CN102029224B - Magnetic system structure for cylindrical permanent magnetic separator - Google Patents
Magnetic system structure for cylindrical permanent magnetic separator Download PDFInfo
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- CN102029224B CN102029224B CN 200910307763 CN200910307763A CN102029224B CN 102029224 B CN102029224 B CN 102029224B CN 200910307763 CN200910307763 CN 200910307763 CN 200910307763 A CN200910307763 A CN 200910307763A CN 102029224 B CN102029224 B CN 102029224B
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Abstract
The invention discloses a magnetic system structure for a cylindrical permanent magnetic separator, which is an arc-shaped magnet combined by a plurality of primary magnetic blocks, a plurality of secondary magnetic blocks, and an plurality of auxiliary magnetic block which are in homopolar arrangement, wherein the primary magnetic blocks and the secondary magnetic blocks are arranged alternately along the axial direction of the arc-shaped magnet, the polarities of magnetic poles alternate along the axial direction of the arc-shaped magnet, the primary magnetic blocks and the auxiliary magnetic blocks are arranged alternately along the circumferential direction of the arc-shaped magnet, the polarities of magnetic poles alternate along the circumferential direction of the arc-shaped magnet, all the magnetic blocks are paired in a closely magnetic gathering way, magnetic conductive matters are stuffed among the magnetic blocks, and the primary magnetic blocks, the secondary magnetic blocks and auxiliary magnetic blocks all together form the high-field strength magnetic system structure which has a magnetic loop and, moreover, the polarities of the magnetic poles of the formed magnetic system structure alternate along circumferential and axial directions. The magnetic system structure has high magnetic field strength which is not less than 1.4T on a wider magnetic pole face (8mm); in addition, the magnetic system structure has wide strong magnetic action face, large gradient, good absorption to large granular minerals and very obvious separation effect on minerals with weak and medium magnetism.
Description
[technical field]
The present invention relates to the magnetic architecture of a kind of member of metalliferous mineral magnetic plant, particularly a kind of cylinder permanent-magnet magnetic separator.
[background technology]
At present domestic permanent-magnet chamber type selects the magnetic cylinder surface electric field intensity of machine in the situation that extremely widely can only reach 0.9T less than 6mm is the highest, and sorting of the thin ore deposit of weak magnetic and middle magnetic lump ore all do not reached ideal effect.Wet-type permanent magnet drum type magnetic separator field particularly, owing to being subjected to the restriction of magnetic cylinder surface electric field intensity, limited greatly the range of application of cylinder machine, the wide pole-face high field intensity of market in urgent need magnetic cylinder occurs, thereby a kind of New Magnetic Field Controlled architecture that is applicable to cylinder permanent-magnet magnetic separator becomes the technical barrier that current urgent need solves.
[summary of the invention]
The technical problem to be solved in the present invention is: provide a kind of magnetic field intensity high, strong magnetic action face width, the magnetic architecture of a kind of cylinder permanent-magnet magnetic separator that magnetic gradient is large, the deficiency that exists to overcome above-mentioned prior art.
Address the above problem technical scheme be: a kind of magnetic architecture of cylinder permanent-magnet magnetic separator, by polylith master magnetic patch, the circular-arc magnet that secondary magnetic patch becomes with auxiliary magnetic patch three homopolarity permutation and combination, described main magnetic patch and secondary magnetic patch are along the axial direction alternative arrangement of circular-arc magnet, pole polarity is along the axial direction alternation of circular arc, described main magnetic patch and auxiliary magnetic patch are along the circumferencial direction alternative arrangement of circular-arc magnet, its pole polarity is along the circumferencial direction alternation of circular arc, adopt closely poly-magnetic pairing between each magnetic patch, middle with non-magnetic material filling, main magnetic patch, secondary magnetic patch and auxiliary magnetic patch jointly form its pole polarity along the high field intensity of circumference and axial direction alternation and the magnetic architecture of magnetic loop are arranged.
Its further technical scheme is: described main magnetic patch has m * n piece, secondary magnetic patch has the piece of m * (n+1), auxiliary magnetic patch has (m+1) * n piece, main magnetic patch and secondary magnetic patch along the axial direction alternative arrangement of circular-arc magnet are combined into a kind of magnetic architecture body I that is made of secondary magnetic patch-main magnetic patch-secondary magnetic patch close-packed arrays, in the circular-arc magnet with this magnetic architecture body I formation, pole orientation at the axial direction two piece main magnetic patch Bs adjacent with circumferencial direction all is mutually opposite, pole orientation at the axial direction secondary magnetic patch A adjacent with circumferencial direction also is mutually opposite, and auxiliary magnetic patch is installed between the two row magnetic architecture body I, the place, two ends of the main magnetic patch of secondary magnetic patch-main magnetic patch-secondary magnetic patch assembly; Centered by the main magnetic patch B of 1 magnetic architecture body I of certain row, add that the two piece auxiliary magnetic patch Cs adjacent with main magnetic patch B consist of along the magnetic architecture body II that axially is combined to form for the auxiliary magnetic patch C of auxiliary magnetic patch C-master magnetic patch B-for the secondary magnetic patch A combination of secondary magnetic patch A-master magnetic patch B-, along the circumferencial direction of circular-arc magnet of circular-arc magnet and to form magnetic be the loop; Above main magnetic patch B, produce the strong E in highfield; Non-magnetic material is filled in the position, space in the magnetic system, and the span of m, n is: the integer of the integer of 2≤m≤100,2≤n≤500.
Described main magnetic patch is the identical square magnet steel of size shape, and described secondary magnetic patch is and the square magnet steel that size shape is identical, thickness is different of main magnetic patch that the inside and outside installed surface of main magnetic patch and secondary magnetic patch is with circular arc R; Auxiliary magnetic patch is the identical triangle magnet steel of size shape, and its outer installed surface is with circular arc; Described secondary magnetic patch A is identical with the magnetizing direction of auxiliary magnetic patch C, all along the circumferencial direction of circular-arc magnet; The magnetizing direction of described main magnetic patch B is along the radial direction of circular-arc magnet.
The magnetic architecture of the present invention's cylinder permanent-magnet magnetic separator has following beneficial effect:
1, high, the strong magnetic action face width of magnetic field intensity, magnetic gradient is large, and the bulky grain mineral are had fine absorption affinity:
The present invention adopts high trade mark rare-earth Nd-Fe-B permanent magnetic material to make main magnetic patch B, secondary magnetic patch A and auxiliary magnetic patch C, and carry out different directions magnetize (referring to accompanying drawing 6～8), three kinds of magnetic patch homopolarity permutation and combination become a circular-arc magnet, main magnetic patch B and secondary magnetic patch A are combined into a kind of magnetic architecture body I that is made of the secondary magnetic patch close-packed arrays of secondary magnetic patch master magnetic patch along the axial direction alternative arrangement of circular-arc magnet, pole polarity is along the axis direction alternation of circumference, main magnetic patch and auxiliary magnetic patch are along the circumferencial direction alternative arrangement of circular-arc magnet, its pole polarity is along the circumferencial direction alternation of circular arc, main magnetic patch, secondary magnetic patch and auxiliary magnetic patch jointly form its pole polarity along the high field intensity of circumference and axial direction alternation and the magnetic architecture of magnetic loop are arranged, utilize the principle of magnetic pole homopolar-repulsion, by main magnetic patch B, secondary magnetic patch A and three kinds of magnetic patch of auxiliary magnetic patch C are combined into a kind of
Magnetic architecture body II, above magnetic patch B
Produce the strong E in highfield, when using 50M type magnetic material magnetic field intensity can reach 1.3～1.4T, cylinder face magnetic field intensity can reach 1.0～1.1T, main magnetic patch B surface area account for whole circular-arc magnet surface area 10～20%, thereby high, the strong magnetic action face width of magnetic field intensity grab greatly the magnetic pole strength of wider (8mm) obtain higher field intensity (〉=1.4T), the bulky grain mineral there is fine absorption affinity, so magnetic is centering weakly magnetic mineral material fairly obvious separating effect is arranged also.
2, easy to use, strong adaptability: the magnetic architecture of the present invention's cylinder permanent-magnet magnetic separator adopts m * n piece master magnetic patch, m * (n+1) the secondary magnetic patch of piece, the auxiliary magnetic patch of (m+1) * n piece are combined into a circular-arc magnet, can be as required, select arbitrarily different m and the numerical value of n, form arc angle difference and any one different circular-arc magnet of length, to satisfy the needs of different cylinder permanent-magnet magnetic separators.
Be described further below in conjunction with the technical characterictic of drawings and Examples to the magnetic architecture of the present invention's cylinder permanent-magnet magnetic separator.
[description of drawings]
Fig. 1～Fig. 5: the magnetic architecture schematic diagram of the present invention's cylinder permanent-magnet magnetic separator:
Fig. 1: the axial cutaway view of circular-arc magnet (P-P of Fig. 3 analyses and observe),
Fig. 2: (part) figure is analysed and observe in overlooking of circular-arc magnet,
Fig. 3: the radial cross-section of circular-arc magnet,
The M section partial enlarged drawing of Fig. 4: Fig. 1,
The N section partial enlarged drawing of Fig. 5: Fig. 2;
Fig. 6: the combining form schematic diagram of magnetic architecture body I;
Fig. 7: the combining form schematic diagram of magnetic architecture body II;
Fig. 8～Figure 10: the shape of secondary magnetic patch, main magnetic patch and auxiliary magnetic patch and magnetic pole magnetizing direction schematic diagram:
Fig. 8: the shape of secondary magnetic patch and pole orientation,
Fig. 9: the shape of main magnetic patch and pole orientation,
Figure 10: shape and the pole orientation of auxiliary magnetic patch.
Among the figure: the secondary magnetic patch of A-, B-master's magnetic patch, C-assists magnetic patch, the non-magnetic material of D-.
[specific embodiment]
A kind of cylinder permanent-magnet magnetic separator magnetic architecture, by the secondary magnetic patch A of polylith, main magnetic patch B and auxiliary magnetic patch C are combined into a circular-arc magnet (referring to Fig. 3), described main magnetic patch B and secondary magnetic patch A are along the axial direction alternative arrangement of circular-arc magnet, be combined into a kind of magnetic architecture body I that is consisted of by the secondary magnetic patch A of secondary magnetic patch A-master magnetic patch B-close-packed arrays, in the circular-arc magnet with this magnetic architecture body I formation, pole orientation at the axial direction two piece main magnetic patch Bs adjacent with circumferencial direction all is mutually opposite, pole orientation at the axial direction secondary magnetic patch A adjacent with circumferencial direction also is mutually opposite (referring to Fig. 1, Fig. 4, Fig. 6), auxiliary magnetic patch C is installed between the two row magnetic architecture body I, the place, two ends of the main magnetic patch B of the secondary magnetic patch A of secondary magnetic patch A-master magnetic patch B-assembly is (referring to Fig. 1, Fig. 3, Fig. 5);
Centered by the main magnetic patch B of 1 magnetic architecture body I of certain row, add the two piece auxiliary magnetic patch Cs adjacent with main magnetic patch B consist of along circular-arc magnet axially for the secondary magnetic patch A combination of secondary magnetic patch A-master magnetic patch B-, be combined to form for the auxiliary magnetic patch C of auxiliary magnetic patch C-master magnetic patch B-along the circumferencial direction of circular-arc magnet
Magnetic architecture body II and to form magnetic be the loop; Above main magnetic patch B, produce
Give birth to the strong E in highfield (referring to Fig. 1, Fig. 7), polylith master magnetic patch B, secondary magnetic patch A and auxiliary magnetic patch C jointly form its pole polarity along the high field intensity of circumference and axial direction alternation and the magnetic architecture of magnetic loop are arranged.
Described secondary magnetic patch A is the identical square magnet steel of size shape (referring to Fig. 1, Fig. 8), described main magnetic patch B is and the square magnet steel that size shape is identical, thickness is different (referring to Fig. 1, Fig. 9) of secondary magnetic patch A that the inside and outside installed surface of secondary magnetic patch A and main magnetic patch B is with circular arc R (referring to Fig. 3, Fig. 8, Fig. 9); Auxiliary magnetic patch C is the identical triangle magnet steel of size shape, and its outer installed surface is with circular arc R (referring to Fig. 3, Figure 10), and described secondary magnetic patch A is identical with the magnetizing direction of auxiliary magnetic patch C, all along the circumferencial direction of circular-arc magnet; The magnetizing direction of described main magnetic patch B is along the radial direction (referring to Fig. 8, Fig. 9, Figure 10) of circular-arc magnet.
In the present embodiment, the secondary magnetic patch A that forms the present invention's cylinder permanent-magnet magnetic separator magnetic architecture have 10 * 14, main magnetic patch B have 10 * 13, auxiliary magnetic patch C have 9 * 13, all adopt rare-earth Nd-Fe-B permanent magnetic material to make.
A kind of conversion as the embodiment of the invention, the piece number of described main magnetic patch B, secondary magnetic patch A, auxiliary magnetic patch C also can be decided as required, general main magnetic patch has m * n piece, secondary magnetic patch to have the piece of m * (n+1), auxiliary magnetic patch that (m+1) * n piece is arranged, the magnetic architecture body I that forms has m * n, and magnetic architecture body II has m * n.
Above-mentioned m is the line number that main magnetic patch B arranges in the circumferential direction of the circle, n is the piece number that main magnetic patch B arranges vertically, the span of m is decided according to the arc angle of circular-arc magnet and the width of magnetic patch, the span of n is according to the thickness (that is: the tube length of cylinder permanent-magnet magnetic separator is decided) according to circular-arc magnet, generally, the span of m, n is: 2≤m≤100,2≤n≤500.
Claims (4)
1. the magnetic architecture of a cylinder permanent-magnet magnetic separator, it is characterized in that: this magnetic architecture is by a plurality of main magnetic patch, the circular-arc magnet that secondary magnetic patch becomes with auxiliary magnetic patch three homopolarity permutation and combination, described main magnetic patch and secondary magnetic patch are along the axial direction alternative arrangement of circular-arc magnet, pole polarity is along the axial direction alternation of circular arc, described main magnetic patch and auxiliary magnetic patch are along the circumferencial direction alternative arrangement of circular-arc magnet, its pole polarity is along the circumferencial direction alternation of circular arc, adopt closely poly-magnetic pairing between each magnetic patch, middle with non-magnetic material filling, main magnetic patch, secondary magnetic patch and auxiliary magnetic patch jointly form its pole polarity along the high field intensity of circumference and axial direction alternation and the magnetic architecture of magnetic loop are arranged;
Described main magnetic patch has m * n piece, secondary magnetic patch to have the piece of m * (n+1), auxiliary magnetic patch that (m+1) * n piece is arranged, along circular-arc magnet
The main magnetic patch of axial direction alternative arrangement and secondary magnetic patch be combined into a kind of magnetic architecture body I that is consisted of by the secondary magnetic patch close-packed arrays of secondary magnetic patch master magnetic patch, in the circular-arc magnet with this magnetic architecture body I formation, pole orientation at the axial direction two piece main magnetic patch adjacent with circumferencial direction all is mutually opposite, pole orientation at the axial direction secondary magnetic patch adjacent with circumferencial direction also is mutually opposite, auxiliary magnetic patch is installed in the middle place of the secondary magnetic patch assembly of secondary magnetic patch master magnetic patch of two row magnetic architecture body I, centered by the main magnetic patch of 1 magnetic architecture body I of certain row, add that the two piece auxiliary magnetic patch adjacent with main magnetic patch consist of and axially be the secondary magnetic patch combination of secondary magnetic patch master magnetic patch along circular-arc magnet, the magnetic architecture body II that is combined to form for the auxiliary magnetic patch of auxiliary magnetic patch master magnetic patch along the circumferencial direction of circular-arc magnet and to form magnetic be the loop; Above main magnetic patch, produce the strong E in highfield; Non-magnetic material is filled in the position, space in the magnetic system, and the span of m, n is: the integer of the integer of 2≤m≤100,2≤n≤500.
2. the magnetic architecture of cylinder permanent-magnet magnetic separator according to claim 1, it is characterized in that: described main magnetic patch is the identical square magnet steel of size shape, described secondary magnetic patch is and the square magnet steel that size shape is identical, thickness is different of main magnetic patch that the inside and outside installed surface of main magnetic patch and secondary magnetic patch is with circular arc R; Auxiliary magnetic patch be the identical triangle magnet steel of size shape, its outer installed surface with circular arc, described secondary magnetic patch A is identical with the magnetizing direction of auxiliary magnetic patch C, all along the circumferencial direction of circular-arc magnet; The magnetizing direction of described main magnetic patch B is along the radial direction of circular-arc magnet.
3. the magnetic architecture of cylinder permanent-magnet magnetic separator according to claim 2 is characterized in that: described main magnetic patch, secondary magnetic patch, auxiliary magnetic patch adopt rare-earth Nd-Fe-B permanent magnetic material to make.
4. the magnetic architecture of cylinder permanent-magnet magnetic separator according to claim 2 is characterized in that: described main magnetic patch surface area account for the combination of whole circular-arc magnet magnetic surface area 10～20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910307763 CN102029224B (en) | 2009-09-25 | 2009-09-25 | Magnetic system structure for cylindrical permanent magnetic separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910307763 CN102029224B (en) | 2009-09-25 | 2009-09-25 | Magnetic system structure for cylindrical permanent magnetic separator |
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| Publication Number | Publication Date |
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| CN102029224A CN102029224A (en) | 2011-04-27 |
| CN102029224B true CN102029224B (en) | 2013-02-13 |
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| CN 200910307763 Expired - Fee Related CN102029224B (en) | 2009-09-25 | 2009-09-25 | Magnetic system structure for cylindrical permanent magnetic separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104001618B (en) * | 2014-05-29 | 2016-11-23 | 中国地质科学院郑州矿产综合利用研究所 | Permanent magnet high-field-intensity magnetic system |
| CN106111318B (en) * | 2016-07-05 | 2017-10-03 | 河南理工大学 | A kind of strongly magnetic mineral is classified fluidization weak magnetic screening device |
| CN113102096A (en) * | 2021-04-15 | 2021-07-13 | 孚能科技(赣州)股份有限公司 | Remove magnetic assembly, remove magnetic device and lithium ion battery production system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166890Y (en) * | 1993-05-21 | 1994-06-01 | 李金柱 | Vertical machine for removing iron from fine powder material |
| CN1281753A (en) * | 1999-07-27 | 2001-01-31 | 冶金工业部长沙矿冶研究院 | Magnet of cylindrical permanent magnetic separator |
| CN1288799A (en) * | 1999-09-16 | 2001-03-28 | 住友特殊金属株式会社 | Method and apparatus for grinding magnetic components and method and apparatus for treatment of waste liquid |
| CN201579111U (en) * | 2009-09-25 | 2010-09-15 | 广西远健选矿工程技术研究院 | Magnetic system structure of drum type permanent magnet magnetic separator |
-
2009
- 2009-09-25 CN CN 200910307763 patent/CN102029224B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166890Y (en) * | 1993-05-21 | 1994-06-01 | 李金柱 | Vertical machine for removing iron from fine powder material |
| CN1281753A (en) * | 1999-07-27 | 2001-01-31 | 冶金工业部长沙矿冶研究院 | Magnet of cylindrical permanent magnetic separator |
| CN1288799A (en) * | 1999-09-16 | 2001-03-28 | 住友特殊金属株式会社 | Method and apparatus for grinding magnetic components and method and apparatus for treatment of waste liquid |
| CN201579111U (en) * | 2009-09-25 | 2010-09-15 | 广西远健选矿工程技术研究院 | Magnetic system structure of drum type permanent magnet magnetic separator |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2001-150344A 2001.06.05 |
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