318results about "High gradient magnetic separators" patented technology

The invention belongs to the technical field of magnetic separation equipment, and particularly discloses an air-blowing anti-blocking magnetic conduction module and a magnetic separator. The air-blowing anti-blocking magnetic conduction module comprises a center shaft, a plurality of magnetic conduction meshes are installed on the center shaft, an airflow channel is formed in the center shaft, circulation gaps are formed between the magnetic conduction meshes, and air outlet holes capable of distributing airflow to the circulation gaps are formed in the center shaft. The magnetic separator comprises a rack, an annular electromagnetic device and a material pipeline are arranged on the rack, and an air-blowing anti-blocking magnetic conduction module is installed in the material pipeline. According to the air-blowing anti-blocking magnetic separator, the magnetic conduction module in the magnetic separator is improved, in the magnetic separation process, air flow can be introduced into circulation gaps formed between the magnetic conduction meshes through the air flow channels, the air outlet holes and the like in the air-blowing anti-blocking magnetic conduction module, the air flow penetrates through meshes of the magnetic conduction meshes along with flowing of materials, and finally the air flow and the materials are discharged together; therefore, the passing ability of the materials is improved, the working efficiency of the magnetic separator is improved, meanwhile, tailings can be reduced, and waste of useful materials is reduced.

The invention relates to the technical field of nano magnetic bead preparation, and discloses a magnetic bead continuous separation device. The magnetic bead continuous separation device comprises a magnetic bead separator, a magnetic field generating device and a driving device, the driving device is used for driving the magnetic field generating device to be close to or away from the side wall of the magnetic bead separator, the magnetic bead separator is hollow, one end of the magnetic bead separator is provided with a first liquid inlet and a second liquid inlet, and the other end of the magnetic bead separator is provided with a first liquid outlet and a second liquid outlet. According to the invention, a plurality of separation processes can be integrated in the same structure, so that the system configuration is simplified, and the requirements of automation and large-scale continuous treatment in the magnetic bead purification process are effectively met.

The invention provides an easy-to-scale efficient biological magnetic separation system and method and application. The magnetic separation method comprises the following steps: marking a target object in a to-be-detected suspension by adopting magnetic nanoparticles, and putting the marked to-be-detected suspension into a separation container; a modularized magnet array is arranged in the separation container, the modularized magnet array is composed of permanent magnets, and the permanent magnets are assembled into the cuboid modularized magnet array; the surface of the permanent magnet is coated with a polytetrafluoroethylene coating; the modularized magnet array moves in the suspension under the control of a driving magnet arranged outside the separation container to generate a dynamic gradient magnetic field, and a target object is captured by the modularized magnet array under the action of the gradient force of the magnetic field; removing the liquid in the separation container; adding the resuspension into a separation container, and recovering a target object by physical ultrasonic washing; or adding a chemical dissociation solution into the separation container to recover the target object.

The present invention discloses a large electromagnetic washing machine, which belongs to the technical field of mineral selection equipment, including a vertically arranged sorting drum, wherein a plurality of excitation coils are sleeved on the outside of the sorting drum from top to bottom, and adjacent excitation coils are arranged at intervals; a control system, wherein the control system can control all the excitation coils to be cyclically powered on and off in an orderly manner, wherein within a time period, the excitation coil between every two excitation coils is powered off, while the two adjacent excitation coils on both sides of the powered-off excitation coil are powered on, and after each time period, the next adjacent excitation coil along the axis of the sorting drum is powered off, and the two adjacent excitation coils on both sides of the corresponding powered-off excitation coil are powered on, until all the excitation coils are powered off and the cycle repeats again. The above structure can effectively solve the magnetic attenuation phenomenon that occurs when the diameter of the sorting drum increases by integrally controlling all the excitation coils and cyclically powering on and off, and is suitable for large-scale washing machines.

The invention discloses a beneficiation method for concentrate regrinding reinforced copper-molybdenum mixed rough concentrate magnetic levitation combined separation. The method comprises the following steps: (1) carrying out two-stage magnetic separation on the copper-molybdenum bulk concentrate to obtain a magnetic product and a non-magnetic product; (2) the magnetic products and the non-magnetic products are subjected to particle size control regrinding treatment, so that the copper minerals and the molybdenum minerals are further subjected to monomer dissociation, and agglomeration structures among the minerals are scattered; (3) preferential molybdenum flotation and copper flotation operation is conducted on reground ore pulp of magnetic separation magnetic products, after magnetic separation non-magnetic products are combined, the reground ore pulp is directly subjected to molybdenum flotation operation, an inhibitor, a collecting agent and a foaming agent are added in a segmented mode in the molybdenum flotation operation, and an adjusting agent, a dispersing agent, an activating agent, a collecting agent and a foaming agent are added in a segmented mode in the copper flotation operation; the concentrates obtained through the flotation operation are copper concentrates and molybdenum concentrates. The method improves the grade of the molybdenum concentrate, reduces the copper inclusion amount, stabilizes the product quality, and improves the copper-molybdenum separation efficiency and the recovery rate of copper and molybdenum.

The invention relates to an efficient separation and comprehensive recovery method based on copper-nickel complex platinum-palladium concentrate. The efficient separation and comprehensive recovery method comprises the following steps: (1) smelting and enriching; (2) carrying out two-stage cascade blowing enrichment; (3) stage selective crystallization; (4) separating mixed ore; (5) selective separation of alloyed gold; (6) separating copper-nickel bulk concentrate; and (7) mixing the nickel sulfate crystal obtained in the step (5) and the nickel oxide obtained in the step (6), feeding the mixture into a reverberatory furnace, smelting to obtain a nickel anode plate with crude nickel as a main component, and then feeding the nickel anode plate into an electrolysis process for electrolysis to obtain cathode nickel, anode mud and silver-cobalt slag products. According to the method, valuable metals such as platinum, palladium, gold, silver, copper, nickel and cobalt in the complex platinum-palladium concentrate can be efficiently separated and recovered, the separation effect is good, the comprehensive recovery rate is high, comprehensive recycling of resources is fully achieved, the problems that an existing recovery process is poor in recovery effect and high in cost are solved, and good economic benefits and social benefits are achieved.

The present invention concern a method and a device for the isolation of non-magnetic cells from a heterogeneous sample solution containing biological material including desired and undesired cells. The method comprises the steps of: —adding magnetic or magnetizable particles to the sample, wherein said particles have sizes in a range from 100 nm to 4 μm and exhibit surface components which support specific association with target cells, wherein said target cells comprise are either said desired or said undesired cells; —decreasing said external magnetic field gradient; —incubating said sample solution with said magnetic particles to obtain a magnetized cell fraction; —washing said magnetized cell fraction using a washing solution to reduce non-specific binding; —increasing said external magnetic field gradient; —separating said magnetized cell fractionation of target cells from said sample; wherein said sample solution is subjected to an external magnetic field gradient throughout said adding, incubating, washing and separating steps, and wherein said sample solution is rotated at least during said adding, incubating and washing steps.

The invention discloses a vertical ring magnetic separation device adopting a saddle-shaped coil and a magnetic separation method of the vertical ring magnetic separation device, and relates to the technical field of mine metallurgy, the vertical ring magnetic separation device comprises an integral support, a magnet system, a rotating ring, a feeding assembly and a discharging assembly, and the magnet system is fixedly arranged on the integral support and surrounds part of the rotating ring; the magnet system comprises at least one saddle-shaped coil, and the arc-shaped face, facing the rotating ring, of the saddle-shaped coil is matched with the ring face of the rotating ring. The saddle-shaped coil is adopted, the arc-shaped working face of the saddle-shaped coil is matched with the height space of the annular contour of the rotating ring, magnetic field distribution is fundamentally optimized, magnetic field energy is highly concentrated and accurately acts on a magnetic medium filled in the rotating ring, the field intensity far exceeding that of a traditional runway-shaped coil can be obtained, and the collecting capacity of weak magnetic minerals is remarkably improved; the optimization of the magnetic field further reduces the dependence on the magnetic conductive yoke, so that the overall structure weight of the magnet system is reduced, and the cost is reduced.

The invention belongs to the technical field of magnetic separation equipment, and particularly discloses a leakage-proof magnetic separator which comprises a rack, an electromagnetic generation device is arranged on the rack, the electromagnetic generation device is provided with a vertically-arranged material pipeline, an electromagnetic coil is arranged in the electromagnetic generation device, and a magnetic conduction module capable of moving up and down is installed in the material pipeline. The magnetic conductive module comprises a central pipe, a plurality of mesh supports are connected to the central pipe, magnetic conductive meshes are mounted on the mesh supports, annular mounting grooves are formed in the outer edges of the mesh supports, hollow elastic rubber rings are mounted in the annular mounting grooves, and connecting pipes are arranged on the hollow elastic rubber rings. And the connecting pipe is communicated with the central pipe through an airflow channel arranged on the mesh bracket. According to the magnetic separator, the magnetic conduction module and the mounting structure thereof are improved, the gap between the mesh support and the material pipeline can be blocked in the magnetic separation stage, the problem that materials directly leak downwards through the gap between the magnetic conduction mesh and the material pipeline is solved, and the iron removal effect of the magnetic separator is improved.

The invention provides a method and a system for preparing battery-grade sodium carbonate from industrial sodium carbonate, and solves the problems of high magnetic impurity residue, non-uniform particle distribution, insufficient moisture control and the like in the prior art. The method comprises the following steps: removing agglomerated powder through vibration screening; micron-grade and submicron-grade magnetic foreign matters are synergistically removed by adopting multi-grade magnetic separation, so that the content of the magnetic foreign matters is less than or equal to 500ppb; particle distribution is precisely regulated and controlled in combination with physical smashing, and the moisture increment of materials is controlled to be smaller than or equal to 0.1% through a closed-loop circulation dehumidification system. The system integrates a raw material pretreatment unit, a magnetic separation unit, a crushing unit and a humidity control unit, and adopts a temporary storage bin circular separation and temperature-humidity interlocking control module to realize collaborative optimization of process parameters. According to the method disclosed by the invention, the limitation of high impurity residue and high energy consumption in the traditional process is broken through by virtue of full-process collaborative design of magnetic separation, crushing and dehumidification, and the obtained battery-grade sodium carbonate meets the standard and is suitable for efficient preparation of the sodium-ion battery positive electrode material.

The utility model discloses a medium box for fine fraction separation of a vertical ring high-gradient magnetic separator, which belongs to the technical field of magnetic mineral separation equipment and comprises two fixing plates. At least one supporting plate is located between the two fixing plates. The two ends of the multiple reinforcing medium rods are connected with the fixing plate and penetrate through the supporting plate. The multiple reinforcing medium rods are distributed along the edge and form a medium containing cavity with the fixing plate. A plurality of spaced medium rods are positioned in the medium accommodating chamber, and two ends of the spaced medium rods are connected with the fixing plate and penetrate through the supporting plate; the diameter of the spacing medium rod is not greater than that of the reinforcing medium rod; the magnetic medium is embedded in a gap between the adjacent interval medium rods; the reinforcing medium rods and the spacing medium rods penetrate through the supporting plate and are fixedly connected with the fixing plate, so that the structural strength can be improved; the reinforcing medium rods, the spacing medium rods and the magnetic medium are arranged in order, so that a compact mineral separation medium can be formed, and the recovery rate of fine-fraction minerals is increased; and the magnetic medium can be conveniently pulled out and cleaned, so that the cleaning difficulty is reduced.

The invention relates to the technical field of ore separation, and discloses a multi-stage photoelectric-jigging-magnetic separation synergistic efficient ore separation process which comprises the following steps: A, material pretreatment and particle size regulation and control: raw ore raw materials are treated through crushing and screening equipment; the method comprises the following steps of: adding the raw materials into a magnetic separator to obtain a coarse-fraction product with the particle size range of 5-100mm and a fine-fraction product with the particle size range of 0.5-5mm, and cleaning and drying the products to remove surface dust and pollutants. Sequential and parallel recognition and sorting of multi-dimensional physical attributes such as color (photoelectricity), density (jigging) and magnetism (magnetic separation) of ore particles are achieved, the function limitation of a single sorting method is overcome through the multi-technology coupling mechanism, and a large amount of waste rock is efficiently thrown at the front end through photoelectric pre-sorting; the enriched valuable minerals can be intensively treated by subsequent gravity separation and magnetic separation equipment, and the unit operation efficiency is improved.

The invention discloses a preparation method of high-purity fused quartz powder, and the preparation method specifically comprises the following steps: S1, crushing; s2, fully washing the quartz powder with water, and then removing impurities; s3, feeding the crushed particles subjected to impurity removal into a pickling tank for pickling; s4, dissolving the crude product in two times of alkaline solution, carrying out alkali washing treatment, and carrying out ultrasonic cleaning after the treatment is completed; s5, the cleaned raw materials are fed into a heating furnace to be subjected to high-temperature heat treatment; s6, magnetic separation is repeated; and S7, further crushing into fused quartz sand of which the particle size is less than 2mm by adopting an impact crusher. According to the preparation method of the high-purity fused quartz powder, circulating pickling is adopted, the optimal pickling condition acid concentration, acid dosage, pickling time, pickling temperature and the like are selected, metal impurities are effectively removed, and the purification effect is good; repeated magnetic separation is carried out under high and low field intensities, the magnetic separation effect is good, magnetic impurities are preliminarily and efficiently removed, and the purity of the whole manufactured product is high.

The invention relates to the technical field of gravel production, in particular to a graded magnetic separation washing engineering sand making system and process, the graded magnetic separation washing engineering sand making system comprises a joint dispatching subsystem, a feeding device, a sand making device, a wet screening device, a first sand washing device, a magnetic separation device, a second sand washing device and a post-processing subsystem, and the joint dispatching subsystem is used for achieving production and transportation regulation and control of all the devices; the sand making equipment is used for producing artificial sand, the wet screening equipment is used for screening the artificial sand and provided with a screen A and a screen B located below the screen A, the aperture of the screen B is smaller than that of the screen A, an oversize outlet of the screen A is connected with a feeding port of the sand making machine, and a feeding port of the first sand washing equipment is connected with an oversize outlet of the screen B; a feeding hole of the magnetic separation equipment is connected with an undersize outlet of the screen B, a feeding hole of the second sand washing equipment is connected with a concentrate outlet of the magnetic separation equipment, and a feeding hole of the post-treatment subsystem is connected with a tailing outlet of the magnetic separation equipment. The method has the advantages of being high in practical operability, good in economical efficiency and environmentally friendly.

The present application relates to the technical field of mineral processing, and more particularly to a manganese ore magnetic separation device and dry beneficiation process, wherein the magnetic separation device comprises a mounting frame, a first channel, a second channel, a distribution plate, a magnetic roller, a conveyor belt, a feeding mechanism and an auxiliary mechanism. The magnetic roller is composed of a roller shaft, an end cover and a plurality of magnetic rings, the magnetic rings comprising a magnetic gathering plate and a magnetic block and being tightly arranged by a screw rod. The feeding mechanism realizes uniform feeding through a vibration and suspension system. The auxiliary mechanism realizes the vibration and shunting of the ore sand through a guide strip. The beneficiation process comprises crushing, grinding, classification, roasting, magnetic separation and post-processing. The magnetic separation adopts a two-stage type of roughing and cleaning to improve the recovery rate. The present application has the advantages of high separation efficiency, high concentrate purity, low energy consumption, strong adaptability and the like, and is suitable for large-scale industrial production.

The spherical quartz powder purification process comprises the following steps that S1, quartz raw ore is coarsely crushed to be 25 mm or below through a cone crusher, then ground through a ball mill and screened out with the proper particle size through a screening cylinder; s2, scrubbing the quartz particles by using ore pulp with the concentration of 50-60%, and synchronously separating soil; s3, removing ferromagnetic minerals and magnetic impurities in the quartz by adopting a two-stage high-gradient magnetic separator; and S4, soaking in a mixed solution of hydrochloric acid and sulfuric acid at 60-75 DEG C for 4-8 hours, removing residual metal, oxidizing, and dehydrating and drying. According to the method, the quartz raw ore is subjected to pretreatment such as crushing and screening, appropriate quartz powder particles are screened out and cleaned, then the two-stage high-gradient magnetic separator is adopted, iron, magnetism and mixture impurities with different strengths mixed in the quartz powder are fully removed, consumption of mixed liquid by the impurities in the later period is avoided, and the quality of the quartz powder is improved. According to the invention, multiple separation of substances in the treatment process is effectively reduced.

The invention discloses a process for recovering apatite from iron ore dressing tailings through flotation, and belongs to the technical field of ore dressing. The method comprises the following steps: 1, carrying out high-gradient magnetic separation treatment on the iron separation tailings, recovering and removing magnetic iron-containing minerals, returning the removed iron-containing minerals to an iron separation main process, feeding the tailings into a chute to remove large-particle gangue minerals, and then feeding the tailings into a thickening pool to be concentrated; secondly, sulfide ore flotation and gypsum flotation are sequentially carried out on the bottom flow products of the thickening pool to remove impurities prone to interference, then apatite collecting and direct flotation are carried out, and apatite concentrate is obtained; and 3, carrying out ultrafine grinding dissociation and impurity selective argillization on the apatite concentrate, and then carrying out apatite closed-loop concentration to obtain a qualified apatite concentrate product. According to the method, the apatite in the iron ore dressing tailings can be well recycled, and the method has great economic feasibility.

The utility model discloses a high gradient magnetic separator which comprises a rack, a feeding hopper, a first discharging hopper, a second discharging hopper, a driving motor, a rolling ring, an electromagnetic coil and a water spraying pipe, the rolling ring is rotationally connected to the rack, the driving motor is used for driving the rolling ring to rotate, a plurality of material rotating boxes are arranged on the rolling ring, and the electromagnetic coil is arranged in the material rotating boxes. The plurality of material transferring boxes are annularly and sequentially arranged at intervals; according to the magnetic separator, the feeding hopper and the rolling ring are arranged, the feeding hopper inputs ore materials into the multiple material rotating boxes of the rolling ring, then the rolling ring is driven by the driving motor to rotate and is matched with the electromagnetic coil so that iron powder in the material rotating boxes can be aggregated into iron balls, and then water is sprayed to the material rotating boxes through the water spraying pipe so that ore can form ore pulp; and finally, ore pulp is discharged to the first discharging hopper, iron balls are discharged to the second discharging hopper, iron powder is separated from ore, the overall structure is practical and reliable, and the automation degree is high.

A magnetic collection unit generates a magnetic field in an inside of a reaction cell and magnetically collects the magnetic particles in the suspension on an inner wall surface of the reaction cell, and includes a magnetic field generation unit that includes two magnets having a length equal to or longer than a distance from a liquid surface of the suspension in the reaction cell to a bottom surface of the reaction cell and generating a magnetic field across a range from the liquid surface to the bottom surface and includes a non-magnetic body, where the two magnets are disposed such that surfaces not having a magnetic pole face each other with the non-magnetic body being sandwiched therebetween, and opposite poles of the two magnets face the reaction cell; and a moving mechanism that moves the magnetic field generation unit between a magnetic collection position and a retreat position.

The invention discloses a dredging device for an ore unloading water pipe of a vertical ring high-gradient magnetic separator, which belongs to the technical field of flushing ore unloading equipment, and comprises a separation rotating ring capable of rotating, and a magnetic medium box is arranged on the circumferential surface of the separation rotating ring; a plurality of water spraying holes are formed in the bottom of the ore discharging water pipe; the movable cross beam is arranged in the ore unloading water pipe, a plurality of conducting columns are arranged on the movable cross beam, and a high-pressure air channel is formed in the movable cross beam; an air injection hole communicated with the high-pressure air channel is formed in the conduction column, and a first valve is arranged between the air injection hole and the high-pressure air channel; the movable cross beam can move between a first position and a second position; at the first position, the conducting column is separated from the water spraying hole; at the second position, the conducting column extends into the water spraying hole, and the first valve is in an open state; the conducting column can extend into the water spraying hole to directly eject impurities in the water spraying hole, meanwhile, ore unloading water quickly flows through the gap, high-pressure gas is sprayed out of the gas spraying hole, and the impurities on the inner wall of the water spraying hole are thoroughly removed through the combined action of the two.

A solid-core ring-magnet having one or more cavities is provided. The magnet can have an overall cylindrical shape or a rectangular-prism shape. In either case, a portion of cavity walls of the magnet are ring shaped, causing the magnetic field lines to emanate from the magnet so that the bead formation is in the shape of a ring. A bead separation magnet having a discontinuous or segmented cavity wall is also provided. The segmented cavity wall causes bead formation to form in a segmented or gapped ring to allow for easier manual pipetting. Also provided are systems and kits having the inventive magnets. Methods of purifying a macromolecule using the inventive magnets are also provided.

A sensor device 11 for a magnetic filter 10, converting an analogue signal therefrom to find and relay a filter status by interrogation of an electrically connected reference data library providing the correlation therebetween. A temperature sensor (50, fig 6) may be included. A user interface and LED display may be included. The filter may have an elongate magnetic core 12. The force sensing resistor may comprise a multilayer assembly made of at least two layers of flexible printed piezoelectric ink (31, 32a, 32b, 33, fig 4). The change in a force responsive sensor 25 may be measured. A time period remaining for saturation and / or the saturation point may be predicted via a counting process and / or a machine self-learning configuration. The system is designed to provide an indication of the status of contaminant capture in a magnetic filtration device with a sensor and data processing electronic components to calculate real-time a requirement for purging / cleaning of a filtration device prior to and / or at saturation.

A method of processing a flow of waste material, the method comprising a first separation stage including transporting a flow of waste material along a first flow path, wherein a first rotating drum is arranged adjacent the first flow path and is configured to magnetically collect a first output of material from said flow, the first output comprising ferrous material. The method also includes a second separation stage comprising transporting the material from the first output along a second flow path, wherein a second rotating drum is arranged adjacent the second flow path and is configured to magnetically collect a second output of material from the first output, the second output comprising ferrous material. Each separation stage is configured with a separation characteristic different from the other such that the ferrous content of the first output is different from the ferrous content of the second output.

The invention discloses a coal by-product resource utilization method based on reduction roasting-magnetic separation enrichment, and belongs to the technical field of coal processing by-product resource utilization. The invention provides a combustion oxidation decarburization-high-temperature reduction roasting-ore grinding dissociation-high gradient magnetic separation combined iron extraction process. Comprising the steps that liquefied slag is oxidized and decarbonized to generate ash (iron-containing minerals are oxidized into Fe2O3), reduction roasting is conducted (Fe2O3 is converted into Fe3O4), ore grinding dissociation is conducted (intergrowth of Fe3O4 and gangue minerals is dissociated, monomer dissociation is achieved, and the magnetic separation efficiency and the iron ore concentrate quality are improved), high-gradient magnetic separation is conducted (Fe3O4 concentrate and non-magnetic gangue tailings are obtained), and efficient iron extraction is achieved. In addition, effective recovery and efficient utilization of resources are achieved, heat generated in the oxidation decarburization and reduction roasting process is used for material drying, concentrate drying and steam generation, heat energy consumption is reduced, and efficient utilization of the combustion heat value is achieved.

The application discloses a pulsating multi-magnetic-pole recovery magnetic powder separator and relates to the technical field of magnetic separation equipment. The pulsating multi-magnetic-pole recovery magnetic powder separator comprises a magnetic separator frame, a residue discharging base is arranged at the lower part of the magnetic separator frame, a water washing mechanism is arranged at the upper part of the magnetic separator frame, a collecting groove is arranged at the bottom of the front end of the magnetic separator frame, a plurality of magnetic separation mechanisms are arranged in the middle of the inner cavity of the magnetic separator frame in a uniform and aligned manner, a scraping mechanism is arranged between adjacent magnetic separation mechanisms and at both ends of the inner cavity of the magnetic separator frame, and the scraping mechanism is arranged obliquely between the magnetic separation mechanism and the collecting groove. The gradient and closed strong magnetic field net in the magnetic separation mechanism can adsorb large-particle magnetic materials and capture tiny magnetic powder, thereby improving the overall recovery rate. The structural design of the magnetic separation zone and the discharging zone realizes the balance between secondary magnetic separation and efficient discharging, improves the magnetic separation efficiency, the strong magnetic assembly cooperates with the water washing mechanism to effectively reduce the content of concentrate impurities caused by magnetic wrapping, and the strong magnetic assembly and the electromagnetic component both adopt a modular assembly structure, thereby reducing the installation and maintenance costs.

The application discloses a kind of weak magnetic mineral separation methods of magnetic seed circulating reinforced flocculation magnetic separation, raw material is broken to grinding ore to the fineness of-75µm content 60%-90%, ore powder is configured into ore pulp, 100-400 grams / ton of magnetic seed is added to ore pulp, at the speed of 700-1500rpm Realize selective flocculation, and the flocculation of ore pulp is given to high gradient magnetic separator, under the action of magnetic force, surface attachment magnetic seed's manganese mineral flocculation is selectively adsorbed to the surface of magnetic separation drum, and is collected after scraping plate, and it is manganese concentrate, and non-magnetic or weak magnetic gangue mineral is discharged as tailings with ore pulp flow, and high-grade manganese minerals are efficiently separated by using permanent magnet cylinder type magnetic separator to process manganese-loaded magnetic seed.The present application solves the problems of low recovery rate, complex process, poor recovery effect of micro-fine particles and high environmental risk faced by the current industry, significantly improves the manganese recovery rate and concentrate grade, and realizes the maximum utilization of manganese resources in tailings.

A separation apparatus for separating a supply of high-level nuclear waste (HLW), where the HL nuclear waste is separated into high-mass and low-mass portions. The high-and-low mass portions of the HLW have respective atomic masses that are above and below an atomic mass cut-off point of the separation apparatus. The separation apparatus includes first and second ICP torches that are respectively mounted to and within an apparatus housing. The apparatus housing defines a cylindrical separation chamber and includes first and second magnetic elements which generate a magnetic field along the length of the separation chamber, and a plurality concentric ring electrodes which generate an electric field that is perpendicular to, and which crosses the magnetic field. The supply of HLW is subject to a mass separation process within the separation chamber using the set of crossed electric and magnetic fields.

The invention relates to the technical field of red mud recycling, in particular to a method for improving magnetic separation iron extraction efficiency by modifying red mud through industrial kiln tail gas CO2. The invention discloses a method for improving magnetic separation iron extraction efficiency by using industrial kiln tail gas CO2 modified red mud, which comprises the following steps: collecting tail gas discharged in the calcining process of an industrial kiln, and sequentially carrying out dust removal, desulfurization and compression to obtain compressed tail gas; the method comprises the following steps: mixing red mud with water, introducing compressed tail gas, and carrying out carbonization reaction at 60-80 DEG C to obtain carbonized modified red mud slurry; and the carbonized modified red mud slurry is placed in a high-gradient magnetic separator for magnetic separation, and refined iron powder is obtained. By means of the method, resource utilization of industrial kiln tail gas CO2 and efficient quality improvement of the red mud can be achieved, a dense alkali film wrapping hematite in the red mud is stripped, the hematite crystal structure is optimized, and meanwhile the iron extraction cost of the red mud and carbon emission of an industrial kiln are reduced.

A filter of a combination of magnetic and non-magnetic (i.e. screen or gauze) for use in a central heating and / or cooling system. The filter has at least three ports and any of the multiple pairs of ports can be used as an inlet and outlet, providing a variety of mounting options to accommodate systems with different space constraints. The non-magnetic filter screen can be repositioned to be placed in the flow path associated with only one of the ports in the selected pair of ports.