CN101554614B - Anti-podal permanent magnetic high-intensity magnetic separator - Google Patents
Anti-podal permanent magnetic high-intensity magnetic separator Download PDFInfo
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- CN101554614B CN101554614B CN2009100649389A CN200910064938A CN101554614B CN 101554614 B CN101554614 B CN 101554614B CN 2009100649389 A CN2009100649389 A CN 2009100649389A CN 200910064938 A CN200910064938 A CN 200910064938A CN 101554614 B CN101554614 B CN 101554614B
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Abstract
An anti-podal permanent magnetic high-intensity magnetic separator is characterized in that the magnetic separator comprises a frame (1), a power vibration mechanism arranged at the middle part of theframe, a permanent magnetic system arranged at the top of the frame, and a vibration supporting frame (18) which is arranged above the permanent magnetic system and is used for installing a feeding f unnel (10) and a magnetism-collecting medium box (8); the vibration supporting frame is combined with the power vibration mechanism by a connecting and supporting rod (6); the permanent magnetic system is characterized in that a plurality of axial permanent magnetic alnicos (20) with the same specification are superposed by an extrusion way in two groups and arranged at two sides of the magnetism-collecting medium box (8) in the horizontal direction, the polarity arrangement of each group is N-S-N-S-N-S or S-N-S-N-S-N, the external surfaces of the permanent magnetic alnicos form an antipodal magnetic separation space and a closed magnetic circuit, and the internal surface of each group of the permanent magnetic alnico is clamped between two bakelite boards (19) after being extruded, assembled and positioned precisely; and the Bakelite boards (19) are fixedly arranged on a chute vibration board (12) and a sliding plate (21) by a connecting bolt.
Description
Technical field
The present invention relates to be applicable to the assay technology of magnetic thing in the powders such as ore dressing, mineral processing, various rare, nonferrous metals ore (iron ore, manganese ore etc.), nonmetallic ore, abrasive material and grain, relate to a kind of specifically the polar permanent magnetic intensity magnetic separator.
Background technology
The assay of magnetic thing is the technical indicator that numerous areas such as the processing of ore dressing, mineral, various rare, nonferrous metals ore (iron ore, manganese ore etc.), nonmetallic ore, abrasive material and grain are extremely paid close attention in the powder; Measure the content of magnetic thing in the mineral, help to understand the distribution situation of present mineral resources, thus can efficent use of resources, be the basis of carrying out sorting mineral and classification; By quantitative analysis to magnetic material content in the mineral, can obtain the magnetic separation washability index of mineral, avoid the subjectivity influence of human factor evaluation result, overall merit is carried out in the mineral deposit; Can also reflect simultaneously the advanced and backward degree of producer's magnetic plant, find out metal loss amount in the mine tailing, thereby for improving technical process and the magnetic separation index points the direction.
Owing to the chemical composition of magnetic thing in various powders, compose that to deposit the mode difference very big, so the measurement standard that different industries is carried out disunity very, measuring method also varies.
The main component of the magnetite powder that the coal separation industry is used is Fe
3O
4, in fact the content of measuring the magnetic thing be exactly to measure Fe
3O
4Content, the bioassay standard of execution is the check criteria MT/T808-1999 of coal preparation plant, the measuring instrument of employing is the magnetic separation pipe.
Iron and steel, metallurgy industry are measured the magnetic thing in the ore, mainly are in fact to measure the content of iron-bearing mineral in the ore (specific susceptibility is greater than 3000 * 10
-6Cm
3/ g), the standard that measuring method is carried out is GB6730.5-1986, the 3 kinds of methods that have that extensively adopt are carried out ferromagnetic mensuration now, comprise: magnetic method in (1) is manual: with the permanent magnet that has copper (or glass) cover, magnetic mineral is selected then, the superincumbent magnetic mineral of absorption is washed out with wash bottle drip washing magnet, borrow and extract magnet out, magnetic mineral is put into another beaker, repeatedly for several times, till the magnetic mineral in sample is all selected; (2) manual outer magnetic method: take by weighing the 0-100g sample in beaker, adding about 20ml water makes sample moistening fully, being close to beaker bottom with permanent magnet (recording magnetic field intensity at the bottom of beaker is 900 ± 100 oersteds) moves, make magnetic mineral shift to a side, incline then and non magnetic ore, use sample ore in the broken off by water flush beaker again, repetitive operation is in the water that until inclining till the no mineral; (3) WFC-3 type magnetic separation instrument magnetic method: take by weighing the 0-100g sample in beaker, adding about 20ml water makes sample moistening fully, because the effect of magnetic force, the track that the magnetic ore particle departs from its vertical drop is attracted on the magnetic pole tube wall nearby, and non-magnetic particle falls by the effect of Chui Li and current drip washing, because the positive and negative opposed alignment of polarity of permanent magnet on the framework, and can do vertically to reciprocating motion, thereby make the magnetic direction checker of magnetic ore particle position, the magnetic ore particle becomes 180 ° of upsets thereupon, reduced the magnetic ore particle to the carrying secretly of non magnetic ore particle, the magnetic ore particle separated fully with non magnetic ore particle.Tester also has magnetic analysis instrument, induction roll-type magnet separator, strong magnetic ensaying instrument isodynamic analyzer except the magnetic separation pipe.
Normally used magnetic material content determining instrument equipment is JS11-G magnetic thing analyzer in the conventional abrasive material.Owing to contain certain magnetic thing usually in the abrasive material, its source and composition be more complicated all, mainly is pure iron/ferroalloy of wearing and tearing on the equipment in ferrosilicon/ferroalloy of forming in the smelting process or inclusion enclave and the processing pelletization etc.Abrasive material still is mixed with the magnetic thing after handling through magnetic separation unavoidably, and when magnetic material content in the abrasive material surpassed certain limit, the grinding tool of making can form iron speck, and it is assorted that the grinding tool surface is spent, and influences exterior of commodity, also influences grinding.Magnetic material content all should have strict restriction in the abrasive material.Once regulation is measured the abrasive material magnetic material content with " horsehoe magnet sorting " in GB24282-83, but because there is bigger error in this method, has now stipulated to adopt " electromagnetic method " to measure with magnetic thing analyzer.
The mensuration of magnetic metal thing is an important pressure index of flour quality check in the grain class powders such as wheat flour, directly influences people's health and safety; Wheat is measured the regulation that the method for magnetic material content is wherein mainly carried out " GB5509-198 grain, oil plant inspection-classification year magnetic metal thing determination method ", adopts " two magnetic method " (magnetic metal thing analyzer and attraction combined techniques) to measure.
Two magnetic methods are exactly on the basis of magnetic metal thing analyzer method, go out the magnetic metal thing with attraction again, make it to separate with additive, measure magnetic metal thing content.Two magnetic method principles make wheat flour evenly flow through magnetic metal thing analyzer lentamente to drop down plate, the electromagnet that the magnetic metal thing is dropped down on the plate holds, with the powder in the carbon tetrachloride flush away magnetic metal thing, the oven dry back goes out the magnetic metal thing with attraction, the magnetic metal thing is separated with additive, measure magnetic metal thing content in the wheat flour.
The magnetic separation pipe is a current application magnetic material content determining instrument the most widely, partly is made up of mounting seat, C shape iron core, field winding, transmission mechanism, glass tube and support thereof etc.; Mineral particle with different magnetic, the magnetic field by the magnetic separation pipe forms must be subjected to the effect of magnetic force and mechanical force (gravity and fluid effect); Owing to the magnetic force that magnetic is suffered than ore particle strong and that magnetic is more weak is different, just produced different movement locus; The particle that magnetic is stronger is enriched in the middle of two magnetic poles, the weak particle of magnetic is then discharged under the effect of current, because doing relatively reciprocating motion between magnetic separation pipe and magnetic pole, make the material between magnetic pole produce " rinse action ", the non-magnetic particle that is mixed between magnetic-particle is developed, so material particles is elected two kinds of independent products as by its magnetic different the branch.
The magnetic separation pipe is a humid analysis equipment, at first with flexible rubber hose glass tube is connected with running water pipe during operation, and glass tube is advanced in water filling, regulates the clip on the debris tube, makes the flow of water in the glass tube keep stable, and the water surface is higher than about magnetic pole 30mm; Connect power supply, motor back and forth moves up and down glass tube by transmission device and rotates; Then slowly ore pulp is fed the magnetic separation pipe from batch meter, stir on feed limit, limit.Feed finishes, and with water skiing the ore particle on cup and the glass bar is washed into the magnetic separation pipe.At this moment, the magnetic thing is attached on the glass tube that magnetic pole answers mutually, and nonmagnetics is discharged from debris tube with water, and water is clear in glass tube when not mixing, and clamps the clip of debris tube, cuts off the water simultaneously; Cut off the electricity supply, open the clip of debris tube, access the magnetic thing with the 500mL beaker, water is cleaned the magnetic thing of tube wall, the concentrate and tailings filtering means dehydration, and send into oven dry in 105 ℃ of drying boxes, be cooled to room temperature after the drying and weigh.
Though at present magnetic thing determination techniques is ripe, what magnetic separating apparatus adopted is electromagnetism magnetic system, and occupation area of equipment and operating cost are all higher, complex structure, complex operation and be not suitable for open-air the use; Divide the constituency ambient field strong many below 1T simultaneously, be difficult to satisfy the needs that weak magnetic powder is measured; And magnetic field intensity can not regulate according to magnetic material content and magnetic power thereof, and adaptability is not strong, and the magnetic measurement instrument remains further to be optimized.
Summary of the invention
Purpose of the present invention at defective such as above-mentioned magnetic thing analyzer complex structure of the prior art, complex operation, application surface be narrow, proposes a kind of simple in structure, flexible operation, adaptable to the polar permanent magnetic intensity magnetic separator just.Device of the present invention can be realized the mensuration to different magnetic powder materials such as the processing of ore dressing, mineral, various rare, nonferrous metals ore (iron ore, manganese ore etc.), nonmetallic ore and abrasive materials effectively.
The present invention mainly is the stack that utilizes rare earth magnetic steel, constitute in the horizontal direction utmost point formula magnetic separation space, and branch is selected to powder material in the both sides that are distributed in the magnetic matrix box uniformly.
Major technique measure of the present invention comprises following content:
Of the present invention the polar permanent magnetic intensity magnetic separator is comprised frame, be installed in the dynamic vibration mechanism of central rack, be installed in the permanent magnetic system of frame top, be positioned at the vibration bracing frame that is used to install batch meter and magnetic matrix box of permanent magnetic system top, this vibration bracing frame combines with dynamic vibration mechanism by connecting support bar; Described permanent magnetic system is that the axial permanent magnetic magnet steel by some same specifications becomes two groups of stacks by fashion of extrusion, every group of polarity is arranged as N-S-N-S-N-S or S-N-S-N-S-N, be distributed in the both sides of magnetic matrix box in the horizontal direction, form utmost point formula magnetic separation space and constitute closed magnetic circuit with the outer surface of permanent magnetic steel; And the inner surface of every group of permanent magnetic steel accurately is clamped in them between two bakelite plates behind the location by press fit, and by connecting bolt bakelite plate is fixed on chute oscillating plate and the sliding panel.
The horizontal displacement of sliding panel described in the present invention is to realize by leading screw and driving handle.
The mechanism of dynamic vibration described in the present invention comprises the oscillating plate that is installed in frame lower brace top by connecting bolt, shock-absorbing spring and helical compression spring, and is installed in the vibrating motor as vibration source on the oscillating plate by bearing block; Described vibration bracing frame combines with oscillating plate in the dynamic vibration mechanism by the connection support bar that is made of double threaded screw and helical spring; The discharging opening of described batch meter is connected with the magnetic matrix box.
Device of the present invention is selecting timesharing to powder material, dynamic vibration mechanism drives the vibration of the connection support bar generation different frequency that is made of double threaded screw, and then by the vibration bracing frame make the magnetic matrix box in to utmost point formula magnetic separation space, form the motion attitude, make powder material the time by the high intensity magnetic separation space, non-magnetic material is because self gravitation and vibration force can come off fully, and magnetic material can be adsorbed on the net fully at the stainless oscillating plate of magnetic conduction.This machine is rational in infrastructure, choosing branch process is simple, effective, power consumption is little, working service is easy.
The adjusting device of forming by driving handle, leading screw and sliding panel described in the present invention can be in to powder material contained magnetic material fully adsorb reach capacity after, to turn driving handle clockwise, drive sliding panel shape journey by regulating leading screw, and then the magnetic field intensity of regulating the magnetic separation space, make utmost point formula magnetic system distance is widened, reducing closed magnetic is magnetic field intensity; Treat to utmost point formula magnetic to be that spacing increases, when the magnetic separation space becomes the low-intensity magnetic field zone, can magnetic material be come off in the magnetic matrix box, obtain choosing branch purpose by power set; Inverse operation, can strengthen closed magnetic is magnetic field intensity; Package unit is simple and practical, efficient is high.
Permanent magnetic system among the present invention mainly utilizes high performance Nd FeB material, through accurate assembling, group technology, axial magnet steel by six same specifications becomes two groups of stacks by fashion of extrusion, and the parallel both sides that are distributed in magnetic matrix box (material is a magnetism-free stainless steel), the polarity of every group of stack permanent magnetic steel outer surface is distributed in the paired utmost point formula of horizontal direction and arranges, make magnetic circuit form closed form, thereby can obtain higher magnetic field intensity by enough less magnetic materials; The purpose of the bakelite plate that fit on adopts is: can utilize its non-magnetic energy to when fixation is played in utmost point formula magnetic system, can also effectively prevent the leakage field phenomenon, reduce the loss of magnetic flux.
The present invention utilizes the thulium permanent magnet stack combinations to form to provide high magnetic field area to utmost point formula magnetic separation space, and by power set and adjusting device, makes different magnetic powder materials can access good choosing branch effect.Package unit is cheap, simple and practical, and choosing divides the difficult obstruction of material in the process, selects component velocity fast, the efficient height.
Useful result of the present invention is as follows:
(1) utilizes vibrating motor to make vibration of media, can reduce the mechanical entrainment of dry material, improve choosing and divide effect; If adopt manual form, can also widen the test site, carry out field operation;
(2) a complete set of magnetic is to adopt the rare earth permanent magnet design, need not the electromagnetism choosing and divides, thereby reduce cost greatly;
(3) use adjusting device, can arrange utmost point formula stack magnetic system at the character of different powder materials with to the requirement of product, and then change magnetic field intensity;
(4) adopt novel magnetic material NdFeB, sharpness of separation improves greatly.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 unit permanent magnetic system structural representation.
Sequence number among the figure: 1, frame; 2, shock-absorbing spring; 3, oscillating plate; 4, helical compression spring; 5, connecting bolt; 6, stud; 7, driving handle; 8, magnetic matrix box; 9, pvc plastic plate; 10, batch meter; 11, helical spring; 12, chute oscillating plate; 13, locking nut; 14, as the vibrating motor of vibration source; 15, bearing block; 16, packing ring; 17, long hook bolt; 18, vibration bracing frame; 19, bakelite plate; 20, permanent magnetic steel; 21, sliding panel; 22, leading screw; 23, the stainless vibration expanded metals of magnetic conduction; 24, axial charging direction.
The specific embodiment
The present invention is described further below with reference to embodiment (accompanying drawing):
As shown in Figure 1, 2, 3, of the present invention the polar permanent magnetic intensity magnetic separator is comprised frame 1, be installed in the dynamic vibration mechanism of central rack, be installed in the permanent magnetic system of frame top, be positioned at the vibration bracing frame 18 that is used to install batch meter 10 and magnetic matrix box 8 of permanent magnetic system top, this vibration bracing frame 18 combines with dynamic vibration mechanism by connecting support bar 6; Described permanent magnetic system is that the axial permanent magnetic magnet steel 20 that the employing NdFeB magnetic material by some same specifications is prepared from becomes two groups of stacks by fashion of extrusion, every group of polarity is arranged as N-S-N-S-N-S or S-N-S-N-S-N, be distributed in the both sides of magnetic matrix box 8 in the horizontal direction, form utmost point formula magnetic separation space and constitute closed magnetic circuit with the outer surface of permanent magnetic steel 20; And the inner surface of every group of permanent magnetic steel 20 accurately is clamped in them between two bakelite plates 19 behind the location by press fit, and by connecting bolt 17 bakelite plate 19 is fixed on chute oscillating plate 12 and the sliding panel 21; The horizontal displacement of described sliding panel 21 is to realize by the adjusting device of being made up of leading screw 22 and driving handle 7.
Described dynamic vibration mechanism comprises the oscillating plate 3 that is installed in frame lower brace top by connecting bolt 5, shock-absorbing spring 2 and helical compression spring 4, and is installed in the vibrating motor 14 as vibration source on the oscillating plate 3 by bearing block; Wherein, shock-absorbing spring 2 is positioned at oscillating plate 3 belows, helical compression spring 4 by nut press mounting above oscillating plate 3; Described vibration bracing frame 18 combines with oscillating plate 3 in the dynamic vibration mechanism by the connection support bar 6 that is made of double threaded screw and helical spring 11.
The discharging opening of batch meter described in the present invention 10 is connected with magnetic matrix box 8, is filled with the stainless vibration expanded metals 23 of magnetic conduction in the magnetic matrix box.
Of the present invention is the periodic operation to the polar permanent magnetic intensity magnetic separator, and operating procedure is as follows:
(1) puts (sorting chamber is vertically placed) with magnetic separator is perpendicular, a magnetic matrix box 8 is installed in sorting chamber, determine the dry powder style of different grain size level,, prepare to select separating tests perhaps with the ore pulp form;
(2) opening power makes vibration source threephase asynchronous 14 steadys under certain low frequency, with a certain particle size fraction dry powder style (dry separation) or with the form (wet separation) of ore pulp slowly, equably from batch meter 10 feeds (deadweight feed), material is flowed through with low velocity and via to utmost point formula magnetic separation space, at high magnetic field area, magnetic material is adsorbed on the stainless vibration expanded metals 23 of magnetic conduction, non-magnetic material is then by the magnetic separation space, discharges to enter through magnetic matrix box 8 by composite force (self gravitation and vibration force) and specifies the container that connects material; Treat that feeding finishes, keep motor 14 with same vibration frequency work about 1 minute, wait to discharge material when almost nil (showing that non-magnetic material is separated with magnetic material), material receiver is shifted out the workspace, thereby obtain the non-magnetic material of test with particle size fraction;
(3) container that will connect material is once more put back to the workspace, clockwise rotate driving handle 7 (5-8 circle), driving screw mandrel 22 moves sliding panel 21 laterally, formation is away from (purpose is to reduce choosing to divide space magnetic field intensity to utmost point formula magnetic, be convenient to obtain magnetic material), after treating that sliding panel 21 has certain stroke, expanded motor 14 vibration frequencies, magnetic material begins to come off under the sharp pounding of vibration source, steady motor 14 was with same frequency 30 seconds, magnetic material is come off fully, and shift out and specify the container that connects material, obtain the magnetic material of test with particle size fraction;
(4) reduce electric machine frequency in initial value, rotate counterclockwise driving handle 7, make utmost point formula magnetic system is returned to original equilbrium position;
(5) for making dry powder style or ore pulp are fully selected branch, repeat (1)-(4) step, the magnetic material that obtains is for the first time repeatedly scanned, improve and select component efficiency;
(6) wait to obtain magnetic material when almost nil (magnetic material and non-magnetic material dissociate fully), magnetic material is measured, accomplish the end in view.
Assembling to the polar permanent magnetic intensity magnetic separator of the present invention must adopt rational assembly technology to realize.
Powder magnetic substance permanent magnetism of the present invention adopts the axial charging magnet steel to form utmost point formula magnetic separation chamber to utmost point formula analyzer, and can regulate the magnetic field intensity in choosing branch space at ferromagnetism particle and weak magnetic-particle by adjusting device, and for do, wet split all can, adaptability is strong.
Claims (5)
1. one kind to the polar permanent magnetic intensity magnetic separator, it is characterized in that: described magnetic separator comprises frame (1), be installed in the dynamic vibration mechanism of central rack, be installed in the permanent magnetic system of frame top, be positioned at the vibration bracing frame (18) that is used to install batch meter (10) and magnetic matrix box (8) of permanent magnetic system top, this vibration bracing frame (18) combines with dynamic vibration mechanism by connecting support bar (6); Described permanent magnetic system is that the axial permanent magnetic magnet steel (20) by some same specifications becomes two groups of stacks by fashion of extrusion, every group of polarity is arranged as N-S-N-S-N-S or S-N-S-N-S-N, be distributed in the both sides of magnetic matrix box (8) in the horizontal direction, form utmost point formula magnetic separation space and constitute closed magnetic circuit with the outer surface of permanent magnetic steel (20); And the inner surface of every group of permanent magnetic steel (20) accurately is clamped in them between two bakelite plates (19) behind the location by press fit, and by connecting bolt (17) bakelite plate (19) is fixed on chute oscillating plate (12) and the sliding panel (21).
2. according to claim 1 to the polar permanent magnetic intensity magnetic separator, it is characterized in that: the horizontal displacement of described sliding panel (21) is to realize by the adjusting device of being made up of leading screw (22) and driving handle (7).
3. according to claim 1 to the polar permanent magnetic intensity magnetic separator, it is characterized in that: described dynamic vibration mechanism comprises the oscillating plate (3) that is installed in frame lower brace top by connecting bolt (5), shock-absorbing spring (2) and helical compression spring (4), and is installed in the vibrating motor as vibration source (14) on the oscillating plate (3) by bearing block; Described vibration bracing frame (18) combines with oscillating plate (3) in the dynamic vibration mechanism by the connection support bar (6) that is made of double threaded screw and helical spring (11).
4. according to claim 1 to the polar permanent magnetic intensity magnetic separator, it is characterized in that: the discharging opening of described batch meter (10) is connected with magnetic matrix box (8).
5. according to claim 1 to the polar permanent magnetic intensity magnetic separator, it is characterized in that: described permanent magnetic steel (20) is to adopt the NdFeB magnetic material to be prepared from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100649389A CN101554614B (en) | 2009-05-18 | 2009-05-18 | Anti-podal permanent magnetic high-intensity magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100649389A CN101554614B (en) | 2009-05-18 | 2009-05-18 | Anti-podal permanent magnetic high-intensity magnetic separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101554614A CN101554614A (en) | 2009-10-14 |
| CN101554614B true CN101554614B (en) | 2011-03-16 |
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ID=41172984
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100649389A Expired - Fee Related CN101554614B (en) | 2009-05-18 | 2009-05-18 | Anti-podal permanent magnetic high-intensity magnetic separator |
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|---|---|
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823021B (en) * | 2010-04-15 | 2011-08-31 | 河南理工大学 | Permanent magnet opening gradient sorting device |
| CN104549726B (en) * | 2015-01-04 | 2017-01-25 | 湖北省地质勘查装备中心 | Medium-magnetism electromagnetic sorter |
| CN105665128B (en) * | 2016-04-14 | 2017-10-03 | 河南理工大学 | A kind of permanent magnetism closed magnetic architecture for realizing high background lectromagnetism field |
| CN106053778B (en) * | 2016-07-20 | 2019-03-19 | 重庆鼎润医疗器械有限责任公司 | A kind of magnetic suspension gauge head |
| CN107855213B (en) * | 2017-11-22 | 2019-08-30 | 河北地质大学 | It is point double to pole formula magnetic system permanent-magnet high gradient high intensity magnetic separation device in a kind of continuity |
| CN116727102B (en) * | 2023-08-15 | 2023-10-10 | 潍坊追日磁电科技有限公司 | Electromagnetic dry powder magnetic separation equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365599A (en) * | 1965-03-17 | 1968-01-23 | Wehr Corp | Magnetic circuit |
| US4046680A (en) * | 1975-03-14 | 1977-09-06 | Itasca Magnetics, Inc. | Permanent magnet high intensity separator |
| CN2633423Y (en) * | 2003-06-30 | 2004-08-18 | 徐俊峰 | Counter polar type permanent magnetic separator |
| CN2762888Y (en) * | 2004-09-15 | 2006-03-08 | 王永安 | Magnetic type apparatus for separating impurities |
| CN201394500Y (en) * | 2009-05-18 | 2010-02-03 | 河南理工大学 | Anti-pole type permanent and strong magnetic separator |
-
2009
- 2009-05-18 CN CN2009100649389A patent/CN101554614B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3365599A (en) * | 1965-03-17 | 1968-01-23 | Wehr Corp | Magnetic circuit |
| US4046680A (en) * | 1975-03-14 | 1977-09-06 | Itasca Magnetics, Inc. | Permanent magnet high intensity separator |
| CN2633423Y (en) * | 2003-06-30 | 2004-08-18 | 徐俊峰 | Counter polar type permanent magnetic separator |
| CN2762888Y (en) * | 2004-09-15 | 2006-03-08 | 王永安 | Magnetic type apparatus for separating impurities |
| CN201394500Y (en) * | 2009-05-18 | 2010-02-03 | 河南理工大学 | Anti-pole type permanent and strong magnetic separator |
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| CN101554614A (en) | 2009-10-14 |
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