53results about How to "Raise the magnetic field gradient" patented technology

A high-gradient continuous magnetic separator for weakly magnetic small particles, has a separation ring composed of multiple separation chambers containing steel fibres and magnetic medium, and at least 4 pairs of C-shaped permanent magnets surrounding said separation ring. The said separation chamber has feed tube and washing water tube. Its advantages are simple structure and easy operation.

The invention discloses a novel high-gradient magnetic flux converging medium for a high intensity magnetic separator. The high-gradient magnetic flux converging medium comprises non-magnetic conducting metal plates and a magnetic conducting medium rod, wherein a cross section of the magnetic conducting medium rod has a shape of equilateral rhombus; the rhombic magnetic conducting medium rod is fixed between the two non-magnetic conducting metal plates, thereby forming a separating medium box; the two non-magnetic conducting metal plates are embedded into a separating space of the magnetic separator in a parallel mode and are in suitable size; and two long-end vertex angles (acute angles) of the equilateral rhombic magnetic conducting medium rod are subjected to chamfering treatment. The high-gradient magnetic flux converging medium provided by the invention has the advantages that a gradient of a magnetic field in a magnetic path is high, magnetic resistance is small and energy consumption is saved; the high-gradient magnetic flux converging medium has the advantages of being free from 'magnetic short circuit' phenomenon and being difficult to block during an ore grain recycling process; and the high-gradient magnetic flux converging medium is specially suitable for recycling fine weak-magnetic ore grains and an effective grain level recycling lower limit can reach 5 microns.

A dry-type permanent magnetic roller for separation of fine-disseminated ore is characterized in that: the magnetic roller comprises a magnetic roller core shaft, a non-magnetic conductive cylinder by which the magnetic roller core shaft is sleeved in a manner that the cylinder has a same shaft center as the magnetic roller core shaft, stainless steel rings and low-carbon steel rings by which the non-magnetic conductive cylinder are orderly sleeved with intervals; a magnet ring formed by a plurality of spaced sector magnets and magnetism isolating materials are mounted surrounding an outer ring surface of each low-carbon steel ring, and a non-magnetic conductive material ring is mounted surrounding an outer ring surface of each stainless steel ring; a stainless steel wrapping layer is disposed on the outermost layer of the magnetic roller; the sector magnets are arranged with the N and S poles being alternative in the axial and circumference directions of the whole roller, and the magnetic poles are in pairs with each magnetic pole being an opposite magnetic pole to its adjacent magnetic pole.

The invention relates to an iron-titanium ore magnetic separator which comprises a rack, a magnetic separation mechanism and a feeding hopper, wherein the magnetic separation mechanism comprises a titanium concentration device, an iron-titanium separation device, a titanium selection motor and an iron-titanium separation motor; the titanium concentration device is driven by the titanium selection motor, a titanium concentrate discharging hopper, a titanium ore recovery hopper and a tailings discharging hopper are arranged at the lower side of the titanium concentration device; a titanium concentrate precision regulator is arranged at one sides of feeding ports of the titanium concentrate discharging hopper and the titanium ore recovery hopper; a tailings precision regulator is arranged at one side of a feeding port of the tailings discharging hopper; the iron-titanium separation device is driven by the iron-titanium separation motor and comprises a first iron-titanium separation device and a second iron-titanium separation device; iron-titanium separation precision regulators are arranged at one sides of an iron-titanium mixture discharging hopper and an iron-titanium powder discharging hopper which are arranged at the lower side of the first iron-titanium separation device and at one sides of a titanium-in-iron discharging hopper and an iron powder discharging hopper which are arranged at the lower side of the second iron-titanium separation device. The iron-titanium ore magnetic separator is simple and reasonable in structural design, high in magnetic separation efficiency, good in effect and capable of effectively screening and separating minerals, and is environment-friendly.

Embodiments of the present invention provide a perpendicular magnetic recording medium suitable for high density recording. According to one embodiment, a magnetic recording layer comprises four layers in which a first magnetic layer, a magnetic coupling layer, a second magnetic layer, and a third magnetic layer are formed above a substrate. The first magnetic layer and the second magnetic layer are perpendicular magnetization films containing an oxide, and ferromagnetically coupled with each other by way of the magnetic coupling layer, and they are, more preferably, a Co alloy layer containing an oxide. The third magnetic layer is ferromagnetically coupled with the second magnetic layer. The concentration of the oxide contained in the third magnetic layer is lower than the concentration of the oxide in the second recording layer, or the third magnetic layer does not contain the oxide. In this case, magnetic property is set for the anisotropic magnetic field Hk1 of the first magnetic layer and the anisotropic magnetic field Hk2 of the second magnetic layer, so as to satisfy: Hk1>Hk2.

The invention discloses a low-energy-consumption method for separating ilmenites from tailings in an iron choosing plant. The method comprises the following steps: firstly, by taking the tailings in the iron choosing plant as raw materials, separating the tailings by using a permanent magnet drum-type mediate-intensity magnetic separator; discharging non-magnetic materials directly taken as magnetic separation tailings; next, grinding mediate magnetic separation concentrates taken as magnetic materials under the conditions that the monomer separation of the ilmenites is effectively realized while the grinding concentrates, the fineness of which is controlled as -75mu m, account for 75% to 95%; performing low-intensity magnetic separation on the mediate magnetic separation concentrates by using a low-intensity magnetic separator so as to separate iron concentrates and lead the rest of mineral materials to enter the next step; performing rough separation on the rest of mineral materials and then performing fine separation on the concentrates for multiple times after the rough separation so as to obtain ilmenite concentrates; performing sweeping separation on the tailings after the rough separation; combining the useful mineral materials for multiple times after the sweeping separation; returning the tailings after the fine separation into a rough separation process; and finally discharging the tailings which are subjected to the sweeping separation are taken as the ilmenites. The method is simple in process, reasonable in magnetic path design, uniform in magnetic field distribution, high in metal recovery rate and good in separation quality.

The invention discloses a superconducting magnet apparatus capable of providing high-intensity magnetic fields and high magnetic field gradients. The superconducting magnet apparatus comprises a metal housing and an electromagnetic structure; an accommodating space is enclosed in the metal housing; a channel is formed in the middle of the accommodating space; the channel comprises an inlet and an outlet; the electromagnetic structure is arranged in the accommodating space in a sealed manner in a low-temperature superconductive environment; the channel passes through the center of the electromagnetic structure; the electromagnetic structure is a superconductive electromagnetic structure, and provides a first magnetic field and a second magnetic field distributed upwards along the axial direction of the channel in sequence; and the magnetic force directions of the first magnetic field and the second magnetic field are opposite. The electromagnetic structure of the superconducting magnet apparatus can provide two magnetic fields with opposite magnetic force directions simultaneously; and while ensuring high-intensity magnetic fields, the electromagnetic structure also can provide quite high magnetic field gradients due to the counteraction of the magnetic fields with opposite magnetic force directions.

The present invention provides a coarse coal powder permanent magnet dry type echelon magnetic extractor. The magnetic extractor includes a main body machine frame, a drive wheel machine frame equipped with a drive conveyer band wheel on the machine frame body and a drove wheel machine frame equipped with a drove conveyer band wheel on the machine frame body which are set on left side and right side of the main body machine frame respectively; an echelon magnetic source is set on top of a steel plate table of the main body machine frame, a magnetic material receiving hopper is set on bottom of the steel plate table of the main body machine frame; an upper conveyor belt part of a sorting material conveyer band drove by the drive conveyer band wheel and the drove conveyer band wheel locates on right upper part of the echelon magnetic source, a down bend returning band part locates on right down part of the echelon magnetic source; a vibrating feed hopper is set on the machine frame on upper of the drove conveyer band wheel, a non-magnetic receiving material hopper is set on the machine frame on down part of the drive conveyer band wheel; a poly-magnetic dielectric is set on upper of the sorting material conveyer band located on upper part of the echelon magnetic source which can move front and back, right and left.

The invention discloses a specific susceptibility tester. Existing related devices for testing specific susceptibilities are small in type and number, and similar instruments with related functions have the defects that testing periods are long, a great deal of labor is needed, the price is high or measurement accuracy is low. The specific susceptibility tester comprises an electromagnetism exciting system, a measurement support device, a digital measurement mechanism, a digital magnetic field measurement mechanism, an electrical control device and an automatic measurement software system. The specific susceptibility tester is simple in structure and convenient to use, and can automatically test the specific susceptibility of a substance. The specific susceptibility tester is stable in performance, can automatically adjust the magnetic field environment, collects and processes digital information of a transmission end, and synchronously displays testing data and plane rectangular coordinate images. The specific susceptibility tester is short in testing period, low in power consumption, high in measurement accuracy and capable of automatically generating testing reports.

The present invention proposes a dry double-roller strong magnetic separator, which includes a supporting frame, a transmission chain, and a feeding hopper arranged on the top of the supporting frame. At least two sets of relatively parallel toothed magnetic poles are wound on the electromagnetic roller, and the left and right sides of the electromagnetic roller are provided with unloading bearing seats, and the unloading bearing seats are provided with unloading brushes that match the toothed magnetic poles A discharge hopper is provided below the electromagnetic roller, and the electromagnetic roller drives the unloading brush wheel to rotate through the auxiliary sprocket assembly and the transmission chain arranged on the support frame. The dry-type double-roller strong magnetic separator of the present invention adopts the paired structure magnetic system and the tooth-shaped magnetic pole effect of the electromagnetic roller to increase the magnetic penetration depth, the magnetic field gradient is high, and the magnetic induction intensity of the magnetic separation area can reach 2.5T; the separation effect is good, It can sort dry and fine materials without environmental pollution.

The high gradient magnetic field generator features that it consists of three-pawl magnetic field instrument and capacitive discharge pulse magnetic field. The three-pawl magnetic field instrument consists of upper three-pawl magnetic field magnetic path device and lower fixing base board with central hole; and the electric pulse magnetic field consists of pulse power source for capacitor discharge and exciting winding on the S1-N1 pole head in the three-pawl magnetic field magnetic path device. The present invention has raised magnetic field gradient and strength and is suitable for use in the magnetic target treatment of superficial and deep tumor and animal experiment. The present invention has the advantages of high magnetic field gradient, long magnetic action distance, convenient operation, etc.

The invention belongs to the application field of superconducting magnets and discloses a bit-like superconducting magnet based on a ReBCO coating conducting sheet. The bit-like superconducting magnet based on the ReBCO coating conducting sheet includes superconducting sheets, insulation sheets, superconducting lead sheets and a fixing device. The insulation sheets and the superconducting sheets are overlapped under a first superconducting lead sheet in sequence, the adjacent superconducting sheets are welded, a second superconducting lead sheet is welded under the last superconducting sheet and the last insulation sheet, flanges are added on the top and the bottom, a locating pull rod penetrates through a locating hole of each sheet to fix all sheets together and form a whole single bit-like superconducting magnet; or single bit-like superconducting magnets are nested mutually through the adjustment of the inner radius and the outer radius, so that multi-level bit-like superconducting magnets are nested into a combined superconducting magnet. The bit-like superconducting magnet not only can output a high magnetic field, but also be stable, compact in structure and capable of realizing multi-level nest conveniently and processing general insulation easily.

The invention discloses a device for high-efficient separation of magnetotactic bacteria in a high gradient magnetic field, which comprises a container for accommodating liquid containing magnetotactic bacteria, and is characterized in that the container is disposed in a solenoid; the solenoid is connected with a low frequency power supply; a steel wool with magnetic conductibility is disposed in the container. The device of the invention has a high magnetic field gradient; the magnetic field force applied to the magnetotactic bacteria is hundred times higher than that applied by a permanent magnet, and thus the magnetotactic bacteria can be captured easily, and are not washed away with solutions. The adsorption efficiency is improved greatly. The high gradient magnetic field can be removed at any time by turning off the electromagnetic field, and thus the magnetotactic bacteria are easily washed off from the steel wool, realizing the purpose of separation or recovery. The device is low in technical cost, high in efficiency, and free of secondary pollution.

The invention relates to a gradient field electromagnet for permanent magnet temperature coefficient open circuit measurement. The gradient field electromagnet is used for providing magnetic field strength and magnetic field gradient which meet the requirements of temperature coefficient open circuit measurement in a permanent magnet temperature coefficient magnetic open circuit measurement device. The gradient field electromagnet comprises a bottom plate, an outer sleeve, an upper electrode tip, a lower electrode tip and a coil. The bottom plate is a circular bottom plate. The outer sleeve is fixed to the bottom plate. The upper electrode tip is of a cover structure with a through hole reserved in the center, and the upper electrode tip is fixed to the outer sleeve. The inner wall of the upper electrode tip is a protrusion with the certain radian. The lower electrode tip is a cylinder, wherein the top end of the cylinder is provided with a protrusion with the certain radian. The lower electrode tip is fixed to the bottom plate. The lower electrode tip is sleeved with the coil. Due to the ingenious structural design, excitation consumption outside a working area is greatly reduced, and high magnetic field gradient is obtained through a small number of field ampere-turns in the working area; meanwhile, the magnetic field strength and the magnetic field gradient which meet the requirements of temperature coefficient open circuit measurement can be provided, and the resolution ratio of temperature coefficient open circuit measurement is improved.

The invention discloses a Hall thruster magnetic circuit structure. By forming holes in an outer magnetic screen, an inner magnetic screen and a magnetic screen base and reserving a gap between the magnetic screen base and a magnetic conductive base, the cooling efficiency of a Hall thruster discharge channel is improved, and the design difficulty of a Hall thruster can be lowered; by optimizing the parameters of the magnetic screens and particularly the sizes of the fan-shaped holes, the gradient of the magnetic field in the discharge channel is improved, and therefore the electron utilization rate and ionization efficiency are increased; meanwhile, by optimizing the areas of the fan-shaped holes, the maximum value of the radial component of the magnetic field goes beyond the upper ends of the magnetic screens, the corrosion sputtering effects of ions on a ceramic inner ring and a ceramic outer ring are reduced to the minimum, and therefore the service life of the Hall thruster is prolonged to the maximum extent.

The invention relates to a cassava starch pretreatment-special-shaped medium magnetic separation process, and belongs to the technical field of mineral machining. The cassava starch pretreatment-special-shaped medium magnetic separation process comprises the steps of pulping, weak-magnetism iron ore flocculation pretreatment, magnetic separation and scavenging, wherein the magnetic separation comprises the following steps: the high magnetic separation is performed on pulp, obtained by treatment, by adopting a vertical ring pulsation high-gradient magnetic separator with a special-shaped magnetic medium box with a circular section with sawteeth under the conditions of the background field strength of 5000-10000 Oersted, the pulsation stroke of 0-20 mm and the pulsation jig frequency of 0-250 t / min to obtain high magnetic separation magnetic products. Compared with a traditional reinforced fine particle weak-magnetism iron ore recovery process, the method has the advantages of high ironrecovery rate, low comprehensive cost, simple flow structure and the like.

The invention discloses a preparation method of a composite magnetism-gathering medium for a horizontal ring type high-gradient high intensity magnetic separator. The composite magnetism-gathering medium is formed by compounding ultra-pure ferritic stainless steel and industrial pure iron, wherein the composite material is subjected to surfacing degreasing, welding, rolling and cooling to prepare the high intensity magnetic separation magnetism-gathering medium. The tooth-shaped magnetism-gathering medium prepared by the composite material has the advantages of being low in preparing cost, high in magnetic field gradient, long in service life and the like, and is capable of increasing the metal recovery rate and reducing the discharging amount of the tailings in the high intensity magnetic separation process.

Magnetic gathering medium, magnetic gathering medium box, magnetic gathering medium column and application thereof for magnetic separator. A magnetic gathering medium used in a magnetic separator is processed into strips, columns or rings, and the cross-sectional shape of the magnetic gathering medium is elliptical. A magnetism-gathering medium box, which is mainly composed of a non-magnetic-conductive metal plate and the aforementioned magnetism-gathering medium, the magnetism-gathering medium is processed into strip-shaped or column-shaped magnetism-gathering medium rods, and a plurality of magnetic-gathering medium rods are arranged at intervals between two between the non-magnetic metal plates. A magnetic accumulation medium column, which is mainly composed of multi-layer magnetic accumulation medium rings stacked up and down. The magnetic accumulation medium ring system is formed by concentrically nesting a plurality of magnetic accumulation medium rings from large to small. Each magnetic accumulation medium ring It is composed of the aforementioned magnetic gathering medium, and each magnetic gathering medium ring and each magnetic gathering medium ring system are separated from each other. The present invention can be applied in a magnetic separator to recover fine-grained magnetic minerals; when applied, the direction of the elliptical major axis of the magnetic-gathering medium rod should be parallel to the direction of the background magnetic field of the magnetic separator, and has the advantages of low cost, low energy consumption, and Blockage and the ability to generate high magnetic field gradients and other advantages.

The invention belongs to the field of atom cooling and capturing technology, and provides a method and a device used for preparing an ultra long type cold atomic cloud asymmetric two-dimensional magnetic optical trap. The method comprises following steps: 6 cooling light beams enters into a MOT glass cavity, and meet at a point, the 6 cooling light beams are divided into three pairs, and the two light beams in each cooling light beam pair are designed to be correlation overlapped, the first cooling light beam pair is designed to travel along the X axis direction, and the second cooling light beam pair and the third cooling light beam pair are designed in the Y / Z plane with an angle equal to or larger than 120 DEG; a first rectangular coil pair parallel to the Y / Z plane and a second rectangular coil pair parallel to be X / Z plane are arranged at the surrounding of a window of the MOT glass cavity, the length of the second rectangular coil pair is designed to be 1.5 times of the length ofthe first rectangular coil pair, and the first rectangular coil pair and the second rectangular coil pair are all anti-Helmholtz coils. The method and the device can be used for preparing high atom number and high optical thickness ultra long cigar-shaped cold cesium atom cloud, and providing high quality experiment mediums for quantum coherence effect, quantum storage, and quantum precision measuring researches.

The invention relates to a corn starch pretreatment-unusual medium magnetic separation process and belongs to the technical field of mineral processing. The corn starch pretreatment-unusual medium magnetic separation process comprises the steps of pulp mixing, weak magnetic iron mineral flocculation pretreatment, magnetic separation and scavenging, wherein the magnetic separation step is that strong magnetic separation work is carried out on obtained pretreated ore pulp through a vertical ring pulsating high gradient magnetic separator with an elliptic unusual magnetic medium box under the condition that the background field intensity is 5,000 oersted-10,000 oersted, the pulsation stroke is 0 mm-20 mm and the pulsation frequency of stroke is 0-250 per minute, a strong magnetic separation magnetic product is obtained, and the cross section of the unusual magnetic medium box is provided with saw teeth. Compared with an existing intensifying micro-fine particle weak magnetic iron mineralrecovering process, the method has the advantages of being high in iron recovering rate, low in composite cost, simple in flowage structure and the like.

The invention relates to a magnetic matrix used for a high silicon cold rolling prism-shaped rod type magnet separator, which belongs to the mineral processing equipment technical field. The invention is characterized in that the magnetic matrix is composed of two blocks of nonmagnetic metal plates and a plurality of high silicon cold rolling prism-shaped rod type magnetic conductive medium rods fixed in the nonmagnetic metal plates, two blocks of nonmagnetic metal plates are mutually parallel and embedded in a sorting space, the high silicon cold rolling prism-shaped rod type magnetic conductive medium rods are vertically fixed between two blocks of nonmagnetic metal plates to form a magnetic matrix sorting box. The high silicon cold rolling prism-shaped rod type magnetic conductive medium rods are prepared by the high silicon cold-rolled steel bar, the section is equilateral rhombus, a long pointed part of the prism-shaped rod is arranged towards to the direction of the magnetic field. The magnetic matrix used for the high silicon cold rolling prism-shaped rod type magnet separator possesses the advantages of high magnetic field gradient, large sorting space, high efficiency, energy saving, high-hardness and wear resistance, rust resistance, corrosion resistance, small retentive magnetism and the like, the better ore dressing index can be acquired, the magnetic matrix is especially suitable for recovering the weakly magnetic mineral particles with fine particle fraction.

The invention relates to a cell plating device taking magnetic liquid as a medium, belonging to the field of biomedical engineering. The cell plating device comprises a silicon wafer substrate, a T-shaped channel, a micro-coil I, a micro-coil II, a permanent magnet I, a permanent magnet II and a programmable alternating current (AC) power source, wherein the silicon wafer substrate is provided with the micro-coil I and the micro-coil II; the micro-coil I and the micro-coil II are positioned on the same straight line, and a gap is reserved between the micro-coil I and the micro-coil II; the T-shaped channel is fixed on the silicon wafer substrate in a sealing way; the micro-coil I and the micro-coil II are positioned under a horizontal channel of the T-shaped channel; the gap between the micro-coil I and the micro-coil II just faces to a vertical channel of the T-shaped channel; a transparent cover plate is arranged above the T-shaped channel, and is provided with the permanent magnet I or the permanent magnet II; the permanent magnet I or the permanent magnet II is positioned just above the gap between the micro-coil I and the micro-coil II; all leads of the micro-coil I and the micro-coil II are connected with the programmable AC power source. The cell plating device can effectively reduce the disturbance problem caused in a manual operation process, and increases cell plating efficiency.

The invention discloses an underfilled magnetic liquid shock absorber adopting a first-order buoyancy principle, belongs to the field of vibration in mechanical engineering, and successfully solves the problem that an existing magnetic liquid shock absorber cannot be applied in engineering practice due to many structural problems. The device comprises a base (1), an annular permanent magnet (2), a shell body (3), nuts (4), a sealing ring (5), a washer (6), a magnetic liquid (7), a first circular permanent magnet (8), an end cover (9), a mass block (10), a cavity (11), a second circular permanent magnet (12) and bolts (13), wherein the shell body is not completely filled with the magnetic liquid (7); the non-magnetic mass block (10) moves in the shell body (3), and generates friction, collision and viscous shearing with the magnetic liquid (7) to consume energy in the case of external vibration; and an electrical eddy current is generated in the mass block (10) to accelerate consumption for the vibration energy and achieve the purpose of shock absorption when the mass block (10) is made from a conductor material.

The invention relates to a fluid magnetic processor. The fluid magnetic processor is composed of a body (2), an inlet joint (1) and an outlet joint (3). The inlet joint (1) and the outlet joint (3) are connected to the body (2). The body (2) is composed of a cover plate (21), a housing (23) and a magnetic steel combination (27). The magnetic steel combination (27) is a permanent magnet string enclosed by end-to-end connection of multiple permanent magnet sources along a magnetism direction from N poles to S poles. An air gap is kept between adjacent permanent magnet sources. The permanent magnet sources are different from the vertical sectional area of the magnetism direction in terms of the area. As for the permanent magnet sources, the middle areas are the biggest with areas close to air gaps gradually becoming smaller. Compared with the prior art, the fluid magnetic processor has the following beneficial effects: high magnetic field intensity and high magnetic field gradient for the working air gaps are realized.

The invention relates to a gradient field electromagnet for permanent magnet temperature coefficient open circuit measurement. The gradient field electromagnet is used for providing magnetic field strength and magnetic field gradient which meet the requirements of temperature coefficient open circuit measurement in a permanent magnet temperature coefficient magnetic open circuit measurement device. The gradient field electromagnet comprises a bottom plate, an outer sleeve, an upper electrode tip, a lower electrode tip and a coil. The bottom plate is a circular bottom plate. The outer sleeve is fixed to the bottom plate. The upper electrode tip is of a cover structure with a through hole reserved in the center, and the upper electrode tip is fixed to the outer sleeve. The inner wall of the upper electrode tip is a protrusion with the certain radian. The lower electrode tip is a cylinder, wherein the top end of the cylinder is provided with a protrusion with the certain radian. The lower electrode tip is fixed to the bottom plate. The lower electrode tip is sleeved with the coil. Due to the ingenious structural design, excitation consumption outside a working area is greatly reduced, and high magnetic field gradient is obtained through a small number of field ampere-turns in the working area; meanwhile, the magnetic field strength and the magnetic field gradient which meet the requirements of temperature coefficient open circuit measurement can be provided, and the resolution ratio of temperature coefficient open circuit measurement is improved.

The invention discloses a drum-shaped dry-type superconducting open gradient magnetic separator. The magnetic separator is mainly composed of a central permanent magnet source, a drum which can rotate around the central permanent magnet source, a mineral powder funnel arranged above the drum and a nonmagnetic substance collection box and magnetic substance collection box which are arranged under the drum, wherein the central permanent magnet source is composed of a liquid nitrogen temperature dewar bottle and a magnetic region formed by high temperature superconductor attachment blocks which are adhered on the inner surface of the dewar bottle. The drum-shaped dry-type superconducting open gradient magnetic separator can generate a more than 2T of sorting magnetic field and high magnetic field gradient under the liquid nitrogen environment (77K), has the advantages of higher magnet working temperature than the low temperature superconducting magnet, large sorting region magnetic fieldgradient and the like, and can be widely used in mineral dressing and other fields.

The invention discloses a system for driving micro-fluid magnetic mixing based on a micro-wire magnetic field and a processing method. The system comprises a PCB, a silicon substrate is arranged on the PCB, a plurality of micro-wires are deposited on the silicon substrate side by side, the two ends of each micro-wire are connected with a conductive bonding pad arranged on the PCB through conductive connecting pieces, so that connection with an external control circuit and a power supply is realized, the silicon substrate is also provided with a Y-shaped microfluid channel for circulating magnetic nanoparticle suspension liquid and non-magnetic fluid, the bottom surface of the Y-shaped microfluid channel is in direct contact with the micro-wire, and an included angle is formed between the Y-shaped microfluid channel and the micro-wire. The magnetic solution and the non-magnetic solution in the Y-shaped channel are mixed under the action of a micro-wire magnetic field.