CN2522172Y - Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material - Google Patents
Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material Download PDFInfo
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- CN2522172Y CN2522172Y CN 02203090 CN02203090U CN2522172Y CN 2522172 Y CN2522172 Y CN 2522172Y CN 02203090 CN02203090 CN 02203090 CN 02203090 U CN02203090 U CN 02203090U CN 2522172 Y CN2522172 Y CN 2522172Y
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Abstract
The utility model relates to the strong magnetic roller of a magnetic separator for the processing of a weak magnetic ultrafine powder material. The working magnetic induction density (B value) of the present strong magnetic roller of the magnetic separator can be from 10,000 to 20,000 Gauss and the magnetic induction density gradient (grad B) can be 100,000 Gauss per centimeter, which exceeds the most upper limit index of the prior reported permanent magnetic separator. The utility model uses an open air gap magnetic circuit deign and consists of a rare earth permanent strong magnetic ring and a high magnetic permeable yoke according to the magnetic concentration principle under the permanent magnetic exclusion state. Using the strong magnetic roller as the nucleus can form a dry band separator, a dry drum separator and a wet drum high gradient separator. The utility model can be used for the enrichment of a metalliferous ore with a low susceptibility (weak magnetic), especially for the enrichment of a nonferrous metal mine, for the purification of a nonmetalliferous ore and materials with weak magnetic impurities, and in particular for the purification operation of the ultrafine material with the granularities from 30 to 40 micrometers and the content of the weak magnetic matters from 3, 000 to 20,000 milligram per liter.
Description
Technical field
The utility model relates to a kind of novel permanent magnetism separation equipment, particularly relates to a kind of strong magnetic roll of magnetic separator of handling weak magnetic superfine powder material.
Background technology
At present, the deironing purification problem to granular material in the domestic every profession and trade proposes more and more higher requirement, the cost and the operating cost that require to improve de-ironing efficiency and reduce equipment.At present, a large amount of dry type of the application of every profession and trade or wet type deironing apparatus mostly are electromagnetic type greatly, and a spot of is magneto, and the subject matter of these deironing apparatus is:
1, mostly is the magneto at 4000 Gausses' middle magnetic field magnetic separator except that the low-intensity (magnetic) separator and the work magnetic induction intensity of work magnetic induction intensity in 1500 Gausses, high intensity magnetic separator mostly is electromagnetic mode greatly, therefore, and the device structure complexity, need to be equipped with special rectifier power source, and the energy consumption height.The equipment failure rate height, the operating cost height;
2, used permanent magnetism equipment for removing ferric ion is except that strong magnetic induction intensity is low, and magnetic field gradient gradH is also very low, and general 1000 gauss/cm all are difficult to reach." ore dressing handbook the 3rd volume the third volume of a work " magnetic separation principle " joint is introduced: act on being expressed as of magnetic force F on the magnetic thing in magnetic plant: X is the magnetic susceptibility of material to be processed in the F=X.V.HgradH formula according to metallurgical industry publishing house.Magnetic susceptibility X is generally very low for weak magnetic thing.V is the volume of material to be processed, for powder material, and superfine powder material especially, V is generally very little, by the basic grain group of China GB GB2477-83 size range, will be lower than 240 purpose material called after micro mists.And name with capital W.Particle mean size is 10 microns called after W10, this micro mist generally is also referred to as superfine powder, because the particle size of superfine powder is very little, so volume V is also very little, wanting to improve the unique selection of efficiency of magnetic separation is exactly to improve magnetic plant work magnetic field H and magnetic field gradient gradH.For the excitatory equipment of electricity, want to improve the air gap (gap) that wide range of forms all will be designed and use in magnetic field, only among the inter-air space, could put on magnetic field.But electromagnetic structure one leaves air gap (gap), just be difficult to magnetic field gradient is done up, introducing tooth plate and steel wool medium improve magnetic field gradient on wet magnetic separation equipment, form so-called Wet-type high gradient magnetic separator, but just almost have no idea for dry-type magnetic selection apparatus.The magneto magnetic separator is opened the design of magnetic system and is introduced after the Fe-B rare-earth permanent magnet, and 6000 Gausses have been accomplished in the highest magnetic field, but magnetic field gradient has also only reached 1000 gauss/cm after adding repeller, upwards does very difficulty again.Permanent-magnet concentration equipment is that air gap (gap) has also been introduced as electromagnetic equipment in raising work magnetic field, though can bring up to magnetic induction intensity about 8000 Gausses the utmost point or pair roller type permanent magnetic separator, magnetic field gradient just is difficult to do up.
3, being merely able to be used for processing for above-mentioned magnetic plant contains free iron or contains the so strong magnetic material of tri-iron tetroxide, but almost is helpless for containing di-iron trioxide so weak magnetic impurity, especially particle diameter in the deferrization purification operation of the superfine powder of micro mist state.
Technology contents
The utility model purpose is to overcome the deficiency in the background technology and a kind of strong magnetic roll of magnetic separator of handling weak magnetic superfine powder material is provided.This strong magnetic roll makes full use of the high energy product of existing rare earth permanent magnet (Nd-Fe-B rare-earth permanent magnet and samarium cobalt rare earth permanent magnet) and the technical characterstic of high HCJ.Make full use of the poly-magnetic technology of permanent magnetism repulsion state, adopt the opening magnetic system design, air gap is not set, the work magnetic induction intensity on the surface of magnetic separator magnetic roll is reached 20000 Gausses (2 tesla) and magnetic field gradient reaches 10000 gauss/cm levels.This is a major progress in the design of permanent-magnet concentration equipment.High magnetic flux density could have big magnetic force to apply to magnetic material in conjunction with high magnetic field gradients, is the technical foundation of handling weak magnetic superfine powder material, and the superfine powder purification operation of dispeling weak magnetic thing that can not finish of making over becomes possibility.With the strong magnetic roll of this magnetic separator is that core can be designed to the dry type belt magnetic separator, the cartridge type high gradient wet magnetic separator that dry type drum magnetic separator and past did not have.
The technical solution of the utility model is:
A kind of strong magnetic roll of magnetic separator of handling weak magnetic superfine powder material, formed by parts such as no core axis, no magnetic thread ending cover, ring-like conductive magnetic yoke sheet and ring-like rare earth permanent magnet kicker magnets, it is characterized in that: ring-like conductive magnetic yoke sheet and ring-like rare earth permanent magnet kicker magnet are alternate staggered, no core axis is passed from two kinds of ring centre bores, and two ends are fixedly clamped by no magnetic thread ending cover.
Wherein, the material of described ring-like rare earth permanent magnet kicker magnet is neodymium iron boron (NdFeB) rare-earth permanent magnet and 1: 5 and 2: 17 type SmCo (Sm-Co) rare-earth permanent magnet of the various trades mark.
Described ring-like rare-earth permanent magnet be shaped as a complete and independent toroidal coils and on its circumferencial direction by a plurality of magnetic shoe sheets sticking and be spliced into one complete ring-like, unit magnetic shoe angle of each splicing magnet ring is 5 degree～180 degree.
The axial width size of described ring-like rare-earth permanent magnet is between 2mm～100mm.
The material of described ring-like conductive magnetic yoke sheet is an electrical pure iron, materials such as iron cobalt vanadium (FeCoV) alloy or mild steel.
The size of described ring-like conductive magnetic yoke sheet: external diameter equates with the external diameter of ring-like rare earth permanent magnet kicker magnet, and axial width is 0.5～20mm.
The ring-like rare earth permanent magnet kicker magnet direction of magnetization on described each ring-like conductive magnetic yoke sheet both sides all is opposite, i.e. the poly-magnetic combination of repulsion state.
The material of described no core axis and no magnetic thread ending cover is stainless steel, brass or nonmagnetic steel.
This practical advantage is:
1, utilize the rare earth permanent magnet kicker magnet to do magnetic field sources, save excitatory energy consumption, work magnetic induction intensity is up to 2T, and magnetic structure is simplified, open magnetic circuit magnetic system, and the granularity that adapts to the material of handling is very wide, the deferrization purification operation of especially suitable superfine powder material.Easy to maintenance, operating cost is low;
2, do not have air gap (gap), there is not the magnetic circuit blockage problem in the course of work.Utilize the repulsion state to gather magnetic technology, therefore, magnetic field gradient is very big, has created the tidemark of magneto magnetic separator, thereby very effective to the magneticaction of the particle of weak magnetic in the superfine powder;
3, this strong magnetic roll is just combined with the design of ultra-thin band formed the dry type belt magnetic separator.With the stainless steel cylinder leather block altogether, handle the skill of unloading the magnetic thing well and just formed the cartridge type dry-type magnetic extractor.In wet separation, with the stainless steel cylinder leather block altogether, handle removal magnetic thing skill well, just formed the cartridge type high gradient magnetic separator, this is a major advantage of the present utility model.
Description of drawings
Fig. 1: be the structural representation of the strong magnetic roll of magnetic separator of handling weak magnetic superfine powder material.
Fig. 2: be the structural representation of ring-like rare earth permanent magnet kicker magnet.
Wherein, 1, no core axis; 2, no magnetic thread ending cover; 3, ring-like conductive magnetic yoke sheet; 4, ring-like rare earth permanent magnet kicker magnet; 5, the concatenation unit of ring-like rare-earth permanent magnet kicker magnet watt type magnetic sheet.
The specific embodiment
Below in conjunction with Figure of description and embodiment, the utility model is further described.
As shown in Figure 1, the utility model is made up of three parts, is respectively: (one) magnetic field sources part is made up of ring-like rare earth permanent magnet kicker magnet.(2) the flux paths part is made up of ring-like conductive magnetic yoke sheet; (3) fastening part being installed is made up of no core axis and no magnetic thread ending cover.
Wherein, magnetic field sources partly is made up of several or the ring-like rare earth permanent magnet kicker magnet of dozens of.The material of these ring-like rare earth permanent magnet kicker magnets is selected, and the temperature conditions of the requirement of the work magnetic induction intensity of general and magnetic roll and the working environment of use has relation.Work magnetic induction intensity requires the maximum magnetic energy product of high then rare earth permanent magnet kicker magnet to require also high, normal temperature condition uses down or 100 ℃ of following conditions are used the general high HCJ Nd-Fe-B rare earth permanent magnetic material of using, the HCJ that is material is greater than 17000 oersteds, use the general samarium cobalt rare earth permanent magnet material of using under 120 ℃ of-250 ℃ of conditions, material trademark is SmCo5 (SmPr) Co5 or SmCo 2:17 type rare earth permanent-magnetic material.The axial dimension of material selects general work magnetic induction intensity with strong magnetic roll that certain relation is also arranged.When higher, the design of the axial dimension of general magnet ring is big for magnetic induction intensity, and promptly rare earth permanent magnet ring axial magnetic thickness/this value of the axial thickness of conductive magnetic yoke sheet is generally bigger.The utility model determines that according to different application practices the axial dimension of ring-like rare earth permanent magnet kicker magnet is chosen between 2mm～100mm.
The flux path part is made up of several or the ring-like conductive magnetic yoke sheet of dozens of.These ring-like conductive magnetic yoke sheets are passages of the magnetic flux that sends of magnetic field sources ring-like rare earth permanent magnet kicker magnet partly.Form actual useful high magnetic induction intensity value and high magnetic field gradient value with the surface at roller, the direction of magnetization of the two ring rare earth permanent magnet kicker magnets on the both sides of each the ring-like yoke sheet on whole strong magnetic roll axial length is opposite.That is to say for any one ring-like conductive magnetic yoke sheet, the ring-like rare earth permanent magnet kicker magnet on both sides all is that same polar repulsion state is clipped in the middle ring-like conductive magnetic yoke sheet, the outer circumference surface that the magnetic flux that the poly-magnetic technology of repulsion state is sent the ring-like rare earth permanent magnet kicker magnet in both sides all is forced to from ring-like yoke sheet " squeezes ", thereby forms the work magnetic induction intensity and the magnetic field gradient of strong magnetic roll.This point is the core place of the utility model technology.The material of ring-like conductive magnetic yoke sheet can be used electrical pure iron, Tie Gufanhejin and low carbon steel plate respectively according to the requirement of different work magnetic induction intensity and the requirement of cost.For the saturation magnetization and permeability of these three kinds of materials, Tie Gufanhejin (Fe48Co50V2) is the most suitable, but this material manufacturer is very few at home, cost an arm and a leg, processing charges is high.During in 5～20mm left and right sides, can consider to use electrical pure iron in the axial size of ring-like yoke sheet, this material magnetic conduction is higher, but saturation magnetization is lower than Tie Gufanhejin.The magnetic roll product of middle-grade requirement can be used this type of material, but processing charges are also higher.The permeability of mild steel is lower than electrical pure iron, but saturation magnetization and electrical pure iron are close, but because it can obtain thin plate on market, so relative cost is lower, therefore the strong magnetic roll that requires in middle low performance adopts this kind material.As previously mentioned, the axial dimension of ring-like conductive magnetic yoke sheet is selected relevant with strong magnetic roll design parameter.With magnet ring thickness/axial width, this ratio is relevant, and the axial width size of the ring-like conductive magnetic yoke sheet that the utility model is chosen is between 0.5～20mm.
Fastening part is installed to be made up of no core axis and no magnetic thread ending cover etc.The magnet of whole magnetic field sources of whole strong magnetic roll is to work under the repulsion state of a system.If the strong installation fastening system of neither one.System just may collapse to loose and destroy, and has only by no core axis and no magnetic thread ending cover just to make the poly-magnetic technology of repulsion state realize becoming possibility.Two words of required being stressed that " no magnetic ", if the mandrel magnetic conduction just forms mandrel short circuit leakage field in internal system, the poly-magnetic of whole repulsion state has just destroyed.The thread ending cover magnetic conduction also destroys and loses two end portions magnetic field.Therefore the no magnetic material of the utility model selection is a stainless steel, is generally 1Ct18Ni9Ti, and brass and nonmagnetic steel are done this two sections of material.
As shown in Figure 1, the utility model is made up of no core axis 1, no magnetic thread ending cover 2, ring-like conductive magnetic yoke sheet 3 and ring-like rare earth permanent magnet kicker magnet 4, it is characterized in that: ring-like conductive magnetic yoke sheet 3 and ring-like rare earth permanent magnet kicker magnet 4 are alternate staggered, no core axis 1 is passed from two kinds of ring centre bores, and two ends are fixedly clamped by no magnetic thread ending cover 2.
Wherein, the material of described ring-like rare earth permanent magnet kicker magnet 4 is neodymium iron boron (NdFeB) rare-earth permanent magnet and the 1:5 and 2:17 type SmCo (Sm-Co) rare-earth permanent magnet of the various trades mark.
Described ring-like rare-earth permanent magnet 4 be shaped as a complete and independent toroidal coils and on its circumferencial direction by a plurality of magnetic shoe sheets sticking and be spliced into one complete ring-like, unit magnetic shoe angle of each splicing magnet ring is 5 degree～180 degree.
The axial width size of described ring-like rare-earth permanent magnet 4 is between 2mm～100mm.
The material of described ring-like conductive magnetic yoke sheet 3 is an electrical pure iron, materials such as iron cobalt vanadium (FeCoV) alloy or mild steel.
The size of described ring-like conductive magnetic yoke sheet 3: external diameter equates with the external diameter of ring-like rare earth permanent magnet kicker magnet 4, and axial width is 0.5～20mm.
Ring-like rare earth permanent magnet kicker magnet 4 direction of magnetizations on described each ring-like conductive magnetic yoke sheet 3 both sides all are opposite, i.e. the poly-magnetic combination of repulsion state.
The material of described no core axis 1 and no magnetic thread ending cover 2 is stainless steel, brass or nonmagnetic steel.
Fig. 2 is the structural representation of ring-like rare earth permanent magnet kicker magnet 4.
Wherein, Fig. 2 (a) is complete and independent magnet ring, and this domain structure generally can only be at φ 100mm with interior employing owing to being subjected to the restriction of rare earth permanent magnet product processes condition up till now, generally the permanent-magnet rare-earth ring greater than the 100mm diameter just had only the employing connecting method, as Fig. 2 (b).The utility model is to 5 °～180 ° of the angle Selection of the central angle of the plain tile type magnet that splices ring-like rare earth permanent magnet kicker magnet.
Claims (8)
1, a kind of strong magnetic roll of magnetic separator of handling weak magnetic superfine powder material, by no core axis (1), part such as ring-like conductive magnetic yoke sheet of no magnetic thread ending cover (2) (3) and ring-like rare earth permanent magnet kicker magnet (4) is formed, it is characterized in that: ring-like conductive magnetic yoke sheet and ring-like rare earth permanent magnet kicker magnet are alternate staggered, no core axis is passed from two kinds of ring centre bores, and two ends are fixedly clamped by no magnetic thread ending cover.
2, the strong magnetic roll of magnetic separator of the weak magnetic superfine powder material of processing according to claim 1, the material that it is characterized in that described ring-like rare earth permanent magnet kicker magnet (4) is neodymium iron boron (NdFeB) rare-earth permanent magnet and 1: 5 and 2: 17 type SmCo (Sm-Co) rare-earth permanent magnet of the various trades mark.
3, according to the strong magnetic roll of magnetic separator of magnetic superfine powder material a little less than claim 1 and the 2 described processing, it is characterized in that described ring-like rare-earth permanent magnet (4) is shaped as a complete and independent toroidal coils and on its circumferencial direction by a plurality of magnetic shoe sheets sticking and be spliced into one complete ring-like, unit magnetic shoe angle of each splicing magnet ring is 5 degree～180 degree.
4, according to the strong magnetic roll of magnetic separator of claim 1,2 and 3 described processing weak magnet superfines materials, the axial width size that it is characterized in that described ring-like rare-earth permanent magnet (4) is between 2mm～100mm.
5, the strong magnetic roll of magnetic separator of the weak magnetic superfine powder material of processing according to claim 1, the material that it is characterized in that described ring-like conductive magnetic yoke sheet (3) is an electrical pure iron, materials such as iron cobalt vanadium (FeCoV) alloy or mild steel.
6, handle the strong magnetic roll of magnetic separator of weak magnetic superfine powder material according to claim 1 or 5, the size that it is characterized in that described ring-like conductive magnetic yoke sheet (3): external diameter equates with the external diameter of ring-like rare earth permanent magnet kicker magnet, and axial width is 0.5～20mm.
7, the strong magnetic roll of magnetic separator of the weak magnetic superfine powder material of processing according to claim 1, ring-like rare earth permanent magnet kicker magnet (4) direction of magnetization that it is characterized in that described each ring-like conductive magnetic yoke sheet (3) both sides all is opposite, i.e. the poly-magnetic combination of repulsion state.
8, the strong magnetic roll of magnetic separator of the weak magnetic superfine powder material of processing according to claim 1 is characterized in that the material of described no core axis (1) and no magnetic thread ending cover (2) is stainless steel, brass or nonmagnetic steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203090 CN2522172Y (en) | 2002-02-09 | 2002-02-09 | Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203090 CN2522172Y (en) | 2002-02-09 | 2002-02-09 | Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material |
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| Publication Number | Publication Date |
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| CN2522172Y true CN2522172Y (en) | 2002-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02203090 Expired - Fee Related CN2522172Y (en) | 2002-02-09 | 2002-02-09 | Magnetic separator strong magnet roller for treating low-intensity magnetic super-fine powder material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111811A (en) * | 2013-03-07 | 2013-05-22 | 茂名市兴丽高岭土有限公司 | Manufacturing method for kaolin iron removal filter screen |
-
2002
- 2002-02-09 CN CN 02203090 patent/CN2522172Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103111811A (en) * | 2013-03-07 | 2013-05-22 | 茂名市兴丽高岭土有限公司 | Manufacturing method for kaolin iron removal filter screen |
| CN103111811B (en) * | 2013-03-07 | 2015-09-23 | 茂名市兴丽高岭土有限公司 | A kind of manufacture method of kaolin iron removal filter screen |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING XINBO TONGCHUANG ENERGY TECHNOLOGY DEVELO Free format text: FORMER OWNER: XINBOTONG PETROCHEMICAL EQUIPMENT CO., LTD., BEIJING Effective date: 20040917 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040917 Address after: 100085, Jinyu science and technology center, No. 9, 3rd Street, Beijing, Haidian District, C - 801 Patentee after: Xinbotongchuang New Energy Technology Development Co., Ltd., Beijing Address before: North Fourth Ring Road 100083 Beijing Haidian District City 229 Haitai Building No. 1707 Patentee before: Beijing New Baron Petrochemical Equipment Inc. |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |