CN103316762B - Reciprocating dry-type magnetic separator - Google Patents
Reciprocating dry-type magnetic separator Download PDFInfo
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- CN103316762B CN103316762B CN201310208700.5A CN201310208700A CN103316762B CN 103316762 B CN103316762 B CN 103316762B CN 201310208700 A CN201310208700 A CN 201310208700A CN 103316762 B CN103316762 B CN 103316762B
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 28
- 230000005291 magnetic effect Effects 0.000 claims abstract description 100
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 6
- 239000012141 concentrate Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 33
- 239000011707 mineral Substances 0.000 abstract description 33
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 210000004209 hair Anatomy 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
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- 230000009286 beneficial effect Effects 0.000 description 3
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- 239000011159 matrix material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 238000009776 industrial production Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides reciprocating dry-type magnetic separator, comprise superconducting magnet and the sorting mechanism of magnetic field lines diverge; Described sorting mechanism comprises the suction sheet of at least a slice horizontal reciprocating movement, and the magnetic line of force of described superconducting magnet is through suction sheet; Described suction sheet has at least part to depart from the field region of superconducting magnet in the horizontal direction; Described suction sheet is made up of nonmagnetic substance and is vertically arranged.Reciprocating dry-type magnetic extractor provided by the invention, structure is simple, and the magnetic line of force of superconducting magnet is through suction sheet, and suction sheet is separated setting with superconducting magnet, is convenient to the dismounting of suction sheet, is easy to maintenance; The magnetic field lines diverge of superconducting magnet, the magnetic mineral arrangement be attached on suction sheet is comparatively loose, is more conducive to being separated of non magnetic ore and magnetic mineral; Suction sheet is vertically arranged, and effectively can reduce the impact of raw ore to equipment, effectively reduce machine-spoiled rate, is extremely suitable for continuously a large amount of production.
Description
Technical field
The invention belongs to sorting mineral field, particularly a kind of reciprocating dry-type magnetic separator being suitable for large discharge dry powder ore deposit.
Background technology
Traditional wet magnetic separator due to equipment investment large, environmental pollution is serious, work under bad environment, the defects such as energy consumption, soil and water resource waste are surprising, gradually replace by dry-type magnetic extractor.The dry-type magnetic extractor of current domestic research and development is all core structure substantially, and for increasing work efficiency and magnetic separation effect, the structural design of machine own is comparatively complicated, takes up an area comparatively large, once mechanical disorder, repairs very not easily.Moreover, the mineral that existing dry-type magnetic selection apparatus is produced are compared with the product of wet process, and quality aspect still has gap.Be mainly manifested in for ferromagnetic mineral content lower such as lower than 10% time, in its concentrate sub-elected, ferromagnetic mineral content does not reach ironmaking requirement.
Application number be 96235088.5 patent application document disclose a kind of reciprocal casing permanent magnet separator, be made up of parts such as reciprocating drive mechanism, separation system and hydromagnetic magnetic systems.As the one of wet magnetic separator; body in this patent application inevitably has the shortcoming such as energy consumption, water resource waste that other wet magnetic separators have; simultaneously; due to reciprocating box load-bearing; and the intensity of magnetic matrix (magnetic stainless steel twill tooth plate, steel ball, expanded metal lath or steel wool bag) limits in reciprocating box; during for a large amount of industrial production; often there will be because reciprocating box need cause casing to damage in the impact of a large amount of raw ore, or caused the unfavorable situations such as wastage of material by impacting because of magnetic matrix.In addition, disclosed in above-mentioned patent application document, accompanying drawing and related text describe, in hydromagnetic magnetic system, the magnetic induction line passed in reciprocating box is not divergence form, although this kind of magnetic field is beneficial to magnetic mineral and builds up, but because magnetic induction line is comparatively intensive, be attached to after accumulation in the hair pin on magnetic matrix containing more impurity.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of structure simple, be suitable for the reciprocating dry-type magnetic extractor that industrial large discharge produces, ensure not easily equipment fault to occur and easy to maintenance, production process economize energy and concentrate purity is high.
The present invention is achieved through the following technical solutions:
Reciprocating dry-type magnetic separator, comprises superconducting magnet and the sorting mechanism of magnetic field lines diverge; Described sorting mechanism comprises the suction sheet of at least a slice horizontal reciprocating movement, and the magnetic line of force of described superconducting magnet is through suction sheet; Described suction sheet has at least part to depart from the field region of superconducting magnet in the horizontal direction; Described suction sheet is made up of nonmagnetic substance and is vertically arranged.
Above-mentioned reciprocating dry-type magnetic separator, described suction sheet is divided into left and right by vertical imaginary center line; Left of described suction sheet and right reciprocating motion with suction sheet alternately enter the field region of superconducting magnet.
Above-mentioned reciprocating dry-type magnetic separator, described suction sheet is more than two panels or two panels; Described two panels or the stacked and justified margin of the above suction sheet of two panels, and have gap between adjacent suction sheet.
Above-mentioned reciprocating dry-type magnetic separator, the imaginary midline of described suction sheet is provided with left and the right demarcation strip separated.
Above-mentioned reciprocating dry-type magnetic separator, also comprise enclosing, described enclosing top is provided with charging aperture, and described charging aperture is just to the field region of superconducting magnet, enclosing bottom is provided with the non magnetic ore discharging opening corresponding with gating location, and non magnetic ore discharging opening both sides are provided with concentrate outlet; Have the suction sheet corresponding with described suction sheet in the middle part of enclosing to import and export.
Above-mentioned reciprocating dry-type magnetic separator, also comprises the vibrator making suction sheet produce vibrations.
Above-mentioned reciprocating dry-type magnetic separator, also comprises the blower system making wind blow over suction sheet surface.
Above-mentioned reciprocating dry-type magnetic separator, is also provided with screen cloth in charging aperture, disperseing to fall, obtaining better separating effect for making raw ore.
Above-mentioned reciprocating dry-type magnetic separator, the sidewall of described non magnetic ore discharging opening is from top to bottom to the skew wall of non magnetic ore discharging opening outer incline.
The invention has the beneficial effects as follows:
1, structure is simple, and the magnetic line of force of superconducting magnet is through suction sheet, and suction sheet is separated setting with superconducting magnet, is convenient to the dismounting of suction sheet, is easy to maintenance;
2, the magnetic field lines diverge of superconducting magnet, the magnetic mineral arrangement be attached on suction sheet is comparatively loose, is more conducive to being separated of non magnetic ore and magnetic mineral;
3, suction sheet is vertically arranged, and effectively can reduce the impact of raw ore to equipment, effectively reduce machine-spoiled rate.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the reciprocating dry-type magnetic separator of the present invention.
Fig. 2 is the structural representation of suction sheet of the present invention.
In above-mentioned accompanying drawing, 1, superconducting magnet; 2, suction sheet; 3, enclosing; 4, screen cloth; 5, gathering-device; 20, imaginary center line; 21, left; 22, right; 23, demarcation strip; 31, charging aperture; 32, non magnetic ore discharging opening; 33 concentrate outlets; 34, suction sheet is imported and exported.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the invention provides a kind of reciprocating dry-type magnetic separator, comprise superconducting magnet 1 and the sorting mechanism of magnetic field lines diverge; Superconducting magnet 1 forms the magnetic line of force dispersed at two ends, and arranges the flat board (separator plate) that multilayer can penetrate the magnetic line of force at biend place; Sorting mechanism comprises the suction sheet 2 of at least a slice horizontal reciprocating movement, between the suction sheet 2 for being connected time multiple, have gap; The magnetic line of force of superconducting magnet 1 one magnetic end face is through suction sheet 2; Suction sheet 2 place magnetic field intensity is more than 0.1T, for obtaining better production effect, being preferably field intensity and being greater than more than 0.2T.Suction sheet 2 has at least part to depart from the field region of superconducting magnet 1 in the horizontal direction; Suction sheet 2 adopts corrosion resistant plate, and the nonmagnetic substances such as epoxy resin bonded fiber, plastic plate, poly (methyl methacrylate) plate or ceramic wafer are made and vertically arrange.Raw ore to be selected is through suction sheet 2 front, and the magnetic mineral particles such as iron are wherein attached on suction sheet 2 under the influence of a magnetic field, and absorption is accumulated into magnetic hair pin one by one mutually, and suction sheet 2 forms the texture corresponding with magnetic line of force shape; Non magnetic ore particle then directly falls and is recovered process, thus realizes being separated of magnetic mineral and non magnetic ore.Due to the magnetic field lines diverge of superconducting magnet 1, the magnetic hair pin formed when magnetic mineral particles just can be made to be attached on suction sheet 2 is consistent with magnetic line of force direction thus become between magnetic hair pin and have gap, become more loose, make non magnetic ore can through the gap magnetic hair pin, be beneficial to being separated of non magnetic ore and magnetic mineral.Suction sheet 2 is more than two panels or two panels; Multi-disc suction sheet 2 overlaps and has gap between adjacent suction sheet 2.The setting of multi-disc suction sheet 2, can avoid magnetic mineral to pile up in a large number on a certain suction sheet 2, be conducive to the operating pressure alleviating monolithic suction sheet 2, reduces the fault rate of equipment.
As shown in Figure 2, suction sheet 2 is divided into left 21 and right 22 by vertical imaginary center line 20; Left 21 of suction sheet 2 and right 22 reciprocating motion with suction sheet 2 alternately enter the field region of superconducting magnet 1.The reciprocating motion of suction sheet 2 comprises left side translation and right side translation, and when suction sheet 2 moves horizontally to the left, left 21 is shifted out field region thereupon, and meanwhile, right 22 moves into field region; The process that suction sheet 2 moves horizontally to the right then in contrast.Meanwhile, imaginary center line 20 place of suction sheet 2 is provided with left 21 and right 22 demarcation strip 23 separated.The existence of demarcation strip 23, can prevent magnetic mineral from suction sheet 2 moving process, producing relative sliding with suction sheet 2 and affect concentrate output.
Enclosing 3 is also comprised in Fig. 2, enclosing 3 top is provided with charging aperture 31, charging aperture 31 is just to the field region of superconducting magnet 1, screen cloth 4 is also provided with in charging aperture 31, screen cloth 4 is preferably reciprocating screen cloth, and the effect of screen cloth, except can sieving out larger mineral grain, most importantly can also control inlet amount and make feed particles be dispersion and evenly fall, the stable formation and the non-magnetic particle that are conducive to magnetic hair pin fall from hair pin gap, are conducive to promoting separating effect.The setting of enclosing 3 can effectively prevent mineral from splashing, and provides good working environment to operating personnel.Enclosing 3 bottom is provided with the non magnetic ore discharging opening 32 corresponding with charging aperture 31 position, and non magnetic ore discharging opening 32 both sides are provided with concentrate outlet 33; Also have suction sheet in the middle part of enclosing 3 and import and export 34, be convenient to suction sheet 2 horizontal reciprocating and move.The sidewall of non magnetic ore discharging opening 32 is from top to bottom to the skew wall of non magnetic ore discharging opening 32 outer incline.The raw ore to be selected of charging aperture 31 enters the field region of superconducting magnet 1 from charging aperture 31, after being sorted wherein, the magnetic mineral in raw ore to be adsorbed on suction sheet 2 and by suction sheet 2 by suction sheet import and export 34 take field region out of after fall into the concentrate being positioned at non magnetic ore discharging opening 32 both sides and export 33.When magnetic mineral is driven disengaging field region by suction sheet 2, drop under gravity on the sidewall of non magnetic ore discharging opening 32, and slip into concentrate outlet 33 along sidewall.The sidewall of non magnetic ore discharging opening 32 is set to skew wall, plays partial buffer effect first, reduces the impulsive force of magnetic mineral to the gathering-device below concentrate outlet 33; Second the non magnetic ore after being separated can be avoided again to mix with concentrate product and to cause the unfavorable situations such as concentrate product purity is inadequate.
Reciprocating dry-type magnetic separator provided by the invention also comprises suction sheet and produces the vibrator (not shown) of vibrations or make wind blow over the blower system (not shown) on suction sheet surface.Vibrator or blower system can be fixedly installed on enclosing 3, also Special stand can be installed on, its effect has two: 1, reduces dust particle etc. was blocked and then fell into magnetic mineral concentrate outlet possibility by the hair pin that magnetic mineral is formed, contributes to the purity improving product concentrate; 2, much more as far as possible the magnetic mineral be adsorbed in after making disengaging magnetic field on suction sheet 2 falls, and can prevent from suction sheet 2 adhering to too much magnetic mineral and affecting production.
When using reciprocating dry-type magnetic extractor work of the present invention, first original ore powder to be selected is broken to 100-150 order size, suction sheet 2 keeps horizontal reciprocating to move under the driving of dynamical system (such as with the transmission mechanism of eccentric drive wheel), raw ore to be selected evenly falls into the field region of superconducting magnet 1 and makes magnetic mineral wherein be attached to suction sheet 2 surface formation magnetic hair pin under the influence of a magnetic field under the effect of reciprocating screen cloth, in this process, vibrator makes suction sheet 2 generation vibrations or blower system wind-force be blown over the surface of suction sheet 2, thus the namagnetic substance (such as dust particle etc.) by hair pin blocks is fallen, the doping of namagnetic substance in magnetic mineral, improve concentrate purity.Along with moving back and forth of suction sheet 2, fall after the magnetic mineral being attached to suction sheet 2 surface shifts out the field region of superconducting magnet 1, on the sidewall of non magnetic ore discharging opening 32, and slip into concentrate outlet 33 along sidewall.Left 21 of suction sheet 2 by the suction sheet on the left of enclosing 3 import and export 34 shift out field region time, the magnetic mineral be attached on left 21 falls; Meanwhile, import and export 34 by the suction sheet on the right side of enclosing 3 for right 22 and move into field region, the magnetisable material in mineral to be selected is adsorbed in right 22 surface under the influence of a magnetic field.Right 22 of suction sheet 2 by the suction sheet on the right side of enclosing 3 import and export 34 shift out field region time, the magnetic mineral be attached on right 22 falls; Carry simultaneously, import and export 34 by the suction sheet on the left of enclosing 3 for left 21 and move into field region, the magnetisable material in mineral to be selected is adsorbed in left 21 surface under the influence of a magnetic field.Adopt reciprocating dry-type magnetic separator provided by the invention, produce the gathering-device 5 that the mine tailings such as non magnetic ore are arranged at below non magnetic ore discharging opening 32 and collect, concentrate is then collected by the gathering-device 5 of concentrate outlet below.In the present embodiment, gathering-device 5 is feed belt.Use magnetic separator of the present invention to realize continuous seepage according to said process, substantially increase operating efficiency.
Reciprocating dry-type magnetic extractor provided by the invention, structure is simple, and the magnetic line of force of superconducting magnet is through suction sheet, and suction sheet is separated setting with superconducting magnet, is convenient to the dismounting of suction sheet, is easy to maintenance; , superconducting magnet magnetic field lines diverge, the magnetic mineral arrangement be attached on suction sheet is comparatively loose, is more conducive to being separated of non magnetic ore and magnetic mineral; Suction sheet is vertically arranged, and effectively can reduce the impact of raw ore to equipment, effectively reduce machine-spoiled rate, is extremely suitable for continuously a large amount of production.
Dry-type magnetic separator provided by the invention is used to carry out iron ore sorting, can by the raw ore refining of iron content about 5% to iron content more than 65%, can as iron-smelting raw material.In addition, the present invention also can be used for kaolin removal ferrous contaminants.
Above-described embodiment is only for the invention example is clearly described, and the restriction not to the invention detailed description of the invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description, exhaustive without the need to also giving all embodiments here.And thus the apparent change of amplifying out or variation be still among the protection domain of the invention claim.
Claims (6)
1. reciprocating dry-type magnetic separator, is characterized in that, comprises superconducting magnet (1) and the sorting mechanism of magnetic field lines diverge; Described sorting mechanism comprises the suction sheet (2) of at least a slice horizontal reciprocating movement, and the magnetic line of force of described superconducting magnet (1) is through suction sheet (2); Described suction sheet (2) has at least part to depart from the field region of superconducting magnet (1) in the horizontal direction; Described suction sheet (2) is made up of nonmagnetic substance and is vertically arranged;
Described suction sheet (2) is divided into left (21) and right (22) by vertical imaginary center line (20); Left (21) and right (22) of described suction sheet (2) alternately enter the field region of superconducting magnet (1) with the reciprocating motion of suction sheet (2);
Described suction sheet (2) is for more than two panels or two panels; Described two panels or the stacked and justified margin of the above suction sheet of two panels (2), and have gap between adjacent suction sheet (2);
Also comprise enclosing (3), described enclosing (3) top is provided with charging aperture (31), described charging aperture (31) is just to the field region of superconducting magnet (1), enclosing (3) bottom is provided with the non magnetic ore discharging opening (32) corresponding with charging aperture (31) position, and non magnetic ore discharging opening (32) both sides are provided with concentrate outlet (33); Enclosing (3) middle part has the suction sheet corresponding with described suction sheet (2) and imports and exports (34).
2. reciprocating dry-type magnetic separator according to claim 1, is characterized in that, imaginary center line (20) place of described suction sheet (2) is provided with the demarcation strip (23) left (21) and right (22) separated.
3. reciprocating dry-type magnetic separator according to claim 1, is characterized in that, also comprises the vibrator making suction sheet (2) produce vibrations.
4. reciprocating dry-type magnetic separator according to claim 1, is characterized in that, also comprises the blower system making wind blow over suction sheet (2) surface.
5. reciprocating dry-type magnetic separator according to claim 1, is characterized in that, charging aperture (31) inside is also provided with screen cloth (5).
6. reciprocating dry-type magnetic separator according to claim 1, is characterized in that, the sidewall of described non magnetic ore discharging opening (32) is from top to bottom to the skew wall of non magnetic ore discharging opening outer incline.
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| CN201310208700.5A CN103316762B (en) | 2013-05-30 | 2013-05-30 | Reciprocating dry-type magnetic separator |
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| CN201310208700.5A CN103316762B (en) | 2013-05-30 | 2013-05-30 | Reciprocating dry-type magnetic separator |
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| CN103316762A CN103316762A (en) | 2013-09-25 |
| CN103316762B true CN103316762B (en) | 2016-04-06 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104128254A (en) * | 2014-08-01 | 2014-11-05 | 江苏旌凯中科超导高技术有限公司 | Dry type superconducting magnet separator with small influence on external magnetic property |
| CN104138800A (en) * | 2014-08-01 | 2014-11-12 | 江苏旌凯中科超导高技术有限公司 | Dry type superconducting magnet separation machine |
| CN104549713B (en) * | 2015-01-13 | 2017-04-19 | 辽宁科技大学 | Simple and efficient magnetic separation method for low-grade iron minerals |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0339031B1 (en) * | 1986-12-19 | 1994-07-13 | Carpco SMS Limited | Magnetic separators |
| CN101837321A (en) * | 2010-04-30 | 2010-09-22 | 王小军 | Red mud superconducting high-gradient magnetic separator |
| CN102652926A (en) * | 2012-04-26 | 2012-09-05 | 江苏旌凯中科超导高技术有限公司 | Gradient-opening superconductivity magnetic separation equipment |
| CN202538921U (en) * | 2012-04-26 | 2012-11-21 | 江苏旌凯中科超导高技术有限公司 | Dry turntable high-gradient superconducting magnet separation device |
| CN203291953U (en) * | 2013-05-30 | 2013-11-20 | 江苏旌凯中科超导高技术有限公司 | Reciprocating type dry magnetic sorting machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5952509A (en) * | 1982-09-17 | 1984-03-27 | Nec Corp | Magnetic separation apparatus |
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2013
- 2013-05-30 CN CN201310208700.5A patent/CN103316762B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0339031B1 (en) * | 1986-12-19 | 1994-07-13 | Carpco SMS Limited | Magnetic separators |
| CN101837321A (en) * | 2010-04-30 | 2010-09-22 | 王小军 | Red mud superconducting high-gradient magnetic separator |
| CN102652926A (en) * | 2012-04-26 | 2012-09-05 | 江苏旌凯中科超导高技术有限公司 | Gradient-opening superconductivity magnetic separation equipment |
| CN202538921U (en) * | 2012-04-26 | 2012-11-21 | 江苏旌凯中科超导高技术有限公司 | Dry turntable high-gradient superconducting magnet separation device |
| CN203291953U (en) * | 2013-05-30 | 2013-11-20 | 江苏旌凯中科超导高技术有限公司 | Reciprocating type dry magnetic sorting machine |
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