CN101269351A - Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator - Google Patents
Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator Download PDFInfo
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- CN101269351A CN101269351A CNA2008100313068A CN200810031306A CN101269351A CN 101269351 A CN101269351 A CN 101269351A CN A2008100313068 A CNA2008100313068 A CN A2008100313068A CN 200810031306 A CN200810031306 A CN 200810031306A CN 101269351 A CN101269351 A CN 101269351A
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Abstract
The invention relates to a continuous discrete rare earth permanent magnet high-gradient magnetic separator which is used for sorting micro-fine particle-grade materials under the action of high specific magnetic force generated by the combination of a high-intensity magnetic field and a high-gradient magnetic gathering medium according to the difference of particle volume specific magnetization coefficients. The whole machine consists of a frame, a driving device, a separation disc, a separation box, rare earth permanent magnets, an ore feeder, a magnetic product ore receiving groove, a flusher and other components, and has a large-cavity-volume special-shaped permanent magnet antipodal window frame type high-field-strength rare earth permanent magnet, a multidimensional magnetic separation medium pile, a high-dispersion ore pulp separation box system, a multi-group continuous separation disc axial superposition combined structure and variable-frequency rotating speed control. The invention has the advantages of large single-machine processing capacity of equipment, simple structure, convenient operation and maintenance, energy conservation, stable production process, high separation precision, low equipment investment, low production cost, good separation technical index and the like, and can be effectively used for the impurity removal and purification of micro-fine particles, weakly magnetic metal minerals and non-metal minerals.
Description
Technical field
The present invention relates to a kind of ore dressing magnetic separator, be suitable for the weak magnetic metal breeze of micro-size fraction or nonmetal microfine fine ore and other material, press the difference of particle volume specific susceptibility, under the effect of the height ratio magnetic force of high high-intensity magnetic field and high gradient magnetic matrix combination results, the efficient rare-earth permanent magnet high gradient magnetic separator that separates.
Background technology
The demand of China's steel and iron industry imported iron ore stone is nearly 200,000,000 tons at present, and nearly 15～20% complicated difficult ore resource is arranged in the domestic explored iron ore deposit, exploits complicated refractory iron ore, and magnetic separation is one of important beneficiation method usually.Be engaged in industrial wet high-intensity magnetic optional equipment (or high gradient) abroad and mainly contain the big vast fort company (Humboldt Wedag AG) of Germany, sharp (the Eriez Magnetics of company of skill of the U.S., Inc.), the Sa La company (SalaMagnetics) of Sweden, the VMS company of Czech etc., these high intensity magnetic separation equipment are to adopt than the low field intensity permanent-magnet except there is a kind of " iron tyre " formula magnetic separator in the sharp company that plants, all the other provide the sorting background magnetic field by multi-form electromagnet, and separating medium mainly adopts plate, net, excellent medium.Homemade industrial wet high-intensity magnetic optional equipment (or high gradient) also adopts electromagnet that the sorting background magnetic field is provided entirely, and equipment investment is big, operating cost is high, effective rate of recovery of micro-size fraction magnetic mineral (40 μ m) problems such as (about about 30%) on the low side but exist.
Summary of the invention
The object of the present invention is to provide a kind of big disposal ability and efficient sorting and be used for the continuous discrete type high gradient magnetic separator that the micro-size fraction mineral sort.
For achieving the above object, technical scheme of the present invention is as follows: continuous discrete type rare earth permanent magnet high gradient magnetic separator, form by members such as sorting built-up section, drive unit and frame, ore feeder, magnetic product mine-carrying groove, syringes.The sorting built-up section is made up of separator plate, separatory vessel and rare earth permanent magnet magnet, separator plate constitutes whole rotary part with big barrel dliameter hollow shaft, along periphery the removable media heap is housed in the separator plate, separatory vessel is for filling with the non-magnetic conduction container of liquid and placing rare earth permanent magnet magnet and permanent magnetism in the extremely parallel cavity, the rare earth permanent magnet magnet be big cavity volume permanent magnetism to utmost point window frame formula magnet structure, separator plate has in the running greater than the operation and being immersed under the liquid level in the separatory vessel in the rare earth permanent magnet magnet of 1/3 annulus part.
According to the requirement of process lot size, separator plate, separatory vessel and rare earth permanent magnet magnet adopt 1 group or 1 group of above axial multi-stage superimposed formula combination.
It is cambered surface that the rare earth permanent magnet magnet is piled into top to the utmost point S utmost point and the N utmost point by Nd-Fe-B rare earth permanent magnetic material, and the magnet that cornerite is 140 °～180 ° is formed cavity window frame formula magnet structure with the iron yoke, and rare earth permanent magnet magnet and frame are taked entirely every magnetic treatment.
Separator plate medium heap pack completeness is 20%～30%, media stack is assembled into multidimensional sorting secter pat by the magnetic stainless steel material medium of high permeability, low remanent magnetism, the medium arragement direction with flow to the ore deposit parallel, being high density evenly arranges, dielectric surface magnetic induction intensity reaches 1.3～1.5 teslas, and the Surface field gradient reaches 10
4～10
6
Inboard and the outside is corresponding to the bottom and the top of magnetic product mine-carrying groove at separator plate, be respectively equipped with washer and syringe, the separator plate inside front is provided with damp type and gives the ore deposit ore feeder, by adjustable continuously in 0～20 rev/min of the separator plate running speed of variable frequency regulating speed control.
The present invention adopts the high energy product rare earth permanent-magnetic material to pile up big cavity volume abnormity permanent magnetism to utmost point window frame formula high-intensity magnets, replaced high energy consumption, expensive electromagnetism magnet; Select high permeability, low remanent magnetism magnetic stainless steel material for use, determine the separating medium shape, be assembled into the poly-magnetic separation media stack of special-shaped multidimensional by screening test; Adopt high dispersion sorting system technology, make that micro-size fraction ore pulp fluid is evenly discrete in sorting chamber in the industrial production, the simple ore grain is at the uniform velocity to wait and falls by a minute constituency, and amplitude peak having reduced non-magnetic particle guarantees that with the mutual absorption (molecular force absorption) between the weak magnetic-particle the efficient magnetic of fine-particle minerals separates simultaneously; Separator plate adopts the variable frequency regulating speed control transmission, operate steadily, energy-conservation, rotating speed control is accurate, simple to operate, it is convenient to adjust; Separator plate and magnet adopt axial multi-stage superimposed formula combining structure, with the big disposal ability of bonding machine equipment; Adopted damp type to unload the ore deposit device for ore deposit distributor, multichannel jet spraying and cleaning apparatus and back flush, magnetic produce product and nonmagnetics controllable quality and adjustment have effectively been guaranteed, guaranteed the cleaning of media stack after the sorting simultaneously, made that the production target of working continuously is stable.Complete machine has simple and compact for structure, the machine heavy and light, and volume is little, save equipment investment and production cost significantly, low energy consumption, and the advantage of the big disposal ability and the high efficiency of separation can separate removal of impurities at microfine metal fine ore or nonmetal breeze and other material magnetic, field such as refining is applicable.
Description of drawings:
Fig. 1 continuous discrete type rare earth permanent magnet high gradient magnetic separator front view.
Fig. 2 continuous discrete type rare earth permanent magnet high gradient magnetic separator side view.
Fig. 3 continuous discrete type rare earth permanent magnet high gradient magnetic separator rare earth permanent magnet magnet structure schematic diagram.
Fig. 4 continuous discrete type rare earth permanent magnet high gradient magnetic separator sorting built-up section schematic diagram.
The specific embodiment
Embodiment: form by critical pieces such as frame 1, sorting built-up section (separatory vessel 2, separator plate 9,, rare earth permanent magnet magnet 8), ore feeder 3, washer 4, magnetic product mine-carrying groove 5, separating medium heap 6, syringe 7, drive unit 10, frequency control electric cabinets 11 as the accompanying drawing continuous discrete type rare earth permanent magnet high gradient magnetic separator.Separator plate 9 internal diameter two ends are fixed with big barrel dliameter hollow shaft respectively and are constituted whole rotary part, drive control by drive unit 10 drivings and frequency control electric cabinet 11, rotate around quill shaft.Be equipped with in separator plate 9 peripheries can be for convenience detach fan-shaped stainless steel media stack 6.Rare earth permanent magnet magnet 8 is piled up the S utmost point 12, the N utmost point 13 and the iron yoke 14 that form by the high energy product rare earth permanent-magnetic material and is formed big cavity volume permanent magnetism to utmost point window frame formula magnet structure, the even magnetic induction intensity of closed magnetic field background reaches 0.98 tesla, rare earth permanent magnet magnet 8 is taked entirely every magnetic treatment with frame 1, it is cambered surface and the magnet that is 140 °～180 ° of cornerites along the separator plate bottom that the S utmost point 12 and the N utmost point 13 are piled into top by Nd-Fe-B rare earth permanent magnetic material respectively, has when guaranteeing the separator plate rotation greater than 1/3 annulus part to move in magnet.Separatory vessel 2 is the non-magnet material arc container, places rare earth permanent magnet magnet 8 and permanent magnetism to being surrounded by magnet in the extremely parallel cavity, and separator plate 9 has greater than the operation and being immersed under the liquid level of separatory vessel 2 in magnet all the time of 1/3 annulus part.It is 8 stack combinations arrangements vertically that 2 components are selected separator plate 9, separatory vessel 2 and the rare earth permanent magnet magnetic of built-up section.Be positioned at the top that each separator plate enters the magnet position for ore deposit distributor 3, ore pulp radially enters separatory vessel 2 by media stack 6 along the separator plate in the magnet by separator plate 9 inner rings vertically downward when giving the ore deposit; Inboard and the outside is respectively equipped with washer 4 and syringe 7 corresponding to the bottom and the top of magnetic product mine-carrying groove 4 at separator plate 9.The separator plate rotary speed is by adjustable continuously in 0～20 rev/min of scope of variable frequency regulating speed control running speed, and requires to carry out the adjustment of rinse water, flushing water and sorting rotating speed according to product quality.
The course of work: according to the sorting process specification requirement, configure the sorting rotating speed of separator plate 9, start separator plate 9, open and adjust rinse water and washing water quantity, the non-magnetic product blow-off valve of separatory vessel 2 bottoms is adjusted to certain open degree, maintain certain stable liquid level in the control separatory vessel 2, material to be selected is pressed finite concentration slurrying, control certain slurry amount of giving and evenly stably give slurry through ore feeder 3, separator plate 9 parts are soaked in the separatory vessel 2 and rotatablely move in permanent magnetism magnetic magnet 8, certain density ore pulp feeds separatory vessel 2 from separatory vessel 2 tops by separator plate 9 media stack 6, and non-magnetic particle is discharged by separatory vessel 2 bottoms by media stack 6 and entered the non-magnetic product groove; Magnetic-particle then is adsorbed in the dielectric surface and rotates with separator plate 9, the rinse water that is subjected to washer 4 is cleaned, behind separator plate 9 rotation disengaging field regions and separatory vessel, syringe 7 is along radially ecto-entad back flush of separator plate 9, magnetic-particle is entered magnetic product mine-carrying groove 5, thereby realized separating of non magnetic ore particle and weakly magnetic mineral composition granule,, realized continuous sorting along with the rotation of separator plate 9 enters the separatory vessel 2 feed zones feed-sorting-discharge that circulates once more.
The screening test of recovery again of certain the μ m of iron ore choiceness factory-10 mine tailing shows: iron concentrate grade reaches 57.16%, the concentrate Fe rate of recovery reaches 60%, not only obtained to sell qualified concentrate product, reached the technical indicator that other electric magnetic separators can't be realized, simultaneously also than electromagnetism optional equipment economize on electricity 95%.
Claims (7)
1, a kind of continuous discrete type rare earth permanent magnet high gradient magnetic separator, by the sorting built-up section, drive unit and frame, ore feeder, the magnetic product mine-carrying groove, member such as washer and syringe is formed, it is characterized in that: the sorting built-up section is by separator plate (9), separatory vessel (2) and rare earth permanent magnet magnet (8) are formed, separator plate (9) constitutes whole rotary part with big barrel dliameter hollow shaft, along periphery removable media heap (6) is housed in the separator plate (9), separatory vessel (2) is for filling with the non-magnetic conduction container of liquid and placing rare earth permanent magnet magnet (8) and permanent magnetism in the extremely parallel cavity, rare earth permanent magnet magnet (8) be big cavity volume permanent magnetism to utmost point window frame formula magnet structure, separator plate (9) has in the running greater than 1/3 annulus part and moves in rare earth permanent magnet magnet (8) and be immersed under the liquid level in the separatory vessel (2).
2, continuous discrete type rare earth permanent magnet high gradient magnetic separator according to claim 1 is characterized in that: separator plate (9), separatory vessel (2) and rare earth permanent magnet magnet (8) can adopt axial multi-stage superimposed formula combination more than 1 group or 1 group according to the size that treating capacity requires.
3, continuous discrete type rare earth permanent magnet high gradient magnetic separator according to claim 1 and 2, it is characterized in that: it is cambered surface that rare earth permanent magnet magnet (8) is piled into top to the utmost point S utmost point (12) and the N utmost point (13) by Nd-Fe-B rare earth permanent magnetic material, the magnet that cornerite is 140 °～180 °, form cavity window frame formula magnet structure with iron yoke (14), the even magnetic induction intensity of closed magnetic field background reaches 0.8～1.0 tesla, and rare earth permanent magnet magnet (8) is taked entirely every magnetic treatment with frame (1).
4, continuous discrete type rare earth permanent magnet high gradient magnetic separator according to claim 1 and 2, it is characterized in that: separator plate medium heap (6) pack completeness is 20%～30%, media stack (6) is assembled into multidimensional sorting secter pat by the magnetic stainless steel material medium of high permeability, low remanent magnetism, the medium arragement direction with flow to the ore deposit parallel, being high density evenly arranges, dielectric surface magnetic induction intensity reaches 1.3～1.5 teslas, and the Surface field gradient reaches 10
4～10
6
5. continuous discrete type rare earth permanent magnet high gradient magnetic separator according to claim 1 and 2, it is characterized in that: the inboard and outside is respectively equipped with washer (4) and syringe (7) corresponding to the bottom and the top of magnetic product mine-carrying groove (4) at separator plate (9).
6. continuous discrete type rare earth permanent magnet high gradient magnetic separator according to claim 1 and 2 is characterized in that: be provided with damp type ore feeder (3) at separator plate (9) inside front.
7. continuous discrete type rare earth permanent magnet high gradient magnetic separator according to claim 1 and 2 is characterized in that: by adjustable continuously in 0～20 rev/min of separator plate (9) running speed of variable frequency regulating speed control.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810031306A CN100577300C (en) | 2008-05-15 | 2008-05-15 | Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator |
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| CN200810031306A CN100577300C (en) | 2008-05-15 | 2008-05-15 | Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator |
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| CN101269351A true CN101269351A (en) | 2008-09-24 |
| CN100577300C CN100577300C (en) | 2010-01-06 |
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| CN200810031306A Expired - Fee Related CN100577300C (en) | 2008-05-15 | 2008-05-15 | Continuous Discrete Rare Earth Permanent Magnet High Gradient Magnetic Separator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947492A (en) * | 2010-10-22 | 2011-01-19 | 河南理工大学 | Permanent magnetic high-gradient comprehensive force field separator with disc structure |
| CN102205272A (en) * | 2011-05-09 | 2011-10-05 | 抚顺隆基电磁科技有限公司 | Modularized magnetic selecting device |
| CN102211059A (en) * | 2011-02-16 | 2011-10-12 | 北京博源恒升高科技有限公司 | High-field-intensity and high-gradient permanent magnetic separator |
| CN102600969A (en) * | 2012-03-20 | 2012-07-25 | 昆明理工大学 | Unit medium analytical method for optimizing magnetic medium array combination |
| CN103586126A (en) * | 2013-11-05 | 2014-02-19 | 合肥工业大学 | Magnetic trap for capturing magnetic impurities in high-temperature liquid metal coolant |
| WO2016054758A1 (en) * | 2014-10-10 | 2016-04-14 | Gonzales Reyes Juan Horacio | System for purifying dry, crushed, weakly magnetic minerals |
| CN105597920A (en) * | 2016-01-27 | 2016-05-25 | 中钢集团安徽天源科技股份有限公司 | Permanent magnet double-ring high-gradient magnetic separator |
| US9387486B2 (en) | 2014-09-30 | 2016-07-12 | Ut-Battelle, Llc | High-gradient permanent magnet apparatus and its use in particle collection |
| CN108262161A (en) * | 2017-02-24 | 2018-07-10 | 沈阳隆基电磁科技股份有限公司 | A kind of wet method High gradient high intensity magnetic separator |
Families Citing this family (2)
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| CN104858052B (en) * | 2015-05-28 | 2017-08-08 | 山东科力华电磁设备有限公司 | High-gradient permanent magnetic vertical plate magnetic separator |
| CN105057094B (en) * | 2015-07-15 | 2017-03-15 | 安徽理工大学 | A kind of continuously dynamic magnetic pole vibrated bed high-gradient permanent magnetic separator |
Family Cites Families (5)
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| GB251780A (en) * | 1925-05-20 | 1926-05-13 | Herbert Huband Thompson | Improvements in and relating to magnetic separators |
| CN2218607Y (en) * | 1994-12-29 | 1996-01-31 | 王正国 | Fixed magnet series disc type magnetic separator |
| CN1214277A (en) * | 1997-10-13 | 1999-04-21 | 冶金工业部马鞍山矿山研究院 | Permanent-magnet pulsating gradient magnetic separator |
| CN2801289Y (en) * | 2005-06-23 | 2006-08-02 | 王晚生 | Disk magnetic separator |
| WO2007099714A1 (en) * | 2006-03-03 | 2007-09-07 | Ehime University | Method of recovering metal and high-gradient magnetic separator |
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2008
- 2008-05-15 CN CN200810031306A patent/CN100577300C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947492A (en) * | 2010-10-22 | 2011-01-19 | 河南理工大学 | Permanent magnetic high-gradient comprehensive force field separator with disc structure |
| CN102211059A (en) * | 2011-02-16 | 2011-10-12 | 北京博源恒升高科技有限公司 | High-field-intensity and high-gradient permanent magnetic separator |
| CN102211059B (en) * | 2011-02-16 | 2014-02-19 | 北京博源恒升高科技有限公司 | High-field-intensity and high-gradient permanent magnetic separator |
| CN102205272A (en) * | 2011-05-09 | 2011-10-05 | 抚顺隆基电磁科技有限公司 | Modularized magnetic selecting device |
| CN102600969A (en) * | 2012-03-20 | 2012-07-25 | 昆明理工大学 | Unit medium analytical method for optimizing magnetic medium array combination |
| CN102600969B (en) * | 2012-03-20 | 2015-08-26 | 昆明理工大学 | A kind of unit medium analysis method optimizing magnetizing mediums permutation and combination |
| CN103586126A (en) * | 2013-11-05 | 2014-02-19 | 合肥工业大学 | Magnetic trap for capturing magnetic impurities in high-temperature liquid metal coolant |
| US9387486B2 (en) | 2014-09-30 | 2016-07-12 | Ut-Battelle, Llc | High-gradient permanent magnet apparatus and its use in particle collection |
| WO2016054758A1 (en) * | 2014-10-10 | 2016-04-14 | Gonzales Reyes Juan Horacio | System for purifying dry, crushed, weakly magnetic minerals |
| CN105597920A (en) * | 2016-01-27 | 2016-05-25 | 中钢集团安徽天源科技股份有限公司 | Permanent magnet double-ring high-gradient magnetic separator |
| CN108262161A (en) * | 2017-02-24 | 2018-07-10 | 沈阳隆基电磁科技股份有限公司 | A kind of wet method High gradient high intensity magnetic separator |
| CN108262161B (en) * | 2017-02-24 | 2024-04-02 | 沈阳隆基电磁科技股份有限公司 | Wet process high gradient strong magnetic separator |
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