CN104001617B - Reciprocating permanent-magnet high-field-intensity magnetic filter - Google Patents
Reciprocating permanent-magnet high-field-intensity magnetic filter Download PDFInfo
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- CN104001617B CN104001617B CN201410231566.5A CN201410231566A CN104001617B CN 104001617 B CN104001617 B CN 104001617B CN 201410231566 A CN201410231566 A CN 201410231566A CN 104001617 B CN104001617 B CN 104001617B
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Abstract
The invention discloses a reciprocating permanent-magnet high-field-intensity magnetic filter, in particular to a reciprocating permanent-magnet high-field-intensity magnetic filter, wherein the uniform background magnetic induction intensity of each separation space can reach more than 1.5T, and the technical problems to be solved are that the field intensity of a separation area of a magnetic separator in the prior art is low, demagnetization is not easy to occur, and the treatment capacity of equipment is small. The invention adopting the technical scheme ensures that the uniform background magnetic induction intensity of each sorting space can reach more than 1.5T; and demagnetization is convenient, and continuous operation can be realized.
Description
Technical field
The present invention relates to a kind of magnetic separator technology, it is a kind of reciprocating permanent-magnetic high-field intensity magnetic filter machine of design specifically. This magnetic filter can be used for sorting weak magnetic mineral, non-metallic minerals de_ironing refinement, magnetic mineral content analysis in ore, also can be used for producing magnetized water, magnetization fertilizer etc.
Background technology
At present, the magnetic separator of nearly all weak magnetic separation equipment and most of medium field intensity all have employed permanent magnetic system, but high-field intensity magnetic selects machine to be still main with electromagnetism magnetic, permanent magnet material how is adopted to carry out rational magnetic system, magnetic Circuit Design so that point favored area can obtain one of high magneticstrength focus becoming permanent magnetic separator research.
The people such as old loyal, Sun Zhongyuan, Feng Dingwu of Zhongnan Polytechnic Univ have developed a kind of magnetic architecture, for wavy magnetic field multipole permanent magnetic system, whole magnetic system forms closed magnetic system by inside and outside magnetic system, inside and outside magnetic system is magnet armouring and extrudes magnetic system, field intensity on its medullary ray becomes sinusoidal curve to distribute, sorting gap adjustable between inside and outside magnetic system, to adapt to different material to the requirement of sorting field intensity, its highest background lectromagnetism field is 1T.
Chang Wenchen proposes micro-concept leading series-parallel connection permanent magnetic circuit technology in the patent application material of many units permanent magnet high gradient magnetic separator. Its magnetic system is one piece of magnetic-collecting board on falling on the strontium ferrites of basic magnetic source, the higher field intensity Nd-Fe-B permanent magnet composition compound magnetic source that the upper size that falls is less, and background field Du Keda 0.7 0.9T, directly connects n to (n is even number) same compound magnetic source; Being connected to form series connection without leading magnetic circuit without the need to magnetic vibrating feeder yoke and magnetic conductive board between magnetic system, formed and multiple sort space, during series connection, two adjacent compound magnetic sources share one block of strontium ferrites.Without leading, series connection magnetic circuit can form series-parallel connection magnetic circuit by means of only the closure function of outermost end two magnetic conductive board or magnetic vibrating feeder yoke to even number; In one-piece construction, multiple nothing is led magnetic circuit and is all formed complete closed magnetic circuit, the highest background lectromagnetism field 0.9T.
Czech Republic adopts two pieces of permanent magnets to pole and iron to drive the magnet structure forming big cavity Window frame-type, and the sorting case identical with the cavity profile that magnetic system surrounds is arranged wherein, the in-built magnetic matrix of sorting case. The big magnetic patch that single magnetic pole is made up of multiple little ndfeb magnet, each magnetic patch loads stainless steel box and is then welded on the U shape steel plate of different size, being assembled into by two U shape steel plates can the closed magnet circuit that forms of the big magnetic patch of movement mutually by two again, when sorting gap is 30mm, the even magnetic induction density of closed magnetic field background can reach 0.9T.
The patent No. 200910064167.3 1 kinds of permanent magnet high-field intensity magnetic filters, the main magnetic system of this equipment grips what sheet was formed by adopting some permanent magnetic rings being serially connected in coaxial line mode and the height being squeezed between every two permanent magnetic rings mutually stacked to lead magnetic, the inner ring chamber of permanent magnetic ring is as sorting space, and the magnet ring polarity of same yoke sheet both sides is identical; Outer ring surface around permanent magnetic ring carries out armouring with some blocks of fan-shaped magnet steel, forms auxiliary magnetic pole so that each magnet ring be subject to upper and lower and outside three extrude the magnetic flux to improve sorting space. Owing to adopting permanent magnetic ring inner ring chamber as sorting space, magnetic system design adopt three form closed magnetic system with pole extrusion technique, make magneticstrength on the center axis of sorting chamber can reach 1.3T, magneticstrength in sorting chamber is uneven, the volume of this magnetic system is bigger, device structure is complicated, and assembling difficulty, not easily applies.
In sum, current strong permanent-magnet separator mostly have employed closed circuit magnetic architecture, sorting space is built by two or more than two independent magnet, although also using auxiliary magnet armouring and the poly-magnetic technology of extruding repulsion, but point favored area field intensity is many at below 1T, the needs being difficult to meet the weak magnetic powder of sorting, magnetic system design needs to be optimized further.
Summary of the invention
Intensity for point favored area field intensity of magnetic separator in prior art is low, not easily demagnetizes, and the treatment capacity of equipment is less, and the reciprocating permanent-magnetic high-field intensity magnetic that the present invention provides the homogeneous background magnetic induction density in each sorting space a kind of can reach more than 1.5T filters machine.
In order to realize above-mentioned purpose, the technical solution used in the present invention is: a kind of reciprocating permanent-magnetic high-field intensity magnetic filter machine, comprise dynamic magnetic system, the both ends of dynamic magnetic system are located in frame by cylinder I and cylinder II, dynamic magnetic system both sides are provided with symmetrical demagnetization magnetic system I and demagnetization magnetic system II, demagnetization magnetic system I and demagnetization magnetic system II are parallel to each other on the retaining plate being fixed on frame.
Armoured plate is equipped with in upper and lower both sides in described dynamic magnetic system, and armoured plate is equipped with in three sides upper and lower, outer of demagnetization magnetic system I and demagnetization magnetic system II, and the inner side of demagnetization magnetic system I and demagnetization magnetic system II is with extremely relative, and dynamic magnetic system and magnetic system I of demagnetizing, magnetic system II of demagnetizing are different extremely relative.
Described dynamic magnetic system comprises two pieces of magnetic system end plates, parallel two block magnetic system armour plate it is fixed with between two pieces of magnetic system end plates, end magnetic patch is equipped with in the inner side of two pieces of magnetic system end plates, the inner side of end magnetic patch is T-shaped yoke, it is that magnetic patch and cross yoke are alternately arranged inside T-shaped yoke, the cavity of magnetic patch and cross yoke composition is as sorting space, and sorting is filled with magnetic matrix in space.
Described demagnetization magnetic system comprises two pieces of demagnetization magnetic system end plates, is fixed with parallel two piece demagnetization magnetic system armour plate and forms rectangle between two pieces of demagnetization magnetic system end plates, demagnetization magnetic patch between two pieces of demagnetization magnetic system end plates and yoke alternately arrangement.
Compared with prior art, 1) present invention employs same pole extrusion technique and closed circuit magnetic system design, it is ensured that the homogeneous background magnetic induction density in each sorting space can reach more than 1.5T; Dynamic magnetic system both sides are demagnetization magnetic system, and dynamic magnetic system is moved up and down by cylinder, reaches effect easily of demagnetizing, it is possible to realize continuous operation;
2) magnet due to permanent magnetic action face is exposed, during sorting, weak magnetic substance is attached directly to plane of action surface. Reactive force acts on weak magnetic mineral completely, and plane of action magnetic force is without any loss;
3) present configuration is simple and easy to assembling. Intensive magnetic line of force distribution solves the leakage of closed type magnetic circuit and selects serious problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is magnetic architecture schematic diagram.
Fig. 3 is demagnetization magnetic architecture schematic diagram.
Embodiment
As shown in Figure 1, a kind of reciprocating permanent-magnetic high-field intensity magnetic filter machine, comprise dynamic magnetic system 1, the both ends of dynamic magnetic system 1 are located in frame 7 by cylinder I 4 and cylinder II 5, dynamic magnetic system 1 both sides are provided with symmetrical demagnetization magnetic system I 2 and demagnetization magnetic system II 3, demagnetization magnetic system I 2 and demagnetization magnetic system II 3 are parallel to each other on the retaining plate 6 being fixed on frame 7.
Armoured plate is equipped with in upper and lower both sides in dynamic magnetic system 1, armoured plate is equipped with in three sides upper and lower, outer of demagnetization magnetic system I 2 and demagnetization magnetic system II 3, the inner side of demagnetization magnetic system I 2 and demagnetization magnetic system II 3 is with extremely relative, and dynamic magnetic system 1 and magnetic system I 2 of demagnetizing, magnetic system II 3 of demagnetizing are different extremely relative.
As shown in Figure 2, dynamic magnetic system 1 comprises two pieces of magnetic system end plates 8, parallel two block magnetic system armour plate 9 it is fixed with between two pieces of magnetic system end plates 8, end magnetic patch 10 is equipped with in the inner side of two pieces of magnetic system end plates 8, the inner side of end magnetic patch 10 is T-shaped yoke 11, is that magnetic patch 12 and cross yoke 13 are alternately arranged inside T-shaped yoke 11, and the cavity that magnetic patch 12 and cross yoke 13 form is as sorting space, sorting is filled with magnetic matrix in space, it is also possible to be cavity.
As shown in Figure 3, demagnetization magnetic system comprises and is fixed with parallel two piece demagnetization magnetic system armour plate 15 between two pieces of demagnetization magnetic system end plates, 14, two pieces of demagnetization magnetic system end plates 14 and forms rectangle, demagnetization magnetic patch 16 between two pieces of demagnetization magnetic system end plates 14 and yoke 17 alternately arrangement.
The dynamic magnetic system 1 of the present invention forms main magnetic system by some magnetic patch 12 and the cross yoke 13 that is squeezed between every two magnetic patch mutually stacked 12, the two ends of main magnetic system are arranged T-shaped yoke 11 and are extruded fixing by end magnetic patch 10, and adjacent two cross yokes 13 or the sorting chamber between cross yoke 13 and T-shaped yoke 11 are as sorting space; Magnetic patch 12 polarity of same cross yoke 13 both sides is identical, and the end magnetic patch 10 of same T-shaped yoke 11 both sides is identical with magnetic patch 12 polarity.
The demagnetization magnetic system 2 of the present invention, demagnetization magnetic system 3 are made up of some demagnetization magnetic patch 16 and the yoke 17 that is squeezed between the every two demagnetization magnetic patch 16 mutually stacked, and demagnetization magnetic patch 16 polarity of same yoke 17 both sides is identical.
This reciprocating permanent-magnetic high-field intensity magnetic filter machine is periodic operation, operation steps is as follows: by magnetic separator horizontal or perpendicular put (sorting chamber horizontal positioned or vertically place, Fig. 1 vertically places), the magnetic matrix being dimensioned slightly smaller than sorting chamber is placed in sorting space, during work, dynamic magnetic system is positioned at outside the demagnetization space of two demagnetization magnetic system compositions, then by batch meter, material fed sorting space, material flows through magnetic matrix by wind model (dry separation) or with the form (wet separation) of ore pulp, during magnetic separator horizontal positioned, material can from up to down enter, also upwards can enter under oneself, non-magnetic material becomes non magnetic product by the gap of magnetic matrix smoothly, magnetic mineral is then adsorbed on magnetic matrix under the action of a magnetic force, after magnetic matrix absorption is saturated, stop just to material, dynamic magnetic system is pushed away the demagnetization space of the magnetic system composition that demagnetizes into two by operation cylinder completely, field weakening in sorting space, the magnetic material being adsorbed on magnetic matrix comes off under self gravitation effect becomes magnetic product.
Claims (2)
1. a reciprocating permanent-magnetic high-field intensity magnetic filter machine, it is characterized in that: comprise dynamic magnetic system (1), the both ends of dynamic magnetic system (1) are located in frame (7) by cylinder I (4) and cylinder II (5), dynamic magnetic system (1) both sides are provided with symmetrical demagnetization magnetic system I (2) and demagnetization magnetic system II (3), demagnetization magnetic system I (2) and magnetic system II (3) of demagnetizing are parallel to each other on the retaining plate (6) being fixed on frame (7); Described dynamic magnetic system (1) comprises two pieces of magnetic systems end plate (8), it is fixed with parallel two block magnetic system's armour plate (9) between two pieces of magnetic systems end plate (8), end magnetic patch (10) is equipped with in the inner side of two pieces of magnetic systems end plate (8), the inner side of end magnetic patch (10) is T-shaped yoke (11), T-shaped yoke (11) is fixing by end magnetic patch (10) extruding, T-shaped yoke (11) inner side is magnetic patch (12) and the alternately arranged mutual extruding of cross yoke (13), the cavity that magnetic patch (12) and cross yoke (13) form is as sorting space, and sorting is filled with magnetic matrix in space; Armoured plate is equipped with in the upper and lower both sides of described dynamic magnetic system (1), armoured plate is equipped with in three sides upper and lower, outer of demagnetization magnetic system I (2) and demagnetization magnetic system II (3), the inner side of demagnetization magnetic system I (2) and demagnetization magnetic system II (3) is with extremely relative, and dynamic magnetic system (1) and magnetic system I (2) of demagnetizing, magnetic system II (3) of demagnetizing are different extremely relative.
2. reciprocating permanent-magnetic high-field intensity magnetic according to claim 1 filter machine, it is characterized in that: described demagnetization magnetic system I (2) and demagnetization magnetic system II (3) include two pieces of demagnetizations magnetic systems end plate (14), being fixed with parallel two piece demagnetization magnetic system armour plate (15) between two pieces of demagnetizations magnetic system end plate (14), demagnetization magnetic patch (16) and yoke (17) between two pieces of demagnetizations magnetic system end plate (14) are alternately arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410231566.5A CN104001617B (en) | 2014-05-29 | 2014-05-29 | Reciprocating permanent-magnet high-field-intensity magnetic filter |
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| CN201410231566.5A CN104001617B (en) | 2014-05-29 | 2014-05-29 | Reciprocating permanent-magnet high-field-intensity magnetic filter |
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| CN104001617A CN104001617A (en) | 2014-08-27 |
| CN104001617B true CN104001617B (en) | 2016-06-15 |
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| CN201410231566.5A Expired - Fee Related CN104001617B (en) | 2014-05-29 | 2014-05-29 | Reciprocating permanent-magnet high-field-intensity magnetic filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108962540A (en) * | 2018-07-17 | 2018-12-07 | 苏州德斯森电子有限公司 | A kind of demagnetizer |
Citations (6)
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| CN2808310Y (en) * | 2005-08-09 | 2006-08-23 | 徐明达 | Demagnetizable permanent magnet separator |
| CN200954461Y (en) * | 2006-09-06 | 2007-10-03 | 佛山市科信达奥斯博陶瓷技术有限公司 | Permanent-magnet type deironing machine |
| CN101306426A (en) * | 2008-06-20 | 2008-11-19 | 北京世纪地和科技有限公司 | Method for extracting iron washed ore from fly ash or slag |
| CN101474593A (en) * | 2009-02-02 | 2009-07-08 | 河南理工大学 | Permanent magnet high-field intensity magnetic filter |
| CN101877269A (en) * | 2009-11-27 | 2010-11-03 | 李钟平 | Bridge-type magnet capable of demagnetizing |
| CN203862378U (en) * | 2014-05-29 | 2014-10-08 | 中国地质科学院郑州矿产综合利用研究所 | Reciprocating permanent-magnet high-field-intensity magnetic filter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9309426D0 (en) * | 1993-05-07 | 1993-06-23 | Carpco Sms Ltd | Improvements in and relating to magnetic separators |
| JP2000005525A (en) * | 1998-06-25 | 2000-01-11 | Hitachi Ltd | Superconducting magnetic separator |
| JP4752221B2 (en) * | 2004-09-16 | 2011-08-17 | 横浜ゴム株式会社 | Demagnetizing method and apparatus |
-
2014
- 2014-05-29 CN CN201410231566.5A patent/CN104001617B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2808310Y (en) * | 2005-08-09 | 2006-08-23 | 徐明达 | Demagnetizable permanent magnet separator |
| CN200954461Y (en) * | 2006-09-06 | 2007-10-03 | 佛山市科信达奥斯博陶瓷技术有限公司 | Permanent-magnet type deironing machine |
| CN101306426A (en) * | 2008-06-20 | 2008-11-19 | 北京世纪地和科技有限公司 | Method for extracting iron washed ore from fly ash or slag |
| CN101474593A (en) * | 2009-02-02 | 2009-07-08 | 河南理工大学 | Permanent magnet high-field intensity magnetic filter |
| CN101877269A (en) * | 2009-11-27 | 2010-11-03 | 李钟平 | Bridge-type magnet capable of demagnetizing |
| CN203862378U (en) * | 2014-05-29 | 2014-10-08 | 中国地质科学院郑州矿产综合利用研究所 | Reciprocating permanent-magnet high-field-intensity magnetic filter |
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