CN106733167A - A kind of variable magnetic field belt type magnetic separator - Google Patents

A kind of variable magnetic field belt type magnetic separator Download PDF

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Publication number
CN106733167A
CN106733167A CN201710053371.XA CN201710053371A CN106733167A CN 106733167 A CN106733167 A CN 106733167A CN 201710053371 A CN201710053371 A CN 201710053371A CN 106733167 A CN106733167 A CN 106733167A
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CN
China
Prior art keywords
magnetic
magnetic field
belt
variable
bucket
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Pending
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CN201710053371.XA
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Chinese (zh)
Inventor
何亚民
魏勇
徐智平
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Chengdu Leejun Industrial Co Ltd
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Chengdu Leejun Industrial Co Ltd
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Priority to CN201710053371.XA priority Critical patent/CN106733167A/en
Publication of CN106733167A publication Critical patent/CN106733167A/en
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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
    • B03C1/16Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/18Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation

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Abstract

The invention discloses a kind of variable magnetic field belt type magnetic separator, including:Feeding transport belt,The feeding transport belt top is provided with dosing storehouse,Material to be selected is filled in dosing storehouse,Dosing storehouse can be quantitative to conveying material to be selected on feeding transport belt as needed,The top of feeding transport belt movement direction end is provided with magnetic separation travelling belt,The variable magnetic body in magnetic field is provided with magnetic separation travelling belt,Part is respectively equipped with mine tailing bucket along the magnetic separation travelling belt direction of motion under magnetic separation travelling belt,Middle ore bucket and concentrate bucket,The variable magnetic body in magnetic field holds material to be selected and is close on magnetic separation travelling belt,The magnetic direction of the variable magnetic body in magnetic field changes so that the material to be selected of different property respectively falls in mine tailing bucket in magnetic separation travelling belt transportation,In middle ore bucket or concentrate bucket,Using low frequency pulsating formula flat plate magnet system,All of magnetic field space can be fully utilized,With high beneficiating efficiency,Reduce manufacturing cost.

Description

A kind of variable magnetic field belt type magnetic separator
Technical field
The present invention relates to technical field of ore extraction, more particularly to a kind of variable magnetic field belt type magnetic separator.
Background technology
So-called magnetic separation, is exactly, using the magnetic contrast of sorted material, mineral grain to be separated in magnetic field is sorted A kind of ore dressing means.Magnetic separation can be divided to wet magnetic separation and dry type magnetic separation two kinds of forms.Wet magnetic separation needs to be situated between as work using water Matter, will be difficult in the area of serious water shortage, and surrounding enviroment are also possible to cause severe contamination;It is multiple with wet magnetic separation Miscellaneous technological process and application limitation is compared, and dry-type magnetic selection apparatus have that simple structure, small investment, operating cost is low, energy-conservation The many advantages such as environmental protection.Therefore, dry type magnetic separation develops with having obtained very fast degree in recent years.
As high-pressure roller mill is in the extensive utilization of grinding field, traditional dry-type magnetic extractor cannot meet and increasingly increase Demand of processing quantity long;In addition, conventional dry magnetic separator causes the magnetic for sorting out due to magnetic coagulation and the phenomenon such as magnetic clutch is miscellaneous Property material grade is not high, it is difficult to meet the demand of final products.For more than conventional dry magnetic separation not enough or drawback, both at home and abroad Substantial amounts of work had been done in recent years in the R&D personnel of ore dressing field, had carried out various explorations.But for particulate The magnetic coagulation produced during sorting of level magnetic material and magnetic clutch is miscellaneous etc. that phenomenon still cannot solve very well.
Farthest to strengthen magnetic inverting action of the magnetic material in alternating magnetic field, allow in material the mineral that are magnetic Grain can be separated sufficiently with nonmagnetic mineral grain under the magnetic force and Action of Gravity Field of long period, so as to be obviously improved The metal content of magnetic material, improves beneficiating efficiency.Expect the sorting magnetic field of cycle alternation, 360 degree are often used in the past The rotatable magnetic core permanent magnetic pulley of full cornerite, the magnetic system inside roller quickly can independently rotate relative to outer roller, so that The disturbance of alternating magnetic field is experienced positioned at the magnetic mineral of roller surface, makes to be mixed in a small amount of non magnetic in magnetic mineral particles Gangue particle is spun off in continuous magnetic field switching process.But this permanent magnetism roller is due in the range of 360 degree There is magnetic field so that manufacturing cost is often very high, but half therein can only be often used again in the middle of actual commercial Application Even one not a half part, wastes so that this magnetic plant is commercially without larger so as to cause great cost Competitive advantage.
The content of the invention
It is an object of the invention to:Overcome the above-mentioned problems in the prior art, propose a kind of variable magnetic field belt-type Magnetic separator, using low frequency pulsating formula flat plate magnet system, all of magnetic field space can be fully utilized so that it is manufactured into This often only has the not a half of the complete rotatable magnetic core permanent magnetic pulley of cornerite, with high beneficiating efficiency, reduces manufacturing cost.
The purpose of the present invention is realized by following technical proposals:
A kind of variable magnetic field belt type magnetic separator, including:Feeding transport belt, feeding transport belt top be provided with quantitatively to Feed bin, fills material to be selected in the dosing storehouse, the dosing storehouse can be quantitative to feeding transport skin as needed Conveying material to be selected is taken, the top of the feeding transport belt movement direction end is provided with magnetic separation travelling belt, the magnetic separation The variable magnetic body in magnetic field is provided with travelling belt, part is distinguished along the magnetic separation travelling belt direction of motion under the magnetic separation travelling belt Mine tailing bucket, middle ore bucket and concentrate bucket are provided with, the variable magnetic body in magnetic field holds material to be selected and is close on magnetic separation travelling belt, The magnetic direction of the variable magnetic body in magnetic field changes so that different property in the magnetic separation travelling belt transportation Material to be selected is respectively fallen in mine tailing bucket, middle ore bucket or concentrate bucket.
A kind of variable magnetic field belt type magnetic separator of the invention, the variable magnetic body in magnetic field is electromagnetism flat plate magnet system, institute Stating has some electromagnetism windings in electromagnetism flat plate magnet system, each described electromagnetism winding accesses sine wave AC source.
A kind of variable magnetic field belt type magnetic separator of the invention, the alternative frequency of the excitation voltage of the electromagnetism winding exists Continuously adjustabe in the range of 0Hz -60Hz.
A kind of variable magnetic field belt type magnetic separator of the invention, the excitation voltage phase difference between adjacent electromagnetism winding exists In the range of 0-180 degree.
A kind of variable magnetic field belt type magnetic separator of the invention, the electromagnetism flat plate magnet system is connected with horizontal hunting mechanism Connect, the electromagnetism flat plate magnet ties up to the effect of horizontal hunting mechanism can make water in the direction vertical with magnetic separation travelling belt transporting direction It is flat to move back and forth.
A kind of variable magnetic field belt type magnetic separator of the invention, the amplitude 5- of the electromagnetism flat plate magnet system horizontal hunting 30mm, the hunting frequency of the electromagnetism flat plate magnet system is 5Hz -30Hz.
A kind of variable magnetic field belt type magnetic separator of the invention, the variable magnetic body in magnetic field is plate-shaped permanent magnets, described Plate-shaped permanent magnets are connected with horizontal hunting mechanism, and the plate-shaped permanent magnets can be transported in the case where horizontal hunting mechanism acts on magnetic separation Make horizontal reciprocating movement in the vertical direction in defeated belt-conveying direction.
A kind of variable magnetic field belt type magnetic separator of the invention, the amplitude 5-30mm of the plate-shaped permanent magnets horizontal hunting, The hunting frequency of the electromagnetism flat plate magnet system is 5Hz -30Hz.
According to above-mentioned technical proposal, the beneficial effects of the invention are as follows:
The 1st, the variable magnetic body in tabular magnetic field is set, and all of magnetic field space can be fully utilized so that it is manufactured into This often only has the not a half of the complete rotatable magnetic core permanent magnetic pulley of cornerite.
2nd, access sine wave AC source in electromagnetism flat plate magnet system is set to cause to be attracted to the Magnetic Materials of magnetic separation belt bottom Material and it is mingled with the nonmagnetic or sub-magnetic debris brought up and can be sufficiently overturn, stirred and separated.
3rd, electromagnetism flat plate magnet system sets horizontal hunting mechanism simultaneously, and magnetic is further changed on the premise of with alternating magnetic field Field direction, makes to treat that sorting material more fully rolls, and improves sharpness of separation.
Brief description of the drawings
Fig. 1 is a kind of variable magnetic field belt type magnetic separator schematic diagram of the invention.
Specific embodiment
With reference to specific embodiments and the drawings, the present invention is further illustrated.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Such as the embodiment that Fig. 1 is a kind of variable magnetic field belt type magnetic separator of the invention, a kind of variable magnetic field belt-type magnetic separation Machine, including:Feeding transport belt 2, the top of the feeding transport belt 2 is provided with dosing storehouse 1, in the dosing storehouse 1 Fill material to be selected, the dosing storehouse 1 can be quantitative to conveying material to be selected, institute on feeding transport belt 2 as needed The top for stating the direction of motion end of feeding transport belt 2 is provided with magnetic separation travelling belt 3, and the magnetic separation travelling belt 3 is interior to be provided with magnetic Variable magnetic body 4, the magnetic separation travelling belt 3 time partly along the direction of motion of magnetic separation travelling belt 3 be respectively equipped with mine tailing bucket 5, Middle ore bucket 6 and concentrate bucket 7, the variable magnetic body 4 in magnetic field hold material to be selected and are close on magnetic separation travelling belt 3, the magnetic Select the magnetic direction of the variable magnetic body 4 in magnetic field in the transportation of travelling belt 3 to change so that different property it is to be selected Material is respectively fallen in mine tailing bucket 5, middle ore bucket 6 or concentrate bucket 7, and the variable magnetic body 4 in magnetic field is electromagnetism flat plate magnet system, described There are some electromagnetism windings, each described electromagnetism winding accesses sine wave AC source, the electromagnetism winding in electromagnetism flat plate magnet system Excitation voltage alternative frequency in the range of 0Hz -60Hz continuously adjustabe, the excitation voltage phase between adjacent electromagnetism winding In the range of 0o -180o, the electromagnetism flat plate magnet system is connected difference with horizontal hunting mechanism, and the electromagnetism flat plate magnet ties up to water Flat swing mechanism effect can make horizontal reciprocating movement in the direction vertical with the transporting direction of magnetic separation travelling belt 3, and the electromagnetism is put down The amplitude 5-30mm of plate magnetic system horizontal hunting, the hunting frequency of the electromagnetism flat plate magnet system is 5Hz -30Hz, and the magnetic field is variable Magnetic body is plate-shaped permanent magnets, and the plate-shaped permanent magnets are connected with horizontal hunting mechanism, and the plate-shaped permanent magnets are in horizontal pendulum The effect of motivation structure is lower can to make horizontal reciprocating movement, the tabular permanent magnetism in the direction vertical with the transporting direction of magnetic separation travelling belt 3 The amplitude 5-30mm of body horizontal hunting, the hunting frequency of the electromagnetism flat plate magnet system is 5Hz -30Hz.
When using, material to be selected is given to dosing storehouse 1 first, and the material to be selected for being deposited in the bottom of dosing storehouse 1 exists Feeding transport belt 2 and being placed under the synergy of the feed-shoe of the bottom of dosing storehouse 1 is conveyed by equal and quantitative To the bottom of magnetic separation travelling belt 3, wherein magnetic mineral grain will be positioned in the magnetic field inside magnetic separation travelling belt 3 Magnetic attraction force produced by variable magnetic body 4 is adsorbed onto the bottom of magnetic separation travelling belt 3, also has in this process a small amount of Nonmagnetic or sub-magnetic debris can also be mingled with the bottom for being brought to magnetic separation travelling belt 3.It is arranged in magnetic separation travelling belt 3 Magnetic field produced by the variable magnetic body 1 in magnetic field in portion belongs to pulsating alternating magnetic field, and magnetic field alternative frequency is typically up to more than ten even Tens hertz, this causes to be attracted to the magnetic material of the bottom of magnetic separation travelling belt 3 and is mingled with bring up nonmagnetic Or sub-magnetic debris can sufficiently be overturn, stirred and be separated.The nonmagnetic ore deposit not attracted by the variable magnetic body 4 in magnetic field Thing remains unchanged and stays on feeding transport belt 2, is finally brought into mine tailing bucket 5, is mixed in the nothing in the middle of magnetic mineral(It is weak)Magnetic Grain has major part and is shaken off down at the very start, these nothings(It is weak)Magnetic-particle also falls within mine tailing bucket, remaining still to press from both sides Miscellaneous a small amount of sub-magnetic debris in the middle of magnetic mineral can still be shaken off down in ensuing magnetic rolling whipping process, most Enter into eventually in middle ore bucket 6, the pure ferromagnetism concentrate particle of remaining comparing eventually brings concentrate bucket into by magnetic separation travelling belt In 7.
The variable magnetic body in magnetic field is divided into two kinds of structure types of permanent magnetism and electromagnetism, can exactly produce alternation the characteristics of its is maximum Magnetic field.The alternating magnetic field of permanent-magnet structure can be swung by machinery or rotation is obtained, and the alternating magnetic field of electromagnetic structure can pass through Alternating Current Excitation power supply is obtained, and the main purpose of this design is exactly to make these magnetic materials and be mingled with therein non magnetic or weak magnetic Property particle is sufficiently stirred and separated in the presence of alternating magnetic field and gravity, is efficiently solved strongly magnetic material and is being sorted During produced magnetic coagulation and magnetic Inclusion Problem, the grade of ferromagnetism concentrate product is reached high level.
There is following advantage relative to prior art:1st, the size fraction ranges of the selected mineral of magnetic separator are very wide, diameter≤20mm Particle or powder can all be selected in;2nd, concentrate grade is very high, and in the case where ensureing that tailings grade is qualified, concentrate grade is reachable It is more than 35% -60%;3rd, manufacturing cost is relatively low, and market competition advantage is obvious;4th, magnetic separator has simple structure, easy to operate, regulation Accurately, durable in use, easy to maintenance many advantages, such as.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (8)

1. a kind of variable magnetic field belt type magnetic separator, it is characterised in that including:Feeding transport belt, the feeding transport belt Top is provided with dosing storehouse, and material to be selected is filled in the dosing storehouse, and the dosing storehouse can quantify as needed To material to be selected is conveyed on feeding transport belt, the top of the feeding transport belt movement direction end is provided with magnetic separation transport Belt, is provided with the variable magnetic body in magnetic field in the magnetic separation travelling belt, skin is transported in part along magnetic separation under the magnetic separation travelling belt Tape motion direction is respectively equipped with mine tailing bucket, middle ore bucket and concentrate bucket, and the variable magnetic body in magnetic field holds material to be selected and is close to On magnetic separation travelling belt, in the magnetic separation travelling belt transportation magnetic direction of the variable magnetic body in magnetic field change so as to In the material to be selected of different properties is respectively fallen in mine tailing bucket, middle ore bucket or concentrate bucket.
2. a kind of variable magnetic field belt type magnetic separator according to claim 1, it is characterised in that:The variable magnetic source in magnetic field Body is electromagnetism flat plate magnet system, has some electromagnetism windings in the electromagnetism flat plate magnet system, and each described electromagnetism winding accesses sinusoidal Ripple alternating current source.
3. a kind of variable magnetic field belt type magnetic separator according to claim 2, it is characterised in that:The electromagnetism winding swash The alternative frequency of magnetoelectricity pressure continuously adjustabe in the range of 0Hz -60Hz.
4. a kind of variable magnetic field belt type magnetic separator according to claim 3, it is characterised in that:Between adjacent electromagnetism winding Excitation voltage phase difference in the range of 0-180 degree.
5. a kind of variable magnetic field belt type magnetic separator according to claim 4, it is characterised in that:The electromagnetism flat plate magnet system Mechanism is connected with horizontal hunting, and the electromagnetism flat plate magnet ties up to the effect of horizontal hunting mechanism and can be transported with magnetic separation travelling belt Make horizontal reciprocating movement in the vertical direction in direction.
6. a kind of variable magnetic field belt type magnetic separator according to claim 5, it is characterised in that:The electromagnetism flat plate magnet system The amplitude 5-30mm of horizontal hunting, the hunting frequency of the electromagnetism flat plate magnet system is 5Hz -30Hz.
7. a kind of variable magnetic field belt type magnetic separator according to claim 1, it is characterised in that:The variable magnetic source in magnetic field Body is plate-shaped permanent magnets, and the plate-shaped permanent magnets are connected with horizontal hunting mechanism, and the plate-shaped permanent magnets are in horizontal pendulum motivation Structure effect is lower can to make horizontal reciprocating movement in the direction vertical with magnetic separation travelling belt transporting direction.
8. a kind of variable magnetic field belt type magnetic separator according to claim 7, it is characterised in that:The plate-shaped permanent magnets water The dynamic amplitude 5-30mm of yaw, the hunting frequency of the electromagnetism flat plate magnet system is 5Hz -30Hz.
CN201710053371.XA 2017-01-24 2017-01-24 A kind of variable magnetic field belt type magnetic separator Pending CN106733167A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107899744A (en) * 2017-12-10 2018-04-13 扬州扬杰电子科技股份有限公司 A kind of full-automatic crystal grain selector and its method of work
CN108855605A (en) * 2018-07-02 2018-11-23 西双版纳海邦矿业技术咨询服务有限公司 Rotary plate magnetic separator and system
CN110064514A (en) * 2019-06-14 2019-07-30 新沂市中鑫光电科技有限公司 A kind of quartz sand production stirring-type concentration equipment
CN114798167A (en) * 2022-04-27 2022-07-29 格林美(武汉)城市矿山产业集团有限公司 Double-layer belt type eddy current separator

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Publication number Priority date Publication date Assignee Title
CN1158279A (en) * 1996-12-17 1997-09-03 北京矿冶研究总院 Magnetic screening machine
EP1364715A2 (en) * 2002-04-04 2003-11-26 Consultec Engineering di Aquaro Francesco & C.sas Equipment for the selection of not ferromagnetic metallic materials from Municipal Industrial Solid Waste based on the principle of the eddy currents induced by variable electromagnetic fields
CN201002050Y (en) * 2006-06-02 2008-01-09 乔盘池 Crawler belt rotating magnetic drying separation machine
CN104084304A (en) * 2014-06-09 2014-10-08 灌阳县陈工选矿机械制造有限公司 Sorting magnetic separation device
CN203916888U (en) * 2014-01-13 2014-11-05 辽宁五寰工程技术有限公司 The heavy separator of dry type magnetic
CN104888950A (en) * 2015-06-23 2015-09-09 北矿机电科技有限责任公司 Asynchronous dry magnetic separator
CN204799411U (en) * 2015-06-10 2015-11-25 北矿机电科技有限责任公司 Strong magnet separator of belt combination formula
CN106000636A (en) * 2016-08-09 2016-10-12 成都利君科技有限责任公司 Belt-type dry magnetic separator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1158279A (en) * 1996-12-17 1997-09-03 北京矿冶研究总院 Magnetic screening machine
EP1364715A2 (en) * 2002-04-04 2003-11-26 Consultec Engineering di Aquaro Francesco & C.sas Equipment for the selection of not ferromagnetic metallic materials from Municipal Industrial Solid Waste based on the principle of the eddy currents induced by variable electromagnetic fields
CN201002050Y (en) * 2006-06-02 2008-01-09 乔盘池 Crawler belt rotating magnetic drying separation machine
CN203916888U (en) * 2014-01-13 2014-11-05 辽宁五寰工程技术有限公司 The heavy separator of dry type magnetic
CN104084304A (en) * 2014-06-09 2014-10-08 灌阳县陈工选矿机械制造有限公司 Sorting magnetic separation device
CN204799411U (en) * 2015-06-10 2015-11-25 北矿机电科技有限责任公司 Strong magnet separator of belt combination formula
CN104888950A (en) * 2015-06-23 2015-09-09 北矿机电科技有限责任公司 Asynchronous dry magnetic separator
CN106000636A (en) * 2016-08-09 2016-10-12 成都利君科技有限责任公司 Belt-type dry magnetic separator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107899744A (en) * 2017-12-10 2018-04-13 扬州扬杰电子科技股份有限公司 A kind of full-automatic crystal grain selector and its method of work
CN108855605A (en) * 2018-07-02 2018-11-23 西双版纳海邦矿业技术咨询服务有限公司 Rotary plate magnetic separator and system
CN110064514A (en) * 2019-06-14 2019-07-30 新沂市中鑫光电科技有限公司 A kind of quartz sand production stirring-type concentration equipment
CN114798167A (en) * 2022-04-27 2022-07-29 格林美(武汉)城市矿山产业集团有限公司 Double-layer belt type eddy current separator

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