CN106733165B - It is a kind of with the broken drum magnetic separator with divergent function - Google Patents

It is a kind of with the broken drum magnetic separator with divergent function Download PDF

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Publication number
CN106733165B
CN106733165B CN201710144443.1A CN201710144443A CN106733165B CN 106733165 B CN106733165 B CN 106733165B CN 201710144443 A CN201710144443 A CN 201710144443A CN 106733165 B CN106733165 B CN 106733165B
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China
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magnetic
roller
divergent function
magnetic separator
separator
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CN106733165A (en
Inventor
张峰
陈帮
刘方明
王旭
王晓波
朱路路
梁国栋
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Beijing General Research Institute of Mining and Metallurgy
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Beijing General Research Institute of Mining and Metallurgy
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • B03C1/10Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/14Magnetic separation acting directly on the substance being separated with cylindrical material carriers with non-movable magnets

Abstract

The invention discloses a kind of with the broken drum magnetic separator with divergent function, including roller, roller is inner hollow roller, it is made by non-magnetic material, inner wall is equipped with the liner plate of non-magnetic material, and the external side of roller is equipped with external magnetic field, roller is supported on the rack by support roller, roller is connected with driving device, and material guide mechanism is equipped with inside roller, is equipped with non magnetic grinding media in the roller.Non magnetic grinding media makes according to spherical, cylindrical.By introducing crushing force in magnetic separation mechanism, large granular materials can be made further to be crushed, promote further separating for useful mine and gangue mine, sort efficiency and further increase.

Description

It is a kind of with the broken drum magnetic separator with divergent function
Technical field
The present invention relates to a kind of drum magnetic separators more particularly to a kind of with the broken drum magnetic separator with divergent function.
Background technique
Magnetic plant is the equipment for realizing minerals separation using the difference of sorted material magnetic (magnetic conductivity and magnetic susceptibility). Traditional magnetic separator is the ore-dressing practice that magnetic material is completed using the roller of fixed indefinite magnetic yoke and relative motion.
Magnetic plant can be divided into two class of electromagnetism and permanent magnetism by magnetic source form;It is divided into two class of dry type and wet type by operation mode; The classifications such as belt, cartridge type, pillar, disc type can be divided by structure feature.Classical magnetic plant classification is to be divided into 3 by magnetic field strength Class: (1) weak magnetic separation equipment, magnetic induction intensity is 0.1T~0.2T, for sorting strongly magnetic mineral.(2) magnetic field magnetic separation in Equipment, magnetic induction intensity is 0.2T~0.6T, for magnetic mineral in sorting.(3) strong magnetic separation equipment (including High-gradient Magnetic Optional equipment), magnetic induction intensity is 0.6T~2T, is used to sorting weak magnetic minerals.The superconducting magnetic separator occurred after nineteen sixty also belongs to In strong magnetic separation equipment, magnetic induction intensity is even higher up to 5T.
Magnetic mineral is after crushing plant break process, by belt conveyor or other transporting equipments by broken magnetism Mineral are sent to magnetic plant and carry out sorting process.Because mineral inevitably generate particulate magnetism mine in shattering process.When thin Grain magnetic iron ore is magnetized after entering the magnetic field of magnetic plant, and attract each other generation reunion;After it leaves magnetic field, due to particulate magnetic The coercivity of iron ore is big, so that ore particle retains biggish remanent magnetism, forms the phenomenon that remanent magnetism is reunited, i.e. magnetic coagulation.
Fine fraction product causes the reunion weight excessive due to magnetic coagulation, can get rid of magnetic field force effect and enter tail In mineral products, the beneficiating efficiency of magnetic plant is affected, causes the waste of iron resource.
In the prior art, traditional magnetic separator generallys use belt conveyor cloth, and such distributing mode easily forms thin and thick not One bed of material, what uneven material refining layer influenced magnetic separator to a certain extent sorts efficiency.
In the Chinese patent of notification number CN201520356076.8, stream in one kind is disclosed January 20 2016 day for announcing Formula mineral refiner.The refiner devises separation tube, magnetic separation generating device, driving device, doffer etc., and separation tube is interior The hollow roller in portion, magnetic separation generating device, which is arranged in, sorts exterior thereto, constitutes external magnetic field, driving device is for driving sorting Roller rotates, and doffer is used to ore pulp infeed sorting chamber.
2016 days for announcing August 3rd, the Chinese patent of notification number CN201520993488.2 disclosed a kind of pulley type Magnetic separator fixes the magnetic system of inner walls including magnetic selection roller, outer fixed shell and setting outside, powers off control choosing using being powered Material, when energization, namagnetic substance is directly excluded under roller turning effort by discharge port, and magnetic system substance is adsorbed on roller inner wall, When power-off, magnetisable material discharge.
It is above-mentioned in the prior art, although many pulley type magnetic separators have been disclosed, but without a kind of equipment carry out magnetic While being elected to be use, the achievable crushing operation to material, fragmentation and sorting operation are needed through two different equipment Or process is completed.
Summary of the invention
The object of the present invention is to provide a kind of with the broken drum magnetic separator with divergent function.
The purpose of the present invention is what is be achieved through the following technical solutions:
Of the invention has the broken drum magnetic separator with divergent function, including roller, and the roller is inner hollow roller Cylinder, is made by non-magnetic material, and inner wall is equipped with the liner plate of non-magnetic material, and the external side of the roller is equipped with external magnetic , the roller is supported on the rack by support roller, and the roller is connected with driving device, is equipped with guide inside the roller Mechanism, shown roller is interior to be equipped with non magnetic grinding media.
As seen from the above technical solution provided by the invention, provided in an embodiment of the present invention that there is broken and dispersion function The drum magnetic separator of energy, is further crushed material with crushing force, large granular materials are fractured into small particles material, promote Useful mine is further separated with gangue;On the other hand, it is acted on by the impact of crushing force, dispersion is generated to magnetic coagulation material and is made With reduction enters the magnetic coagulation inventory of gangue mine, and that improves magnetic plant sorts efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram with broken and divergent function drum magnetic separator provided in an embodiment of the present invention.
Fig. 2 is drum magnetic separator magnetic system scheme of installation in the embodiment of the present invention.
In figure:
1. feed hopper, 2. gear wheels, 3. supporting sticks, 4. magnetic systems, 5. rollers, 6. stock guides, 7. transmission mechanisms, 8. backgauges Plate, 9. discharge ports, 10. motor, 11. speed reducers, 12. pinion gears, 13. non magnetic grinding medias, 14. non magnetic material feed bins, 15. Magnetism material feed bin.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts Example, belongs to protection scope of the present invention.
Of the invention has the broken drum magnetic separator with divergent function, and preferable specific embodiment is:
Including roller, the roller is inner hollow roller, is made by non-magnetic material, inner wall is equipped with non-magnetic material Liner plate, the external side of the roller is equipped with external magnetic field, the roller by support roller support on the rack, the roller It is connected with driving device, material guide mechanism is equipped with inside the roller, is equipped with non magnetic grinding media in shown roller.
The external magnetic field includes the magnetic system being made of muti-piece magnetic patch, and the muti-piece magnetic patch is distributed according to strong-weak-strong ladder Or strong and weak change profile gradually, it is arranged on the outside of roller within the scope of 10 ° -180 °.
The material guide mechanism includes stock guide, striker plate, and the stock guide is installed according to 5 ° -10 ° of roller axis.
The driving device includes gear wheel, pinion gear, speed reducer.
The non magnetic grinding media makes according to spherical with cylindrical proportion 1:1.
Of the invention has the broken drum magnetic separator with divergent function, by introducing brokenly in magnetic separation mechanism Broken power, the impact effect by being crushed the field of force promote magnetic coagulation feed separation, and that improves magnetic separator sorts efficiency, overcomes magnetic separation Equipment the problem of easily it sorts efficiency because of magnetic coagulation phenomena impair during sorting;On the other hand, by introducing crushing force, Large granular materials can be made further to be crushed, promote further separating for useful mine and gangue mine, sort efficiency and further increase.
The present invention is further crushed material with crushing force, and large granular materials are fractured into small particles material, promotes Useful mine is further separated with gangue;On the other hand, it is acted on by the impact of crushing force, dispersion is generated to magnetic coagulation material and is made With reduction enters the magnetic coagulation inventory of gangue mine, and that improves magnetic plant sorts efficiency.
The principle of the present invention is:
The drum magnetic separator includes feed hopper, motor, speed reducer, gear wheel, pinion gear, rack, support roller, magnetic System, roller, stock guide, transmission mechanism, striker plate, abrasive medium etc..Motor, speed reducer, gear wheel, pinion gear constitution equipment Transmission system;Support roller is mounted on the rack, the weight of backing drum and internal material to be selected;Roller is by non-magnetic material system It forms, inner surface is made of non magnetic wearing plate;Abrasive medium is made of non-magnetic material, can be fabricated to according to the technological requirements The shapes such as spherical shape, cylinder;Magnetic system is made of a series of magnetic patch, and magnetic field strength is according to from by force to the weak or strong and weak side such as spaced Formula arrangement, provides changing magnetic field intensity.
Pinion gear obtains torque by speed reducer from motor and rotates around horizontal axis, and gear wheel is driven to revolve around its axis Turn.Gear wheel is connected on roller, so roller is rotated together with gear wheel.Feed hopper is fixed on the rack, material to be selected from Feed hopper enters in roller.Material is rotated with roller, and magnetic material can be adsorbed on roller by the magnetism being arranged outside roller On inner wall, when running to certain altitude, magnetic material departing from magnetic field force control, its gravity, centrifugal force effect under, into Enter on transmission mechanism, and the effect that non-magnetic material is not magnetic field force induced, it when running to certain altitude, falls, is again introduced into naturally In roller.In roller rotary course, the impact by non-magnetic media acts on and is dispersed again magnetic coagulation material.
The beneficial effects of the present invention are:
Material from roller feeding inlet to from discharge gate, it is for the helical movement, thus material can through the effect of multiple magnetic concentration working, Increase magnetic separation number.The distributing mode of magnetic separator is realized by the rotary motion of roller, with traditional belt feeder cloth Mode is compared, and cloth is not influenced by material bed thickness, therefore obtains bed of cloth more evenly.Coarse granular material can move In the process by the fragmentation of non-magnetic media, it is fractured into small size material from large scale, on the one hand can reach pre- magnetic separation Beneficiating efficiency, i.e. raising magnetic separator reduces the gangue amount entered in magnetic product to the ore dressing precision of magnetisable material.By non- The continuous impact of magnetic medium can destroy the magnetic coagulation effect generated containing iron particle, magnetic material is avoided to enter because of magnetic coagulation Probability in gangue mineral reduces iron loss.
Specific embodiment:
As shown in Figure 1 and Figure 2, pinion gear 12, which is connected by speed reducer 11 with motor 10, obtains corresponding torque, small tooth Wheel 12 is cooperated with gear wheel 2 by gear pair, and gear wheel 2 is fixed together with roller 5, and support roller 3 is mounted on the rack, roller 5 weight is supported by support roller 3, and magnetic system 4 is mounted in the rack outside roller, constitutes the external magnetic field of magnetic separator, guide Plate 6 is mounted on roller inner wall according to helix, is provided for material upwards and to the auxiliary force that discharge direction moves, transmission mechanism 7 pass through roller, are not connected with roller, and mainly magnetic material is transferred in magnetic material feed bin 15.
After material carries out preliminary treatment by crushing plant, entered inside roller by feed hopper 1.Magnetic material is external Under the magnetic field force effect in magnetic field 4, its gravity can be overcome and be adhered on roller inner wall.When roller is operated to highest point When, magnetic material is detached from the effect of magnetic field force, it falls under gravity on transmission mechanism, by the transport of transmission mechanism, It is enriched in magnetic material feed bin.And non magnetic material frictional force, gravity, centrifugal force collective effect under make compound motion, work as fortune Turn to fall when certain altitude as parabola.
In order to guarantee that material plays preferable fragmentation in abrasive medium pair roller barrel, roller revolving speed is not higher than 10-15r/ min。
In order to ensure material moves in roller to discharge gate, stock guide is set, is spirally distributed.Material is from feeding inlet To discharge gate, multiple magnetic concentration working can be passed through, beneficiating efficiency is effectively increased, reduce iron loss.
Abrasive medium is made of non-magnetic material, can be fabricated to the shapes such as spherical shape, cone according to the abrasion of material. Big abrasive medium diameter 20mm, middle dimensioned abrasive medium 10mm, small abrasive medium diameter 5mm, large, medium and small abrasive medium in roller It is matched by 1:1:1.
Roller makes of non-magnetic material, and inner wall is equipped with non magnetic liner plate, and roller diameter D=1.5m-2m, length L are small In 2m.7 length of transmission mechanism is greater than 3m, width B=300mm-500mm.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art, It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims Subject to enclosing.

Claims (5)

1. a kind of with the broken drum magnetic separator with divergent function, which is characterized in that including roller, the roller is in inside Empty roller, is made by non-magnetic material, and inner wall is equipped with the liner plate of non-magnetic material, and the external side of the roller is equipped with external Magnetic field, the roller are supported on the rack by support roller, and the roller is connected with driving device, are equipped with and are led inside the roller Expect mechanism, is equipped with non magnetic grinding media in the roller.
2. according to claim 1 have the broken drum magnetic separator with divergent function, which is characterized in that the external magnetic Field includes the magnetic system being made of muti-piece magnetic patch, and the muti-piece magnetic patch is distributed according to strong-weak-strong ladder or strong and weak variation point gradually Cloth is arranged on the outside of roller within the scope of 10 ° -180 °.
3. according to claim 2 have the broken drum magnetic separator with divergent function, which is characterized in that the material guiding machine Structure includes stock guide, striker plate, and the stock guide is installed according to 5 ° -10 ° of roller axis.
4. according to claim 3 have the broken drum magnetic separator with divergent function, which is characterized in that the driving dress It sets including gear wheel, pinion gear, speed reducer.
5. according to any one of claims 1 to 4 have the broken drum magnetic separator with divergent function, which is characterized in that The non magnetic grinding media makes according to spherical with cylindrical proportion 1:1.
CN201710144443.1A 2017-03-10 2017-03-10 It is a kind of with the broken drum magnetic separator with divergent function Active CN106733165B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110075996B (en) * 2019-06-02 2020-09-01 丰城市郊区再生资源有限公司 Magnetic metal recovery device for garbage classification

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US3969226A (en) * 1973-03-28 1976-07-13 Berger Maschinenfabriken G.M.B.H. & Co. Horizontal drum-type magnetic separator for granular feeds
SU1766521A1 (en) * 1989-08-08 1992-10-07 Orlov Eduard V Cylindrical electromagnetic iron-separator
CN204261793U (en) * 2014-12-02 2015-04-15 安徽牧仕达饲料科技有限公司 A kind of pulverizer with inhaling iron device
CN204974168U (en) * 2015-05-28 2016-01-20 张宝祥 Interior STREAMING mineral preparator
CN105381880A (en) * 2015-11-27 2016-03-09 中冶南方工程技术有限公司 Iron removing device of steel slag vertical mill and iron removing method of steel slag vertical mill
CN205361641U (en) * 2016-01-26 2016-07-06 辽宁科技大学 It throws tail and thickness three hierarchical product magnet separators to have preliminary election concurrently
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CN205797365U (en) * 2016-01-28 2016-12-14 重庆钒钛科技开发有限公司 There is the preparation equipment of ball milling and agitating function

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CN207102884U (en) * 2017-03-10 2018-03-16 北京凯特破碎机有限公司 It is a kind of that there is the broken drum magnetic separator with divergent function

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US3969226A (en) * 1973-03-28 1976-07-13 Berger Maschinenfabriken G.M.B.H. & Co. Horizontal drum-type magnetic separator for granular feeds
SU1766521A1 (en) * 1989-08-08 1992-10-07 Orlov Eduard V Cylindrical electromagnetic iron-separator
CN204261793U (en) * 2014-12-02 2015-04-15 安徽牧仕达饲料科技有限公司 A kind of pulverizer with inhaling iron device
CN204974168U (en) * 2015-05-28 2016-01-20 张宝祥 Interior STREAMING mineral preparator
CN105381880A (en) * 2015-11-27 2016-03-09 中冶南方工程技术有限公司 Iron removing device of steel slag vertical mill and iron removing method of steel slag vertical mill
CN205413342U (en) * 2015-12-04 2016-08-03 重庆高金塑料制品有限公司 Drum -type magnetic separator
CN205361641U (en) * 2016-01-26 2016-07-06 辽宁科技大学 It throws tail and thickness three hierarchical product magnet separators to have preliminary election concurrently
CN205797365U (en) * 2016-01-28 2016-12-14 重庆钒钛科技开发有限公司 There is the preparation equipment of ball milling and agitating function

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