444 results about "Magnetic separator" patented technology

A method of processing waste consumable aerosol-generating articles by pyrolysis, the method comprising the steps of: feeding waste consumable aerosol-generating articles into a pyrolysis reactor, the aerosol-generating articles comprising at least some aerosol-generating articles comprising an aerosol-generating substrate with a metallic susceptor; heating the aerosol-generating articles in the pyrolysis reactor to a temperature sufficient to cause pyrolysis of non-metallic components of the aerosol-generating articles into gaseous products and char, wherein the temperature is less than a melting temperature of the metallic susceptors; extracting the gaseous products from the pyrolysis reactor and feeding the gaseous products to a condensing separator; and feeding the char from the pyrolysis reactor to a magnetic separator and separating the metallic susceptors from the char by applying a magnetic field; wherein at least some of the heat in the pyrolysis reactor is generated by applying an alternating electromagnetic field to the aerosol-generating articles so as to induce eddy currents in the metallic susceptors.

The invention relates to the technical field of waste treatment, and discloses waste fan blade harmless treatment equipment which comprises a machine table, the right side of the machine table is fixedly connected with a magnetic separator, the right side of the magnetic separator is fixedly connected with a fine crusher, the right side of the fine crusher is fixedly connected with a grinding room, and the top of the machine table is fixedly connected with two motors. The crushing wheel is used for discarding fan blades, when crushing teeth make contact with an overturning ring on a rotating shaft, the rotating shaft is driven to rotate, so that a first gear is driven to rotate, a movable brush only moves in the horizontal direction, the crushing wheel is swept, and the situation that when the discarded fan blades are crushed, resin structures exist in the fan blades, and the crushing efficiency is improved is effectively reduced. The problems that the temperature of the local position of the crushing wheel rises during crushing, the resin is softened and wraps the crushing wheel, and part of the crushed tiny glass fibers are adhered to the resin and are solidified on the crushing wheel to extrude the crushing space are solved.

The utility model relates to building aggregate processing technical field, and disclose a kind of turnover building aggregate crushing device, including crushing bin, the top fixed mounting of crushing bin has feeding hopper, the bottom fixed mounting of crushing bin has discharge hopper, the outside fixed mounting of crushing bin has support leg, the inside extension of crushing bin to outside is provided with crushing magnetic separation mechanism, the inside extension of crushing bin to outside is provided with turnover screening mechanism, crushing magnetic separation mechanism includes crushing assembly and magnetic separation component, crushing assembly is set in the inside extension of crushing bin to outside, magnetic separation component is set in the inside extension of crushing bin to outside.The turnover building aggregate crushing device, by setting crushing magnetic separation mechanism, in use, by main crushing roller and vice crushing roller synchronous reverse rotation, make it will waste concrete be crushed into building aggregate, simultaneously by setting magnetic separation cylinder to the magnetic separation of building aggregate after crushing, remove internal magnetic metal.

The utility model relates to the technical field of comb tooth magnetic separators, and discloses a comb tooth magnetic separator which comprises a separator shell, scrap scraping plate mechanisms are fixedly arranged at the front ends of the inner walls of the two sides of the separator shell through bolts, and a filter box mechanism is fixedly arranged at the front end of one side of the separator shell. The chip scraping plate mechanism comprises a fixing plate, a plurality of clamping grooves are formed in the front end of the fixing plate, a plurality of chip scraping blocks are arranged at the front ends of the clamping grooves in a clamped mode, elastic clamping blocks are fixedly arranged on the rear sides of the chip scraping blocks, the filter box mechanism comprises a filter box, and a fixing box is fixedly arranged on the inner wall of the other side of the filter box through bolts. And a filter screen is fixedly arranged in the fixed box. According to the magnetic roller scrap scraping device, the scrap scraping plates can effectively scrape off impurities on the surface of a magnetic roller, the scrap scraping blocks are made of stainless steel wear-resistant materials, the elastic clamping blocks are made of rubber materials, installation and fixation are convenient, the multiple scrap scraping blocks are detachable, when a single scrap scraping block is damaged, the scrap scraping blocks can be directly replaced, and resource waste is reduced.

The invention provides a treatment method and device for intelligently and comprehensively utilizing solid waste of a thermal power plant, and relates to the technical field of resource utilization of the solid waste of the thermal power plant, and the method comprises the steps that a multi-mode sensor array detects the particle size, components and magnetic characteristics of the solid waste in real time, and slag, fly ash and desulfurized gypsum are classified through a machine learning model; constructing a virtual model by means of digital twinning, optimizing a melting temperature parameter through deep reinforcement learning, uploading monitoring data to a cloud end through edge calculation, and triggering process adaptive adjustment; iron elements are recycled by a wet high-gradient magnetic separator, copper and aluminum metals are extracted by smelting reduction of non-magnetic slag, and a composite building material is prepared from residues or 5-25mm inert slag is used as a road base; rare metals such as vanadium, titanium and nickel are extracted from residual slag through acid leaching, leaching liquid is subjected to solvent extraction or ion exchange enrichment, processing data are stored through a block chain, and traceability of the whole life cycle is achieved. The comprehensive resource utilization rate of the solid waste of the thermal power plant is remarkably improved, and meanwhile the overall treatment energy consumption is reduced.

The utility model relates to an efficient titanium dioxide crude product classification treatment device which is characterized in that a discharge port of a bucket elevator is connected with an inlet electric three-way valve through a discharge pipe, a first discharge pipe connected with the inlet electric three-way valve is connected into a crude product bin, and a second discharge pipe is connected into a temporary storage bin; a discharging pipe at the bottom of the temporary storage bin is connected with an outlet electric three-way valve, a first material distributing pipe connected with the outlet electric three-way valve is connected into a first magnetic separator, an outlet of the first magnetic separator is connected into a spiral conveyor through a qualified material pipe, and a discharging pipe of the spiral conveyor is connected with an inlet of a bucket elevator; a second material distributing pipe connected with the outlet electric three-way valve is connected into a second magnetic separator, and an outlet of the second magnetic separator is connected with a discharging and packaging system through an unqualified material pipe. The device can quickly isolate abnormal materials from a main production line to enter the temporary storage bin, avoids mixed loading pollution with normal materials, and ensures stable quality of main products.

The utility model provides magnetic separation equipment for recycling waste metal and surface wastes, and materials to be subjected to magnetic separation can be solid materials such as waste metal chippings and can also be slurry-shaped materials generated in the resource utilization process of pickling slurry; materials are fed into the magnetic separation main body through the spiral feeder, the magnetic plates are subjected to magnetic separation, the lifting rotating shaft is matched to drive the plate brush to lift and rotate to push away and flatly lay the materials on the magnetic plates, each layer of magnetic plate fully adsorbs metal particles, the plate brush pushes impurities and redundant materials into the lower layer of magnetic plate, and the impurities are finally discharged from the discharge port after layer-by-layer magnetic separation. And then the magnetism of the magnetic plate is eliminated, the metal particles fall off from the magnetic plate, the residual metal particles are swept to the discharging opening through the plate brush, and therefore collection of all the metal particles and cleaning of the interior of the magnetic separator are achieved.

The utility model discloses a control system for a wet-method pulverizing production line, which relates to the technical field of mechanical pulverizing equipment and comprises an industrial personal computer and an industrial router connected with the industrial personal computer through Ethernet communication. The jaw crusher control component, the cone crusher control component, the transfer stock bin control component, the double-roller flour mill control component, the vibrating screen control component, the separating tower control component, the magnetic separator control component, the second dewatering screen control component and the first conveying belt control component are connected with the industrial router through Ethernet communication. A first conveying belt control component, a second conveying belt control component, a third conveying belt control component, a fourth conveying belt control component, a first conveying pump control component and a water spraying device control component; the device has the characteristics that the device is convenient to operate and control, one-key start, one-key stop and one-key sudden stop of the whole line can be realized, and the operation data of the whole line can be automatically stored; the device is matched with a wet-method pulverizing production line and is suitable for preparing mineral powder such as quartz sand powder, dolomite powder and calcium carbonate powder.

The utility model belongs to sewage treatment technical field, specifically is a kind of device for improving recovery rate of magnetic separation machine in magnetic coagulation process, including the shell, the shell surface is equipped with feed inlet;The motor is fixedly connected on the shell side wall;The output of motor is fixedly connected with rotating rotor;The shell inner wall is fixedly connected with magnetic attraction subassembly;The flexible shell is fixedly connected on the shell bottom;The flexible shell bottom and shell are sliding relationship;The mud outlet is equipped on the shell bottom;The lateral wall of shell bottom is fixedly connected with crossbeam;The spring telescopic link is fixedly connected on the crossbeam surface;The recovery rate of magnetic separation machine is significantly improved, the supplement amount of magnetic seed is reduced, and the loss of magnetic powder with waste water and sludge is reduced, the risk of secondary pollution is reduced, and the overall operation efficiency and stability of magnetic coagulation process are improved.

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 utility model belongs to the technical field of electrolytic aluminum screening, and particularly relates to an electrolytic aluminum waste residue magnetic separation screening device which comprises a first conveying belt used for conveying electrolytic aluminum waste residues and a second conveying belt used for conveying residues obtained after magnetic separation, and a magnetic separation mechanism is arranged above the first conveying belt and the second conveying belt and rotationally connected to a support. A scraping mechanism is arranged on the lower end face of the magnetic separation mechanism and located on one side of the second conveying belt. The magnetic separation mechanism comprises a magnetic separation disc, clamping grooves are evenly formed in the magnetic separation disc, and permanent magnets are placed in the clamping grooves. The electrolytic aluminum waste residues are conveyed through the first conveying belt, the waste residues containing iron and the like which can be magnetically adsorbed can be adsorbed by magnetic force generated by the magnetic separation mechanism when passing through the magnetic separation mechanism, and then the waste residues are subjected to magnetic separation through rotation of the magnetic separation mechanism; and the adsorbed waste residues are turned to the upper end of the second conveying belt, the adsorbed waste residues are scraped off through the scraping mechanism and fall onto the second conveying belt, and therefore the purpose of screening the waste residues is achieved.

The utility model discloses a kind of wet permanent-magnetic drum-type magnetic separators magnetic roller cleaning device, including support frame, the middle part of support frame is equipped with material collecting groove, the magnetic roller is equipped with in the upper of material collecting groove of support frame, motor drive assembly is fixedly installed in the one side of magnetic roller of support frame, the first support plate is equipped with in the one side of magnetic roller of support frame both ends, shaft rod is inserted in two the middle part of first support plate, the scraper is equipped with between two first support plates of shaft rod, the second support plate is equipped with in the side away from magnetic roller of first support plate, water pipe is inserted in two second support plates, the side close to magnetic roller of water pipe is equipped with multiple equidistantly arranged high-pressure spray head. This kind of scraper water flushing device reduces the dependence on water resources, reduces the damage to magnetic roller, by the setting of scraper water flushing, effectively improve the efficiency of magnetic roller cleaning.

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.

The utility model belongs to the technical field of sorting devices, and particularly relates to a photoelectric recognition and magnetic separation linkage ore waste throwing and sorting device which comprises a flow dividing box, a recognition channel is fixedly connected to the left side of the flow dividing box, a feeding port is formed in the left side of the upper end of the recognition channel in a communicating mode, and a cleaning mechanism is arranged on the inner side of the feeding port. A conveying belt is installed at the bottom of the inner side of the recognition channel, a magnetic separation assembly is arranged at the top of the inner side of the recognition channel, a ray source is arranged at the top of the inner side of the recognition channel, a supporting plate is fixedly connected to the inner wall of the recognition channel, and a detector is installed at the upper end of the supporting plate. The magnetic separation assembly is arranged on the top of the inner side of the device, a part of ore is sucked through the magnetic separator and collected into the material collecting bin through the scraper blade and discharged in a unified mode in the later period, the purpose of lowering the waste throwing position during ore waste throwing is achieved, and the situation that too many ore is not accurately recognized, and consequently the ore and waste are stacked together is avoided.

The present application belongs to the technical field of quartz sand sorting process and equipment, and particularly relates to a medium box dismounting device specially used for a vertical ring high gradient magnetic separator. The dismounting of the medium box of the magnetic separator completely depends on manual operation, which is complicated and inefficient, and the medium box is easily tilted, the nut is wrongly toothed or the mounting thread is damaged due to unstable clamping. The present application provides a medium box dismounting tool, which can tighten or loosen the fixing nut while clamping the medium box, thereby significantly improving the dismounting efficiency and safety. The dismounting device comprises a pair of clamping arms, the lower ends of the clamping arms are provided with clamping portions, and the medium box is arranged between the pair of oppositely arranged clamping portions of the pair of clamping arms to realize fixation. The present application can conveniently grasp, assemble and fix the magnetic medium box of the magnetic separator, reduces the subjective error probability of manual operation, saves time and effort, and is more convenient to take and operate in cooperation with a mechanical arm, can more labor-savingly align the assembly hole position, and more quickly rotates and tightens the nut.

The utility model relates to the technical field of coal dressing, in particular to a magnetic separator tailing overflow self-circulation water replenishing device which comprises a magnetic separator, a feeding port of the magnetic separator is connected with a dilute medium barrel through a feeding pipe, a water pump is arranged on the feeding pipe, a water inlet of the dilute medium barrel is connected with a water replenishing pipeline, and an overflow pipe of the magnetic separator is located above an opening of the dilute medium barrel. An overflow pipe of the magnetic separator is connected with one end of a backflow pipeline, the other end of the backflow pipeline is located above the dilute medium barrel and close to an opening of the dilute medium barrel, and water overflowing from the overflow pipe of the magnetic separator flows into the dilute medium barrel through the backflow pipeline under the action of gravity. According to the utility model, water overflowing from the overflow pipeline of the magnetic separator can automatically flow to the dilute medium barrel to be used as replenished water, so that the circulation of water resources in the coal dressing system is realized, the use of external water is reduced, additional equipment is not needed, and unnecessary power consumption is effectively reduced, energy is saved and consumption is reduced while the production process is stabilized.

1. Name of the product in this design: Magnetic Separator (Dry Type). 2. Application of this design: Magnetic separator for separating magnetic materials and removing iron. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

The application disclose an internal and external magnetic separation mechanism, including magnetic separation outer cylinder, external magnetic suction component, magnetic separation inner cylinder, inner magnetic suction component, the external magnetic suction component is arranged under the magnetic separation cylinder, and the magnetic separation outer cylinder can rotate relative to the external magnetic suction component; One end of the magnetic separation inner cylinder can rotate into the magnetic separation outer cylinder, the inner magnetic suction component is arranged between the magnetic separation outer cylinder and the magnetic separation inner cylinder and is located below the magnetic separation inner cylinder, the ore will first enter the magnetic separation inner cylinder for the first magnetic separation, and then flow to the magnetic separation outer cylinder, for the second magnetic separation. Extend the ore in the internal path of the magnetic separation mechanism and residence time, so that the ore has gone through two magnetic separation, effectively improve the effect of magnetic separation.

The utility model discloses a spraying structure of a magnetic separator. The spraying structure comprises a screening shell, the screening device comprises a screening shell, a roller and a permanent magnet, the roller is rotationally arranged in the screening shell, the permanent magnet is installed in the roller and fixedly connected with the screening shell through a supporting column, and a spraying pipe is arranged on one side, corresponding to the roller, of the screening shell. A spraying pipe is arranged on one side of the screening shell, so that high-efficiency adsorption and separation of iron-containing substances are realized; due to the rotary arrangement of the roller, adsorbed iron-containing substances can be rapidly taken out of the screen spraying pipe, the separation effect of the iron-containing substances is enhanced through the high-pressure washing function, the spraying water pressure is large, the magnet powder recycling efficiency is high, the production cost is saved, a polyurethane scraping plate is stopped from being used, static pollution is reduced, abrasion of the roller of the magnetic separator is reduced, and the service life of the magnetic separator is prolonged. The replacement frequency is reduced.

The invention relates to the technical field of magnetic separators, and discloses magnetic separation equipment for reduced iron powder processing, which comprises a frame, a groove body is fixed on one side of the frame, a magnetic separation cylinder is fixed on one side of the groove body, a magnetic separation shaft is rotatably arranged on the inner side of the magnetic separation cylinder, and a motor is fixed on one side of the frame. A first belt pulley is fixed to the output end of the motor, a second belt pulley is fixed to one end of the magnetic separation shaft, a feeding assembly is arranged on one side of the frame, a support is fixed to one side of the frame, a tiling assembly is arranged on one side of the support, a third side plate is fixed to one side of the frame, and a third rotating shaft is rotationally arranged on one side of the third side plate. A third belt pulley is fixed to one end of the third rotating shaft, a first transmission belt is connected among the first belt pulley, the second belt pulley and the third belt pulley in a friction mode, a second bevel gear is fixed to one end of the third rotating shaft, and a fourth belt pulley is fixed to one end of the magnetic separation shaft. The device has the beneficial effects that the structure is reasonable, material accumulation is avoided, and discharging is convenient.

The utility model belongs to the technical field of drum protection, and particularly relates to a wet drum magnetic separator drum protection mechanism which comprises a drum main body and end covers arranged on two sides of the drum main body, a magnetic system assembly is arranged in the roller body and comprises a shaft body, a set of bearings are arranged on the shaft body, supporting pieces are arranged on the outer sides of the bearings, strong magnetic electromagnets are arranged below the supporting pieces, mounting mechanisms are arranged on the two sides of the roller body respectively, and the sealing protection mechanisms are matched with the mounting mechanisms. The mounting mechanism comprises a plurality of positioning holes uniformly formed in the side part of the roller main body, a ring groove is formed in the end part of the roller main body, the sealing protection mechanism comprises an outer ring and an inner ring which are arranged on the end cover, the outer ring is inserted into the ring groove, and the inner ring is attached to the inner wall of the roller main body. Water in ore pulp is prevented from easily permeating into the cylinder to affect normal use of the magnetic system assembly in the roller body.

The invention relates to the technical field of magnetic separation and crushing, in particular to magnetic separation and crushing equipment for white corundum, which comprises a base, an outer cylinder and a crusher are arranged on the base, the outer cylinder has an inclined trend that the head is higher than the tail, and the outer cylinder consists of a front sealing plate, a rear sealing plate and a cylinder body. The device integrates the functions of crushing, precision screening, magnetic separation screening and discharging, and is high in automation degree and good in practicability; a double-channel parallel magnetic separation mechanism is adopted, and compared with traditional magnetic substance screening equipment, maximum utilization of magnet materials is achieved through the inner working interface and the outer working interface of the permanent magnet; according to the invention, the material flow is divided into the coarse sub-flow and the fine sub-flow according to the granularity, and the coarse sub-flow and the fine sub-flow are respectively subjected to independent magnetic separation, so that the material throughput of a unit channel is reduced, and the problem that the magnetic separation efficiency is reduced due to overhigh material throughput under the working condition of large treatment capacity is fundamentally solved; and the device can still keep a stable and efficient magnetic impurity removal rate under a high input load.

The utility model provides a magnetic separation mechanism for tea processing, which comprises a support frame and baffles arranged on two sides of the top of the support frame at intervals, a conveying belt is arranged between the two baffles, and the conveying belt is driven by a driving mechanism to operate. A feeding hopper is arranged on the baffle on the upper side of one end of the conveying belt, a discharging groove is formed in the baffle on the lower side of the other end of the conveying belt, a layer of magnetic sheet is arranged on the outer side face of the conveying belt, a material stirring assembly is arranged between the two baffles on the upper side of the magnetic sheet, and a scraping assembly is arranged between the two baffles on the side, away from the material stirring assembly, of the conveying belt. The magnetic separator is reasonable in structural design, low in manufacturing cost, convenient to operate, good in magnetic separation effect and free of manual cleaning.

The utility model provides a quartz sand magnetic separation device relates to quartz sand production and processing equipment technical field, including device ontology, group crushing mechanism, set up in the inside of device ontology, the overall magnetic separation mechanism sets up in the inside of device ontology, screening magnetic separation mechanism sets up in the inside of device ontology, the overall magnetic separation mechanism includes material cylinder, material cylinder fixed mounting is in the inside of device ontology, the top and bottom symmetry of material cylinder are equipped with the pass, the both sides of device ontology symmetry are equipped with the rotary disc, two between two rotary disc are equipped with two magnetic separation roller, two magnetic separation roller all are equipped in the inside of material cylinder, one side mounting of single rotary disc has two second servo motors. The utility model discloses the setting of overall magnetic separation mechanism, utilizes two magnetic separation roller of alternative flip to the metal in quartz sand and carries out adsorption, expands quartz sand and the contact area of magnetic separation roller, and then improves the magnetic separation efficiency.

The utility model discloses a dehydration device and a water circulation system. The dewatering device comprises a magnetic separator, the magnetic separator comprises a first feeding groove, a roller, a first driving component, a scraper, a first magnetic system and a first discharging groove, the lower portion of the roller is arranged in the first feeding groove, the first magnetic system is rotationally connected with the inner wall of the roller, the first magnetic system is provided with a first notch facing the scraper, and the scraper abuts against the surface of the roller and extends to the first discharging groove. The first driving part is in driving connection with the roller; the filter comprises a second feeding groove, a filter cartridge, a second driving part, a second discharging groove and a water outlet groove, the second feeding groove is communicated with the first discharging groove, the upper portion of the filter cartridge extends into the second feeding groove, the second discharging groove and the water outlet groove are located on the lower portion of the filter cartridge, and the second driving part is in driving connection with the filter cartridge. The water circulation system comprises water atomization process equipment and a dehydration device. The dehydration device can be suitable for material dehydration after a water atomization pulverizing process, and the dehydration effect is good.

The utility model discloses a water atomization iron powder magnetic separator, and particularly relates to the technical field of water atomization iron powder processing, the water atomization iron powder magnetic separator comprises an iron powder magnetic separator body, the iron powder magnetic separator body comprises an iron powder magnetic separator shell, a magnetic roller is rotatably arranged on the inner side of the iron powder magnetic separator shell, and a feeding pipe is arranged on the iron powder magnetic separator shell; a discharging pipe is arranged on the lower end face of the feeding pipe, a filter screen is arranged on the inner side of the discharging pipe, an impurity cleaning assembly is arranged above the filter screen and comprises two through openings formed in the discharging pipe, baffles are movably arranged on the inner sides of the through openings, inserting rods are arranged on the baffles, and the inserting rods are movably arranged on the inner sides of the through openings. The inserting rod is sleeved with a spiral spring, and an inserting hole is formed in the top end of the inner side of the through opening. Through the arrangement of the impurity cleaning assembly, impurities filtered on the filter screen can be cleaned, so that the phenomenon that the impurity filtering effect of the filter screen is influenced due to more impurities filtered on the filter screen can be avoided.

The utility model discloses a demagnetizing device, which relates to the technical field of superconducting magnetic separators, is used for demagnetizing mineral particles remained on a superconducting magnetic separator and adhered on magnetic conductive stainless steel wool inside a separating tank, and comprises a magnet ring, an electromagnetic coil and a control cabinet, and an electromagnetic coil is arranged at the top of the magnet ring, is electrically connected with the control cabinet, is electrified and generates a reverse magnetic field under the interaction of the magnet ring. The device has the effects of solving the problem of adhesion of mineral particles, improving the flushing efficiency and guaranteeing the treatment quality of subsequent products.

The present invention relates to a facility for manufacturing a secondary battery, and particularly, to an NMP system and a method for controlling same, whereby metal foreign substances that cause a low voltage of an electrode can be effectively removed. According to an embodiment of the present invention, it is possible to provide an NMP system comprising: a first storage tank for storing NMP recovered from an electrode process and purified; a main line which has two parallel lines in an initial section and transfers NMP from the first storage tank to a second storage tank for storing NMP used in a process for mixing a slurry used in the electrode process; and magnetic separators which are vertically installed on each of the two parallel lines and separate magnetic foreign substances from NMP discharged from the first storage tank.

The utility model discloses an artificial rutile magnetic separation device and relates to the technical field of magnetic separation devices. The device comprises a bottom plate, the top of the bottom plate is fixedly connected with a first material collecting mechanism and a second material collecting mechanism, the first material collecting mechanism is located on the front side of the second material collecting mechanism, the two sides of the top of the bottom plate are fixedly connected with vertical plates, and the tops of the vertical plates are fixedly connected with magnetic separation mechanisms. And a material distributing mechanism is arranged on the back surface of the magnetic separation mechanism. The adjustable range of the magnetic field intensity of the electromagnetic roller is 4000-6000 GS, the magnetic field intensity can be flexibly adjusted according to use requirements, the requirements for magnetic separation of artificial rutile in different scenes are well met, the applicability and universality of the device are enhanced, the distance between the scraping plate and the electromagnetic roller can be adjusted according to requirements, and the electromagnetic roller is convenient to use. And by means of cooperative work of components such as an electric telescopic rod and a transmission rod, the artificial rutile adsorbed and conveyed by the electromagnetic roller can be effectively scraped off.

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.