238results about "High gradient magnetic separators" patented technology

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 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 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 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.

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.

Systems and methods are provided for separating or filtering magnetic nano scale particles (e.g., such as dysprosium (Dy), iron (Fe), yttrium (Y), cobalt (Co), nickel (Ni), and others) at the industrial scale with minimum energy consumption. A continuous, scalable flow system can be applied equally to the separation of paramagnetic particles and diamagnetic particles. The system can be continuous in the sense that the fluid can be continuously circulated through the separation chamber and, depending on the operating conditions, may not require multiple separation steps. At the same time, the system can be scaled up to industrial applications to separate magnetic particles from a large volume of fluids, for example at a rate of a few cubic meters per hour (m3 / hr).

The utility model discloses a sleeve for a filter cartridge of a superconducting magnetic separator, which relates to the technical field of superconducting magnetic separators and comprises a sleeve body made of glass fiber resin materials. A filter element and two pipelines are arranged in the sleeve body, one end of the filter element is communicated with the two pipelines, the other end of the filter element is connected to a rear end cover of the sleeve body, and the other ends of the two pipelines are respectively communicated with two outer pipes through a front end cover of the sleeve body. According to the utility model, the material sleeve is changed into the glass fiber resin G10 to replace the original stainless steel material, meanwhile, four pipelines which are connected with the original sleeve and have two inlets and two outlets are improved into two pipelines which can automatically control the inlet and outlet, and the valves are used for controlling the inlet water or ore pulp and the outlet products or tailings which are magnetically separated, so that the water or ore pulp can be recycled. The device has the advantages that interference of metal materials in a magnetic field can be reduced, the number of used pipelines is reduced, the size of a single pipeline is enlarged, space is saved, and meanwhile the treatment capacity is increased.

The application discloses a magnetic separation process for separating fine-grained copper-molybdenum mixed concentrate, and comprises the following steps: roasting and deoiling the fine-grained copper-molybdenum mixed concentrate to obtain copper-molybdenum mixed dry concentrate; preparing a slurry by mixing the copper-molybdenum mixed dry concentrate and water, and sequentially adding an inhibitor, a magnetic intensifier, a strong oxidant and an adjusting agent into the slurry to obtain a copper-molybdenum mixed slurry; and feeding the copper-molybdenum mixed slurry into a wet high-intensity magnetic separator to perform copper-molybdenum magnetic separation, so as to obtain copper concentrate and molybdenum concentrate. The inhibitor, the magnetic intensifier, the strong oxidant and the adjusting agent jointly solve the problem of easy agglomeration of chalcopyrite and molybdenite. During the magnetic separation process of the wet high-intensity magnetic separator, a large amount of flushing water needs to be added, and the reagents on the surface of the copper concentrate can be washed away by the flushing water, so that a good reagent removal effect can be achieved. The obtained magnetic separation concentrate is copper concentrate (copper content is greater than or equal to 12%), which not only increases the economic benefit of the product, but also improves the resource utilization rate.

The invention relates to a titanium separation process for ilmenite, which belongs to the technical field of mineral separation and comprises the following steps: screening raw materials to form screen underflow; after the undersize article position is lifted, magnetic substances are formed, and concentrated materials are formed through desliming and concentration; screening the concentrated material to form a coarse material and a fine material; the fine materials enter the first-section spiral chute to form first-section concentrate, first-section middlings and first-section tailings, the first-section middlings enter the second-section spiral chute to form second-section concentrate, and the second-section middlings, the second-section tailings and the first-section concentrate enter the third-section spiral chute to form third-section concentrate, third-section middlings and third-section tailings; after the first-section tailings and the second-section tailings are preferably selected, tail concentrate is formed and returns to the first-section spiral chute for re-selection; the second-section concentrate enters a third-section spiral chute, and the second-section middling returns to the second-section spiral chute for re-separation; and dehydrating the third-section concentrate to form a finished product, returning the third-section middling to the third-section spiral chute for re-separation, returning the third-section tailings to the second-section spiral chute for re-separation, and finishing separation. The method has the effects that the tail running amount is reduced, and adverse effects on the recovery rate are reduced.

The invention discloses a pulsation multi-magnetic-pole recovery magnetic powder separator, and relates to the technical field of magnetic separation equipment. Comprising a magnetic separation rack, a slag discharging base is arranged on the lower portion of the magnetic separation rack, a washing mechanism is arranged on the upper portion of the magnetic separation rack, a collecting groove is formed in the bottom of the front end of the magnetic separation rack, and a plurality of magnetic separation mechanisms which are evenly aligned are arranged in the middle of an inner cavity of the magnetic separation rack. And the scraping mechanism is obliquely arranged between the magnetic separation mechanism and the collecting tank. A gradient and closed high-intensity magnetic field net in the magnetic separation mechanism not only can adsorb large-particle magnetic materials, but also can capture tiny magnetic powder, the overall recovery rate is improved, the balance of secondary magnetic separation and efficient discharging is achieved through the structural design of a magnetic separation area and a discharging area, the magnetic separation efficiency is improved, and the magnetic separation efficiency is improved. The strong magnetic assembly is matched with the washing mechanism to effectively reduce the content of concentrate impurities caused by magnetic wrapping, the strong magnetic assembly and the electromagnetic component are both of a modular assembly structure, and the installation and maintenance cost is reduced.

The invention discloses a shot blasting, sorting, cleaning and recycling system. Steel shots, oxide skin and dust are separated through a stirring kettle by means of flowing of a liquid medium. An electromagnetic module attached to the side wall of the kettle body is arranged outside the kettle body, the magnetic field of the electromagnetic module is changed through a current control module, and gradient magnetic attraction is generated to enable steel shots, oxide skin and dust to be mixed with liquid in sequence and discharged; the invention further discloses a shot blasting, sorting, cleaning and recycling method. The method comprises the steps of liquid mixing and stirring (enabling dust, steel shots and oxide skin to be preliminarily dispersed), gradient magnetic attraction (enabling a high-intensity magnetic field to attract the steel shots and enabling a medium-intensity magnetic field to attract the oxide skin) and step-by-step impurity removal (firstly removing non-magnetic dust liquid, then enabling the oxide skin to be separated and discharged by lowering the magnetic field, and finally achieving thorough separation of the steel shots and the impurities). And dust, oxide skin and steel shots in waste materials generated by shot blasting are effectively separated.

A system and a method for flow assurance for a flare gas recovery unit are provided. An exemplary flow assurance system includes a knockout drum having a flare header coupled to an inlet, a high-efficiency separator coupled to an outlet of the knockout drum, a magnetic separator coupled to the outlet of the high-efficiency separator, and a multistage compression system coupled to the outlet of the magnetic separator.

The application discloses a method for recovering lepidolite by composite magnetization magnetic separation. The method comprises the following steps: mixing and ball-milling raw ore containing lepidolite and an activator containing iron powder, a sulfate and ferroferric oxide, dispersing the obtained ball-milling product in a solvent to form a slurry, performing superconducting low-intensity magnetic separation on the slurry to obtain an iron-removed slurry, and performing superconducting high-intensity magnetic separation on the iron-removed slurry to obtain magnetized lepidolite. The method greatly improves the surface activity of lepidolite through the synergistic effect of high-energy ball-milling mechanical energization and activator chemical energization. Furthermore, the method uses a multi-stage composite magnetization magnetic separation process of surface magnetization-low-intensity magnetic separation-high-intensity magnetic separation, thereby greatly improving the concentrate grade while improving the recovery rate of lepidolite. The method is simple in process, low in equipment investment, and suitable for industrial production and application.