Abstract: A modular magnetic separation apparatus set has a processing capacity increased by increasing the number of the unit modules of the magnetic separation apparatus set, being suitable for all enrichment processes of magnetic minerals. One modular unit is defined with a separation wheel and its two neighboring magnet-concentration cores and two corresponding excitation coils and a charging hopper and a discharging hopper of magnetic materials, each unit being combined of multiple identical modular units. The modular magnetic separation apparatus solves the conflicts between the transportation of apparatus after the enlargement and the height and width restrictions on general roads, including more reasonable conditions for separate transportation.

Abstract: The present invention relates to an apparatus for separating magnetic particles from a dispersion comprising these magnetic particles and non-magnetic particles, comprising at least one loop-like canal forming 90 to 350° of a circular arc through which the dispersion flows, at least one magnet that is movable alongside the canal and which forces the magnetic particles into at least one first outlet, and at least one second outlet through which the non-magnetic particles are forced, wherein the apparatus further comprises at least one first means for treating the dispersion or a part of the dispersion with a hydrophilic liquid and at least one second means for treating the dispersion or a part of the dispersion with a hydrophobic liquid. In addition, the present invention relates to the use of the apparatus according to the present invention for separating magnetic particles from a dispersion, comprising these magnetic particles and non-magnetic particles.

Abstract: A tramp metal separation device for removing contaminants from a stream of raw materials that is being conveyed by a pneumatic conveying line. The tramp metal separation device includes a first housing, a drawer, and at least one actuator. The first housing has an inlet and an outlet that are connectable to the pneumatic conveying line. The drawer is supported with respect to the first housing such that the drawer is moveable between an extended position, where a plurality of magnets are positioned within the first housing and a retracted position, where the magnets are positioned outside of the first housing. A wiper assembly removes contaminants from the magnets as the drawer moves from the extended position to the retracted position. The actuator moves the drawer between its extended position and its retracted position.

Abstract: A magnetic separation apparatus (10) for separating magnetic materials from non-magnetic materials in a material flow comprising self cleaning magnetic separators (15) comprising: a cylinder (20) having a first end closer to a material flow than its second end in use, a piston (25) slidingly mounted within the cylinder (20), and a magnetic shaft (30) extending from the piston (25), the piston (25) and cylinder (20) adapted to move the magnetic shaft (30) between an extended position (31) and a retracted position (32), such that in the extended position (32), at least a sleeveless portion of an outer surface of the magnetic shaft (30) is exposed to the material flow and in the retracted position the magnetic portion is retracted substantially or wholly within the cylinder (20), the apparatus including a protected shaft wiper (120) and shaft seal (125) within the first end of the cylinder (20) for removing extracted magnetics.

Abstract: What is presented is a permanent magnet drum separator for removal of a ferrous fraction from a material stream comprising a pickup magnet that is a rare earth permanent magnet that can be moved within the drum separator. The drum separator comprises a rotatable outer shell having tubular shape with a circular cross section. The drum separator includes a carry magnet that is positioned at a fixed location within the rotatable outer shell near the inside circumference of the rotatable outer shell. The pickup magnet is positioned on a hinge plate within the rotatable outer shell. The hinge plate has a first end attached to a hinge and a second end attached to a movable element. The hinge is positioned at a fixed location within the rotatable outer shell near the inside circumference of said rotatable outer shell. The movable element is able to move the pickup magnet about the hinge to vary the distance between the pickup magnet and the inside circumference of the rotatable outer shell.

Abstract: A tramp metal separation device includes a first housing having an inlet and an outlet, a first drawer and a second drawer. The first drawer and the second drawer each have a plurality of magnets and a wiper assembly, where each drawer is supported with respect to the first housing such that each first drawer is moveable between an extended position and a retracted position. In the extended position, the magnets of the respective drawer are positioned within the first housing and are adapted to be in contact with the stream of raw materials. In the retracted position, the magnets of the respective drawer are positioned outside of the first housing. The wiper assembly of each drawer removes contaminants from the magnets as the respective drawer moves from the extended position to the retracted position.

Abstract: A magnetic separator for a mineral feed comprising, a rotatable drum having an attraction surface, an inlet for receiving a stream of the mineral feed and directing it past the rotating drum, means for generating a magnetic field to attract magnetic components in the feed to the attraction surface, a first zone for take off of non-magnetic components of the mineral feed, and a second zone for take off of the magnetic components, wherein the magnetic field generating means are adapted to subject the magnetic components to at least one reversal of polarity of the magnetic field as the drum rotates.

Abstract: The machine for removing ferrous debris removes such debris from firing ranges where the removal of hard objects is desired to prevent ricochets during firing exercises, particularly on aircraft gunnery ranges. The machine includes a chassis towed behind a remotely controlled or automated vehicle, with a mechanism support frame pivotally mounted on the chassis. A series of magnetic operating arms is provided across the mechanism frame, with a chain drive conveyor cycling the operating arms as the machine is operated. The operating arms automatically release any gathered ferrous debris into a hopper as the arms reach the hopper during their cycle. A mechanism is provided to accommodate angular deflection of the operating arms relative to the hopper due to sloped terrain, and a further automated mechanism is provided to tilt and empty the hopper as required. No human operator is required in the immediate area of the machine.

Abstract: A solid material separator for separating solid particles from a mixture containing liquid and these particles which enables the process of separating the solid particles from the liquid to be improved. The solid separator comprising a collecting vessel which is movable from a filling position, wherein the mixture containing the particles and the liquid is fed into the collecting vessel, to a liquid run-off position, wherein the liquid can at least partially drain out of the collecting vessel, and a device for producing a magnetic field by means of which the particles are at least partially retained in the collecting vessel in the liquid run-off position.

Abstract: A rotary valve allowing a rotor to be stored rotatably in a tubular powder granular material feeding chamber in a casing, storing and feeding powder granular material received from a powder granular material feed port to the troughs of the rotor, and discharging the powder granular material from a powder granular material discharge port to the outside, wherein an inspection hole having an openable inspection door is provided in the casing, a magnetic foreign matter attracting member formed of a plurality of magnets is installed in the troughs so as to allow to rotate integrally with the rotor, magnetic foreign matter mixed in the powder granular material is attracted to the magnetic foreign matter attracting members, and the said inspection door is opened to allow the magnetic foreign matter to be removed.

Abstract: A separation apparatus and method for use in separating magnetic material from non-magnetic material that includes the use of a magnetic grid, e.g., a permanently magnetic grid, which defines a plurality of openings. The grid assists in preventing magnetic material from being transported to an overflow.

Abstract: Disclosed is a removal unit for removing metallic alien materials, which is adapted to remove metallic alien materials such as metal fragments contained in powder or liquid raw materials. The removal unit includes an outer plate, an inner plate spaced apart from the outer plate, and magnet members coupled between the inner and outer plates. Each magnet member includes a cylindrical stainless steel rod, a magnet received in the stainless steel rod to extend from one end of the stainless steel rod to at least an intermediate portion of the stainless steel rod, a non-magnetic piece received in the other end of the stainless steel rod and coupled to the outer plate, and a fluorine resin coating formed over an outer peripheral surface of the stainless steel rod. A removal member is arranged to be slidable in a longitudinal direction along the magnet members while being in contact with the outer peripheral surfaces of the magnet members.

Abstract: A tank [A] has a fluid inlet, a fluid outlet, and a closure [B] wherein the tank may be positioned in line as a pressure vessel. A magnetic core assembly includes elongated permanent magnets [C] and magnet covers or tubes [D] constructed of non-magnetic material for collecting magnetic particles from a liquid. The core assembly is carried in the tank and is removable after the separate closure is removed from the tank. The method contemplates separating the magnets from the tubes for removal of the magnetic particles from the magnetic core assembly externally of the tank and independently of the closure.

Abstract: Disclosed is a removal unit for removing metallic alien materials, which is adapted to remove metallic alien materials such as metal fragments contained in powder or liquid raw materials. The removal unit includes an outer plate, an inner plate spaced apart from the outer plate, and magnet members coupled between the inner and outer plates. Each magnet member includes a cylindrical stainless steel rod, a magnet received in the stainless steel rod to extend from one end of the stainless steel rod to at least an intermediate portion of the stainless steel rod, a non-magnetic piece received in the other end of the stainless steel rod and coupled to the outer plate, and a fluorine resin coating formed over an outer peripheral surface of the stainless steel rod. A removal member is arranged to be slidable in a longitudinal direction along the magnet members while being in contact with the outer peripheral surfaces of the magnet members.

Abstract: An assembly and method for collecting and releasing magnetic materials includes an elongated permanent magnet (A) within an elongated cover (B) constructed from non-magnetic material for providing a collection area for the magnetic materials thereon opposite the magnet. Apparatus (C) separates the magnet to a more remote position in relation to the collection area for releasing magnetic materials from the elongated cover. The magnet and the cover may be moved while in superposed closely adjacent relation for collecting magnetic material and thereafter separated for releasing magnetic material collected on the cover. A driven conveyor (D) may be included Ln the assembly for transporting the magnet and the cover through a coolant liquid containing magnetic materials in the form of particulate matter formed during a machining operation.

Abstract: An apparatus for sorting particles. The apparatus includes a magnet mechanism for separating the particles with a magnetic force. The apparatus includes an electric mechanism for separating particles with an electrical force disposed adjacent to the magnet mechanism. The apparatus includes a mechanism for providing the particles to the magnet mechanism and the electric mechanism. The providing mechanism is engaged with the magnet mechanism and the electric mechanism. A method for sorting particles. The method includes the steps of providing the particles to a magnet mechanism and electric mechanism disposed adjacent to the magnet mechanism. Then there is the step of separating the particles with the magnetic force from the magnet mechanism and the electric force from the electric mechanism.

Abstract: A semiconductor encapsulating resin composition which is powdery particles of a resin composition comprising an epoxy resin, a curing agent and an inorganic filler, and produced through a series of unit operations inclusive of melt-kneading and pulverization of a raw material mixture, wherein foreign metal having magnetic property originating from metal materials constituting production apparatuses used in the unit operations and contained in the powdery particles are selectively recovered and removed by a drum type metal classification-recovering apparatus. This semiconductor encapsulating resin composition provides a high reliability semiconductor device not containing magnetic foreign metal.

Abstract: Apparatus for separating particles such as minerals from a mixture including said particles. The apparatus includes means for generating a rotating magnetic field such as a rotating magnetic drum (71). The apparatus also includes means for exposing the mixture to the rotating magnetic field such that susceptible particles are caused to rotate, and means for exploiting the rotation imparted to the susceptible particles to separate the particles from the mixture. The means for exposing may include a conveyor belt (72) or the like for passing the mixture along a first path (70) relative to the rotating magnetic field. The means for exploiting may include a surface (74) for facilitating movement of the particles along a second path (A) other than the first path.

Abstract: The invention relates for separating different electrically conductive particles, especially of waste materials, by means of an eddy-current separation, whereby the supplied particles to be separated are cooled. The invention also relates to an eddy-current separator provided for carrying out said method. The separator has a rotational magnet system and a transport system for guiding the particles to be separated along the magnet system. A cooling chamber through which the particles are guided is located immediately upstream from the magnet system. The conductivity of the non-iron metallic particles is increased by cooling thus allowing differential separation of these materials.

Abstract: A novel method and apparatus for removing multi-particulate matter from a medium is disclosed. The device includes a containment vessel for accumulating particles, and the containment vessel includes an increased diameter, generally spherical portion for accumulating the particles therein. The containment vessel may also include an electromagnetic matrix which is capable of being energized and de-energized. A blow valve is located at a lower portion of the containment vessel, and the blow valve is capable of being opened and closed, and can preferably be operated simultaneously with the energizing and de-energizing of the electromagnetic matrix. Opening of the blow valve preferably provides that the particles can evacuate from the containment vessel, and specifically from the increased diameter, generally spherical portion thereof, through the blow valve.

Abstract: The magnetic sweeper of this invention includes a laterally elongated hollow body of non-magnetic material having an open top and containing a pair of laterally spaced permanent magnets. The elongated side walls of the body have outwardly extending flanges slidably receiving a pair of covers of non-magnetic material for the magnets, and the covers have outer downturned ends facing the closed end walls of the body. An opening in each downturned end removably receives a wheel axle having an enlarged end captured between the body end wall and the adjacent downturned end of the cover, and interengaging detents on the body and each cover secures the cover removably to the body. A wheel is mounted rotatably on each axle and a handle extends from the body member for manipulating the sweeper over a surface to be swept of metallic objects.

Abstract: A system for separating non-magnetizable metals from a mixture of solid with a feed device; an endless conveyor belt with belt drums supported on a frame, of which the head drum at the discharge end is provided with a driven, eccentrically mounted and adjustable magnet rotor; and a separation area downstream of the head drum. To improve the degree of separation achieved, the system is provided with a vibrating channel (2) with an additional slope; means for adjusting the speed of the conveyor belt (3); means for generating a variable force of repulsion (Fvar); a controlled rotational speed adjustment unit (nvar) for the magnet rotor (3.4); and adjustable separating elements (4.1, 4.2, 4.3), each of which is located between two adjacent throwing parabolas of the separated fractions.

Abstract: A process and an apparatus for separating particles according to the strength of their magnetic susceptibilities includes a mass of loose particles transported on a moving surface over a plurality of long, thin, magnets separated by thin straps of ferromagnetic metal. The magnets are arranged such that the polarities of two adjacent magnets engaging opposite sides of the same ferromagnetic strap are identical. Particles are separated on the moving surface and when that surface passes around a horizontal axis, the particles fall off the surface into selected areas according to the magnetic susceptibilities of the particles. Cooling air flows between the moving surface and magnets to enhance operation and the useful life of the magnets.

Abstract: A method and system for separating, collecting and isolating radioactive metallic elements from low grade, dry, solid non-metallic nuclear bulk waste that includes physically degrading the low grade waste by shredding or grinding into small pieces, configuring the bulk waste into a waste stream, bombarding the waste stream with microwave energy at a preselected frequency treating the waste stream in a time varying magnetic field, causing the radioactive particles to disperse away from the bulk waste and collecting the separated micron sized radioactive particles. The present method and system provide for a low cost, non-complex system of separating out conductive radioactive particles from essentially non-metallic, dry, low grade nuclear waste allowing safe return to the environment of 95% to 99%, by volume, of the processed nuclear waste, greatly reducing the volume of nuclear waste that must be safely stored.

Abstract: A closure operator member (E) is urged by a fastening member (F) extending across opposed brackets (D) into sealing relation across an opening in an end member (C) extending about a tubular housing (B) for receiving a bar magnet (A). A camming action or wedging is achieved thereby exerting a compressive force against a deformable sealing member. A mounting apparatus includes opposed transversely spaced longitudinal brackets (H) which are pivotally adjustable at (I) for providing support locations for elongated bar magnets (A).

Abstract: A magnetic separator having a chamber for receiving material to be separated. The magnetic separator utilizes magnets either along the outer surface of an elongated cylindrical chamber or as a fixed shaft of a helical conveyor. Two outputs are provided for discharging the non-magnetic material and the magnetic material separately from each other.

Abstract: The present invention relates to a magnetic separator in the form of a conduit defined by axially mating halves. The magnet-containing housing disposed in the conduit includes an integral nose portion from which radiates a support member, the support member connecting the magnet-containing housing to one of the conduit halves.

Abstract: A magnetic separator having a chamber for receiving material to be separated. The magnetic separator utilizes magnets either along the outer surface of an elongated cylindrical chamber or as the shaft of a helical conveyor. Two outputs are provided for discharging the non-magnetic material and the magnetic material separately from each other.

Abstract: A magnetic drum separator for separating components having different magnetic properties out of an aggregate material employs a drum rotatably driven on a longitudinal axis. The drum has a cylindrical shell sidewall to have an open interior wherein a magnetic array is disposed. The magnetic array is formed by a plurality of longitudinally extending and circumferentially spaced ferromagnetic bars. A first magnet is disposed between each pair of circumjacent bars, and circumjacent first magnets have similar magnetic poles facing the bar located therebetween. Second magnets extends longitudinally and a second magnet is located radially inwardly of each of a majority of the bars. Circumjacent second magnets have oppositely oriented polarities, all in the radial direction, and each second magnet has a similar pole facing the respective bar as those of the first magnets. The array is supported by an arcuate support plate and a pair of brackets secured to a rigid shaft about which the drum rotates.

Abstract: A mobile apparatus and process for the separation and recovery of abrasive grit material from blasting material containing waste material and contaminants. The mobile apparatus has a low profile which facilitates the movement of the apparatus to job sites. At the job site the blasting material is collected by the mobile apparatus through a flexible hose connected to a chamber which is under sub atmospheric pressure. A vacuum generator that reduces the pressure in the chamber has sufficient power to allow vacuum collection of the blasting material through the flexible hose when material flow might otherwise clog the hose. The abrasive grit material is removed from the blasting material by a self-contained, multi-step separation process situated within the chamber. The mobile apparatus utilizes an initial physical separator, a rotary screen separator, a magnetic separator, and an air wash separation device that are interconnected by a rotary lift wheel.

Abstract: Magnetic separations are made by feeding material to a magnetic separator having elongated ferromagnetic bodies that are disposed parallel to each other with spaces therebetween, the bodies being disposed at an angle to the magnetic field direction. The magnetic particles are deflected away, while the nonmagnetic particles pass through the spaces between the ferromagnetic bodies. In one embodiment, the separator includes a magnetic circuit including an array of elongated ferromagnetic bodies, parallel to each other with spaces therebetween, and on the same side of a common tangential plane that is positioned substantially perpendicular to the direction of the field created by the magnetic system and at an acute angle to the direction of particle feed towards the ferromagnetic bodies.

Abstract: A hand held tool for gathering and later releasing metallic particles such as paper clips or a spilled box of pins or tacks includes a handle with a magnetic attached at the bottom and a sweeper cover covering the magnet and hinged to the handle. Ferrous particles are gathered on the surface of the sweeper cover and later released by pivoting the magnet away from the cover.

Abstract: A mobile apparatus and process for the separation and recovery of abrasive grit material from blasting material containing waste material and contaminants. The mobile apparatus has a low profile which facilitates the movement of the apparatus to job sites. At the job site the blasting material is collected by the mobile apparatus through a flexible hose connected to a chamber which is under sub atmospheric pressure. A vacuum generator that reduces the pressure in the chamber has sufficient power to allow vacuum collection of the blasting material through the flexible hose when material flow might otherwise clog the hose. The abrasive grit material is removed from the blasting material by a self-contained, multi-step separation process situated within the chamber. The mobile apparatus utilizes an initial physical separator, a rotary screen separator, a magnetic separator, and an air wash separation device that are interconnected by a rotary lift wheel.

Abstract: The method and apparatus of removing metallic particles of magnetic material from coolant fluid used in a machining operation includes placing an assembly including elongated magnets (A) in elongated covers (B) constructed of a non-magnetic plastic with sealing and reinforcing members preventing direct attachment of metallic particles to the magnet facilitating removal of the particles when the assembly is removed from the coolant fluid.

Abstract: A magnetic sweeper for collecting magnetically attractable debris from parking areas and the like using magnets in an aluminum tube. A collector plate is hinged to the tube in the magnetic zone so that the collector plate can be pivoted away from the magnet to release accumulated debris from the influence of the magnets. Steel latch plates on the collector plate hold it against the magnets in operation.

Abstract: A magnetic particle separator which provides a magnetic grate in which magnetic rods are inserted in non-magnetic tubes forming a magnetic grate in the particle stream to be separated. The Magnetic rods can be removed from the assembly only when the grate is removed from the particle stream. The invention also provides a system of at least two separators assembled in series in the particle stream so that one of the separators may be removed for cleaning and the other will perform the separating function thus not requiring the system to be shut down during separator cleaning.

Abstract: A hand-operated or vehicle-supported magnetic sweeper has a longitudinally elongated, hollow magnet-containing body member preferably formed in one piece of non-magnetic material which may include wheels mounted on its ends and a handle socket disposed centrally between the ends of the body member for reception of a handle member for hand operation of the sweeper over a floor surface. A rigid top cover plate is secured to the body member to cover and enclose the magnets contained in the hollow body and to provide rigidity to the sweeper construction. A catcher member formed of non-magnetic material is removably mounted on the body member so that metallic objects attracted to the magnet-containing body member are captured against the surface of the overlying catcher member and retained thereagainst until the catcher member is manually removed, whereupon the metal objects will simply fall away for discard.

Abstract: Apparatus and method for the separation of particles in either a liquid or gas stream is provided. The fluid stream is directed in a swirl-flow pattern to develop thereby centrifugal forces on the stream. Optionally, magnetic and/or electrical fields may be applied to the system to enhance separation of the particles. Air sparging may also be employed to further enhance the separation of hydrophilic particles from hydrophobic particles in a liquid system. Optionally, the swirl-flow pattern may exit the downstream end of the separator where a stream splitter is employed to split the swirl-flow pattern stream which splays outwardly at the outlet in two or more streams which carry desired particles to be recovered.

Abstract: A high-intensity magnetic separator operating in a wet environment for separating magnetic particles from a fluid material comprises a separating unit which comprises a vertically extending housing having side walls defining a separating chamber, valved ducts for alternately circulating the fluid material and a washing liquid vertically downwardly through the separating chamber, and permanent magnets arranged adjacent the side walls of the housing for generating therebetween a magnetic field extending perpendicularly to the direction of circulation of the fluid material in the separating chamber.

Abstract: A bar filter is disclosed which is fit for use in an apparatus for removing phosphates from waste water. Thereto phosphates are chemically bound to magnetic material, like magnetite, and subsequently the liquid containing the suspended particles is fed through a filter according to the present invention. The magnetic particles adhere to the bars of the magnetic filter so that the filter gradually fills with the particles. According to the present invention, the configuration of the bars of the filter is such that the gradient of the magnetic field is substantially constant, leading to an even filling of the filter, so that the frequency of flushing the filter to empty it is limited as far as possible. Preferably the density of the bars is a plane perpendicular to the bars is constant.

Abstract: An apparatus for magnetically separating and collecting particulate matter fractions of a raw sample according to relative magnetic susceptibilities of each fraction so collected is disclosed. The separation apparatus includes a splitter which is used in conjunction with a magnetic separator for achieving the desired fractionation.

Abstract: A method utilizing a simple mechanism to circumvent the effect of the magnetic conveyor head (12) of a magnetic separator (11), whereby ferrous material such as steel cans can be diverted from the stationary reject chute (13) to go instead to the place where nonferrous materials go. The mechanism, called a movable chute (14), is actually a movable extention of the stationary reject chute (13) and pivots up or down on a hinge device (15) that connects it to the stationary reject chute (13). It can be secured in the up position by a latching device (16). It can be maintained at a constant angle in the down position by a stopping device (17). Edges (18) to the movable chute are provided to prevent material from falling off the sides. These edges are mounted either on the movable chute or on the sides of the magnetic separator. In the latter case they are called stationary guides (19). When the movable chute (14) is in the up position it forms a straight extension to the stationary reject chute (13).

Abstract: An electric arc furnace includes a crucible having a metal shell for recovering precious metals from spent material. The shell includes a metal tap hole and a slag door positioned above and opposite the metal tap hole. A removable swinging roof is provided above the crucible together with a plurality of electrodes for heating the spent material. Also, a cooling band circumscribes the crucible for cooling the metal shell. Conveyors are provided for distributing the spent material at a plurality of points located between the electrodes and the wall of the crucible. The crucible is tilted to allow the removal of the slag and metal.

Abstract: A removable cover for my earlier patented magnetic cleaning devices, the cover comprising a plurality of hollow pockets interconnected at their rear, open ends by thin webs which permit longitudinal flexiblity. The interconnected pockets are configured and positioned to receive the projecting magnet pockets of a magnetic cleaning device attached to a vacuum cleaner or a sweeper in a snug, friction fit engagement, thereby securing the cover releasably onto the magnetic cleaning device. When the magnetic cleaning device passes over a floor surface and picks up magnetically attracted objects, the magnetic attraction holds the magnetically attracted objects firmly against the overlying cover.

Abstract: An improved magnetic separator arrangement is provided. One major improvement relates to modifications facilitating utilization of relatively dense and tightly packed matrix material within races, through which a slurry of ore material passes during separation. The tightly packed matrix material is accommodated through utilization of flexible race walls, and compression and expansion mechanisms selectively operable to facilitate separation. A cover mechanism inhibits water flow turbulence, during an initial setting up of a magnetic field to entrap magnetic material within the matrix element of each race. A preferred retainer mechanism is provided which facilitates mounting of flap members for use in association with a cover mechanism, as well as retention of the matrix material in a desired position. In a preferred embodiment, the previous features are incorporated into a system fed with an ore material from an inner portion of a circular race, i.e. the center of a rotating drum.

Abstract: A grate magnet apparatus comprising a frame defining an opening adapted to have material to be separated pass therethrough, a non-magnetic tube supported by the frame and extending across the opening, and an elongated magnetic member removably housed in the tube, whereby magnetic material is attracted to the tube when the magnetic member is housed in the tube and is released from the tube when the member is removed from the tube. The non-magnetic tubes and magnet members are connected both for joint movement to be withdrawn from the path of the flowing material and then for relative movement to release magnetic material from the non-magnetic tube.

Abstract: A method for continuous separation of magnetizable paramagnetic and/or diamagnetic particles from a flowing fluid laden with the particles includes guiding the flow through a separation region, penetrated by a high-gradient magnetic field along a primary flow route. The particle-laden fluid flow of the separation region is supplied in the form of a multiplicity of partial flows, each passing through feed zones supplied from the direction of the outer periphery of the separation region and through feed openings of flow guiding bodies. The feed openings are distributed over the cross section of the separation region in the form of at least one feed hole field. The partial flows are then guided inside the separation region through at least one separation hole field of pole element orifices distributed over the cross section of the separation region and associated wall parts which are penetrated by the primary magnetic flux in the direction of the axes of their orificies.

Abstract: A process which is especially useful for effecting magnetic separation of magnetically attractable impurities from an aqueous clay slurry or suspension includes passing the suspension through a porous, ferromagnetic matrix while applying a magnetic field to the matrix, on which impurities are collected, and thereafter regenerating the matrix by flushing collected impurities therefrom with a flush liquid, e.g., water. The improvement comprises, after discontinuing the passage of the suspension through the matrix, but before passing flush liquid therethrough, admitting a pressurized gas, e.g., compressed air, into the separator to displace suspension retained therein, and recovering the displaced suspension. In addition, flush liquid retained in the matrix after the flushing step may be displaced therefrom by the compressed air. By displacing the retained suspension from the matrix with, e.g., compressed air, instead of a flush liquid, e.g.

Abstract: A method and mechanism for the magnetic separation of material from a fluid containing magnetic and non-magnetic material, passing the fluid through matrix containing canisters wherein the canisters are carried on a turret which moves axially and rotatably. In four quadrilaterally arranged locations, two canisters are supported in a separation position within coils until they are filled and then are moved axially and rotationally to cleansing stations while cleansed canisters are rotated and moved axially up into the separation stations. A distribution head connects to the turret for delivery of magnetic material containing fluid and cleansing fluid.

Abstract: A gravity-magnetic ore separator for concentrating magnetic or weakly magnetic minerals having a relatively high specific gravity is disclosed. The ore separator utilizes codirectional magnetic and gravitational forces to achieve separation capabilities in excess of that which can be achieved using gravity forces alone. Typically, the gravity-magnetic ore separator is formed by retrofitting a conventional gravity separator such as a spiral, cone, pinched sluice, etc. with magnets so as to enhance the separation capability of the conventional gravitational ore separator. Means are provided to prevent build up of magnetic material on the surface over which the ore flows.