36results about How to "High iron removal efficiency" patented technology

The invention relates to a method for driving impurity iron to enrich and purify aluminum alloy return scrap and a product, the aluminum alloy return scrap is placed in a crucible, is heated in a resistance furnace and is subjected to heat preservation for a period of time, so that the return scrap is fully molten, and a melt is obtained; continuously preserving the heat of the melt, connecting two parallel electrodes with a pulse power supply, vertically inserting the two parallel electrodes into the melt, and preheating for a period of time; setting a first pulse voltage, a first pulse current and a first pulse frequency according to the impurity iron content of the aluminum alloy return scrap; second pulse voltage, second pulse current and second pulse frequency are set according to different heat preservation temperatures during melt electric pulse treatment, and electric pulse treatment is applied to the melt for a period of time in the heat preservation stage; and closing the resistance furnace and the pulse power supply after treatment, and cooling the melt along with the furnace to obtain a sample. The method effectively solves the problem of malignant accumulation of impurity iron elements in the aluminum alloy resource recycling process. The method is short in treatment time and high in iron removal efficiency, and the production cost can be greatly reduced.

The invention relates to the technical field of cement preparation, and discloses a preparation method of low-carbon cement, which comprises the following steps: preparing 70% + / -5% of limestone and 10% + / -5% of clay as raw materials, then selecting a proper amount of slag fly ash according to construction requirements, carrying out dry grinding and homogenization to prepare a cement raw material, calcining the cement raw material, and drying the cement raw material to obtain the low-carbon cement. According to the preparation method of the low-carbon cement, the cement clinker is pre-ground through the pre-grinding assembly arranged at the top of the roller press main body, so that the shutdown influence on a fixed roller and a movable roller due to the fact that the granularity of the cement exceeds the standard is avoided; meanwhile, iron impurities in cement clinker are removed by the magnetic bars, so that the influence of the iron impurities on the fixed roller and the movable roller is reduced, the grinding yield and efficiency of the fixed roller and the movable roller are improved, then the electricity consumption of the device is reduced, and the carbon emission of cement prepared by the device is indirectly reduced.

The utility model relates to a photovoltaic broken glass wear-resistant elephant trunk capable of removing iron, and belongs to the technical field of photovoltaic glass processing. The wear-resistant lining plates are uniformly mounted on the inner wall of the square pipeline, the access hole is formed in the side wall of the bottom end of the square pipeline, one side of the cleaning door is hinged to the square pipeline, and the magnet is fixedly mounted on the inner side of the cleaning door and extends into the square pipeline through the access hole; the wear-resisting lining plate is installed on the inner wall of the square pipeline, the wear-resisting lining plate makes contact with glass, contact and abrasion between the glass and the inner wall of the square pipeline are reduced, introduction of mechanical iron is reduced, and the service life of the square pipeline can be prolonged. The magnet is installed on the cleaning door, and when scrap iron is cleaned, the cleaning door is opened, and the magnet is pulled out along with rotation of the cleaning door. The gravity of the magnet is borne by a hinge shaft of the cleaning door, cleaning is facilitated, the labor intensity of workers is reduced, and the working efficiency is improved; iron removal is carried out in the material guiding process of the chute with dispersed materials through the magnet, the iron removal efficiency is effectively improved, and the product quality is guaranteed.

The utility model discloses an iron removal device for water slag treatment, which comprises a treatment box, a feeding hopper is arranged at the top of the treatment box, a water outlet is arranged at the bottom of the treatment box, a primary iron removal structure and a secondary iron removal structure are arranged in the treatment box, and the primary iron removal structure is positioned at the upper part of the secondary iron removal structure; the primary iron removal structure is composed of two magnetic barrels which are oppositely arranged and can rotate, the secondary iron removal structure is composed of two electromagnetic structures which are oppositely arranged, and water granulated slag enters the treatment box from the feeding hopper, is subjected to primary iron removal and secondary iron removal through the primary iron removal structure and the secondary iron removal structure in sequence and then is discharged from the water outlet; according to the iron removal device provided by the utility model, two-stage iron removal treatment on the iron chips in the water granulated slag is realized through the primary iron removal structure and the secondary iron removal structure, the iron chips in the water granulated slag are adsorbed by utilizing the rotation of the magnetic barrel, and then the iron chips are adsorbed by utilizing the electromagnetic structure after being electrified, so that secondary recovery treatment on the iron chips is realized; and the iron removal effect and efficiency are enhanced.

The invention discloses a combined device for removing trace iron in a ceramic raw material, which comprises a first-stage iron removal body and a second-stage iron removal body, the second-stage iron removal body comprises an outer cylinder, the outer cylinder is provided with a support cylinder capable of rotating reversely, and a raw material distributor (4) fixed on the inner wall of the outer cylinder is arranged between the support cylinder and a raw material feeding pipe. Electromagnetic blocks are fixedly arranged on the surface of the supporting barrel at intervals, the electromagnetic blocks are divided into an abcd area and an ad area on the section of the supporting barrel, a wedge-shaped pressing block is arranged on the supporting barrel opposite to the point a position of the ad area, an arc-shaped contact plate is arranged on an end plate of the outer barrel, and the first-stage iron removal body comprises two crushing iron removal rollers which vertically and oppositely rotate up and down. The crushing and deironing roller comprises a rotary drum body capable of rotating, comb teeth are arranged on the rotary drum body, and a strong magnetic plate is fixedly arranged on the rotary drum body between the comb teeth. According to the invention, cleaning materials and working hours are saved, the deironing cost is reduced, the deironing effect is good, and 60-70% of iron substances in raw materials can be reduced.

The utility model discloses an easy-to-clean magnetic plate pipeline de-ironing separator, and relates to a magnetic plate de-ironing separator, which comprises a filter cavity, the filter cavity comprises a feed port and a discharge port, the filter cavity is obliquely arranged, a magnetic plate cavity is connected beside the filter cavity, a magnetic plate is movably arranged in the magnetic plate cavity, and the magnetic plate is arranged in the magnetic plate cavity. The inclination angle of the magnetic plate is consistent with that of the filter cavity, and the magnetic plate is close to the filter cavity and then tightly clings to the outer wall of the filter cavity. Compared with the prior art, an inclined arrangement structure is creatively adopted, the filtering cavity and the magnetic plate are arranged in an inclined mode, when the magnetic plate is separated from the filtering cavity, the magnetic field intensity in the filtering cavity changes, iron impurities adsorbed to the filtering cavity naturally fall off, and self-cleaning is achieved. The problem that an existing self-cleaning structure of a horizontal magnetic plate iron remover is too complex is solved. And meanwhile, the self-cleaning effect and cleaning time of the iron remover are superior to those of a common magnetic plate iron remover, so that the overall iron removal efficiency is improved.

An automatic permanent magnet iron remover for slurry comprises a main supporting shell, a front sealing plate, an adsorption block fastening bolt, a sealing plate fastening bolt, a fastening nut, an iron removal cylinder driving motor, a guide scraping block, an iron removal roller, an arc-shaped iron adsorption table, a permanent magnet and a driving gear, a lower discharging port is formed in the bottom of the main supporting shell, and an upper feeding port is formed in the top of the main supporting shell; a roller positioning groove is formed in the rear portion of the main supporting shell, a roller positioning table is arranged on the rear portion of the iron removal roller, the roller positioning groove is matched with the roller positioning table, the roller positioning groove is connected with the roller positioning table, the roller positioning table rotates in the roller positioning groove, and an impurity discharging port is formed in the side face of the main supporting shell. And an impurity receiving groove is formed in the impurity discharging port, and the top of the impurity receiving groove is fixedly connected with a guide scraping block.

The invention relates to the technical field of mineral processing, in particular to a vein quartz ore flotation reagent capable of efficiently removing iron, which is prepared from mixed amine, ethylenediamine, absolute ethyl alcohol, polymerized alpha-D-glucopyranose and diesel oil. According to the present invention, the iron-containing oxide in the vein quartz ore can be effectively removed through the reaction with the iron-containing oxide in the direct flotation process, and the method has advantages of low agent consumption, environmental protection, and good cost economy compared with the traditional acid soaking process and the flotation agent.

The utility model discloses an ammonium persulfate mother liquor removes iron filter device relates to ammonium persulfate mother liquor recovery technical field, include: ammonium persulfate mother liquor containing subassembly, the ammonium persulfate mother liquor containing subassembly is used to contain the ammonium persulfate mother liquor of removing iron to be prepared, filter subassembly, filter subassembly is used to filter the ammonium persulfate mother liquor after removing iron, and lifting type removes iron subassembly, lifting type removes iron subassembly and includes the motor fixedly set in the upper container bottom center, the output shaft of motor extends to the upper container inside and is fixedly connected with cross rotatory seat, the cross rotatory seat top is provided with the cross containing groove and the outside top setting integrally formed protruding portion. The utility model can be more convenient to the iron impurity and clean the output, and four magnetic plates can continue to rotate and contact with the ammonium persulfate mother liquor through the cross rotatory seat, and the iron removal efficiency is higher.

The utility model discloses an iron and scrap removing device for jun porcelain glaze, which belongs to the technical field of jun porcelain glaze treatment and comprises a machine body, a feeding hopper is mounted in the middle of the top end of the machine body, a flow dividing frame is mounted in the machine body and corresponds to the lower portion of the feeding hopper, the top end of the flow dividing frame is of a splayed structure, a hollow mechanism is arranged in the flow dividing frame, and a jumping mechanism is arranged on the flow dividing frame. The jumping mechanism comprises a main shaft located in the flow dividing frame. By arranging the jumping mechanism, glaze can be shunted through the shunting frame when entering the machine body, in the process that the glaze flows along the shunting frame, the rotating motor drives the contact block to rotate through the main shaft, and the contact block can intermittently make contact with the top frame on the shunting frame, so that the top frame moves along the shunting frame and obliquely upwards ejects the elastic film; and the glaze is bounced through the elastic film, so that the falling speed of the glaze can be reduced, the glaze can be effectively dispersed, iron chips in the glaze can be conveniently adsorbed by the magnetic separation mechanism, and the iron removal efficiency is improved.

The present invention discloses a method for extracting lithium from lepidolite, comprising: crushing the lepidolite and placing it in an aluminum salt solution for pressure leaching, filtering to obtain a first filtrate and a filter residue; removing iron from the first filtrate using an iron removal agent, filtering to obtain a second filtrate and iron-containing slag; removing fluorine and aluminum from the second filtrate, filtering to obtain a third filtrate and cryolite; precipitating lithium from the third filtrate, filtering to obtain lithium carbonate. The present invention is based on the coordination leaching of lithium from lepidolite by an aluminum salt system, achieving one-step leaching of lepidolite, the extraction method has a high yield, and the lithium carbonate finally obtained has a high purity; while extracting lithium carbonate, byproducts such as goethite and cryolite with high purity can be obtained to avoid waste. The extraction method of the present invention is simple, and the reagents used are all commercially available common reagents, with low cost and good lithium extraction effect, and is convenient for use in industrial production.

The utility model discloses a negative material production stainless steel pipeline iron removal device, including the iron removal subassembly, the iron removal subassembly includes the mounting frame, the inner wall fixed of mounting frame is equipped with the connecting frame, the bottom fixed of mounting frame is equipped with the pole seat, the dispersion sieve removes the subassembly, the dispersion sieve removes the subassembly and includes the fairlead and two electromagnetic boards, the electromagnetic board sets up at the bottom of fairlead, the both sides of fairlead are respectively rotationally arranged in the top of connecting frame inner wall. The utility model discloses through being equipped with fairlead and two electromagnetic boards, when material passes fairlead, under the arc -shaped recess of fairlead and its top end being opened down, the material flow rate is slowed down, then material passes electromagnetic board that sets up in cross -over in proper order along electromagnetic board and the sieve hole of its top end and flows down, can scatter material through this mode, and prolongs the material in the magnetic field area and stays time, makes material and iron impurity separate thoroughly to improve the iron removal efficiency.

The utility model relates to the technical field of lithium manganate powder iron removal, in particular to an iron remover for lithium manganate powder, which comprises a U-shaped base, a shell is fixedly connected inside the base, a moving component is arranged inside the shell, and the moving component comprises an air cylinder mounted on the front end face of the shell. The output end of the air cylinder penetrates through the shell and is fixedly connected with a first rack, the outer wall of the first rack is in meshed connection with a gear, a supporting plate is fixedly connected between the left end and the right end in the shell, the air cylinder drives the first rack to move, the first rack drives the gear to rotate, and the gear drives the second rack, the supporting shaft and the bearing plate to reciprocate. The lithium manganate powder is uniformly and continuously guided into the upper end of the magnet plate through rotation of the screw rod, iron impurities can be adsorbed through the magnet plate, and the purposes of continuous iron removal work and high iron removal efficiency are achieved through reciprocating motion of the bearing plate and the magnet plate.

The utility model discloses a kind of electromagnetic iron removal devices before slag micro-powder grinding, including belt conveyor and multiple iron removal mechanisms, iron removal mechanism includes electromagnetic drum, iron guide plate and horizontal cylinder arranged in sequence, auger is provided in horizontal cylinder, opening is set on the horizontal cylinder side wall towards electromagnetic drum, material guide cylinder is provided below the discharge end of belt conveyor, two inclined pipes are provided at the lower end of material guide cylinder, gate valve is provided on inclined pipe, iron removal box is provided below inclined pipe, center shaft is provided in iron removal box, motor is drivingly connected after the upper end of center shaft extends out of iron removal box, bulkhead is provided on center shaft, annular electromagnetic suction plate is provided in iron removal box around bulkhead, the lower end of inclined pipe extends into iron removal box and is located above bulkhead after. Above all, the utility model has the advantages of realizing online iron cleaning, high work efficiency and good iron removal effect.

The utility model relates to the technical field of iron removal equipment, in particular to a self-cleaning iron removal device which comprises a placement table, a frame with a containing cavity is connected to the placement table, and a feeding port is formed in the frame; the discharging frame is connected with the frame body, an inner cavity of the discharging frame communicates with the containing cavity, and an opening is formed in the lower end of the discharging frame; a plurality of sleeves are vertically connected between the two fixing discs, and the fixing discs are located in the containing cavity and connected with the frame body; the mounting disc is vertically connected with a plurality of magnetic bars, and the magnetic bars can penetrate through the fixing disc and extend into the inner cavity of the sleeve; the magnetic extraction unit is used for driving the mounting disc to move in the axial direction of the sleeve, and the magnetic extraction unit is connected with the frame body and the mounting disc; the device has the effect that the labor intensity of workers is reduced while magnetic iron impurities are cleaned.

The utility model relates to the technical field of metal silicon powder processing, and discloses an iron removal production system for metal silicon powder, which comprises a stock bin, a conveying belt arranged at the discharge end of the stock bin, an induction cooker arranged at the other end of the conveying belt, a sealing cover arranged at the discharge end of the induction cooker, a water tank arranged at the bottom end of the sealing cover, and a lifting hopper arranged inside the water tank, a material outlet at the other end of the lifting hopper is connected with a ball mill, the other end of the ball mill is connected with a transmission belt, and the other end of the transmission belt is connected with a magnetic separator. And the crushed materials are conveyed to the magnetic separator through the transmission belt, the magnetic separator adsorbs iron elements in the crushed materials, and then silicon is conveyed into an external containing device for next use, so that the iron removal efficiency is improved, meanwhile, the purity of the silicon is improved, manual cleaning is not needed any more, and the device is simple, rapid, time-saving and labor-saving.

The utility model relates to the field of cement, and discloses a cement conveying air chute power deironing device which comprises a chute body, four supporting legs are arranged on the lower end face of the chute body in a rectangular mode, a feeding port is formed in the rear portion of the center of the upper end face of the chute body, and a driving deironing structure is arranged in the center of the front end face of the chute body. A roller iron removing magnet is arranged in the center of the interior of the chute body, a collecting structure is arranged on one side of the front end face of the chute body, and a discharging electromagnetic valve is arranged on the front portion of one side of the lower end face of the chute body. According to the roller iron removal device, the design of combining the connecting plate, the driving motor, the belt, the rotating shaft and the rotator is adopted, so that the driving motor can drive the rotating shaft through the belt, and then the roller iron removal device is driven to rotate, so that iron impurities in cement are effectively adsorbed and removed; iron-containing impurities in the cement are removed, and adverse effects on the quality and performance of the cement are eliminated.

The present invention discloses a device and method for removing iron particles by gradient using a multi-stage cyclone separator, comprising a feeding mechanism, two groups of cyclone separators and an air induction mechanism, wherein the two cyclone separators are respectively an A series cyclone separator and a B series cyclone separator of the same structure and symmetrically arranged; the A series cyclone separator and the B series cyclone separator both include a plurality of cyclone separators connected in series in sequence, and a plurality of groups of magnetic components are installed on the outer side of the straight section and cone of each cyclone separator, and the plurality of cyclone separators connected in series in sequence are recorded as the first cyclone separator, the second cyclone separator, ..., the i-th cyclone separator, ..., the i-th cyclone separator from top to bottom in sequence; the magnetic strength of the plurality of groups of magnetic components increases gradually from top to bottom. The present invention is reasonably designed, and the iron particles are enriched and separated from the non-magnetic powder through a multi-stage gradient, so as to meet the requirements of removing or collecting the iron particle components in the subsequent process.

The utility model discloses an environment-friendly building material processing raw material transferring and deironing device, which belongs to the technical field of building material processing, and comprises a support frame and a hoop, the support frame is fixedly connected with a mounting frame, one side of the mounting frame is fixedly connected with a motor I, and the output end of the motor I is fixedly connected with a threaded rod; the threaded rod is in threaded connection with a connecting block, a first through hole is formed in the connecting block, a bolt is connected into the first through hole in a sliding mode, a nut is in threaded connection with the bolt, and the number of the hoops is two. Therefore, the hoop can be driven by the connecting block to slide on the electromagnet in a reciprocating mode, dust on the electromagnet is cleaned through the brush, then the hoop can be detached conveniently through the first through hole, the bolt, the nut and the second through hole, the whole hoop and the brush are cleaned, when the electromagnet does not need to be cleaned, the hoop can be detached, and the cleaning efficiency is improved. And the influence on the iron removal effect is avoided, and the practicability of the device is improved.

The invention discloses an efficient lithium carbonate separation and iron removal device, and relates to the technical field of lithium carbonate iron removal. The device comprises a mounting bottom plate, a mounting side plate is fixedly connected to one end of the mounting bottom plate, a storage box is fixedly mounted at the lower end of the mounting side plate, a mounting support is integrally formed at the lower end of the mounting side plate, the storage box is fixedly inserted into the mounting support, and a discharging pipe body is arranged in the middle of the bottom end of the storage box in a communicating mode. A control valve used in cooperation with the discharging pipe body is fixedly mounted on the discharging pipe body; through the arrangement and use of the iron removal mechanism, the position conversion of the six groups of magnetic rods can be realized, so that the six groups of magnetic rods can be sequentially used for carrying out iron removal operation on lithium carbonate slurry, and compared with single-group magnetic rod operation, cleaning operation of the magnetic rods does not need to be carried out in the iron removal operation development period; furthermore, the time required for iron removal of the lithium carbonate slurry is effectively shortened, and the iron removal efficiency of the lithium carbonate slurry is further effectively improved.

The invention relates to the technical field of battery positive electrode material preparation, and discloses a battery positive electrode material preparation method and preparation equipment thereof.The battery positive electrode material preparation equipment comprises a feeding opening formed in the top of a machine shell, material collecting boxes are arranged at the bottom end of the machine shell, and the material collecting boxes are arranged on the two sides of the machine shell; screening wheels used for removing iron from materials are rotationally installed in the machine shell, a driving motor is installed on the outer side of the machine shell and drives the screening wheels to rotate, the two screening wheels are symmetrically arranged and are in transmission connection through a gear, and a plurality of material containing grooves are formed in the curved surface of each screening wheel in a circumferential array mode; an electromagnetic plate used for attracting a magnet is rotationally installed in each containing groove, and a limiting column used for electrifying and limiting the electromagnetic plates is installed on the screening wheel. When the limiting column is attached to the electromagnetic plate in an inserted mode, the electromagnetic plate is powered on to adsorb iron, when the limiting column is separated from the electromagnetic plate, the electromagnetic plate loses magnetic attraction, and according to the scheme, equipment does not need to be stopped for cleaning, and the iron removal efficiency is improved.

The utility model provides an automatic deironing device for silica powder, which relates to the technical field of deironing of silica powder and comprises an operating platform, a dispersing mechanism and a cleaning mechanism, the dispersing mechanism comprises a bulldozing plate and a sorting rod, the sorting rod is positioned on the right side of the bulldozing plate, and the bulldozing plate and the sorting rod are used for equally bulldozing and sorting silica powder needing deironing; the silica powder can be dispersedly conveyed, so that the iron removal efficiency of the silica powder is improved; the cleaning mechanism comprises an arc scraping plate and a rubber seat, the rubber seat is located in front of the arc scraping plate, and the arc scraping plate and the rubber seat are used for cleaning and removing iron adsorbed in the silicon micro-powder, so that the adsorbed iron is conveniently collected. And the sorting rod can intercept large-particle impurities or iron blocks in the silica powder, meanwhile, the broken iron adsorbed on the surface of the electromagnetic roller can be cleaned through the arc scraping plate and the rubber plate, and the adsorbed broken iron can be conveniently collected and arranged.

The utility model discloses an iron removal device, which relates to the technical field of nano cellulose application and comprises a first temporary storage barrel, a second temporary storage barrel, a permanent magnet iron remover, a first feeding pump and a second feeding pump. A discharging port of the first temporary storage barrel can communicate with a first feeding port of the permanent magnet iron remover, a first discharging port of the permanent magnet iron remover can communicate with a feeding port of the second temporary storage barrel, and a first discharging port of the second temporary storage barrel can communicate with a feeding port of the second feeding pump. A discharging opening of the second feeding pump can be communicated with a second feeding opening of the permanent magnet iron remover, and a second discharging opening of the permanent magnet iron remover can be communicated with a second feeding opening of the first temporary storage barrel; the iron removal device can effectively improve the iron removal efficiency, and is simple in structure and convenient to install, maintain and use.

The utility model discloses white corundum iron removal screening device, and the device is constituted by magnetic separator body, magnetic screening conveyer and material flat laying mechanism. The magnetic separator body is equipped with the rack for supporting, and the inside is provided with the iron impurity conveyer for receiving the iron impurity, and the front end places the white corundum hopper. The magnetic screening conveyer is fixed in the rack through the hanger, and the magnetic roller is driven to rotate by the driving motor, and then drives the conveyer belt to run, realizes the conveying of material, and the magnetic roller can adsorb the iron impurity. The material flat laying mechanism is installed at the top of the magnetic separator body, and the cylinder can adjust the telescopic shaft position according to the feedback of infrared distance sensor, makes the comb material grate comb the white corundum material on the conveyer belt and lay flat, improves the iron removal effect. The iron impurity falls into the iron impurity conveyer and is carried away after separating from the magnetic adsorption, and the pure white corundum material falls into the white corundum hopper, and the screening and iron removal operation is completed.

The utility model provides a stone conveyor belt deironing device which comprises a conveyor belt body and a deironing device body, the deironing device body is transversely arranged above the conveyor belt body, the deironing device body is composed of a mounting frame, a motor, a conveyor belt and a magnetic disc, and the left end and the right end of the mounting frame are each internally provided with a roller shaft in a rotating mode; the conveying belt is arranged on the two roll shafts in the mounting frame in a sleeving mode, the magnetic disc is mounted in the mounting frame through the supporting frame, located in the conveying belt and abuts against the inner side face of the lower portion of the conveying belt, the magnetic disc is located over the conveying belt body, and the width of the magnetic disc is the same as that of the conveying belt body. And a hollow roller is rotationally arranged on the right side of the roller shaft at the right side end in the mounting frame, a plurality of sets of bristles are arranged on the surface of the roller, the tops of the bristles abut against the surface of the conveying belt, and a set of air nozzles communicating with the interior of the roller are formed in the position, between the two sets of bristles, of the outer surface of the roller. The device has the advantages of cleaning the surface of the conveying belt, improving the iron removal efficiency and the like.

The utility model discloses an iron removal device for a fertilizer conveying line, which comprises a moving mechanism and a driving mechanism, and the moving mechanism is arranged above the conveying line and comprises two electromagnets; the driving mechanism is connected with the two electromagnets and used for driving the two electromagnets to alternately reach or leave the position over the conveying line, when the electromagnets reach the position over the conveying line, the electromagnets are in a power-on state, and when the electromagnets leave the position over the conveying line, the electromagnets are in a power-off state. The device has the advantages that the two electromagnets are used alternately, the problem that a conveying belt needs to be stopped in the process of removing scrap iron on the surfaces of the electromagnets can be solved, in addition, the scrap iron on the surfaces of the electromagnets can be removed without taking down the electromagnets, the labor intensity of workers is reduced, and the production efficiency is improved. The iron removal efficiency is also improved, and the production efficiency of the fertilizer is ensured.

This invention discloses a combined device for removing trace amounts of iron from ceramic raw materials. It includes a primary iron removal system and a secondary iron removal system. The secondary iron removal system includes an outer cylinder with a support cylinder that can rotate counterclockwise. A raw material distributor (4) is fixed on the inner wall of the outer cylinder between the support cylinder and the raw material feed pipe. Electromagnetic blocks are fixedly arranged at intervals on the surface of the support cylinder. The electromagnetic blocks are divided into abcd region and ad region on the cross section of the support cylinder. A wedge-shaped pressure block is arranged on the support cylinder at point a in the ad region. An arc-shaped contact plate is arranged on the end plate of the outer cylinder. The primary iron removal system includes two crushing and iron removal rollers that rotate vertically relative to each other. Each crushing and iron removal roller includes a rotating cylinder with comb teeth. A strong magnetic plate is fixedly arranged on the rotating cylinder between the comb teeth. This invention saves cleaning materials and labor time, reduces iron removal costs, and has a good iron removal effect, which can reduce iron content in raw materials by 60-70%.

The utility model discloses an automatic operation device for driving a high-power electromagnetic iron remover through an electric hoist, which belongs to the technical field of aluminum electrolysis equipment, solves the problems that the labor intensity of field staff is higher and the stable operation of an electrolytic aluminum production process is seriously influenced, and comprises an electromagnetic iron remover, a controller and an electric hoist, a hoisting system of the electric hoist is connected with a controller through an automatic control system, the controller is connected with a manual control system in parallel, the electric hoist is arranged on an electric hoist support, an iron attracting position inductive switch and an iron removing position inductive switch are arranged on the electric hoist support, and an electromagnetic iron remover is connected below the electric hoist. A weight sensor is arranged between the electric hoist and the electromagnetic iron remover; a circuit of the controller comprises a contactor, a time relay, an inductive switch, an auxiliary contact and a button switch. According to the utility model, the workload of field operators is further reduced, and the process production requirements of materials are ensured.

The utility model relates to the technical field of quartz sand processing, in particular to a powder iron remover for quartz sand processing, which comprises a support and an iron removal component. The iron removal assembly comprises a magnetic cylinder, a turning shaft, a collecting bin, a scraping plate and a driving component, during use, quartz sand is added to the high side of the magnetic cylinder, the quartz sand slides to the low side of the magnetic cylinder under the action of gravity, and in the process, the driving component is started to drive the magnetic cylinder and the turning shaft to rotate, so that the quartz sand is removed. The magnetic cylinder drives the quartz sand in the magnetic cylinder to continuously rotate, so that the quartz sand powder fully rolls and rubs on the inner wall of the magnetic cylinder, the contact opportunity of iron impurities and the inner wall of the magnetic cylinder is increased, and the iron removal effect is further improved; and meanwhile, the quartz sand powder in the magnetic cylinder is turned over through rotation of the turning shaft, the contact area of the quartz sand powder and the inner wall of the magnetic cylinder is further increased, and the adsorption efficiency of the iron impurities is improved.

An automatic de-ironing separator for pipelines relates to the technical field of de-ironing separators and comprises a cylindrical shell, the lower end of the cylindrical shell is fixedly connected with a bottom plate, the upper end of the cylindrical shell is fixedly connected with a top plate, the inner top surface of the top plate is fixedly connected with a magnetic adsorption net cylinder positioned in the cylindrical shell, the bottom of the magnetic adsorption net cylinder is fixedly connected with a magnetic net plate, and the magnetic net plate is provided with a discharge hole. And a closing plate for opening and closing the discharging hole is rotationally arranged on the lower surface of the magnetic net plate, an iron material collecting barrel located below the discharging hole is further arranged below the closing plate, and a lower end opening of the iron material collecting barrel is obliquely and fixedly connected with a guiding-out shell extending out of the barrel shell. The pipeline de-ironing device solves the problems that when a pipeline de-ironing device in the prior art is used, due to the influence of a de-ironing assembly, materials cannot be in uniform contact with the de-ironing assembly, and the de-ironing efficiency of the de-ironing assembly is influenced; and the problems that after an existing iron removal assembly filters iron impurities, the iron impurities are accumulated on the iron removal assembly, the mobility of the materials is affected, and then the iron removal efficiency of the materials is reduced are solved.