The invention relates to a process for manufacturing a casting of a hypereutectic high chromium cast iron (“HCCI”) including: forming a melt of a molten hypereutectic high chromium cast iron and a carbide modifier, and forming a solid casting of the hypereutectic high chromium cast iron. The invention further relates to a carbide-modified hypereutectic high chromium cast iron (“HCCI”) that includes a dispersion of a primary carbide phase in a ferrous matrix, with the primary carbide phase including a carbide modifier phase within the primary carbide phase that acted as a nucleation agent for the primary carbide phase.
A complex carbide for mining and mineral processing applications that are subject to severe additional metal, with the additional metal being a transition metal.
G16C 60/00 - Science informatique des matériaux, c. à d. TIC spécialement adaptées à la recherche des propriétés physiques ou chimiques de matériaux ou de phénomènes associés à leur conception, synthèse, traitement, caractérisation ou utilisation
Disclosed is side liner for a centrifugal pump. The side liner comprises an aperture for access to a central chamber of the centrifugal pump through the side liner. The side liner also comprises a plurality of grooves on a surface contacting material pumped by the centrifugal pump, the plurality of grooves extending radially from an inner edge of the surface, located near the aperture, to an outer edge.
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
4.
Pump Apparatus For Reducing The Size Of Suspended Solids Before Pumping
The present invention relates to a pump apparatus for reducing the size of suspended solids in a fluid prior to pumping the fluid through a pump, comprising: a processing chamber having an inner side wall, the inner side wall comprising one or more formations adapted to reduce the size of suspended solids in the fluid; an inlet to the processing chamber having a diameter D1 for receiving the fluid; an outlet from the processing chamber having a diameter D2 for conveying the fluid to the pump; and a central axis extending from a center of the inlet and a center of the outlet, wherein the one or more formations extend in a general direction from the inlet to the outlet, and wherein the processing chamber is frustoconical in shape and D1>D2.
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
The present invention relates to a manganese steel alloy having a heat-treated microstructure comprising: (a) an alloy composition of: manganese: 12 to 30 wt %; carbon: 1.0 to 2.0 wt %; chromium: 4.5 to 7.0 wt %; molybdenum: 0.0 to 3.0 wt %; and iron and impurities: balance, and (b) an austenitic ferrous matrix; and (c) formed refractory particles dispersed throughout the austenitic ferrous matrix such that ≥10% of the formed refractory particles are located within crystallites of the austenitic ferrous matrix, as opposed to being located at grain boundaries between the crystallites, wherein the formed refractory particles are compounds of carbides and/or borides and/or nitrides of any one or more of chromium, zirconium, hafnium, tantalum, molybdenum, and tungsten. The invention further relates to equipment adapted for high-stress gouging abrasion that includes the manganese steel alloy of the invention, and a method of producing the manganese steel alloy of the invention.
A sensing device for a centrifugal slurry pump having an impeller which rotates about an axis, the centrifugal slurry pump including a side liner and a main liner housed within an outer casing of the pump, the sensing device comprising; a body portion arranged to pass through the outer casing, wherein the body portion includes a sensor biased towards contact with either the side liner or the main liner of the pump.
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 15/02 - Arrêt de pompes ou de soupapes en cas de fonctionnement indésirable
F04D 17/16 - Pompes centrifuges pour déplacement sans compression notable
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
G01N 29/07 - Analyse de solides en mesurant la vitesse de propagation ou le temps de propagation des ondes acoustiques
G01N 29/22 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonores; Visualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet - Détails
A pump side part for use with a centrifugal slurry pump for pumping a fluid mixture containing particulate matter, the pump side part comprising a main body having a main axis, the main body including a side wall section which extends laterally with respect to the main axis and has opposite facing first and second sides, a plurality of formations on a surface of the second side including an inner formation and an outer formation in spaced relation to the inner formation, the formations being configured so that in use the formations generate a flow of the fluid mixture across the surface which detaches from the surface the particulate matter adjacent thereto.
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
An end-use casting of a high chromium white iron, i.e. a casting that has been heat-treated, includes a ferrous matrix and Oat least two different chromium carbides dispersed in the matrix, with at least one of the chromium carbides including a transformation product of an as-cast chromium carbide.
The present invention relates to methods for dewatering tailings and systems for performing same. In certain aspects, the invention relates to methods of producing a dewatered tailings residue or a stackable tailings residue, comprising subjecting tailings to hydrocyclonic separation to produce one or more partially dewatered underflows and a final water-rich overflow; separating the final water-rich overflow, by centrifuging, into a recovered water stream and a low-water residue; and mixing together the low-water residue and at least part of the one or more partially dewatered underflows to produce a dewatered tailings residue or a stackable tailings residue.
B04C 9/00 - Combinaisons avec d'autres dispositifs, p.ex. avec des ventilateurs
B04B 1/00 - Centrifugeurs à tambours rotatifs à parois pleines pour la séparation de mélanges essentiellement liquides contenant ou non des particules solides
B01F 3/12 - Mélange, p.ex. dispersion, émulsion, selon les phases à mélanger de liquides avec des solides
10.
Composite metal component and method of producing same
A method of producing a composite metal article and/or a composite metal wear component. The method including the following steps: casting a component composed of a host metal composition wherein one or more cavities are formed in the component during casting; inserting a wear resistant composition in solid form into the one or more cavities formed in the component composed of the host metal composition; and, bonding the wear resistant composition into the one or more cavities of the component composed of the host metal composition to form the composite metal article.
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
A valve for use in controlling fluid flow in a flotation processing circuit is described, the valve including: a valve body; an inlet to the valve body; an outlet from the valve body; a member which is arranged in use to control fluid flow from the inlet to the outlet; and wherein the valve also comprises a bypass opening which facilitates fluid flow in one or both of two modes: in the first mode from the inlet to the bypass opening; and in the second mode from the bypass opening to the outlet.
F16K 11/04 - Soupapes ou clapets à voies multiples, p.ex. clapets mélangeurs; Raccords de tuyauteries comportant de tels clapets ou soupapes; Aménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des soupapes ou des clapets
12.
Distributor device for cyclone separator apparatus
A distributor device for use with cyclone separator apparatus, the distributor device comprising, a main body having a distribution chamber therein, the main body including a back wall and a front wall which at least in part enclose the distribution chamber, the main body including a peripheral region between the front and back walls, the device comprising a plurality of delivery outlets arranged in spaced apart relation around the peripheral region the front wall having an inner face and a back wall having an inner face, the device further including a feed inlet to the distribution chamber in the front wall having a main axis extending in a direction between the front and back walls; the back wall having an inner face which includes main face section and a protrusion which extends from the main face section towards the inner face of the front wall.
Component for use in mineral processing are described including a substantially electrically conductive layer of elastomeric material; and two or more measurement points in the form of electrical connections are provided at different points of the electrically conductive layer.
F16L 57/06 - Protection des tuyaux ou d'objets de forme similaire contre les dommages ou les usures internes ou externes contre l'usure
F16L 11/12 - Manches, c. à d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles avec agencements pour usages particuliers, p.ex. spécialement profilés, avec couche protectrice, chauffés, conducteurs d'électricité
Disclosed is a pump system comprising a pump and a sensor. The pump comprises a pump casing defining a pump chamber, an inlet for receipt of flowable material into the chamber, an outlet for discharge of flowable material from the chamber, and an impeller disposed within the pump chamber to accelerate flowable material within the pump chamber. The pump also comprises a transition region extending between an inner peripheral surface of the pump chamber and an inner peripheral surface of the outlet, the transition region configured in use to divert flowable material accelerated by the impeller to the outlet. The vibration sensor is mounted to the pump casing and arranged in use to detect vibration of the transition region.
A casting of a hypereutectic white iron that, in an as-cast form of the casting, has a microstructure that includes a ferrous matrix that contains 12-20 wt. % chromium in solution in the matrix, eutectic chromium carbides dispersed in the matrix, primary chromium carbides dispersed in the matrix, and optionally secondary carbides dispersed in the matrix. The eutectic carbides are 15-25 vol. % of the casting and the primary carbides are 25-35 vol. % of the casting. When present, the secondary carbides are up to 6 vol. % of the casting.
There is provided a method of forming a hydrocyclone body including assembling sintered alumina blocks (27) against a form (37), holding the blocks (27) in place with tape (40), locating a hydrocyclone housing over the blocks (27), filling a space between them with settable epoxy/ceramic composite to secure the blocks (27) to the casing, and removing the form (37), resulting in a substantially continuous, wear resistant surface.
B01D 45/12 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge
B04C 5/085 - Structure des appareils comportant des dispositifs résistants à l'usure
B01D 45/16 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par le mouvement hélicoïdal du courant gazeux
B29C 65/70 - Assemblage d'éléments préformés; Appareils à cet effet par moulage
B04C 5/13 - Structure du guide pour la phase légère, p.ex. pour faire sortir la matière en spirale ou en la dispersant formé comme un capteur de tourbillon, et s'étendant à l'intérieur de la chambre du tourbillon; Evacuation du viseur de tourbillon autrement que par le haut du cyclone; Dispositifs de commande de l'évacuation de la phase légère
A47L 9/16 - Agencement ou disposition des cyclones ou autres dispositifs à action centrifuge
B29K 63/00 - Utilisation de résines époxy comme matière de moulage
A hydraulically powered rotary actuator is described including: a hydraulic linear actuator which is moveable in both directions between a retracted position and an extended position; a clutch device which is operable between an engaged condition and a disengaged condition; and a rotary output member; wherein the linear actuator is coupled to the rotary output member by way of the clutch.
F15B 15/06 - Schéma mécanique de montage caractérisé par les moyens transformant le mouvement de l'élément entraîné par le fluide en mouvement de l'organe terminal qui est actionné pour la transformation mécanique d'un mouvement rectiligne en un mouvement non rectiligne
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 15/00 - Commande, p.ex.régulation de pompes, d'installations ou de systèmes de pompage
F04D 29/62 - Montage; Assemblage; Démontage des pompes radiales ou hélicocentrifuges
F16H 25/14 - Transmissions comportant essentiellement et uniquement des systèmes came et galet ou des mécanismes à vis et écrous pour convertir un mouvement rotatif en mouvement alternatif et vice versa avec mouvement alternatif perpendiculaire à l'axe de rotation
F16H 35/18 - Dispositifs tournants pour organes que l'on peut mettre en rotation, p.ex. arbres
A valve assembly may be used with a container for holding a fluid including a liquid and a gas. The valve assembly may have a chamber, inlet, and outlet. The chamber may provide an exhaust route for fluid from the container to the outlet. A check valve including a sealing member with a through hole may move between an open and closed position. In the open position, check valve may provide a main flow route for fluid leaving the internal chamber. The through hole may provide a limited return flow route for gas returning to the internal chamber when the check valve is closed. The valve assembly may include a breather check valve movable between a closed and open position in which it provides fluid communication between the exhaust route and externally of the housing. A filter may communicate with the breather check valve.
F16K 31/34 - Moyens de fonctionnement; Dispositifs de retour à la position de repos actionnés par un fluide et actionnés par un flotteur commandant une soupape-pilote commandant à son tour le dispositif obturateur
F16K 31/22 - Moyens de fonctionnement; Dispositifs de retour à la position de repos actionnés par un fluide et actionnés par un flotteur commandant une soupape de levage le flotteur étant rigidement lié à la soupape
F16K 15/06 - Soupapes, clapets ou valves de retenue à corps de soupapes rigides guidés par tige-guide
F16K 24/04 - Dispositifs, p.ex. soupapes, pour la mise à l'air libre ou l'aération d'enceintes pour la mise à l'air libre uniquement
B60K 15/035 - Réservoirs de carburant caractérisés par de moyens d'aération
A rotary part for a pump and related systems and methods are provided. The rotary part can be rotated in a forward direction about a rotation axis X-X and may include shroud(s) and expelling vane(s). The expelling vane(s) may have a leading side facing in the forward direction characterised in that the leading side includes a forwardly inclined section which is inclined forwardly.
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
A pump assembly and components therefor including an impeller which has flow inducer elements on an inner surface of a front shroud thereof, a flow directing device or strainer having passageways for delivering material to the impeller and at least one flow circulating passageway and a pump casing having an intake section with flow distribution vanes in the region of a feed opening adjacent the intake section.
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
B01F 7/22 - Mélangeurs à agitateurs tournant dans des récipients fixes; Pétrins avec agitateurs tournant autour d'un axe vertical à hélices
In a centrifugal scroll screen apparatus there is provided a scroll assembly (20) driven by a scroll assembly drive shaft (25) and being connected to the scroll assembly by an axial adjuster comprising a shaft cam portion (92) and a scroll portion (96) each having a respective camming surface (94) whereby relative rotation of the scroll portion (96) and the shaft portion (92) axially adjusts the proximity of the vanes to a coaxial conical screening surface, and a locking ring (97) selectively operable to rotationally secure the scroll portion (96) and the shaft portion (92).
B04B 3/04 - Centrifugeurs à tambours rotatifs dans lesquels les particules ou les corps solides sont séparés par la force centrifuge et simultanément par tamisage ou filtration évacuant du tambour les particules solides par une vis transporteuse coaxiale à l'axe du tambour et tournant par rapport au tambour
B04B 11/02 - Alimentation ou déchargement en continu; Systèmes de commande à cet effet
B04B 9/08 - Agencements des mécanismes de transmission
G01N 1/20 - Dispositifs pour prélever des échantillons à l'état liquide ou fluide pour matériau coulant ou s'éboulant
In a centrifugal screening apparatus wherein a housing (10, 11) mounts a screen assembly (12) and a scroll assembly (20) to be differentially rotated about the machine axis, there is provided an inlet assembly (30) having an inlet body (31) defining an annular inlet space (32) coaxial with and opening in to an open apical end of the screen assembly (12) and a material supply conduit (35) delivering material to be screened to the annular space (32) and being aligned in a tangent to the annular space to deliver material to the screen assembly (12) substantially in the direction of rotation of the screen assembly (12).
B04B 3/04 - Centrifugeurs à tambours rotatifs dans lesquels les particules ou les corps solides sont séparés par la force centrifuge et simultanément par tamisage ou filtration évacuant du tambour les particules solides par une vis transporteuse coaxiale à l'axe du tambour et tournant par rapport au tambour
A pump liner for a centrifugal pump wherein the pump liner comprises a main pumping chamber, an inlet to the main pumping chamber and a discharge outlet extending from the main pumping chamber, wherein the pump liner is formed from at least two elastomeric compounds including a first compound and a second compound, the first compound having a different hardness to the second compound and wherein the liner is composed of the second compound at locations which in use are subject to erosive, impingement and/or directional wear.
B29C 43/20 - Fabrication d'objets multicouches ou polychromes
B29C 43/00 - Moulage par pressage, c. à d. en appliquant une pression externe pour faire couler la matière à mouler; Appareils à cet effet
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
B29K 21/00 - Utilisation de caoutchouc non spécifié ou élastomères non spécifiés comme matière de moulage
An impeller which can be rotated about a rotation axis X-X, the impeller comprising a shroud having opposed inner and outer faces and an outer peripheral edge portion remote from the rotation axis, a plurality of pumping vanes projecting from the inner face of the shroud, a plurality of auxiliary vanes projecting from the outer face of the shroud, one or more of the auxiliary vanes having an inner edge which is closer to the rotation axis and an outer edge which is closer to the peripheral edge portion of the shroud, the auxiliary vanes extending in a direction between the rotation axis towards the outer peripheral edge portion of the shroud, one or more of the auxiliary vanes having a leading side and a trailing side each of which extends from the inner edge to the outer edge with an upper side spaced from the outer face of the shroud, and at least one projection extending from the trailing side of one or more of the said auxiliary vanes, and preferably each auxiliary vane.
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
A pump intake device comprising a main body which includes a side wall section having an inner side and an outer side, an intake section extending from the outer side of the side wall section and an intake passage extending through the intake section, the intake passage having an inner surface and an entry end and an exit end with a central axis extending between the entry and exit ends, a first portion of the inner surface having one or more first guides thereon for directing fluid passing through the intake passage so that in use said fluid leaves the exit end at the first portion with an exit angle which is inclined relative to the central axis.
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F01D 25/24 - Carcasses d'enveloppe; Eléments de la carcasse, p.ex. diaphragmes, fixations
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
A screen assembly (10) for a horizontal screen machine has a screen body (12) diverging axially from an inlet end (13). A base wall portion (15) mounts the screen body (12) for rotation and includes eight substantially radial webs (16). An annular wall portion (21) is located adjacent the inner end (13) and includes drain passages (24) adapted to drain discontinuities in a bonding layer comprising a moisture cure polyurethane sealant/adhesive overlying the annular wall portion (21). Wear resistant tungsten carbide elements (26) include a plurality of apertures (27) extending through a wear face to a bonding face. Voids (32) in the discontinuous bonding layer (31) provide fluid interconnection between the apertures (27) and the drain passages (24). A replaceable screen member (33) is releasably secured at an inner ring frame (22) and an outer ring frame (36) of the screen body (12).
B01D 33/067 - Structure des tambours filtrants, p.ex. dispositions pour le montage ou pour l'étanchéité
B04B 3/04 - Centrifugeurs à tambours rotatifs dans lesquels les particules ou les corps solides sont séparés par la force centrifuge et simultanément par tamisage ou filtration évacuant du tambour les particules solides par une vis transporteuse coaxiale à l'axe du tambour et tournant par rapport au tambour
B04B 7/18 - Tambours rotatifs formés ou revêtus d'éléments filtrants ou à tamis
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 33/72 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration comportant des dispositifs d'alimentation ou d'évacuation d'alimentation
A valve assembly, that may be used on and/or retrofitted to various float valves, comprising: a relief valve configured to be movable between a closed position and an open position allowing pressure from a container to be relieved through at least one relief hole; a breather float configured to be movable between an open position allowing gas to pass through at least one breather hole and a closed position that substantially prevents liquid from passing through the at least one breather hole; and at least one of: a check valve that is movable between a closed position and an open position allowing gas to be relieved from the container when the container is being filled with liquid; and a breather check valve that is movable between a closed position and an open position allowing filter gas to enter the container when liquid is being removed from the container.
F16K 24/04 - Dispositifs, p.ex. soupapes, pour la mise à l'air libre ou l'aération d'enceintes pour la mise à l'air libre uniquement
B60K 15/035 - Réservoirs de carburant caractérisés par de moyens d'aération
F02M 37/00 - Appareils ou systèmes pour transférer le combustible liquide des réservoirs de stockage aux carburateurs ou aux injecteurs; Dispositions d'épuration du combustible liquide spécialement conçues pour les moteurs à combustion interne ou aménagées sur ceux-ci
F16K 17/04 - Soupapes ou clapets de sûreté; Soupapes ou clapets d'équilibrage fermant sur insuffisance de pression d'un côté actionnés par ressort
F16K 24/06 - Dispositifs, p.ex. soupapes, pour la mise à l'air libre ou l'aération d'enceintes pour l'aération uniquement
32.
Cyclone separator apparatus and methods of production
There is provided a method of forming a hydrocyclone body including assembling sintered alumina blocks (27) against a form (37), holding the blocks (27) in place with tape (40), locating a hydrocyclone housing over the blocks (27), filling a space between them with settable epoxy/ceramic composite to secure the blocks (27) to the casing, and removing the form (37), resulting in a substantially continuous, wear resistant surface.
B01D 45/12 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge
B04C 5/085 - Structure des appareils comportant des dispositifs résistants à l'usure
B01D 45/16 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par le mouvement hélicoïdal du courant gazeux
B29C 65/70 - Assemblage d'éléments préformés; Appareils à cet effet par moulage
B04C 5/13 - Structure du guide pour la phase légère, p.ex. pour faire sortir la matière en spirale ou en la dispersant formé comme un capteur de tourbillon, et s'étendant à l'intérieur de la chambre du tourbillon; Evacuation du viseur de tourbillon autrement que par le haut du cyclone; Dispositifs de commande de l'évacuation de la phase légère
A47L 9/16 - Agencement ou disposition des cyclones ou autres dispositifs à action centrifuge
B29K 63/00 - Utilisation de résines époxy comme matière de moulage
A pump impeller which includes: a back shroud having an inner main face with an outer peripheral edge and a central axis, the impeller in use being rotatable about the central axis in a direction of rotation, a plurality of pumping vanes extending from the inner main face of the back shroud, the pumping vanes being disposed in spaced apart relation, and each pumping vane including: opposed first and second side faces, a leading edge in the region of the central axis and a trailing edge in the region of the outer peripheral edge of the back shroud, and with a passageway between adjacent pumping vanes, wherein the first side face at the leading edge is in a plane which is at an acute angle with respect to a plane of the inner main face of the back shroud, and the first side face at the trailing edge is in a plane which is at an obtuse angle with respect to the plane of the inner main face of the back shroud.
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
A casting of a white cast iron alloy and a method of producing the casting are disclosed. A white cast alloy is also disclosed. The casting has a solution treated microstructure that comprises a ferrous matrix of retained austenite and chromium carbides dispersed in the matrix, with the carbides comprising 15 to 60% volume fraction of the alloy. The matrix composition comprises: manganese: 8 to 20 wt %; carbon: 0.8 to 1.5 wt %; chromium: 5 to 15 wt %; and iron: balance (including incidental impurities).
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 29/16 - Joints d'étanchéité entre le côté du refoulement et celui de l'aspiration
Screening apparatus includes a driving a shaft (12) into a screen housing (13) having a removable closure (14) and dividing wall (15) forming an underflow chamber (16) and an overflow chamber (17). The shaft (12) supports and drives an screen (21) comprising a plate steel basket carrier portion (22) axially spaced from intermediate ring frames (23) and an outer frame ring and flange (24), all interconnected by circumferentially spaced stringers (25) to form an all-welded, integral, generally truncated-conical screen (21) cage. The cage supports a wedge wire screening surface (26). The closure (14) and housing (13) mutually support an inlet assembly (27) comprising a chute (32) feeding the water and coarse coal to the inner end of the screen assembly (21). The integral, all welded screen (21) may be replaced as a unit without refurbishment.
B01D 33/00 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration
B01D 35/22 - Dispositifs dirigeant le mélange à filtrer sur les filtres de manière à les nettoyer
B01D 21/24 - Mécanismes d'alimentation ou d'évacuation pour bacs de décantation
B01D 24/00 - Filtres à substance filtrante non agglomérée, c. à d. à substance filtrante sans aucun liant entre les particules ou les fibres individuelles qui la composent
C02F 1/38 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par séparation centrifuge
B01D 33/11 - Filtres avec éléments filtrants mobiles au cours de l'opération de filtration à surfaces filtrantes rotatives cylindriques, p.ex. tambours creux agencés pour la filtration à courant dirigé vers l'extérieur
B04B 3/00 - Centrifugeurs à tambours rotatifs dans lesquels les particules ou les corps solides sont séparés par la force centrifuge et simultanément par tamisage ou filtration
B04B 7/18 - Tambours rotatifs formés ou revêtus d'éléments filtrants ou à tamis
Guards for rotary pumps are described, the pump having a main body and further including an impeller housing and a driveshaft extending between the main body of the pump and the impeller housing; the pump further including an adjustable sealing arrangement provided at a region where the driveshaft enters the impeller housing, the guard provides access to adjust the sealing arrangement but obstructs access to the driveshaft.
An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.
F04D 29/62 - Montage; Assemblage; Démontage des pompes radiales ou hélicocentrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
B66C 1/44 - Organes de saisie engageant uniquement les faces externes ou internes des objets et leur appliquant des forces de friction
Pump apparatus comprising a base or chassis, a power unit and a reel assembly each operatively mounted to the base or chassis, a flexible conveyor conduit and flexible service line adapted to be payed out from the reel assembly and a work head including a pump operatively connected to the conveyor conduit. The work head comprises a pump having an outlet which is operatively connected to a conveying conduit, a support frame to which the pump is mounted and a powered traction drive assembly operatively mounted to the support frame. The reel assembly comprises a reel rotatably mounted to the base or chassis, a conveying conduit and a flexible service line, each being adapted to be wound thereon and payed out therefrom.
E21C 35/00 - EXPLOITATION DES MINES OU CARRIÈRES - Détails ou accessoires de machines pratiquant des saignées ou libérant complètement la matière minérale de la veine, non prévus dans les groupes , ou
B65H 75/42 - Noyaux, gabarits, supports ou pièces de tenue pour matériau bobiné, enroulé ou plié, p.ex. tourets, broches, bobines, tubes à cannette, boîtes spécialement adaptés ou montés pour stocker, dérouler de façon répétée et stocker à nouveau des longueurs de matériau prévues pour des buts particuliers, p.ex. tuyaux souples à poste fixe, câbles de force impliquant l'utilisation d'un noyau ou d'un gabarit intérieur formant support pour le paquet de matériau stocké mobile ou transportable fixé à des outils ou machines mobiles ou en faisant partie
B65H 75/44 - Noyaux, gabarits, supports ou pièces de tenue pour matériau bobiné, enroulé ou plié, p.ex. tourets, broches, bobines, tubes à cannette, boîtes spécialement adaptés ou montés pour stocker, dérouler de façon répétée et stocker à nouveau des longueurs de matériau prévues pour des buts particuliers, p.ex. tuyaux souples à poste fixe, câbles de force impliquant l'utilisation d'un noyau ou d'un gabarit intérieur formant support pour le paquet de matériau stocké - Détails de structure
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
B60P 3/035 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de tourets
A pump casing for a centrifugal pump, which comprises an inlet opening, a discharge outlet, and a transition surface extending between an inner peripheral surface of the main pumping chamber and an inner peripheral surface of the discharge outlet, the transition surface arranged for separating an in use exit flow of material in the discharge outlet from an in use recirculation flow of material in the main pumping chamber. The transition surface has a cutwater having a profiled section which comprises a protrusion which extends irregularly from an otherwise generally rounded arched or U-shaped transition surface and is configured such that, in use, the velocity and/or turbulence resulting from the in use flow of the material being pumped in the main pumping chamber is reduced.
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
A pump assembly and components therefor including an impeller which has flow inducer elements on an inner surface of a front shroud thereof, a flow directing device or strainer having passageways for delivering material to the impeller and at least one flow circulating passageway and a pump casing having an intake section with flow distribution vanes in the region of a feed opening adjacent the intake section.
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 29/22 - Rotors spécialement pour les pompes centrifuges
A slurry pump impeller which includes a front shroud and a back shroud each having an inner main face with an outer peripheral edge and a central axis, a plurality of pumping vanes extending between the inner main faces of the shrouds, the pumping vanes being disposed in spaced apart relation. Each pumping vane includes a leading edge in the region of the central axis and a trailing edge in the region of the outer peripheral edges of the shrouds with a passageway between adjacent pumping vanes. Each passageway has associated therewith a discharge guide vane, each discharge guide vane being disposed within a respective passageway and located closer to one or the other of the pumping vanes and projecting from the inner main face of at least one of the or each shrouds.
A pump intake device comprises a main body which includes a side wall section having an inner side and an outer side, an intake section extending from the outer side of the side wall section and an intake passage extending through the intake section, the intake passage having an inner surface and an entry end and an exit end with a central axis extending between the entry and exit ends, where a first portion of the inner surface has one or more first guides thereon for directing fluid passing through the intake passage so that, in use, the fluid leaves the exit end at the first portion with an exit angle which is inclined relative to the central axis.
F01D 25/24 - Carcasses d'enveloppe; Eléments de la carcasse, p.ex. diaphragmes, fixations
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
A casting of a white cast iron alloy and a method of producing the casting are disclosed. A white cast alloy is also disclosed. The casting has a solution treated microstructure that comprises a ferrous matrix of retained austenite and chromium carbides dispersed in the matrix, with the carbides comprising 15 to 60% volume fraction of the alloy. The matrix composition comprises: manganese: 8 to 20 wt %; carbon: 0.8 to 1.5 wt %; chromium: 5 to 15 wt %; and iron: balance (including incidental impurities).
A housing for a seal assembly of a pump, the housing comprising a main body having a wall section with inner and outer sides, and a bore extending through the main body between the inner and outer sides, a holder protruding from the inner side of the main body, the holder having an outer edge and a bearing face which is inclined inwardly towards the inner side, and extending from the outer edge towards the bore. There is also disclosed a lifting device for use with the housing.
B66C 1/44 - Organes de saisie engageant uniquement les faces externes ou internes des objets et leur appliquant des forces de friction
F04B 53/00 - "MACHINES" À LIQUIDES À DÉPLACEMENT POSITIF; POMPES - Parties constitutives, détails ou accessoires non prévus dans les groupes ou ou présentant un intérêt autre que celui visé par ces groupes
A pump housing support for use in a pump assembly, the pump assembly including a plurality of component parts which include a seal housing, a drive shaft having a rotation axis, an impeller and a pump housing, the pump housing which includes a main liner, the pump housing support including a base and a mounting member which includes a body portion to which a part of the pump housing can be mounted and a locating flange extending therefrom, the locating flange having first and second locating surfaces on opposing sides thereof and where the main liner is located on the first locating surface and the seal housing is located on the second locating surface.
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 7/04 - Pompes adaptées à la manipulation de liquides particuliers, p.ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant visqueux ou non homogènes
F04D 29/16 - Joints d'étanchéité entre le côté du refoulement et celui de l'aspiration
B66C 1/44 - Organes de saisie engageant uniquement les faces externes ou internes des objets et leur appliquant des forces de friction
A coupling pin for use in a pump housing, the pump housing including an outer casing and an inner pump liner, the coupling pin being suitable for locating the liner and casing relative to one another, the coupling pin including a shank and a head at one end of the shank. The head includes a cammed surface thereon which is adapted to co-operate with a follower on the liner, and a locating section on a remote or terminal end of the head which is adapted to be positioned against a seat in the outer casing when fitted. The arrangement is such that rotation of the coupling pin causes the follower to track along the cammed surface so as to cause relative movement between the outer casing and the inner pump liner.
A pump casing for a centrifugal pump, which comprises an inlet opening, a discharge outlet, and a transition surface extending between an inner peripheral surface of the main pumping chamber and an inner peripheral surface of the discharge outlet, the transition surface arranged for separating an in use exit flow of material in the discharge outlet from an in use recirculation flow of material in the main pumping chamber. The transition surface has a cutwater having a profiled section which comprises a protrusion which extends irregularly from an otherwise generally rounded arched or U-shaped transition surface and is configured such that, in use, the velocity and/or turbulence resulting from the in use flow of the material being pumped in the main pumping chamber is reduced.
F04D 29/44 - Moyens de guidage du fluide, p.ex. diffuseurs
F04D 29/42 - Carters d'enveloppe; Tubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage
F04D 29/68 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analogues; Equilibrage en agissant sur les couches limites
An adjustment assembly for pump casing of a pump, the pump casing including a main part and a side part having a main axis and a side wall section extending laterally with respect to the main axis. The adjustment assembly is operable to cause relative displacement between the side part and the main part of the pump casing. The adjustment assembly includes a drive device and an actuator which can be activated externally of the pump, the drive device being operable to cause the relative displacement of the side part in response to activation of said actuator, the relative displacement capable of being a combination of axial and rotational movement.
A slurry pump impeller which includes a front shroud and a back shroud each having an inner main face with an outer peripheral edge and a central axis, a plurality of pumping vanes extending between the inner main faces of the shrouds, the pumping vanes being disposed in spaced apart relation. Each pumping vane includes a leading edge in the region of the central axis and a trailing edge in the region of the outer peripheral edges of the shrouds with a passageway between adjacent pumping vanes. Each passageway has associated therewith a discharge guide vane, each discharge guide vane being disposed within a respective passageway and located closer to one or the other of the pumping vanes and projecting from the inner main face of at least one of the or each shrouds.
A pump assembly and components therefor including an impeller which has flow inducer elements on an inner surface of a front shroud thereof, a flow directing device or strainer having passageways for delivering material to the impeller and at least one flow circulating passageway and a pump casing having an intake section with flow distribution vanes in the region of a feed opening adjacent the intake section.
A method and apparatus for the production of a casting that includes pouring molten material into a mold for forming the casting, allowing the molten material to solidify, removing the mold at least in part from the resulting solidified casting, and locating the solidified casting in a chamber that completely surrounds and facilitates a controlled rate of cooling of the casting.
A pressure relief arrangement for a pump, which includes a pump housing assembly with a pumping chamber therein, is provided in the pump housing assembly of the pump and includes a section mounted for movement between a normal operating position and a venting position, further includes a shearing element adapted to retain the section in the normal operating position, the section being mounted such that upon pressure within the pumping chamber increasing to a specified level, the pressure acts on the section and the shearing element will fail thereby permitting movement of the section from the normal operating to the venting position.
F01D 21/00 - Arrêt des "machines" ou machines motrices, p.ex. dispositifs d'urgence; Dispositifs de régulation, de commande ou de sécurité non prévus ailleurs
The microstructure of the casting has 15-60 vol % eutectic carbides and primary carbides dispersed in a ferrous matrix of martensite and is at least substantially free of pearlite.
A pressure relief arrangement for a pump (10) which includes a pump housing assembly with a pumping chamber (25) therein, the pump housing assembly including a section (41) mounted for movement between a normal operating position and a venting position, a shearing element (45) being adapted to retain the section in the normal operating position, the section (41) being mounted so that upon the pressure within the pumping chamber (25) can act on the section (41) and upon the pressure within the pumping chamber (25) reaching a specified pressure, the shearing element (45) will fail thereby permitting movement of the section (41) from the normal operating to the venting position.
F01D 21/00 - Arrêt des "machines" ou machines motrices, p.ex. dispositifs d'urgence; Dispositifs de régulation, de commande ou de sécurité non prévus ailleurs
66.
Suction distribution and disconnection system for a submersible pump
A solids entrainment and quick disconnect system for a vertical or submersible pump is disclosed in which a pump distribution plate having guide members is provided for positioning near the floor of a well or sump to facilitate the entrainment of solids into the pump inlet. The quick disconnect system comprises an angled discharge adaptor that allows the pump to be vertically lowered onto the pump distribution plate in a manner to not only assure registration and sealing of the pump inlet to the pump distribution plate, but to provide comprehensive mating and sealing of the pump discharge outlet to the discharge piping of the sump or pit.
F04B 35/04 - Pompes à piston spécialement adaptées aux fluides compressibles et caractérisées par les moyens d'entraînement de leurs organes de travail ou par leur combinaison avec les machines motrices ou moteurs qui les entraînent ou bien par leurs adaptations les moyens étant électriques