245 results about "Magnetic impurity" patented technology

The invention relates to magnetic impurity separation equipment for ceramic glaze processing, which comprises a separation box, the upper end of the separation box is provided with a feed hopper, the separation box is internally provided with an impurity removal mechanism, the impurity removal mechanism comprises a U-shaped frame located in the separation box, two rotating shafts are oppositely arranged on two side walls of the U-shaped frame, and the two rotating shafts are oppositely arranged on the two side walls of the U-shaped frame. A hollow roller is arranged between the two rotating shafts, an L-shaped fixing plate is arranged on one side wall of the U-shaped frame, a fixing shaft penetrating through the rotating shaft on the same side and extending into the hollow roller is arranged on the L-shaped fixing plate, and a semicircular permanent magnet located in the hollow roller is arranged on the fixing shaft. An impurity outlet is formed in the side wall of the separating box, and a glaze outlet connected with the triangular shunting block is formed in the bottom wall of the separating box; magnetic impurities on the hollow roller can be removed without shutdown, and the continuous separation capacity of the magnetic impurities is achieved.

The invention relates to the technical field of quartz sand purification, in particular to a high-purity quartz sand purification method and equipment. 2, a magnetic separation stage; 3, an acid leaching stage; 4, an ultrasonic-assisted cleaning stage; 5, a high-temperature chlorination treatment stage; according to the quartz sand purification method, various impurities such as magnetic impurities, non-magnetic metal impurities and silicate impurities in the quartz sand can be deeply removed through the synergistic effect of multiple steps such as pretreatment, magnetic separation, acid leaching, ultrasonic-assisted cleaning and high-temperature chlorination treatment, the purity of the quartz sand reaches 99.999% or above, the strict requirements of high-end fields such as semiconductors and photovoltaics are met, and the method is suitable for industrial production. The purification steps are closely linked to form a modular purification process, and meanwhile, advanced technologies such as ultrasonic-assisted cleaning and high-temperature chlorination treatment are adopted, so that the impurity removal efficiency is remarkably improved, the purification time is shortened, and the energy consumption and the use amount of chemical reagents are reduced by optimizing the process and equipment.

Apparatus and associated methods relate to separate ferromagnetic impurities from bulk battery materials. In an illustrative example, a ferromagnetic impurity separation system (FISS) may receive a sample vessel including an enclosed sample of bulk battery materials. The FISS, for example, may include a variable magnetic flux generator (e.g., an electromagnet) disposed at a position separated from the sample vessel. The FISS may also include an agitation unit having a translational motor and a rotational motor configured to rotate the sample vessel about a central axis, and to translate a position of the central axis of the sample vessel. For example, in an operation mode, the variable magnetic flux generator and the agitation unit may apply a predetermined magnetic flux, a predetermined angular velocity and a predetermined velocity to the sample vessel. Various embodiments may advantageously separate ferromagnetic impurities from the enclosed sample concisely without contaminating the sample.

The invention relates to the technical field of magnetic separation equipment, in particular to a magnetic separation device and a production system. The magnetic separation device comprises a liquid inlet tank, a first-stage roller and a second-stage roller, the first-stage roller comprises a first magnetic roller and a first outer cylinder; the first magnetic roller is fixedly arranged in the first outer cylinder, the first outer cylinder is rotatably arranged, the first magnetic roller forms a first magnetic suction area and a first non-magnetic area on the surface of the first outer cylinder, and the first magnetic suction area is used for adsorbing magnetic impurities; the second-stage roller comprises a second magnetic roller and a second outer cylinder, the second magnetic roller is fixedly arranged in the second outer cylinder, the second outer cylinder is rotatably arranged, and the second magnetic roller forms a second magnetic suction area and a second non-magnetic area on the surface of the second outer cylinder; a connecting line of any point on the axis of the second-stage roller and any point on the axis of the first-stage roller passes through the second magnetic suction area and the first non-magnetic area, so that magnetic impurities adsorbed by the first-stage roller can be transferred to the second-stage roller; and the first outer cylinder and the second outer cylinder can also play a role in squeezing.

The invention discloses a biogas purification and heat supply method for boiler combustion, and relates to the technical field of biogas heat supply, the method comprises the following specific steps: biogas collection and primary treatment: collecting biogas from a biogas generation source, enabling the biogas to pass through a primary filter device with a filter screen with specific mesh number, removing dust and solid residue impurities, and performing secondary treatment; by introducing the magnetic field to assist the purification process, the purification efficiency of the biogas can be remarkably improved, magnetic impurity particles in the biogas can directionally move and gather under the action of the magnetic field, so that the magnetic impurity particles are more easily removed by a physical separation means, and meanwhile, the magnetic field can promote the activity and reaction rate of substances participating in the purification reaction, so that the purification efficiency is improved. By means of the magnetic field, decomposition and conversion of impurities are effectively accelerated, the biogas is more thoroughly purified, the quality of the biogas subjected to auxiliary purification of the magnetic field is remarkably improved, the impurity content is greatly reduced, the biogas can be more sufficiently combusted in the follow-up combustion heat supply link, more heat is released, and the combustion efficiency is improved.

The invention belongs to the technical field of inorganic non-metallic material processing, and discloses superfine active silica powder and a preparation method thereof. The preparation method of the superfine active silica powder comprises the following steps: mixing silica powder, a part of a surface modifier and water, and grinding to obtain superfine silica powder slurry; and drying the superfine silica powder slurry, mixing with the residual surface modifier, modifying, and cooling to obtain the superfine active silica powder. The obtained superfine active silica powder is high in whiteness, high in fineness, low in oil absorption, low in moisture content, high in activation degree and low in magnetic impurity content, and can be applied to the high-grade, high-precision and advanced industrial field.

The invention provides an oblique coil electromagnetic classificator for separating weak magnetic impurities from strong magnetic concentrate, which comprises a separation cylinder, an ore feeding device and a flushing device, an ore feeding pipe of the ore feeding device extends into the separation cylinder from the top end of the separation cylinder, the flushing device is arranged below the ore feeding pipe, and an oblique coil is arranged on the outer side of the separation cylinder, so that the weak magnetic impurities can be separated from the strong magnetic concentrate. Magnetic lines of force are obliquely distributed, magnetic linkages formed by magnetic particles are oblique, the whole magnetic linkages can be efficiently impacted in cooperation with vertical component force Fz of water flow of the flushing device, and scattering of magnetic aggregates is facilitated; the tail control flat coil and the concentrate gathering flat coil at the upper end and the lower end effectively control tailings and concentrates respectively, so that the separation efficiency of strong magnetic concentrates and weak magnetic impurities is improved, for example, in the iron-titanium separation operation of vanadium titano-magnetite ore dressing, ilmenite mixed into iron ore concentrates can be reduced, the grade of the iron ore concentrates can be improved, and titanium metal resources can be fully recycled.

The invention relates to a purification process of high-purity quartz sand applied to the field of quartz sand purification. The purification process comprises the following steps: S1, raw material treatment; s2, calcining and cooling; s3, carrying out microbiological leaching; s4, performing magnetic separation and impurity removal; the efficient magnetic separation equipment comprises a main magnetic separator, an auxiliary magnetic separator and an intelligent magnetic separation detector, a guide plate fixed to a mounting base is vertically inserted into a shell, a detection cylinder is fixed to the top of the shell, an insertion rod fixed to the guide plate is inserted into the top of the detection cylinder, and a pressure sensor is mounted in an inner cavity of the detection cylinder; with the adoption of the technical scheme, the weight of the magnetic impurities adsorbed on the magnetic corrugated plate can be obtained in real time through the impurity detection module mounted on the intelligent magnetic separation detector, and the adsorption quantity of the magnetic impurities on the magnetic corrugated plate can be accurately detected, so that the main magnetic separator and the auxiliary magnetic separator are accurately cleaned; the production efficiency and the purity of the purified quartz sand are improved.

The utility model discloses a device for separating non-magnetic impurities from soft magnetic powder. The device comprises a rack, a motor, a transmission mechanism, a magnetic stick separation mechanism which is connected with the transmission mechanism and is obliquely arranged on the rack, a feed hopper arranged above the magnetic stick separation mechanism, and a material collection box and an impurity bin which are arranged below the magnetic stick separation mechanism, the magnetic stick separating mechanism comprises a plurality of magnetic sticks which are arranged in parallel at intervals and a scraping plate arranged in the middle of the magnetic sticks, gaps are formed between the magnetic sticks and the scraping plate, each magnetic stick comprises a middle shaft and a magnetic stick sleeve rotationally arranged outside the middle shaft through a connecting bearing, and the middle shaft and the magnetic stick sleeve are coaxially arranged; the middle shaft is fixedly connected to the rack, the magnetic stick sleeve is connected with the transmission mechanism, and the middle shaft is divided into a non-magnetic part facing upwards and a magnetic part facing downwards in the radial direction. According to the device, the magnetic rod is combined with the scraping plate, non-magnetic impurities in the soft magnetic powder can be separated, the printing definition of the produced soft magnetic powder is high, and the service life of a developing element is not affected.

The invention relates to the technical field of soil remediation processes, and provides a heavy metal muck mixture wet magnetic separation remediation process, which comprises the following steps: ectopic soil sampling: carrying out three-dimensional deep soil sampling on a marked land parcel and ectopic storage; pretreatment is conducted, specifically, the soil stored in different positions is subjected to crushing treatment; pulping: adding water into the crushed ex-situ soil, and stirring to obtain slurry; local dilution and magnetic suction impurity removal are conducted, specifically, the slurry penetrates through a magnetic suction area in a flowing mode, local dilution is conducted on the magnetic suction area, and adsorbed impurities in the magnetic suction area are removed; performing dehydration detection, namely dehydrating the mud subjected to magnetic suction impurity removal, performing heavy metal detection, and judging whether detection is qualified or not; and backfilling is conducted, specifically, the soil is backfilled after detection is qualified. By means of the technical scheme, the problem that in the prior art, the traditional ex-situ leaching remediation effect of the soil polluted by the heavy metal muck mixture is poor is solved.

The invention is suitable for the technical field of flow meters, and provides a magnetic conduction impurity removal device for an electromagnetic flow meter and a using method of the magnetic conduction impurity removal device. The adsorption assembly comprises a base cylinder, a first vertical plate, a stepping motor, an adsorption disc, a second vertical plate, a fixing shaft, a miniature telescopic rod and a magnetic attraction piece. The bubble removing assembly comprises a bubble removing box, a bubble removing pipe arranged in the bubble removing box, a sealing plate arranged in the bubble removing box, a movable rod arranged at one end of the sealing plate, a floating plate arranged below the movable rod and a spring arranged on the bubble removing pipe and the movable rod in a sleeving mode. The magnetic impurities passing through the adsorption disc are adsorbed through the magnetic adsorption piece, so that the magnetic impurities are adsorbed on the surface of a certain part of the adsorption disc; therefore, the measurement precision of the electromagnetic flowmeter is improved.

The utility model provides efficient quartz sand magnetic separation purification equipment, which relates to the technical field of quartz sand screening and comprises a support frame, a quartz sand magnetic separation assembly is mounted on the inner side of the support frame and comprises a filter screen mounted on the inner side of the support frame, and an electromagnetic flexible plate conveyor belt is arranged on the lower side of the filter screen. An adsorption scraping plate is arranged on the lower side of the electromagnetic flexible plate conveying belt; when the electric rolling shaft drives the electromagnetic flexible plate conveying belt to rotate, magnetic impurities can be captured by the electromagnetic flexible plate conveying belt, and quartz sand can be conveyed to the tail end by the electromagnetic flexible plate conveying belt and falls into the feeding plate, so that the screening and purifying effects are achieved; due to the fact that the magnetic impurities are attracted to the surface of the electromagnetic flexible plate conveying belt, when the electromagnetic flexible plate conveying belt rotates to the lower side position, the magnetic impurities can be scraped to the magnetic material discharging plate through the attraction scraper on the scraper frame, and therefore the magnetic impurities are separated from the electromagnetic flexible plate conveying belt.

The utility model belongs to the technical field of plastic master batch production, and discloses plastic master batch magnetic separation equipment which comprises a loading part, a magnetic separation part and a magnetic separation part, the horizontal driving part is mounted at the bottom of the loading part and is used for driving the loading part to reciprocate along the first direction so as to disperse the master batches in the loading cavity; the magnetic separation assembly comprises a vertical driving part and a magnetic separation part which are connected, the vertical driving part can drive the magnetic separation part to reciprocate in the vertical direction, and the magnetic separation part is used for removing magnetic impurities. By arranging the horizontal driving part, the purpose of dispersing the master batches in the loading cavity is achieved, and the situation that the attraction effect of the magnetic separation assembly on the magnetic impurities is affected due to master batch accumulation can be avoided.

The invention discloses a current dipole-based magnetic impurity simulation method, device and system, belongs to the technical field of nondestructive testing, and solves the problem of how to improve the magnetic impurity simulation precision. Comprising the steps of inputting simulation parameters of target magnetic impurity particles, calculating target driving current, introducing a medium correction coefficient to perform reverse correction on the target driving current, and solving actual driving current; actual driving current is applied to the current dipole array of the selected level, and a simulated magnetic field is generated; an analog magnetic field signal is extracted based on a phase-locked amplification technology and is used for magnetic field signal inversion verification or sensitivity calibration. According to the method, the magnetic moment generated by the current dipole is equivalent to the excitation moment of the magnetic impurities, the medium correction coefficient k is introduced to carry out reverse correction on the target driving current, the actual driving current is solved, and the magnitude mapping relation from the magnetic impurity particle parameters to the actual driving current is established; and the accuracy and reliability of sensitivity calibration of the quantum detection equipment are improved.

The utility model discloses a magnetic filter with a valve, which comprises a valve body, a filter cover and a magnet, a drain outlet is arranged on the lower side of the valve body, a water flow inlet is arranged on the right side of the valve body, a water flow outlet is arranged on the upper side of the valve body, the left side of the valve body is connected with a filter cover, a medium cavity inside the filter cover is communicated with the inside of the valve body, and a magnet sleeve is arranged on the left side of the filter cover. The magnet is inserted into the magnet sleeve; according to the filter, the water flow inlet is opened and the drain outlet is closed through the built-in three-channel valve element, or the water flow inlet is closed and the drain outlet is opened, and the water flow outlet is separated from the valve cavity and kept normally open; no valve needs to be installed at the water flow inlet, sewage can be discharged by rotating the handle to close the water flow inlet and opening the sewage outlet, magnetic impurities can be removed by pulling out the handle and taking out the magnet, and convenience and rapidness are achieved. The utility model is convenient for horizontal installation in a narrow space.

This utility model relates to a magnetic impurity removal and feeding device for a grain mill, which effectively solves the problems of difficult cleaning of magnetic impurity removal devices and easy re-mixing of metal impurities. The technical solution includes a feeding pipe, inside which is installed a magnetic impurity removal component. The magnetic impurity removal component includes an inner cylinder and an outer cylinder, with the outer cylinder coaxially sleeved outside the inner cylinder. Several sets of magnetic units are axially evenly distributed on the outer wall of the inner cylinder. Each set of magnetic units includes several bar magnets evenly distributed around the circumference, and the number of bar magnets in each set of magnetic units increases from top to bottom. This utility model, through the setting of magnetic force difference and the flushing of grain particles, causes metal particles to gradually collect at the lower end face of the outer cylinder, which not only prevents metal impurities from being flushed back into the grain, but also makes it easier to clean them when they are collected in one place.

This application relates to a demagnetizing device, a coating equipment, and a coating method for battery electrode sheets. The demagnetizing device includes: a guiding mechanism disposed on a slit-type processing device; a movable component slidably mounted on the guiding mechanism; a magnet unit connected to the movable component, which has the ability to attract magnetic impurities; a transmission component connected to the movable component; and at least one driving mechanism disposed outside the slit-type processing device for driving the transmission component and the movable component. During the driving of the transmission component and the movable component, the magnet unit reciprocates along the guiding mechanism near the workpiece to be demagnetized. This application has advantages such as high demagnetizing safety, high efficiency, and low difficulty in arrangement and operation.

The utility model belongs to the technical field of slurry demagnetizing machines, and particularly relates to a slurry demagnetizing machine with a continuous circulating demagnetizing function, which comprises a base and self-locking universal wheels fixedly mounted on the lower surface of the base and distributed in a linear array, a discharging opening flange of the feeding pipe is connected with a conveying assembly, and a continuous circulation demagnetizing mechanism is arranged at the position, located above the left side of the conveying assembly, of the base. According to the slurry demagnetizing machine with the continuous circulation demagnetizing function, by arranging the continuous circulation demagnetizing mechanism, magnetic impurities in slurry can be efficiently removed, it is ensured that the slurry is gradually purified in multiple demagnetizing stages, and therefore the quality and stability of the follow-up process are improved, and meanwhile through the continuous circulation and regular cleaning functions of the slurry demagnetizing machine, the continuous circulation demagnetizing function is achieved. The durability of the demagnetizing effect and the automatic operation of the equipment are ensured, and the manual intervention and maintenance cost are reduced.

The utility model relates to the field of crushing and screening, and discloses a coal gangue crushing and screening device which comprises a box body, a feeding hopper is arranged in the center of the upper end face of the box body, a crushing cavity is formed in the upper portion of the box body, and a screening structure is arranged below the crushing cavity. The screening structure comprises a multi-layer vibrating screen which is detachably mounted in the box body, and the multi-layer vibrating screen is provided with a lock body outside the box body; a magnetic attraction box is arranged on the lower portion of the box body, a magnetic attraction treatment structure is arranged in the magnetic attraction box, the magnetic attraction box is located below the screening structure, a magnetic attraction opening is formed between the magnetic attraction box and the box body, a magnetic discharging groove is formed in the bottom of the magnetic attraction box, and the magnetic attraction treatment structure comprises a magnetic attraction assembly and a scraper assembly; the scraper assembly is used for scraping the magnetic materials from the magnetic suction assembly, and the magnetic discharging groove is matched with the scraper assembly in position and used for collecting the magnetic materials. According to the utility model, magnetic impurities can be effectively reduced, and the coal gangue quality is improved.

The utility model discloses a magnetic filter and heating equipment, and belongs to the technical field of heating equipment. The magnetic filter comprises a filtering assembly, a valve body assembly and a sewage draining assembly; wherein the filtering assembly comprises an outer shell and a magnet filtering piece, a containing cavity is formed in the outer shell, and the magnet filtering piece is arranged in the containing cavity; the valve body assembly is at least provided with a fluid inlet, a fluid outlet and a connecting port, the valve body assembly is coupled with the outer shell through the connecting port, and the containing cavity can be filled with fluid through the fluid inlet so that magnetic impurities in the fluid can be filtered out through the magnet filtering piece, and the filtered fluid can be discharged outwards through the fluid outlet; the pollution discharge assembly is integrally installed on the outer shell and located below the magnet filter part, and when the magnet filter part is pulled out of the containing cavity, the pollution discharge assembly is in an open state, so that the magnetic impurities are discharged out of the outer shell through the pollution discharge assembly. The magnetic filter is compact in structure, high in integration level and low in cost.

The invention relates to a silica ore dressing method which comprises the following steps: step 1, crushing raw ore of silica ore, step 2, grinding the crushed silica ore by adopting a ball mill, step 3, carrying out graded desliming treatment on the ground silica ore by using a hydrocyclone, step 4, carrying out weak magnetic separation on the deslimed silica ore, and step 5, carrying out magnetic separation on the deslimed silica ore. And 5, the non-magnetic material subjected to weak magnetic separation is subjected to strong magnetic separation, and silica concentrate is obtained. Before the ore is subjected to strong magnetic separation, strong magnetic minerals are removed through weak magnetic pre-separation, the strong magnetic separator is effectively prevented from being blocked, the operation stability and the production continuity of equipment are improved, various magnetic impurity minerals including intergrowth particles can be removed to the maximum extent through the whole technological process, and the production efficiency is improved. Such as hematite, limonite, biotite, ilmenite, pyrite and garnet.

The utility model belongs to the technical field of counter-pressure casting, and particularly relates to a counter-pressure casting riser tube electromagnetic induction filtering device and system, which comprises a middle tube, an induction heating coil, a heating coil embedding block, a filtering medium and a riser tube, the filtering medium is arranged inside the riser tube, and the induction heating coil and the heating coil embedding block are arranged outside the riser tube. And the intermediate pipe covers the induction heating coil embedded block. Through structural optimization of the riser tube, impurities at the bottom of the molten metal container can be prevented from being involved into pure molten metal in the molten metal suction process, and filtering of original impurities is guaranteed to the maximum extent. Through the synergistic effect of electromagnetic induction and the magnetic filtering medium, magnetic and non-magnetic impurities in molten metal can be effectively filtered, the purity of the molten metal is remarkably improved, defects in a casting are reduced, and the mechanical property and reliability of the casting are improved.

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 discloses a magnetic impurity removal machine for alginate, relates to the technical field of impurity removal, and comprises a shell, the upper surface of the shell is communicated with a water inlet, the inner wall of the water inlet is fixedly connected with a magnetic material box, the side surface of the shell is provided with a collecting box, and one side, close to the water inlet, of the shell is provided with a driving assembly; the driving assembly comprises a motor, the motor is fixedly connected to the upper surface of the shell, the end, close to the shell, of the motor is fixedly connected with a first rotating rod, the end, away from the motor, of the first rotating rod is provided with a driving screw, the surface of the first rotating rod is fixedly connected with a first belt wheel, and the surface of the first belt wheel is sleeved with a transmission belt. A second rotating rod is installed on the side, close to the first belt wheel, of the shell, and a second belt wheel is installed at the end, away from the shell, of the second rotating rod. According to the magnetic impurity removing machine for alginate, the problem that the replacement process of the transmission belt is complex is solved.

This invention relates to the field of fluid impurity removal detection technology, and discloses an online detection method and system for the impurity removal efficiency of a fluid iron separator. The method includes: measuring the instantaneous content of magnetic impurities at the inlet and outlet in real time using a high-frequency electromagnetic induction sensor; monitoring the change in magnetic flux on the surface of the magnetic medium in real time using a miniature fluxgate sensor array; calculating the apparent impurity removal efficiency based on the impurity content at the inlet and outlet using an edge computing gateway, and simultaneously calculating the magnetic medium adsorption saturation based on the magnetic flux decay curve; weighting the apparent impurity removal efficiency using the magnetic medium adsorption saturation as a weight for adsorption effectiveness; when the magnetic medium adsorption saturation is lower than a preset saturation threshold, attenuation is performed according to the ratio of the apparent impurity removal efficiency multiplied by the magnetic medium adsorption saturation to the preset saturation threshold to obtain the true impurity removal efficiency. This invention solves the problem in existing technologies that cannot distinguish whether impurities are effectively retained or merely pass through the iron separator, achieving accurate detection of the true impurity removal efficiency.

The utility model relates to an impurity separation device for silver powder processing, comprising a box body, a mounting frame connected to the outside of the box body, a mounting plate connected to one end of the mounting frame, a swivel connected between the box body and the mounting plate, and a motor connected to the outside of the mounting plate. The impurity separation device for silver powder processing rotates the separation barrel until the barrel tube is located at the highest point of the separation barrel, so that the silver powder to be separated from the impurities enters the interior of the separation barrel through the barrel tube, and rotates the separation barrel until the barrel tube is located at the lowest point of the separation barrel, so that the large-particle impurities in the separation barrel are discharged through the barrel tube, which has the advantages of preventing silver powder from leaking out and facilitating recycling. When the silver powder is located at the arc of the magnetic transmission mechanism, the silver powder falls into the first bucket and is discharged, and the scraper scrapes the magnetic impurities on the conveyor belt of the magnetic transmission mechanism magnetically connected to the magnetic transmission mechanism into the interior of the second bucket and is discharged, which has the advantage of being able to separate magnetic impurities.

The present invention relates to the technical field of magnetic separation equipment, and particularly relates to a magnetic separation device and a production system. The magnetic separation device includes: a liquid inlet tank, a first drum and a second drum arranged in sequence; the first drum includes a first magnetic roller and a first outer cylinder; the first magnetic roller is fixedly arranged inside the first outer cylinder, the first outer cylinder is rotatably arranged, the first magnetic roller forms a first magnetic adsorption area and a first non-magnetic area on the surface of the first outer cylinder, and the first magnetic adsorption area is used for adsorbing magnetic impurities; the second drum includes a second magnetic roller and a second outer cylinder, the second magnetic roller is fixedly arranged inside the second outer cylinder, the second outer cylinder is rotatably arranged, and the second magnetic roller forms a second magnetic adsorption area and a second non-magnetic area on the surface of the second outer cylinder; any point on the axis of the second drum and any point on the axis of the first drum are connected through the second magnetic adsorption area and the first non-magnetic area, so that the magnetic impurities adsorbed by the first drum can be transferred to the second drum; the first outer cylinder and the second outer cylinder can also play a role in squeezing dry.

The invention discloses metal material recovery vacuum purification equipment, and relates to the technical field of metal material recovery, the metal material recovery vacuum purification equipment comprises a shell, a material guide pipe is fixedly mounted at the bottom of the shell, sliding grooves are formed in the two sides of the material guide pipe, material blocking parts are slidably mounted in the sliding grooves, and a heating barrel is fixedly mounted at the bottom of the material guide pipe; a magnetic separation mechanism is installed at the axis of an inner cavity of the shell, and a material distribution mechanism is installed at the bottom of the inner cavity of the shell. According to the metal material recovery vacuum purification equipment, iron-containing metal and non-magnetic impurities are separated through the magnetic separation mechanism, the non-magnetic impurities in raw materials are effectively removed, the impurities are prevented from influencing the heating purification effect, the purity of the raw materials is improved, a vacuum pipe in the heating barrel is connected with a vacuum pump to extract air in the barrel to form a vacuum environment, and metal oxidation is avoided; meanwhile, the metal boiling point is greatly reduced, and metal is efficiently purified.

The invention relates to a pipeline magnetic adsorption device which comprises a filter part arranged in a pipeline, a coil shell and an electric cabinet, the coil shell and the electric cabinet are arranged on the outer wall of the pipeline, filter holes are formed in the filter part, the coil shell is located on the upstream of the filter part, an electromagnetic coil is arranged in the coil shell, and the electric cabinet is electrically connected with the electromagnetic coil and an electric control valve. When the electric control valve is in a closed state, the electric control box supplies power to the electromagnetic coil in the coil shell, so that magnetic impurities are adsorbed on the inner wall of the pipeline; when the electric control valve is in an open state, the electric control box powers off the electromagnetic coil in the coil shell, large-diameter magnetic impurities are filtered by the filter holes, and small-diameter magnetic impurities pass through the filter holes. The pipeline magnetic adsorption device has the advantages that most structures of the pipeline magnetic adsorption device are installed outside a pipeline, interference on fluid in the pipeline is avoided, and the pipeline does not need to be transformed; the electric control box correspondingly controls the electromagnetic coil to be powered on and powered off according to opening and closing of the electric control valve, and therefore the electric control valve is not damaged by magnetic impurities when closed or semi-opened.