CN103831177B - Magnetic force interferes heavy medium cyclone - Google Patents
Magnetic force interferes heavy medium cyclone Download PDFInfo
- Publication number
- CN103831177B CN103831177B CN201410085424.2A CN201410085424A CN103831177B CN 103831177 B CN103831177 B CN 103831177B CN 201410085424 A CN201410085424 A CN 201410085424A CN 103831177 B CN103831177 B CN 103831177B
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- Prior art keywords
- cyclone
- magnetic pole
- central tube
- cylinder
- exciting coil
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012216 screening Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 229920005479 Lucite® Polymers 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
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- Cyclones (AREA)
Abstract
A kind of dense medium cyclone flow point screening device, is applicable to the sorting of the non magnetic ores such as coarse slime.It comprises cyclone cylinder, is located at the cyclone cone of cyclone cylinder lower end, cyclone cylinder top is provided with cyclone feeding pipe, the cyclone central tube stretched into wherein is provided with in cyclone cylinder, cyclone central tube revealed section is provided with internal magnetic pole magnet exciting coil, cyclone cylinder lower periphery is provided with outer magnetic pole group, outer magnetic pole group is made up of multiple electromagnet, and the outer magnetic pole magnet exciting coil of each electromagnet is cascaded, common loading exciting current <i>I
1</i>, internal magnetic pole magnet exciting coil loading current <i>I
2</i>; Electromagnet near the side magnetic polarity of cyclone cylinder and the magnetic polarity of cyclone central tube lower end different.Cyclone eddy flow district Distribution of Magnetic Field is controlled by adjusting inside and outside double control electromagnetic polar curve loop current, magnetic force interference is carried out to the motion of special heavy medium cyclone internal magnets breeze, cyclone internal density field is changed, thus reaches the separating effect controlling heavy medium cyclone.
Description
Technical field
The present invention relates to a kind of rotational flow sorting device, especially a kind of magnetic force being applicable to dense media rotational flow sorting in coal industry interferes heavy medium cyclone.
Background technology
In current coal industry, heavy medium cyclone uses extensively as main screening installation, its On-line Control means comprise adjustment feed pressure, adjustment shunt volume etc., although these means can the separating effect of conditioning equipment but side effect is all very large, can reduce although adjustment feed pressure can improve practical separation density sharpness of separation; Although adjustment shunt volume controls slime content in suspension and can improve stability of suspension but the rheological characteristic of suspension can be deteriorated.The control device of current heavy medium cyclone directly acts on the mixture of dielectric suspensions and selected mineral, only can not directly act on dielectric suspensions.
Summary of the invention
Technical problem: the object of the invention is the deficiency overcome in prior art, a kind of magnetic force is provided to interfere heavy medium cyclone, cyclone eddy flow district Distribution of Magnetic Field is controlled by adjusting inside and outside double control electromagnetic polar curve loop current, magnetic force interference is carried out to the motion of special heavy medium cyclone internal magnets breeze, cyclone internal density field is changed, thus effectively controls the separating effect of heavy medium cyclone.
Technical scheme: magnetic force of the present invention interferes heavy medium cyclone, comprise cyclone body, internal magnetic pole magnet exciting coil, outer magnetic pole group, described cyclone body comprises cyclone cylinder, be located at the cyclone cone of cyclone cylinder lower end, cyclone cylinder top is provided with cyclone feeding pipe, the cyclone central tube stretched into wherein is provided with in cyclone cylinder, the upper end spiral-lock of cyclone cylinder has the cyclone central tube pallet of fixing cyclone central tube, cyclone central tube and cyclone central tube pallet is gluing links together, cyclone central tube pallet is through center tubulars platen and cyclone cylinder Flange joint, described cyclone central tube revealed section is provided with internal magnetic pole magnet exciting coil, described cyclone cylinder lower periphery is provided with outer magnetic pole group, outer magnetic pole group is made up of multiple electromagnet, electromagnet is made up of outer magnetic pole iron core, the outer magnetic pole magnet exciting coil be wound on above outer magnetic pole iron core, the outer magnetic pole magnet exciting coil of each electromagnet is cascaded, and jointly loads exciting current
i 1 , internal magnetic pole magnet exciting coil loading current
i 2 , electromagnet near the side magnetic polarity of cyclone cylinder and the magnetic polarity of cyclone central tube lower end different, described cyclone body, cyclone central tube are that soft magnetic materials is made.
Described cyclone feeding pipe is welded together by guiding gutter and cyclone cylinder in circumscribed mode; Described cyclone cylinder is together with cyclone cone Flange joint; Described outer magnetic pole group plane of arrangement and cyclone central tube central axis; Described multiple electromagnet quantity are 2 ~ 8.
Beneficial effect: the present invention controls cyclone eddy flow district Distribution of Magnetic Field by the inside and outside double control electromagnetic polar curve loop current of adjustment, magnetic force interference is carried out to the motion of special heavy medium cyclone internal magnets breeze, cyclone internal density field is changed, thus effectively controls the separating effect of heavy medium cyclone.Magnetic force is introduced rotational flow sorting, and magnetic force only to the Magnetic Materials effect in dielectric suspensions, does not affect selected mineral, balances a part with magnetic force by causing the centrifugal force of centrifugal sedimentation, and the stability of suspension can be improved relatively.In addition due to the introducing of magnetic force, the change of magnetic force changes the density field distribution of cyclone inside, also have adjusted the separating density of heavy medium cyclone to a certain extent, also can realize higher separating density, decrease power consumption under lower feed pressure.Compared with the prior art, fully show following advantage: for heavy medium cyclone sorting provides new control program, this scheme has only to have magnetic dense media and acts on and do not have influential feature to non magnetic selected mineral compared with other schemes controlling cyclone.Its structure is simple, easy to use, has practicality widely.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 be in Fig. 1 A-A to structural representation.
Fig. 3 be in Fig. 1 B-B to structural representation.
In figure: 1. cyclone body; 2. internal magnetic pole magnet exciting coil; 3. outer magnetic pole group; 4. cyclone feeding pipe; 5. guiding gutter; 6. cyclone cylinder; 7. cyclone cone; 8. cyclone central tube; 9. cyclone central tube pallet; 10. center tubulars platen; 11. electromagnet; 12. outer magnetic pole iron cores; 13. outer magnetic pole magnet exciting coils.
Detailed description of the invention
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
Magnetic force of the present invention interferes heavy medium cyclone, primarily of cyclone body 1, internal magnetic pole magnet exciting coil 2, outer magnetic pole group 3 three part composition, described cyclone body 1 forms primarily of cyclone feeding pipe 4, guiding gutter 5, cyclone cylinder 6, cyclone cone 7, cyclone central tube 8, cyclone central tube pallet 9, center tubulars platen 10.Cyclone cone 7 is located at the lower end of cyclone cylinder 6, together with cyclone cylinder 6 Flange joint; Cyclone cylinder 6 top arranges cyclone feeding pipe 4, and cyclone feeding pipe 4 is welded together by guiding gutter 5 and cyclone cylinder 6 in circumscribed mode.The cyclone central tube 8 stretched into wherein is set in cyclone cylinder 6, the upper end spiral-lock of cyclone cylinder 6 has the cyclone central tube pallet 9 of fixing cyclone central tube 8, cyclone central tube 8 links together with cyclone central tube pallet 9 is gluing, and cyclone central tube pallet 9 is through center tubulars platen 10 and cyclone cylinder 6 Flange joint; Described cyclone central tube 8 revealed section is provided with internal magnetic pole magnet exciting coil 2, and described cyclone cylinder 6 lower periphery is provided with outer magnetic pole group 3, outer magnetic pole group 3 plane of arrangement and cyclone central tube 8 central axis; Outer magnetic pole group 3 is made up of multiple electromagnet 11, and multiple electromagnet 11 quantity is 2 ~ 8.Electromagnet 11 is made up of outer magnetic pole iron core 12, the outer magnetic pole magnet exciting coil 13 be wound on above outer magnetic pole iron core 12, and the outer magnetic pole magnet exciting coil 13 of each electromagnet 11 is cascaded, and jointly loads exciting current
i 1 , internal magnetic pole magnet exciting coil 2 loading current
i 2 ; Electromagnet 11 near the side magnetic polarity of cyclone cylinder 6 and the magnetic polarity of cyclone central tube 8 lower end different; Described cyclone body 1, cyclone central tube 8 are made for soft magnetic materials.
The each parts of cyclone body 1 except cyclone central tube 8 by non-magnetic material as aluminium, lucite etc. are made, with prevent shield outer magnetic pole produce magnetic field; Cyclone central tube 8 uses high magnetic permeability soft magnetic materials (as silicon steel, pure iron) to make as the iron core of internal magnetic pole.Cyclone central tube 8 and cyclone device central tube pallet 9 are joined together to form center tubulars by gluing; Cyclone feeding pipe 4 is welded together by guiding gutter 5 and cyclone cylinder 6 in circumscribed mode; The adpting flange of cyclone cylinder 6 upper end has annular groove, and the tray portion of center tubulars can embed wherein; Center tubulars is bolted on cyclone cylinder upper end by center tubulars platen 10; Cyclone cylinder 6 lower end and cyclone cone 7 are passed through together with Flange joint; Outer magnetic pole group 3 plane of arrangement is vertical with central tube field axis, be made up of 8 electromagnet 11, electromagnet is made up of outer magnetic pole iron core 12 and the superincumbent outer magnetic pole magnet exciting coil 13 of coiling, and the outer magnetic pole magnet exciting coil 13 of each electromagnet is cascaded, common loading exciting current I
1, and internal magnetic pole magnet exciting coil 2 loading current I
2.The magnetic polarity of the magnetic polarity of electromagnet 11 inside the side magnetic polarity of cyclone cylinder 6 and the different electromagnet of magnetic polarity 11 of cyclone central tube 8 lower end and internal magnetic pole lower end is different, namely inside outer magnetic pole for S pole then the polarity of internal magnetic pole in eddy flow district be N pole, if for N pole inside outer magnetic pole, internal magnetic pole is S pole in the polarity in eddy flow district.
During work, selected mineral enter cyclone body 1 inside from cyclone feeding pipe 4 through guiding gutter 5 and form eddy flow together with the mixture of magnetite powder suspension, contour stealth extrudes in cyclone cone 7 and forms inward eddy, the density layer that in suspension, magnetite powder is stable because centrifugal sedimentation is formed in this process, light product discharges cyclone body 1 with inward eddy from cyclone central tube 8; Heavy product is then discharged from the outlet of cyclone cone 7 lower end, forms stable operating mode in cyclone.When outer magnetic pole magnet exciting coil 13 loads exciting current I
1, internal magnetic pole magnet exciting coil 2 loading current I
2, internal magnetic pole (cyclone central tube 8) and outer magnetic pole inspire magnetic field, and the centrifugal sedimentation of inner magnet breeze is changed, and the distribution of internal density layer also changes, and control the separating density change of light product and heavy product.
Claims (4)
1. a magnetic force interferes heavy medium cyclone, comprise cyclone body (1), internal magnetic pole magnet exciting coil (2), outer magnetic pole group (3), it is characterized in that: described cyclone body (1) comprises cyclone cylinder (6), be located at the cyclone cone (7) of cyclone cylinder (6) lower end, cyclone cylinder (6) top is provided with cyclone feeding pipe (4), the cyclone central tube (8) stretched into wherein is provided with in cyclone cylinder (6), the upper end spiral-lock of cyclone cylinder (6) has the cyclone central tube pallet (9) of fixing cyclone central tube (8), cyclone central tube (8) links together with cyclone central tube pallet (9) is gluing, cyclone central tube pallet (9) is through center tubulars platen (10) and cyclone cylinder (6) Flange joint, described cyclone central tube (8) revealed section is provided with internal magnetic pole magnet exciting coil (2), described cyclone cylinder (6) lower periphery is provided with outer magnetic pole group (3), outer magnetic pole group (3) is made up of multiple electromagnet (11), electromagnet (11) is made up of outer magnetic pole iron core (12), the outer magnetic pole magnet exciting coil (13) be wound on above outer magnetic pole iron core (12), the outer magnetic pole magnet exciting coil (13) of each electromagnet (11) is cascaded, and jointly loads exciting current
i 1 , internal magnetic pole magnet exciting coil (2) loading current
i 2 , the magnetic polarity of electromagnet (11) near the side magnetic polarity of cyclone cylinder (6) and cyclone central tube (8) lower end is different, described cyclone body (1), cyclone central tube (8) are made for soft magnetic materials.
2. a kind of magnetic force according to claim 1 interferes heavy medium cyclone, it is characterized in that: described cyclone feeding pipe (4) is welded together by guiding gutter (5) and cyclone cylinder (6) in circumscribed mode.
3. a kind of magnetic force according to claim 1 interferes heavy medium cyclone, it is characterized in that: described cyclone cylinder (6) and cyclone cone (7) are by together with Flange joint.
4. a kind of magnetic force according to claim 1 interferes heavy medium cyclone, it is characterized in that: described outer magnetic pole group (3) plane of arrangement and cyclone central tube (8) central axis.
5. a kind of magnetic force according to claim 1 interferes heavy medium cyclone, it is characterized in that: described multiple electromagnet (11) quantity is 2 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085424.2A CN103831177B (en) | 2014-03-11 | 2014-03-11 | Magnetic force interferes heavy medium cyclone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410085424.2A CN103831177B (en) | 2014-03-11 | 2014-03-11 | Magnetic force interferes heavy medium cyclone |
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| Publication Number | Publication Date |
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| CN103831177A CN103831177A (en) | 2014-06-04 |
| CN103831177B true CN103831177B (en) | 2016-02-03 |
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| CN201410085424.2A Expired - Fee Related CN103831177B (en) | 2014-03-11 | 2014-03-11 | Magnetic force interferes heavy medium cyclone |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284005A (en) * | 2018-01-13 | 2018-07-17 | 常州大学 | A kind of magnetic force cyclone separator of magnetic drive continuous pulp discharge |
| CN109433434B (en) * | 2018-11-13 | 2021-01-08 | 长沙万荣粉体设备科技有限公司 | Graphite sorting system and method |
| CN110116057B (en) * | 2019-04-22 | 2021-08-27 | 太原理工大学 | Accelerating device for magnetic ore pulp in cyclone |
| CN110665633B (en) * | 2019-10-10 | 2020-10-20 | 中国矿业大学 | Micro-fine particle mineral separation system and separation method combining gravity separation and flotation |
| CN112275440B (en) * | 2020-09-06 | 2022-02-01 | 西安科技大学 | Magnetic force regulation and control type dense medium cyclone |
Citations (6)
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|---|---|---|---|---|
| SU1318296A1 (en) * | 1985-10-21 | 1987-06-23 | Львовский политехнический институт им.Ленинского комсомола | Magnetic dust collector |
| CN2496554Y (en) * | 2001-09-04 | 2002-06-26 | 深圳大学 | Underflow magnetic-hydraulic swirler |
| CN102161019A (en) * | 2010-02-23 | 2011-08-24 | 王新冰 | Cyclone separator coupled with force field |
| CN103056049A (en) * | 2013-01-23 | 2013-04-24 | 武汉科技大学 | Overflow-discharge-type magnetic hydrocyclone |
| CN203437226U (en) * | 2013-09-05 | 2014-02-19 | 东北师范大学 | Electrostatic dust collection system based on chaos magnetic strengthening |
| CN203778213U (en) * | 2014-03-11 | 2014-08-20 | 中国矿业大学 | Magnetic interference dense medium cyclone |
-
2014
- 2014-03-11 CN CN201410085424.2A patent/CN103831177B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1318296A1 (en) * | 1985-10-21 | 1987-06-23 | Львовский политехнический институт им.Ленинского комсомола | Magnetic dust collector |
| CN2496554Y (en) * | 2001-09-04 | 2002-06-26 | 深圳大学 | Underflow magnetic-hydraulic swirler |
| CN102161019A (en) * | 2010-02-23 | 2011-08-24 | 王新冰 | Cyclone separator coupled with force field |
| CN103056049A (en) * | 2013-01-23 | 2013-04-24 | 武汉科技大学 | Overflow-discharge-type magnetic hydrocyclone |
| CN203437226U (en) * | 2013-09-05 | 2014-02-19 | 东北师范大学 | Electrostatic dust collection system based on chaos magnetic strengthening |
| CN203778213U (en) * | 2014-03-11 | 2014-08-20 | 中国矿业大学 | Magnetic interference dense medium cyclone |
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| CN103831177A (en) | 2014-06-04 |
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