain steel (501) by feeding the DRI into a smelting furnace (1) so as to obtain an intermediate iron product, which is then subsequently introduced (301) into a conversion unit for obtaining steel (501) form the intermediate iron product. Moreover, carbon is introduced (401) into the process. As a consequence, a suitable carbon content may be achieved for the intermediate iron product such that impurities of the intermediate iron product may be reduced along with carbon contents thereof in a steel conversion process without sacrificing iron contents of the intermediate iron product. Simultaneously, suitable fluxes are fed (201; 202) into the smelting furnace (1) together with the DRI, such that high-quality slag suitable as raw material for further processing is obtained therefrom. An associated smelting furnace arrangement is also disclosed.
The present invention relates to an arrangement that is suitable for processing an aqueous metal-containing slurry to separate undesired fractions therefrom, including the units intended for cooling the slurry and simultaneously causing air-induced evaporation of a fraction of the water in the slurry. Further, the invention relates to a method for such processing.
B01D 53/00 - SÉPARATION Épuration chimique ou biologique des gaz résiduaires, p.ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols
29.
FRETTING WEAR REDUCTION IN INTERFERENCE FIT OF CONE CRUSHER HEAD
The disclosure relates to a system for mounting and/or demounting a liner element (10) to a mill shell (2) of a mill, wherein the system comprises: one or more liner lifting elements (110) each structured and arranged to be fastened in a respective liner element through-hole (16) such that said one or more liner lifting elements protrude out from the front side of the liner element to define associated lifting portions for allowing an engagement with a lifting tool; and one or more fastening bolts (130) for fastening the liner element to the mill shell. The disclosure further relates to methods for mounting and demounting a liner element to a mill shell of a mill.
The disclosure relates to a system for mounting a liner element (10) to a mill shell (2) of a mill, the system comprising one or more fastening bolts (130), and one or more associated liner interface guide elements (110) each having a locking portion (111 ) having a cross-sectional dimension being larger than a cross-sectional dimension of a bolt body (134) of the one or more fastening bolts; wherein each fastening bolt and an associated liner interface guide element are structured and arranged to be attached to each other such that, when inserted into said associated liner element through-hole (16), said associated liner interface guide element (110), by means of the locking portion (111 ), locks the fastening bolt to the liner element and protrudes out from the back side thereof to define a guide portion which, during mounting of the liner element on the mill shell, is arranged to penetrate into an associated mill shell through-hole (4) thereby guiding the liner element into a mounting position at which the liner element is in abutment with the mill shell. The disclosure further relates to a method for mounting a liner.
A method, control system (400), cone crusher (100), and mineral material processing plant (200) for adapting configuration of a cone crusher (100) for transportation. The cone crusher (100) includes a vertically movable crusher bowl (105). The cone crusher (100) is prepared for transportation by automatically performing at least: lowering (345) the crusher bowl (105) to a crusher bowl transportation position; and after the transportation, preparing (375) the cone crusher for crushing by at least raising the crusher bowl (105) according to a predetermined crusher bowl resumption position according to a previous crusher bowl position before the lowering (345), according to a mutual distance of the crusher bowl and the crusher head before the lowering (345), or according to a predefined default setting.
80808080 75 μm coming from kiln, submerges lances furnaces, ferric reduction furnaces, galvanizing and/or recycling processes, particularly recycling of steel, copper, lead, nickel and/or electronic scrap, and/or that the zinc oxide residues comes from foundry for lead and zinc, ashes and/or dross from a Zamac process, oxide zinc ash, catalysts, melting and casting of Zn and/or zinc slag.
A method and apparatus for adjustable conveyor supporting in mobile mineral material processing station, including: maintaining (400) by a first support a first end (211) of the conveyor (120), with relation to a body (230) of the mineral material processing station, between a lower limit (360) and an upper limit (340); adapting (410) at least one of the lower limit (360) and the upper limit (340); pivotably joining (420) two parts of the conveyor (120): a stem part (210), and an end part (220); and using an actuator mechanism (240) to:pivoting (430) the end part (220) about the pivot joint (218) so that the conveyor (120) is folded from an operation configuration to a folded configuration and the first end of the conveyor (120) moves against the lower limit (360); and pivoting (440) the conveyor (120) from the folded configuration to the operation configuration so that the first end of the conveyor (120) is forced to move against the upper limit (340).
B65G 21/10 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes mobiles ou à pièces interchangeables ou relativement mobiles; Dispositifs pour déplacer le châssis ou des parties de celui-ci
B65G 21/14 - Châssis ou carters de support ou de protection pour transporteurs sans fin ou éléments de traction des transporteurs à courroies ou à chaînes mobiles ou à pièces interchangeables ou relativement mobiles; Dispositifs pour déplacer le châssis ou des parties de celui-ci pour permettre le réglage de la longueur ou du profil des porte-charges ou de l'élément de traction
B65G 41/00 - Châssis ou bases de support pour transporteurs dans leur ensemble, p.ex. châssis transportables
B07B 1/00 - Criblage, tamisage ou triage des matériaux solides au moyen de treillis, grilles ou systèmes analogues
A rotor (100) of a gas dispersion arrangement, comprising a cover disc (1), air slots (2) arranged to protrude away from the cover disc (1), the air slots (2) defining an interior space (3) in the interior of the rotor, an air channel (4) connected to the air slot (2) for supplying air to be dispensed in slurry, and slurry slots (5) arranged between and an alternating way with the air slots (2) around the interior space (3). The slurry slots (5) are in fluid communication with the interior space (3), and radially extending blades (6) arranged for separating the air slot (2) from adjacent slurry slots (5). The cover disc (1) comprises at least one through-hole (7) extending from an upper surface (8) of the cover disc to at least one of the slurry slots (5).
B03D 1/16 - Machines de flottation à propulseurs; Machines à subaération
B01F 23/233 - Mélange de gaz avec des liquides en introduisant des gaz dans des milieux liquides, p.ex. pour produire des liquides aérés en utilisant des agitateurs entraînés munis d’éléments d'agitation complètement immergés
37.
AN IMPELLER, A DIFFUSER AND AN ARRANGEMENT USING SUCH IMPELLER AND DIFFUSER IN A FLOTATION TANK
An impeller (300) and a diffusor (200) is provided which are configured to be used in a flotation tank to enhance mixing of gas and slurry. The impeller (300) comprises two opposing inlet ends (303; 307) and the diffusor comprises two opposing inlet mouths (208; 216). The impeller (300) is configured, when arranged inside the diffusor, to pump a bi-directional axial flow of slurry into the diffusor (200). Further, an arrangement (1000) using such diffusor and impeller for the use in a flotation tank to enhance mixing of gas and slurry is provided.
A method and system adapting a mineral material crushing system (100) between operating and transport configurations. A screen support frame (120) receives and supports a multideck screen (130) with a plurality of stacked screen decks outputting different size fractions at a discharge end. A dividing hopper (150) receives different size fractions from the multideck screen). A chute (152) guides the different size fractions to a chute output position. A platform frame (110) movably supports the screen support frame (120) allowing the screen support frame (120) and the multideck screen (130) move between an elevated operating position and to a lowered transport position. The chute output position laterally resides outside a lateral footprint bordered by the platform frame. The chute (152) moves between chute transport and operating states so that at least a portion of its weight remains carried by the dividing hopper (150).
A method is disclosed for oxidation of sulphur oxyanions contained in a stream of aqueous liquid. In the method, an aqueous liquid stream containing sulphur oxyanions is mixed, in a sparger device (7, 8), with at least one oxidant in gaseous form, thereby obtaining, mixed within the aqueous liquid stream, oxidant microbubbles containing reactive radicals species in contact with dissolved or condensed oxidant and the aqueous liquid stream, and/or reactive radicals species in contact with the at least one oxidant in gaseous form and the aqueous liquid stream. The dissolved or condensed oxidant and the reactive radicals species, and/or the at least one oxidant in gaseous form and the reactive radicals species, are allowed to contact sulphur oxyanions contained in the aqueous liquid stream and to oxidize sulphur oxyanions contained in the aqueous liquid stream to sulphate and/or to other sulphur oxidation states, by an oxidative reaction of the sulphur oxyanions with the reactive radicals species, thereby forming sulphate and/or other sulphur oxidation states containing aqueous liquid stream.
A conveyor system unit (10) configured to form part of an endless conveyor system (50) is disclosed. A conveyor system unit (10) comprises a first slat (11) and a second slat (12), and each slat (11, 12) has a supporting surface (13) with a first and a second long side edge portion (21, 22) and two short side edge portions (23). The first and second slats (11, 12) are arranged side by side in view of each other and are interconnected by an elastomeric matrix (30) extending across the supporting surfaces (13). Each conveyor system unit (10) further comprises supporting side walls (24) arranged at each short side edge portion (23) of each slat (11, 12), and the supporting side walls (24) arranged on a same short edge side of the conveyor system unit (10) are interconnected by an elastomeric matrix wall (324, 324') extending across the supporting side walls (24). An endless conveyor system (50) comprising such conveyor system units is also disclosed.
B65G 17/06 - Transporteurs comportant un élément de traction sans fin, p.ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuels; Transporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p.ex. longitudinaux
A reactor arrangement (100) and uses thereof. The arrangement (100) comprises a reactor tank (10), a draft tube (1) arranged in the reactor tank (10), and an impeller (8) arranged in the immediate vicinity of a lower end (6) of the draft tube (1). The wall (2) of the draft tube comprises openings (3) through said wall so that the total surface area of the openings (3) as a percentage of the total outside surface area of the draft tube (1) is 4 % at most.
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, and the cathode material comprising lithium and nickel. Further, the invention relates to an arrangement that is suitable for use in the method.
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries, wherein the cathode material comprises lithium, nickel, and cobalt. Further, the invention relates to an arrangement that is suitable for use in the method.
The present invention relates to a method for extracting metals from the black mass of lithium-ion batteries, the black mass containing the anode and cathode materials of the batteries as well as some copper, and the cathode material comprising lithium and nickel. Further, the invention relates to an arrangement that is suitable for use in the method.
The present invention relates to a system for detecting and handling an overload event in a crusher system. The system comprises a crusher system a crusher for comminution of material. The crusher comprises a clamping arrangement, and a clamping pressure sensor configured to measure a clamping pressure of the clamping arrangement. A processing unit communicatively connectable to the clamping pressure sensor, where the processing unit is configured to output an alarm signal and/or an instruction adjust an operation parameter of the crusher system, based on a received clamping pressure signal.
The disclosure relates to a rotor (108) for a comminution apparatus (100), said rotor (108) being arranged to launch material to be comminuted towards a surface (206), such as an anvil or an autogenous layer of crushed material, said rotor (108) comprising a frame (202) including an upper plate (204), a lower plate (208) and wall elements (208) extending between said upper plate (204) and said lower plate (206), the rotor (108) further comprising an inlet opening (210) in said upper plate (204) and an outlet (212) located between the upper plate (204) and the lower plate (206), wherein an uppermost surface (304) of the frame (202) and a lowermost surface (306) of the frame (202) has a greater hardness than the rest of the frame (202) such that additional wear protection elements may be omitted at those upper most and lowermost surfaces (304, 306).
B02C 13/18 - Désagrégation par appareils à batteurs rotatifs à arbre du rotor vertical, p.ex. combinés avec des dispositifs de tamisage à batteurs fixés rigidement sur le rotor
47.
A CRUSHING EQUIPMENT AND A METHOD FOR CONTROLLING THE SAME
The disclosure relates to a method (400) for controlling a crushing equipment (100), wherein the crushing equipment (100) comprises a crusher(102), a feeding arrangement (104) for feeding material to the crusher (102), a secondary equipment (106) arranged downstream from the crusher (102) for sorting out oversized material leaving the crusher (102), and a recirculation loop (108) for recirculating said oversized material to the crusher(102). The method (400) comprising the following steps: stop (S402) feeding new material to the crushing equipment (100) through said feeding equipment(104); recirculating (S404) the oversized material from the secondary equipment (106) to the crusher (102); and decreasing (S406) a crusher setting of the crusher (102).
B02C 2/00 - Broyage ou désagrégation par broyeurs giratoires ou à cônes
B02C 23/12 - Séparation ou triage de matériaux, associé au broyage ou à la désagrégation au moyen d'un séparateur situé dans le passage de décharge de la zone de broyage ou de désagrégation avec retour des matériaux hors dimension à la zone de broyage ou de désagrégation
B02C 25/00 - Systèmes de commande spécialement adaptés au broyage ou à la désagrégation
Presented is a metallurgical furnace (1) comprising a hearth (2), a sidewall structure (3), and a surrounding cooling element structure (26) comprising cooling elements (12). Each cooling element (12) have a planar back surface (13). A surrounding binding structure (5) comprising binding sections (6) surrounds partly the surrounding surface (24). Adjacent binding sections (6) of the surrounding binding structure (5) are connected by tension assemblies (9). At least one planar back surface (13) of at least one cooling element (12) is parallel with and is in a horizontal direction of the metallurgical furnace (1) supported by at least one planar surface means (43) of at least one binding section (6) of the surrounding binding structure (5). Said at least one cooling element (12) of the surrounding cooling element structure (26) is located at least partly between the surrounding surface (24) and said one binding section (6).
The disclosure relates to a method for positioning a wear element relative to a supporting structure using a multi axis wear element positioning equipment having a wear element positioning unit. The method comprising the steps of:- arranging a wear element positioning equipment in a replacement position relative to the supporting structure; - defining the coordinates of an intersection point (203) where the virtual line (Qg) intersects a surface of the supporting structure;- align the wear element positioning unit with the surface of the supporting structure at the intersection point (203) such that a connecting surface of the wear element carried by the wear element positioning unit matches with a corresponding connecting surface of the supporting structure at the intersection point (203). The disclosure further relates to a system for positioning a wear element relative to a supporting structure.
B02C 23/00 - Procédés auxiliaires, dispositifs auxiliaires ou accessoires spécialement adaptés au broyage ou à la désagrégation non prévus dans les groupes ou non adaptés spécialement aux appareillages couverts par un seul des groupes
B25J 9/04 - Manipulateurs à commande programmée caractérisés par le mouvement des bras, p.ex. du type à coordonnées cartésiennes par rotation d'au moins un bras en excluant le mouvement de la tête elle-même, p.ex. du type à coordonnées cylindriques ou polaires
50.
A FILTER PLATE ASSEMBLY FOR A FILTER PRESS, AND SUCH A FILTER PRESS
A filter plate assembly (1) for a filter press, comprising a filter frame (2) and a filter plate (3) supported on the filter frame. A diaphragm (4) is provided between the filter frame (2) and the filter plate (3), the diaphragm further comprising, on a side facing the filter frame, a seal bead (4a) for sealing the diaphragm (4) against the filter plate (3). The seal bead (4a) comprises a first seal lip (7) and a second seal lip (8), the former being elevated from the later. The filter frame has a limited vertical travel with respect to the filter plate (3), such that, in a lowermost position, only the first seal lip (7) is in contact with the filter plate (3), and in an uppermost position, both the first seal lip (7) and the second seal lip (8) are in contact with the filter plate (3).
B01D 25/00 - Filtres formés par l'assemblage de plusieurs éléments filtrants fixés ensemble ou parties de tels éléments
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
A wear liner element (3, 3' ) for a truck haul body (1) is provided with an expandable ejector unit (50) to be arranged between the outer surface of the wear liner element (3, 3' ) and the opposite surface of the truck haul body. The ejector unit (50) has a first part for abutting or engaging with the outer surface of the wear liner element (3, 3' ) and a second part for abutting or engaging with the truck haul body surface and is operable to increase a spacing between its first and second parts to thereby increase the spacing between the outer surface of the wear liner element (3, 3' ) and the truck haul body surface.
A wear liner element (30, 30' ) for a grinding mill is provided with an expandable ejector unit (50) to be arranged between the outer surface of the wear liner element (30, 30' ) and the opposite inner surface of a shell or an endwall of the mill. The ejector unit (50) has a first part for abutting or engaging with the outer surface of the wear liner element (30, 30' ) and a second part for abutting or engaging with the inner surface of the shell or endwall and is operable to increase a spacing between its first and second parts to thereby increase the spacing between the outer surface of the wear liner element 30, 30' ) and the inner surface of the shell or endwall.
A filter press (1) comprising a stationary frame (9), in which a head member (4), a movable tail member (5), an actuator (6) for opening and closing movement of the filter press, and a plurality of filter plates (2) arranged between head member (4) and the movable tail member (5) are arranged, wherein the filter press further comprises a locking arrangement (10) for pressing the filter plates against each other, is disclosed. According to the disclosure the locking arrangement (10) comprises at least one locking member (12) having a first wedge-like surface (22), said at least one locking member (12) is arranged to be movable in a direction perpendicular to the opening and closing movement of the filter press (1), wherein the first wedge-like surface (22) of the at least one locking member (12) is arranged to interact with a corresponding opposite second wedge-like surface (25) provided in the filter press (1), and at least one locking actuator (13) arranged to move the at least one locking member (12) so that the first wedge-like surface (22) can interact with the opposite second wedge-like surface (25) to thereby press the filter plates (2) against each other, and wherein the locking arrangement (10) is arranged to interact with a supporting surface (88) in the stationary frame (9) and a corresponding supporting surface (77) in the movable tail member (5).
The disclosure concerns a filtrate vat assembly for a filter press, comprising a filtrate vat (2) defining a receptacle (2a) being laterally delimited by a border (3) elevated from a base (2b) of the receptacle (2a) and open towards a side (1a) opposing the base (2b). A gap (3a) is provided on the border (3), such that an outlet opening (4) extending laterally through the border (3) is formed, thereby providing a fluid drainage route from the receptacle (2a), the gap (3a) being open towards the side (1a) opposing the base (2b). The filtrate vat assembly (1) further comprises a lid (5) covering the outlet opening from the side (1a) opposing the base (2b), such that the outlet opening (4) is delimited by the border (3) and the lid (5).
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
A screw flight system (2) comprising a helical screw flight (21), and at least one wear lining element (22) is disclosed. According to the disclosure, the screw flight system (2) further comprises a guiding system comprising at least one guide pin (32) configured to be arranged on one of the helical screw flight (21) and the at least one wear lining element (22), and at least one guide hole (42) arranged on the other of the helical screw flight (21) and the at least one wear lining element (22), wherein the at least one guide hole (42) being configured to receive the at least one guide pin (32). Also disclosed is a vertical grinding mill (1) comprising the screw flight system (2), a replacement kit of wear lining elements (22), and a method for mounting thereof.
A system (1000) for a vertical grinding mill is provided. The system comprises a longitudinally extending shaft (100) supporting a helical screw flight (101) and at least one adaptor plate (200) configured to be fixedly mounted to the shaft (100). Each adaptor plate (200) comprises at least one first locking member (204). The system further comprises at least one wear segment (300) configured to be supported by the at least one first locking member (204). Further, a replacement kit (2000), a kit of wear protection elements (3000) and a vertical grinding mill is provided.
A filter plate subframe (1) for a filter plate frame assembly having a filter plate frame and a filter plate subframe slidably receivable therein. The subframe comprises separate periphery segments (2a, 3a, 4a, 5a, 6a) attached to each other so as to form a continuous, generally rectangular periphery region (1a) with flank sides and end sides. The flank sides (2, 3) have a linear density lower than that of the end sides (4, 5), and the end sides (4, 5) have a bending stiffness higher than that of the end flank (2, 3), while either or both of the first end side (4) and the second end side (5) are provided with a reinforcement bar (4b, 5b) for increasing the bending stiffness said end sides (4, 5). A supporting surface is provided on a first planar side (1c) of periphery segments forming the flank sides (2, 3) the supporting surface.
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
58.
ARRANGEMENT AND METHOD FOR CONTROLLING PRESSURE FILTER
Disclosed is an arrangement and method for controlling a pressure filter. The arrangement comprises the pressure filter for solid-liquid separation for producing a filter cake and a moisture analyzer for providing an indication of moisture content of the filter cake. One or more controllers may be used for utilizing the indication of moisture content to set a drying time for the solid-liquid separation.
A grid (1) and a vat (4) for a vat assembly of a vertical filter press such as a tower press is disclosed. The grid (1) is provided with a topographical pattern (3) engaging with a corresponding, inverse topographical pattern (8) on the filtrate vat (4). The topographical patterns (3, 8) guide the filtrate flow towards a filtrate outlet (7) and reduces the formation of vortices and turbulent flow of the filtrate, hence increasing the filtrate flow rate through the vat. Simultaneous, the topographical patterns (3, 8) improve secure attachment of the grid (1) onto the vat (4), thereby allowing increased travel speed of the filter medium during advancement thereof. As a result, the cycle time of a filtration process may be reduced, and consequently, the overall capacity of the associated filter press is increased. A filtrate vat assembly and a vertical filter are also disclosed.
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B32B 3/30 - Produits stratifiés caractérisés essentiellement par le fait qu'une des couches comporte des discontinuités ou des rugosités externes ou internes, ou bien qu'une des couches est de forme générale non plane; Produits stratifiés caractérisés essentiellement par des particularismes de forme caractérisés par une couche comportant des cavités ou des vides internes caractérisés par une couche comportant des retraits ou des saillies, p.ex. des gorges, des nervures
F16B 5/07 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par emboîtement des protubérances multiples portées par deux surfaces, p.ex. crochets, spirales
A mobile mineral material processing plant (100) is adaptively coupled to a screen module (110) using an elongated coupling base (120) that has first and second adapters (124, 127) to respectively detachably attach together a screen module (110), one or more exit conveyors (130, 132) and to detachably attach the screen module (110) and the one or more exit conveyors (130, 132) to the plant (100). The first adapter (124) pivotably couples to the plant (100) on laterally moving the plant (100) to engage with a first connector (125) of the first adapter (124). The second adapter (127) allows an actuator (410) to lift the screen module (110) with the coupling base (120) so that the screen module (110) pivots from ground about the pivotable coupling to an inclined operating configuration. The coupling base (120) is angled to horizontally align a reject conveyor (130) in the inclined operating configuration.
The specification relates to a method for improving a mineral flotation process. The method comprises adding coagulant(s) and/or flocculant(s) and/or flotation chemical(s) to an aqueous stream (100, 200a, 300a, 400b) of a minerals processing plant in order to facilitate formation of flocs including colloidal particles comprising electrochemically active metal(s), and in order to form a treated aqueous stream (101, 201, 301, 401), subjecting the treated aqueous stream (101, 201, 301, 401) to cleaning flotation in order to separate at least some of the colloidal particles comprising electrochemically active metal(s) and at least some of the microbes contained by the treated aqueous stream (101, 201, 301, 401) as a cleaning flotation overflow (103, 203, 303, 403) and in order to form a cleaning flotation underflow (104, 204, 304, 404), removing the cleaning flotation overflow (103, 203, 303, 403), and utilizing at least part of the cleaning flotation underflow (104, 204, 304, 404) as process water in minerals processing. The cleaning flotation comprises gas bubbles, at least 90 % of the gas bubbles having a diameter of from 0,2 to 250 µm.
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c. à d. de la production, de la purification ou du traitement de métaux, p.ex. déchets de procédés électrolytiques
A kind of pressure filters (100), and more particularly to horizontal plate pressure filters, in which filter chambers are formed between horizontally extending superimposed filter plates (101). Such filters are also known as tower presses. A displacement sensor (107) is provided to measure the displacement of a lower pressing plate (103) when moving from a retracted position to a sealed position. The change in the displacement between cycles of the pressure filter (100) is compared to a baseline and an indication that the plate seals should be changed is provided when the displacement sufficiently changes with respect to the baseline.
A key liner segment (3k) for use in a topshell (1) of a gyratory or cone crusher is provided. The topshell (1) comprises a frame (4) and a plurality of replaceable liner segments (3) arranged in at least one tier or row along the inner circumference of the frame (4), with side surfaces of each liner segment (3) facing adjacent liner segments (3) in the tier or row. The side surfaces (3k) of the key liner segment (3) converge in a radially outward direction of the topshell (1).
A lifter bar (32) for an open-ended grinding mill (2) comprises an elongated bar structure (45) and at least one groove portion (33) provided in the elongated bar structure (45). The groove portion (33) is configured to open on the side of the lifter bar (32) facing outwards from the grinding mill volume (28), when the lifter bar is mounted onto the grinding mill (2). The groove portion (33) is provided with at least one through hole opening (41) for a mounting member (48).
B02C 17/18 - Désagrégation au tonneau, c. à d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets - Parties constitutives
This disclosure relates to a froth-interaction flotation unit (1000), a mineral processing apparatus, and a method for separation of input slurry using froth- interaction flotation. The froth-interaction flotation unit (1000) comprises a tank (1100) for holding a volume of slurry (1001) and a froth layer (1002), a coarse slurry feeding arrangement (1200) for feeding coarse slurry (1201) to the froth layer (1002), a flotation gas supply arrangement (1300) for supplying flotation gas (1301) into the volume of slurry (1001), a fine slurry feeding arrangement (1400) for feeding fine slurry (1401) into the volume of slurry (1001), and a classification arrangement (1600) configured to classify the input slurry (1601) to form a coarser slurry fraction (1602) and a finer slurry fraction (1603), to feed the coarser slurry fraction (1602) to the coarse slurry feeding arrangement (1200), and to feed the finer slurry fraction (1603) to the fine slurry feeding arrangement.
B03D 1/02 - Procédés de flottation par formation d'écume
B03B 7/00 - Combinaisons de procédés ou d'appareils opérant par voie humide, avec d'autres procédés ou appareils, p.ex. pour la préparation des minerais ou cendres
66.
FLUIDIZED-BED FLOTATION UNIT, MINERAL PROCESSING APPARATUS, AND FLUIDIZED-BED FLOTATION METHOD
This disclosure relates to a fluidized-bed flotation unit (1000), its use, a mineral processing apparatus, and a fluidized-bed flotation method. The fluidized-bed flotation unit (1000) comprises a tank (1100) for holding a volume of slurry (1001). The tank (1100) comprises a launder (1101) with a launder lip (1102), a fine slurry outlet (1110) below the launder lip (1102), and a coarse slurry outlet (1106) below the fine slurry outlet (1110) for discharging coarse output slurry (1107) from the volume of slurry (1001). The fluidized-bed flotation unit (1100) comprises a solid- liquid separation arrangement (1700) con figured to collect output slurry (1701) from the volume of slurry (1001) via the fine slurry outlet (1110) and to separate suspended solids and flotation liquid from the output slurry (1701) to form a solids portion (1702) and a liquid portion (1703).
B03D 1/02 - Procédés de flottation par formation d'écume
B03B 7/00 - Combinaisons de procédés ou d'appareils opérant par voie humide, avec d'autres procédés ou appareils, p.ex. pour la préparation des minerais ou cendres
A flotation arrangement (100) and method. The arrangement comprises mill (2) arranged for producing slurry, a flotation section (12) comprising at least one flotation unit (1) provided with a feed system (3), an overflow means (4), and an outlet (5), as well as a fluid bed device comprising de vices for creating a fluid bed and/or a froth device comprising devices for creating a froth layer, particles being fed for interaction with the froth layer. The flotation section (12) is followed by a first classification unit (6), the flotation section (12) is arranged for receiving, from the mill (2), slurry feed from which particles under 300 µm are not removed, and the flotation section (12) is operably connected to an inlet (7) of the first classification unit for classification of said under flow exiting from the flotation section (12) into a fine underflow stream (F) and a coarse underflow stream.
B03D 1/02 - Procédés de flottation par formation d'écume
B03B 7/00 - Combinaisons de procédés ou d'appareils opérant par voie humide, avec d'autres procédés ou appareils, p.ex. pour la préparation des minerais ou cendres
Disclosed are a flotation arrangement, a flotation plant and a method related thereto. The flotation arrangement comprises a first flotation section (1) and a second flotation section (2). The arrangement further comprises a dewatering system (3) for separating solid material and liquid to obtain a dewatered solid material stream (12) and a separated liquid stream (22), and said dewatering system is arranged before the second flotation section (2) and connected thereto for leading said dewatered solid material stream (12) to the second flotation section (2) and the arrangement comprises recovery means (23) for recovering the separated liquid stream (22).
It relates to pressure filter (100), and more particularly to horizontal plate pressure filter (100), in which filter chambers are formed between horizontally extending superimposed filter plates (101). Such filters are also known as tower presses. A cloth tracking system (107) for monitoring and correcting the position of the filter cloth (104) as is moves through the pressure filter (100) is provided. The cloth tracking system (107) includes at least a sensor for measuring the position of the edge of the filter cloth (104) and a controllable tracking roller for adjusting the position of the filter cloth (104) based on the measurement.
B01D 33/048 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à bandes filtrantes ou analogues supportées par des cylindres perméables pour la filtration avec des bandes filtrantes sans fin
B01D 33/056 - Structure des bandes filtrantes ou des courroies de support, p.ex. dispositifs pour les centrer, les monter ou assurer leur étanchéité
B01D 33/46 - Régénération de la substance filtrante dans le filtre par des racloirs, des brosses ou des dispositifs analogues agissant sur le côté de l'élément filtrant où se trouve le gâteau
B01D 33/50 - Rinçage par chasse, p.ex. rafale ascendante d'air à contre-courant avec des bras, des collecteurs de lavage ou des ajutages à contre-courant
The present invention relates to pressure filters, and more particularly to horizontal plate pressure filters, in which filter chambers are formed between horizontally extending superimposed filter plates. Such filters are also known as tower presses. At least one moveable pressing plate arranged above or below the filter plates comprises an inclinometer which measures the inclination of the pressing plate during movement. An alarm is activated if the inclination exceeds a threshold in order to prevent damage to the system.
The present disclosure relates to pressure filters, and more particularly to horizontal plate pressure filters, in which filter chambers are formed between horizontally extending superimposed filter plates. Such filters are also known as tower presses. A displacement sensor is provided to measure the displacement of a lower pressing plate before, during and after pressurisation of the filter chambers. If the change in displacement during or after pressurisation exceeds a threshold, an alarm or notification is provided.
G01B 7/04 - Dispositions pour la mesure caractérisées par l'utilisation de techniques électriques ou magnétiques pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
G01B 11/04 - Dispositions pour la mesure caractérisées par l'utilisation de techniques optiques pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
G01B 21/06 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
G01B 13/04 - Dispositions pour la mesure caractérisées par l'utilisation de fluides pour mesurer la longueur, la largeur ou l'épaisseur spécialement adaptés pour mesurer la longueur ou la largeur d'objets en mouvement
A flotation arrangement (100) is provided. The flotation unit comprises - a fluid bed device comprising devices for creating a fluid bed, and/or - a froth device comprising devices for creating a froth layer, wherein particles are fed for interaction with the froth layer. The mill (2) is connected to flotation unit (1) for receiving a product stream from the mill. The mill (2) comprises - a grinding structure (3) arranged to focus grinding energy to particles of product stream, and - a classification structure (4) at least partly integrated with the grinding structure (3) and arranged for guiding the particles to confront the grinding structure based on the particle size such that the coarsest end of the particle size distribution is grinded more than the finest end of the particle size distribution.
B03D 1/02 - Procédés de flottation par formation d'écume
B02C 13/13 - Désagrégation par appareils à batteurs rotatifs à axe horizontal, combinés avec des dispositifs de tamisage, p.ex. pour fabriquer du combustible pulvérulent
73.
FLOTATION ARRANGEMENT, PLANT AND METHOD RELATED THERETO
Disclosed is a flotation arrangement, a flotation plant and a method related thereto. The flotation arrangement comprising a first flotation section, a second flotation section, and a third flotation section. The underflow from a first flotation unit (1) is arranged to be led to a second flotation unit (2), and the third flotation unit (3) is connected for receiving underflow from the second flotation unit (2).
Presented is a thermocouple unit (8) and a device (1) for measuring temperature in a rotary kiln (2). The thermocouple unit (8) comprises a bundle of parallel thermocouples with each thermocouple (14) having a temperature sensitive tip (15). Each thermocouple (14) in the bundle of parallel thermocouples being selectively functionally connectable to a temperature determining device (12) by a contact means (13), and each thermocouple (14) in the bundle of parallel thermocouples having a longitudinal extension that is different from the longitudinal extension of the other thermocouples (14) in the bundle of parallel thermocouples so that the temperature sensitive tip (15) of each thermocouple (14) in the bundle of parallel thermocouples is in a longitudinal direction A of the bundle of parallel thermocouples located at a different location than the temperature sensitive tip (15) of the other thermocouples (14) in the bundle of parallel thermocouples.
A method for removing soluble and/or colloidal Si-compounds from an aqueous stream (100, 200a, 300a, 400b) of a minerals processing plant is provided. The method comprises: adding coagulant(s) and/or flocculant(s) and/or flotation chemical(s) to the aqueous stream (100, 200a, 300a, 400b) in order to facilitate formation of flocs comprising at least some of the Si- compounds, and in order to form a treated aqueous stream (101, 201, 301, 401), subjecting the treated aqueous stream (101, 201, 301, 401) to cleaning flotation in order to separate at least some of the Si-compounds as a cleaning flotation overflow (103, 203, 303, 403), and removing the cleaning flotation overflow (103, 203, 303, 403). The cleaning flotation comprises gas bubbles, at least 90 % of the gas bubbles having a diameter of from 0,2 to 250 µm.
The disclosure relates to a plant for thermal treatment of solid material to decrease the content of heavy metal elements. The plant comprises one reactor for heating the solid material, which is arranged to have both an oxidizing atmosphere and a reducing atmosphere, and the plant includes a hot gas generator, which is arranged to provide hot gas to the reactor. The disclosure also relates to a method for thermal treatment of solid material and to a method for producing fertilizer precursor.
The disclosure relates to a chute liner (20) for mounting on a shelf (12) of a material transfer chute. The shelf (12) has at least one locking formation aperture (26, 28) formed therein. The chute liner (20) has a base (30) for mounting on the shelf (12). The base (30) has an operatively upper surface (31) that comes into contact with material passing through the chute and an opposed operatively lower surface (33). The base (30) has at least one mounting formation (40, 42) that depends from the operatively lower surface of the base (33) that defines a passage (39) which in use is passed through the locking formation aperture (26, 28) in the shelf (12). The chute liner (20) also has a locking member (50) passed through the passage (39) until it operatively engages the mounting formation (40, 42) to lock the base (30) to the shelf (12).
The present disclosure relates to an outlet piece assembly (1) for a horizontal plate and frame-type filter, such as tower press. The disclosure is based on the idea of providing the outlet piece assembly (1) as having a base (3) removably attachable to a filter press (e.g., to the filter plate (8) or plate frame (9) thereof), and a lid (4) removably fixed to the 5 base (3), such that an internal conduit (2) of the outlet piece assembly running between a vat end and a discharge end is formed between the base (3) and the lid (4). This enables a part of an associated filtrate vat component, such as the vat liner (5), to be received between the base (3) and the lid (4), thereby ensuring secure sealing between these components.
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
The present disclosure concerns a filter plate assembly (1) which is resistant to both wear and deformation caused by creeping, while facilitating maintenance thereof. The disclosure is based on the idea of providing a filtrate vat (4) formed on, and integral with the filter plate (2), in addition to a separate, replaceable vat liner (5). In this way, a rigid 5 structure of the filtrate vat (4) capable of resisting deformation may be achieved, while the vat liner (5) separates the filtrate from the filtrate vat (4) and the associated filter plate (2), providing wear resistance and facilitating maintenance. The present disclosure further concerns the filter plate (2) and the filtrate vat (5).
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
The disclosure relates to a filter plate (1) for a horizontal plate and frame -type filter, such as a tower press. The disclosure is based on the idea of providing a filtrate vat (3) formed on, and integral with a filter plate (1) along with an outlet opening as a gap (2d) on a border (2) delimiting the vat (3) for providing drainage route, and a recessed portion (1c) provided at the outlet opening. In this way, a rigid structure of the filtrate vat (3) capable of resisting deformation may be achieved, and contamination from slurry between the filter plate (1) and a possible vat liner or coating is avoided.
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
A screen medium of a mobile multi-deck screen is tensioned with a tensioner (400). A tensioning link (250) engages and tensions a screen medium (240) on a side thereof by at least two linear tension rods (410), when the screen medium side tensioner (400) is installed to the mobile multi-deck screening device (100). An adjusting member (220) causes for each of the at least two linear tension rods (410), a linear movement tensioning by the tensioning link (250) the side of the screen medium (240) above the two linear tension rods (410). A retractor (510) disengages the tensioning link (250) responsively to untightening the at least two tensioning rods (410). A screen deck (112), a screen (110) and a mobile multi-deck screening device (100) are also disclosed as well as a method for replacing a screen medium (240) using the tensioner (400).
The present disclosure concerns a filter plate frame assembly (1) and a horizontal filter press, in which accidental overpressurization of the filter diaphragm (5) is prevented. A filter plate frame assembly (1) having a separate subframe (4) is provided with a limited vertical travel with respect to the filter frame (2) and the filter plate (3), such that the 5 subframe (4) is allowed to drop away from the filter plate (2) when the filter chamber is opened. This enables a diaphragm (5) to be attached to the subframe (4) such that an escape route is formed for a pressurized medium accidentally introduced between the filter plate (3) and the diaphragm (5). Moreover, the limited travel of the subframe (4) allows the subframe (4) to be pressed towards the filter plate (3) when the filter chamber is closed, 10 thereby allowing normal operation of the diaphragm (5) for squeezing a filter cake.
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/28 - Lixiviation ou lavage des gâteaux de filtration dans le filtre
B01D 25/168 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives le gâteau de filtration étant comprimé, p.ex. par des membranes gonflables
83.
A FILTER DIAPHRAGM FOR A HORIZONTAL PLATE AND FRAME -TYPE FILTER, SUCH AS A TOWER PRESS
A filter diaphragm (1) for a horizontal plate and frame -type filter, such as a tower press, comprising a sheet like body (2) and at least on a filter plate -facing side (1d) thereof, a continuous seal bead (3). The seal bead comprises an inner seal lip (4) on a lateral inside (1a) of the seal bead (3) and an outer seal lip (5) surrounding the inner seal lip (4) on a lateral outside (1b) of the seal bead (1). The outer seal lip (5) is elevated from the inner seal lip (4) in a vertical direction perpendicular to a general plane defined by the diaphragm (1).
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/168 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives le gâteau de filtration étant comprimé, p.ex. par des membranes gonflables
B01D 25/28 - Lixiviation ou lavage des gâteaux de filtration dans le filtre
84.
A FILTER PLATE FRAME ASSEMBLY, A HORIZONTAL FILTER PRESS, SUCH AS A TOWER PRESS, HAVING SUCH A PLATE FRAME ASSEMBLY, AND A METHOD OF REPLACING WORN COMPONENTS OF HORIZONTAL FILTER PRESS
The disclosure is based on the idea of providing a filter plate frame assembly (1) with a filter plate frame (2) and a subframe (7) housed within the frame (2), such that the subframe (7) can be removed from the frame (2) without removing the frame (2) from the filter press. In this way, consumable components can be provided in connection with the subframe (7), which can be easily removed from the filter press. This, in turn, makes replacement of worn components faster, as the whole frame does not need to be removed from the filter press. The present disclosure further concerns an associated horizontal filter press and a method of replacing worn components of such a filter press.
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
B01D 25/28 - Lixiviation ou lavage des gâteaux de filtration dans le filtre
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/168 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives le gâteau de filtration étant comprimé, p.ex. par des membranes gonflables
85.
A FILTER DIAPHRAGM, A PLATE FRAME, A PLATE FRAME ASSEMBLY, A ROUTING OR MILLING TOOL SET, AND A HORIZONTAL FILTER PRESS
The disclosure relates to a filter diaphragm (1), a plate frame (4) and a plate frame assembly. The disclosure is based on the idea of providing the both the diaphragm bead (3) and the frame groove (5) with an asymmetric cross-sectional profile, that resists torsion of the bead (3) within the groove (5) caused by a force exerted on the diaphragm (1) during inflation thereof and by the weight of the diaphragm itself, while providing sufficient sealing capabilities. This is achieved by providing, on the cross-sectional profile of the bead (3), a distal portion (3a) extending further from an asymmetry axis (A3) on a lateral outside (1b) thereof. Moreover, the cross-sectional shape of the frame's (4) groove (5) receiving the diaphragm's (1) bead (3) is shaped correspondingly. The disclosure further concern's and a routing or milling tool set for machining such a groove.
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
A SEALING STRIP FOR SEALING ADJACENT FILTER PLATE ASSEMBLIES OF A FILTER PRESS, SUCH AS A TOWER PRESS, A FILTER FRAME, A FILTER FRAME ASSEMBLY AND A FILTER APPARATUS
The disclosure relates to a sealing strip (1) for sealing adjacent filter plate assemblies of a horizontal filter press. The disclosure is based on the idea of providing the sealing strip (1) with a stiffener (6) at a base portion (3) of the sealing strip (1), positioned such that it intersects with a line running through a ridge (4a) provided on a distal portion (4) of the sealing strip (1) and extending along a vertical direction, perpendicular to both the length direction and the width direction of the sealing strip, as seen along the cross-sectional profile of the sealing strip (1). The disclosure further relates to a filter frame, a filter frame assembly and a filter apparatus having such a sealing strip.
B01D 25/127 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag
B01D 25/28 - Lixiviation ou lavage des gâteaux de filtration dans le filtre
B01D 25/168 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives le gâteau de filtration étant comprimé, p.ex. par des membranes gonflables
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
F16J 15/02 - Joints d'étanchéité entre surfaces immobiles entre elles
F16J 15/12 - Joints d'étanchéité entre surfaces immobiles entre elles avec garniture solide comprimée entre les surfaces à joindre par garniture non métallique par renforcement ou couverture métallique
87.
AN OUTLET COVER FOR A RECESSED PLATE -TYPE FILTER, A FILTER PLATE, A FILTER PLATE ASSEMBLY AND A RECESSED PLATE -TYPE FILTER
The disclosure concerns an outlet cover (1) with a first attachment pin (3) fixed with respect to the outlet cover and having a radially extendable portion (3b) deformable upon by a radial force exerted from a hollow inside of the first attachment pin. The radially deformable portion (3b) prevents the first attachment pin (3) from being withdrawn from an associated attachment hole (10a), while allowing the first attachment pin (3) to be compressed further into the associated attachment hole (10a), thereby preventing a securing element (15) from stripping any retaining surface, and thus increasing the longevity of the outlet cover (1). An associated filter plate (6), filter plate assembly and a filter are also concerned.
B01D 25/164 - Presses à chambre et à plaque, c. à d. dans lesquelles les bords latéraux des éléments filtrants sont calés entre les deux plaques filtrantes successives
88.
A PIPE FLANGE COUPLING DEVICE, A PIPE ASSEMBLY AND A TOP-SUBMERGED-LANCE (TSL) SYSTEM
The disclosure is based on the idea of providing a pipe flange coupling device (3), which is attachable in connection with a first pipe (1) of a first pipe flange (1a), having pawls (6) engaging a second pipe flange (2a) of a second pipe (2). The pawls (6) are fixed to a spindle (5) retractable by a translation arrangement so as to pull the second pipe flange (2a) against the first pipe flange (1a). More particularly, the translation arrangement is configured such that, when the flanged pipes (1, 2) are coupled and the pawls (6) are retracted, a force exerted on the pawls (6) towards the extended position is transmitted via the translation arrangement against a mechanical stopper. Moreover, the translation arrangement is biased such that the translation arrangement must work against this bias in order to extend the pawls and release the flanged pipes (1, 2) coupled to each other.
F16L 23/036 - Raccords à brides les brides étant raccordées par des organes tendus axialement caractérisés par les moyens de mise en tension, p.ex. colliers de serrage en forme de C ou boulons spécialement adaptés
F16L 23/02 - Raccords à brides les brides étant raccordées par des organes tendus axialement
The disclosure relates to a filter diaphragm (1) for a filter plate assembly (10) of a recessed plate -type filter, such as a filter press or a tower press. The diaphragm (1) comprises a sheet-like body (2) having a flexible structure, and, at least on a side of the body (2), a plurality of distinct attachment studs (3) to be inserted into corresponding distinct attachment holes (9) of a respective filter plate (5) for attaching the diaphragm (1) to the filter plate (5). The attachment studs (3) are arranged along a sealing region (4) extending along a periphery of the filter diaphragm (1) and extend in a direction perpendicular to the diaphragm body (2). The attachment studs (3) are equipped with an opening (3a) extending through the filter diaphragm (1), between the opposing sides thereof. A diaphragm filter plate (5) and -assembly (10), and filter are also concerned.
B01D 25/133 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre avec au moins une bande filtrante mobile aménagée de façon à être calée entre les plaques de presse ou entre une plaque et un cadre pendant la filtration, p.ex. bandes filtrantes sans fin pliées en zig-zag le gâteau de filtration étant comprimé, p.ex. par des membranes gonflables
B01D 25/12 - Filtres-presses, c. à d. du type à plaque ou du type à plaque et cadre
90.
GRATE SUPPORT ELEMENT AND OPEN-ENDED GRINDING MILL
A grate support element (1) for supporting a grate of an open-ended grinding mill (2) comprises an outer perimeter section(3), an inner section (4), and at least one vane (5) extending between the outer perimeter section (3) and the inner section (4). The grate support element (1) further comprises a mounting flange (30) at the outer perimeter (3) of the grate support element configured to enable mounting of the grate support element (1) to a shell (11) of the grinding mill (2) at an area of the shell not intruding to the grinding mill volume.The mounting flange extends outwards from the middle (12) of the cross section of the grinding mill (2).
B02C 17/18 - Désagrégation au tonneau, c. à d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets - Parties constitutives
91.
GRATE PANEL, GRATE PANEL SUPPORT ELEMENT, ARRANGEMENT AT GRINDING MILL DISCHARGE END AND METHOD FOR DISASSEMBLING DISCHARGE END OF GRINDING MILL
A grate panel (20) for an open-ended grinding mill (2) comprises a sector or a part of a sector of a grate (25) of an open-ended grinding mill (2) and at least one groove portion (33) configured to open towards the grinding mill volume (28) side of the grate panel (20), when the grate panel is mounted onto the grinding mill (2). The groove portion (33) is provided with at least one through hole opening (38) for a mounting member.
B02C 17/18 - Désagrégation au tonneau, c. à d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets - Parties constitutives
A grate support element (1) for an open-ended grinding mill (2) comprises an outer perimeter section (3), an inner section (4), and at least one vane (5) extending between the outer perimeter section (3) and the inner section (4) of the grate support element (1). The vane (5) is angled with respect to a plane (7) defined by the outer edge (8) of the outer perimeter section (3) in such a manner that the inner section (4) is configured to be provided outwards from the plane (7) defined by the outer edge (8) of the outer perimeter section (3), when the grate support element (1) is mounted to the open-ended grinding mill (2).
B02C 17/18 - Désagrégation au tonneau, c. à d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets - Parties constitutives
93.
A METHOD OF MAINTAINING GRATE OF GRINDING MILL AND MAINTENANCE ARRANGEMENT
A method of maintaining a grate (25) of a grinding mill (2), the method comprising the steps of gripping (110) a worn rotable segment (29) comprising at least one grate support element (1) provided with a mounting flange (30) at the outer perimeter of the grate support element (1) configured to mount the grate support element to a shell (11) of the grinding mill (2), and at least one grate panel (20) attached to the grate support element (21). The method further comprises unmounting (120), from the outside of the grinding mill (2), the mounting flange (30) of the grate support element (1) from the shell (11) of the grinding mill (2), and lifting the unmounted worn rotable segment (29) from the grinding mill (2).
B02C 17/18 - Désagrégation au tonneau, c. à d. par des appareils constitués par une cuve où les produits à désagréger sont chargés, avec ou sans éléments particuliers de désagrégation tels que billes ou boulets - Parties constitutives
B02C 23/16 - Séparation ou triage de matériaux, associé au broyage ou à la désagrégation au moyen d'un séparateur délimitant la fin de la zone de broyage ou de désagrégation, p.ex. au moyen d'un tamis empêchant la sortie des matériaux hors dimension
B07B 1/46 - Eléments de structure constitutifs des tamis en général; Nettoyage ou chauffage des tamis
The invention relates to a method and an arrangement for removing amine(s) from a thickener overflow of a mineral processing plant. The method comprises measuring pH of the thickener overflow (101, 201, 301, 401, 501, 601, 701, 801) and adjusting the pH to be at least 10 in order to facilitate precipitation of at least some of the amine(s), supplying the thickener overflow (101, 201, 301, 401, 501, 601, 701, 801) to a mixing unit (105, 205, 305, 405, 505, 605, 705, 805) and adding coagulant(s) and/or flocculant(s) and/or adsorbent(s) to the thickener overflow (101, 201, 301, 401, 501, 601, 701, 801) in the mixing unit (105, 205, 305, 405, 505, 605, 705, 805) in order to facilitate formation of flocs comprising amine(s) and in order to form a treated thickener overflow (106, 206, 306, 406, 506, 606, 706, 806), supplying the treated thickener overflow (106, 206, 306, 406, 506, 606, 706, 806) to a cleaning flotation unit (102, 202, 302, 402, 502, 602, 702, 802) and subjecting the treated thickener overflow (106, 206, 306, 406, 06, 606, 706, 806) to cleaning flotation in order to separate at least some of the amine(s) as a cleaning flotation overflow (103, 203, 303, 403, 503, 603, 703, 803) and in order to form a residual process water as a cleaning flotation underflow (104, 204, 304, 404, 504, 604, 704, 804), and removing the cleaning flotation overflow (103, 203, 303, 403, 503, 603, 703, 803). The cleaning flotation comprises gas bubbles, at least 90 % of the gas bubbles having a diameter of from 0,2 to 250 µm.
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c. à d. de la production, de la purification ou du traitement de métaux, p.ex. déchets de procédés électrolytiques
The invention relates to a method and an arrangement for removing amine(s) from a thickener overflow of a mineral processing plant. The method comprises measuring pH of the thickener overflow (101, 201, 301, 401, 501, 601, 701, 801) and adjusting the pH to be at least 10 in order to facilitate precipitation of at least some of the amine(s), supplying the thickener overflow (101, 201, 301, 401, 501, 601, 701, 801) to a cleaning flotation unit (102, 202, 302, 402, 502, 602, 702, 802) and subjecting the thickener overflow (101, 201, 301, 401, 501, 601, 701, 801) to cleaning flotation in order to separate at least some of the amine(s) as a cleaning flotation overflow (103, 203, 303, 403, 503, 603, 703, 803) and in order to form a residual process water as a cleaning flotation underflow (104, 204, 304, 404, 504, 604, 704, 804), and removing the cleaning flotation overflow (103, 203, 303, 403, 03, 603, 703, 803). The cleaning flotation comprises gas bubbles, at least 90 % of the gas bubbles having a diameter of from 0,2 to 250 µm. The method is free of all of the following: a coagulant, a flocculant, an adsorbent and an additional flotation chemical.
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c. à d. de la production, de la purification ou du traitement de métaux, p.ex. déchets de procédés électrolytiques
The invention relates to a method and an arrangement for removing amine(s) from a thickener overflow of a mineral processing plant. The method comprises supplying the thickener overflow (101, 201, 301, 401) to an electrocoagulation unit (120, 220, 320, 420, 520, 620) and subjecting the thickener overflow to electrocoagulation in order to separate at least some of the amine(s) as an electrocoagulation overflow (122, 222, 322, 422, 522, 622) and in order to form a residual process water as an electrocoagulation underflow (121, 221, 321, 421, 521, 621), and removing the electrocoagulation overflow (122, 222, 322, 422, 522, 622). The method is free of all of the following: a coagulant, a flocculant, an adsorbent and an additional flotation chemical.
C02F 103/10 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de carrières ou d'activités minières
C02F 103/16 - Nature de l'eau, des eaux résiduaires ou des eaux ou boues d'égout à traiter provenant de procédés métallurgiques, c. à d. de la production, de la purification ou du traitement de métaux, p.ex. déchets de procédés électrolytiques
97.
PROCESS AND PLANT FOR THERMAL DECOMPOSITION OF ALUMINIUM CHLORIDE HYDRATE INTO ALUMINIUM OXIDE
The invention relates to a process and its relating plant for thermal conversion of aluminum chloride hydrate into aluminum oxide and gaseous hydrogen chloride. In a first step,aluminum chloride hydrate is fed into a decomposition reactor where it is heated to a temperature between 120 and 400 °C. Afterwards, the partially decomposed aluminum chloride hydrate is finally calcined to aluminum oxide at a temperature between 850 and 1200 °C in a second reactor. The aluminum chloride hydrate is admixed with aluminum oxide in an intensive mixer with a mass ratio between 1:1 and 10:1 aluminum chloride hydrate to aluminum oxide for using a fluidized bed reactor as a decomposition reactor.
brevets
