CN205236167U - Compound high gradient concentrator of strong magnetism of dielectric - Google Patents
Compound high gradient concentrator of strong magnetism of dielectric Download PDFInfo
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- CN205236167U CN205236167U CN201521036182.4U CN201521036182U CN205236167U CN 205236167 U CN205236167 U CN 205236167U CN 201521036182 U CN201521036182 U CN 201521036182U CN 205236167 U CN205236167 U CN 205236167U
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Abstract
The utility model discloses a compound high gradient concentrator of strong magnetism of dielectric, change and supporting driver part including vertical installation, the change is supported by the change backup pad, and be connected with the driver part, it rotates to be used for driving the change, the both sides of change are equipped with magnetic conduction board and coil, be used for forming the high -intensity magnetic field, magnetic conduction inboard side being close to the change still is equipped with the plate electrode, the plate electrode is connected with the high voltage dc source, be used for forming the dielectric field, discrete medium box is equipped with in the change, dielectric rod along change circumference tangential distribution in the medium box, it is parallel with the change plane, the dielectric rod material is the pure iron, and be provided with dielectric layer above that. The utility model discloses use multipurposely magnetism, the electrical property difference of valuable mineral and arteries and veins quarry thing and select separately, solved that valuable mineral is close with water dielectric constant, valuable mineral and arteries and veins quarry thing magnetic contrast be little nevertheless when the electrical property differs greatly, traditional encircle immediately strong magnet separator can not be effectively with the problem of the two separation, ore dressing efficiency and ore dressing precision have been improved to apparent landing.
Description
Technical field
The utility model belongs to benficiation machinery, particularly the strong magnetic Composite Field of a kind of dielectric high gradient ore separators.
Background technology
For some weak magnetic minerals, because the difference of the specific susceptibility of its valuable mineral and gangue mineral is less, existingSome intensity magnetic separators can not make that its valuable mineral and gangue mineral are effective to be separated, and often valuable mineral and gangue mineral are mixed inTogether, this can have influence on beneficiating efficiency and ore dressing precision. As number of patent application is 201220618319.7, the applying date is 2012November 20, publication number are the Chinese invention patent that 202893494U, name are called a kind of electromagnetism vertical ring high-gradient magnetic separator, and this is specialProfit document discloses a kind of magnetic separator, and this magnetic separator is because merely adopt strong magnetic to sort, when valuable mineral and gangue ore depositThing magnetic contrast is little, and electrical property difference is when larger, can not be effectively by feed separation to be selected.
At the character law discovery of summing up these mineral, valuable mineral mostly is metal oxide or sulfide, need to separateGangue mineral mostly is silicate mineral, both nature difference maximums be exactly dielectric constant. By pass through dielectric power in electric fieldCarry out the sorting of two kinds of mineral, and stressed in inhomogeneous field of known electroneutral particle:Wherein r is radius of sphericity, ε1、ε2Be respectively the absolute dielectric constant of fluid media (medium) and particle,For particle position placeElectric field square gradient. Taking water as fluid media (medium), if the dielectric constant of object mineral and the dielectric constant of water are close,Object mineral are stressed very little, and the mineral that will abandon are silicate minerals, and the dielectric constant of it and water all differs from a number conventionallyMagnitude, and stressed direction is the opposite direction that electric-force gradient reduces, merely adopts dielectric separation same or cannot sorting.
Utility model content
The technical problem that the utility model solves is: for existing dielectric separation or strong magnetic separation at same nature (magneticProperty and electrically) valuable mineral and ore mineral between the beneficiating efficiency and the low problem of ore dressing precision that exist, provide one to haveThe strong magnetic Composite Field of the dielectric high gradient ore separators of effect combined magnetic field sorting and electric field sorting.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
The strong magnetic Composite Field of a kind of dielectric high gradient ore separators, comprises the change 4 of vertical installation and supporting driver part,Described change 4 is supported by change gripper shoe 10, and is connected with driver part, for driving change to rotate, and the both sides of described change 4Be provided with magnetic conductive board 7 and coil 1, be used to form high-intensity magnetic field, be also provided with battery lead plate 2 in magnetic conductive board 7 inner sides near change 4, described inBattery lead plate 2 is connected with high-voltage DC power supply, is used to form dielectric field.
Further, described change 4 is combined into by some discrete cartridges 4 ', has if evenly distributed in described cartridge 4 'The dry dielectric rod 11 along change 4 circumference tangential distribution, described dielectric rod 11 all with the plane parallel at change 4 places.
Further, described dielectric rod 11 main bodys are made up of magnetic conductive media 12, and its outer surface parcel is provided with dielectric layer 13.
Preferably, the material of described magnetic conductive media 12 is pure iron.
Preferably, described dielectric layer 13 is barium titanate dielectric layer.
In the utility model, described change gripper shoe 10 is made by insulating materials with the outer surface of change 4.
Further, described magnetic conductive board 7 and battery lead plate 2 are the arc arranging along change 4 circumferencial directions, and its arc is longDegree all starts from the mineral-feeding pipe 5 of ore separators, concentrate bucket 3 tops finally, the scope that the high-intensity magnetic field forming respectively and dielectric field coverIdentical, and magnetic direction is consistent with direction of an electric field.
Preferably, described magnetic conductive board 7 and battery lead plate 2 are semicircular arc plate.
Preferably, described battery lead plate 2 surfaces, except the part for wiring, all scribble insulating barrier.
The utility model on the basis of Verticle ring high intensity magnetic separator, arrange near the magnetic conductive board inner side of change two parallelArc-shaped electrode plate, and be coated with reliable insulating barrier on its surface, pass to high voltage direct current, produce electric field, adopt leading of two magnetic conductionsMagnetic sheet, leading between two plates in the magnetic field that coil is produced, forms high-intensity magnetic field between plate, and control the sense of current and make magnetic pole on one sideOf the same name, realize the magnetic field consistent with direction of an electric field. Meanwhile, the dielectric rod in the cartridge of change is along tangential point of change circumferenceCloth, with change plane parallel, and adopts pure iron as dielectric rod, and barium titanate dielectric layer is set thereon, stops the excessive of electronicsTransfer impact Electric Field Distribution.
The utility model can utilize the magnetic contrast of valuable mineral and gangue mineral and electrical property difference to carry out sorting, when havingWhen larger with the little but electrical property difference of mineral and gangue mineral magnetic contrast, adopt high-intensity magnetic field and highfield to combine, taking water asFluid media (medium), the suffered magnetic force of valuable mineral points to magnetic separation medium, suffered dielectric power is very little, can ignore, specific susceptibility with havePoint to magnetic separation medium with the suffered magnetic force of the close gangue mineral of mineral, but its suffered dielectric power is away from magnetic separation medium, these two kindsPower is cancelled out each other, and the probability that this part mineral is selected reduces greatly, therefore can improve beneficiating efficiency and ore dressing precision.
In sum, the strong magnetic Composite Field of dielectric of the present utility model high gradient ore separators taking Verticle ring high intensity magnetic separator as basis,In high-intensity magnetic field, add highfield, reasonably arrange medium, make it effectively change electric field, Distribution of Magnetic Field, can efficiently sortThe weak magnetic mineral that valuable mineral and gangue mineral electrical property difference are large, has improved the utilization rate of mine resources, can meet and produce enterpriseThe enrichment requirement of industry to weak magnetic mineral.
Brief description of the drawings
Fig. 1 is the front view of the strong magnetic Composite Field of dielectric of the present utility model high gradient ore separators.
Fig. 2 is the left view of the strong magnetic Composite Field of dielectric of the present utility model high gradient ore separators.
Fig. 3 is the top view of the strong magnetic Composite Field of dielectric of the present utility model high gradient ore separators
Fig. 4 is the cartridge cross sectional representation in the utility model.
Fig. 5 is dielectric rod sectional view.
Number in the figure: 1. coil, 2. battery lead plate, 3. concentrate bucket, 4. change, 4 '. cartridge, 5. mineral-feeding pipe, 6. debris tube,7. magnetic conductive board, 8. reductor, 9. motor, 10. change gripper shoe, 11. dielectric rods, 12. magnetic conductive medias, 13. dielectric layers
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Referring to Fig. 1 to Fig. 5, the strong magnetic Composite Field of the dielectric high gradient ore separators in diagram comprises coil 1, battery lead plate 2, concentrateThe parts such as bucket 3, change 4, mineral-feeding pipe 5, debris tube 6, magnetic conductive board 7, reductor 8, motor 9, change gripper shoe 10, wherein change4 are supported by change gripper shoe 10, be connected with supporting reductor 8 and motor 9, and for driving change to rotate, the both sides of change 4Be provided with magnetic conductive board 7 and coil 1, be used to form high-intensity magnetic field, be also provided with battery lead plate 2, electrode in magnetic conductive board 7 inner sides near change 4Plate 2 is connected with high-voltage DC power supply, is used to form dielectric field, and battery lead plate 2 surfaces, except the part for wiring, all scribble insulationLayer, meanwhile, in order to allow change 4 bodies not affect electric field, the outer surface of change gripper shoe 10 and change 4 is by insulating materials systemBecome. Wherein, magnetic conductive board 7 and battery lead plate 2 are the semicircular arc plate arranging along change 4 circumferencial directions, and its arc length all startsIn the mineral-feeding pipe 5 of ore separators, concentrate bucket 3 tops finally, end positions is with respect to the center of circle Central Symmetry of change, magnetic conductive board 7 shapesThe coverage of the dielectric field that the high-intensity magnetic field becoming forms with battery lead plate 2 is identical, and coil 1 produces magnetic field after energising, passes through magnetic conductionPlate 7 conducts and produce high-intensity magnetic field between magnetic conductive board 7, and by the magnetic between control coil sense of current control magnetic conductive board 7Field direction, the scope that battery lead plate 2 covers is identical with magnetic conductive board 7, and is connected with high-voltage DC power supply, same by controlling electric currentDirection of an electric field between direction control electrode plate 2, should ensure that magnetic direction is consistent with direction of an electric field.
In conjunction with referring to Fig. 4 and Fig. 5, change 4 is combined into by some discrete cartridges 4 ', has if evenly distributed in cartridge 4 'The dry dielectric rod 11 along change 4 circumference tangential distribution, dielectric rod 11 all with the plane parallel at change 4 places, dielectric rod 11 main bodysBe made up of magnetic conductive media 12, its outer surface parcel is provided with dielectric layer 13.
While utilizing the strong magnetic Composite Field of dielectric of the present utility model high gradient ore separators to sort, raw ore slurry passes through mineral-feeding pipe5 enter, after magnetizing coil 1 energising, produce magnetic field, and import between two magnetic conductive boards 7, after two electrode plate 2 energisings two plates itBetween produce electric field, change 4 is rotated in magnetic field and electric field, in the time that the magnetic separation cartridge 4 ' in change goes in magnetic field, electric field, magneticSelect the magnetic separation medium in cartridge to be magnetized, the magnetic separation medium being magnetized produces suction to the magnetic mineral in ore pulp, simultaneously electricityField produces repulsion to the less gangue mineral of dielectric constant, and therefore, useful magnetic mineral is adsorbed on magnetic separation cartridge, and comparesThe gangue mineral that susceptibility and valuable mineral are close can not adsorb, when magnetic separation cartridge 4 ' produces magnetic field with change 4After, the magnetic separation medium in magnetic separation cartridge 4 ' loses magnetism, the magnetic mineral being adsorbed naturally fall or be rinsed water sweeps away andBe collected, be discharged in concentrate bucket 3, mine tailing enters tailing tank and is collected separately by debris tube 6. Like this, make in the past by traditionVerticle ring high intensity magnetic separator can not sort or sort the weak magnetic mineral that efficiency is not high, utilizes the strong magnetic Composite Field of dielectric of the present utility modelHigh gradient ore separators can effectively sort, and has improved beneficiating efficiency.
Below describe the realization of strong magnetic mode of operation and the Composite Field mode of operation that dielectric field adds of the present embodiment in detailMode.
(1) strong magnetic implementation:
As shown in Figure 1, Figure 2, Figure 3 shows, high intensity magnetic separation part is mainly by change 4, coil 1 and supporting driver part and ore dressingMachine connects accordingly ore deposit, contains ore deposit installation composition. The realization in magnetic field adopts parallel magnetic conductive board 7, the magnetic field guiding two that coil 1 is producedBetween magnetic conductive board, form high-intensity magnetic field between plate, excitatory employing two ends are excitatory, and control the sense of current and make magnetic pole on one side of the same name,Coil is surrounded by iron plate and carries out magnetic conduction in outside, reduce magnetic resistance, and magnetic conductive board 7 starts to position, ore deposit, ends at and unloads position, ore deposit, magneticMineral enter from mineral-feeding pipe 5, are subject to magneticaction adsorbed by change and promote between magnetic conductive board 7, to unloading behind position, ore deposit due to magneticField is weakened and is removed in concentrate bucket 3, and nonmagnetic mineral directly flow away from debris tube 6 by medium gap, whole separationJourney is all carried out in water, and water has good peptizaiton as the carrier of carrying mineral to mineral grain, magnetic field is divided simultaneouslyCloth does not affect. Between the larger valuable mineral of specific susceptibility difference and gangue mineral, can only be undertaken by strong magnetic mode of operationSorting.
(2) dielectric field adds mode:
As shown in Figure 1, Figure 2, Figure 3 shows, in magnetic conductive board 7 inner sides near change 4, two blocks of parallel arc-shaped electrode plates 2 are set,Be coated with after reliable insulating barrier on battery lead plate 2 surfaces, then apply high voltage direct current at its two ends, the cartridge 4 ' that makes change is in allIn uniform electric field, cartridge is also in high-intensity magnetic field simultaneously, one deck barium titanate ceramics is set as electricity on the top layer of dielectric rod 11Dielectric layer 13, because dielectric rod can be polarized in electric field, has changed original Electric Field Distribution, forms very on the surface of dielectric rodThereby high electric-force gradient can produce dielectric power to mineral grain, in the less valuable mineral of specific susceptibility difference and gangue ore depositWhen thing sorting, can add dielectric field to carry out the compound sorting of strong magnetic dielectric according to the difference of its dielectric constant, will be with by dielectric powerThe gangue mineral that valuable mineral Magnetic Phase is worked as repels, and increases beneficiating efficiency and ore dressing precision.
In order to allow change 4 not affect electric field, change 4 and change gripper shoe 10 all can adopt insulating materials system except mediumDo.
About the set-up mode of cartridge as shown in Figure 4, Figure 5, in change 4, is formed medium by some discrete cartridgesDielectric rod 11 in box is along the tangential distribution of change 4 circumference, and with the plane parallel of change 4, dielectric rod 11 should play change magneticThe object that changes Electric Field Distribution is played in field distribution again, but the direction that the direction that final magnetic field gradient increases and electric-force gradient increaseAll point to dielectric rod 11, this is to be determined by the shape of dielectric rod 11. What the body magnetic conductive media 12 of dielectric rod 11 was best isPure iron, and meanwhile pure iron is also conducting medium, at magnetic conductive media 12 outer surfaces, barium titanate dielectric layer being set is in order to stopThe excessive transfer impact Electric Field Distribution of electronics.
Below provide concrete ore dressing embodiment to describe technique effect of the present utility model.
Embodiment 1:
The dielectric constant of certain metal oxide mineral is 80, and water is 81 as the dielectric constant of dielectric separation medium,The dielectric constant of gangue silicate mineral is 6-11. In this material, the specific susceptibility of metal oxide is respectively object mineral181, a kind of gangue 5.01, a kind of gangue 37.88, another kind of gangue 135.68, uses this to use the strong magnetic of novel dielectric compoundHigh gradient separator, utilizing the gangue specific susceptibility of skimming in high intensity magnetic separation is two kinds of mineral of 5.01 and 37.88, and than magnetizationCoefficient is that the suffered magnetic force of 135.68 mineral points to magnetic separation medium, and its suffered dielectric power is away from magnetic separation medium, these two kinds of power phasesOffset mutually, its probability that enters product is diminished, thereby improved beneficiating efficiency.
Embodiment 2:
The dielectric constant of certain metal oxide mineral is 75.7, and water as the dielectric constant of dielectric separation medium is81, the dielectric constant of gangue silicate mineral is 5-24. In this material, the specific susceptibility of metal oxide is respectively object ore depositThing 286.70, a kind of gangue 18.61, another kind of gangue 224.56, use this to use the strong magnetic Composite Field of novel dielectric high gradientSeparator, utilizing the gangue specific susceptibility of skimming in high intensity magnetic separation is 18.61 mineral, and the mineral that specific susceptibility is 224.56Suffered magnetic force points to magnetic separation medium, and its suffered dielectric power is away from magnetic separation medium, and these two kinds of power are cancelled out each other, and it is finally enteredIn product from failing.
Embodiment 3:
The dielectric constant of certain metal oxide mineral is 85, and gangue is silicate mineral, and making equally water is that dielectric is dividedSelected introductions matter, in this material, the specific susceptibility of metal oxide is respectively object mineral 286.70, a kind of gangue 15.79, oneGangue 70.36, another kind of gangue 171.75, use this to use the strong magnetic Composite Field of novel dielectric high gradient separator, utilizes strongThe gangue specific susceptibility of skimming in magnetic separation is two kinds of mineral of 15.79 and 70.36, and the mineral that specific susceptibility is 171.75 instituteThe magnetic force that is subject to points to magnetic separation medium, and its suffered dielectric power is away from magnetic separation medium, these two kinds of power are cancelled out each other, and makes it enter productProbability diminishes.
Above-mentioned is preferred embodiment of the present utility model, but those skilled in the art should be understood that and do not departing fromIn the spirit and scope of the present utility model that appended claims limits, in form and details the utility model is doneThe various variations that go out, all belong to protection domain of the present utility model.
Claims (9)
1. the strong magnetic Composite Field of a dielectric high gradient ore separators, comprises change (4) and the supporting driver part of vertical installation,Described change (4) is supported by change gripper shoe (10), and is connected with driver part, for driving change to rotate, and described change (4)Both sides be provided with magnetic conductive board (7) and coil (1), be used to form high-intensity magnetic field, it is characterized in that: near the magnetic conductive board of change (4)(7) inner side is also provided with battery lead plate (2), and described battery lead plate (2) is connected with high-voltage DC power supply, is used to form dielectric field.
2. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 1, described change (4) is by some discreteCartridge (4 ') is combined into, and evenly distributed in described cartridge (4 ') have some dielectric rods along change (4) circumference tangential distribution(11), described dielectric rod (11) all with the plane parallel at change (4) place.
3. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 2, described dielectric rod (11) main body is by leadingMagnetizing mediums (12) is made, and its outer surface parcel is provided with dielectric layer (13).
4. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 3, the material of described magnetic conductive media (12)For pure iron.
5. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 4, described dielectric layer (13) is metatitanic acidBarium dielectric layer.
6. according to the strong magnetic Composite Field of a kind of dielectric high gradient ore separators described in any one in claim 1-5, described change is supportedPlate (10) is made by insulating materials with the outer surface of change (4).
7. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 1, described magnetic conductive board (7) and battery lead plate(2) be the arc arranging along change (4) circumferencial direction, its arc length all starts from the mineral-feeding pipe (5) of ore separators, finallyConcentrate bucket (3) top, the high-intensity magnetic field forming is respectively identical with the scope that dielectric field covers, and magnetic direction and direction of an electric field oneCause.
8. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 7, described magnetic conductive board (7) and battery lead plate(2) be semicircular arc plate.
9. the strong magnetic Composite Field of a kind of dielectric high gradient ore separators according to claim 1, described battery lead plate (2) surface except forOutside the part of wiring, all scribble insulating barrier.
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| CN201521036182.4U CN205236167U (en) | 2015-12-11 | 2015-12-11 | Compound high gradient concentrator of strong magnetism of dielectric |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665126A (en) * | 2016-04-06 | 2016-06-15 | 攀钢集团矿业有限公司 | Ore beneficiation equipment and ore beneficiation method |
| CN106694523A (en) * | 2017-01-18 | 2017-05-24 | 攀枝花市焱乾富慧科技有限公司 | Dielectric field screening concentrating machine and metallurgical slag recovering method |
| CN107470019A (en) * | 2017-08-03 | 2017-12-15 | 沈阳隆基电磁科技股份有限公司 | A kind of method that ore deposit efficiency is unloaded in Verticle ring high intensity magnetic separator and its raising |
| CN113477396A (en) * | 2021-07-27 | 2021-10-08 | 广州粤有研矿物资源科技有限公司 | Vertical ring high gradient magnetic separator |
-
2015
- 2015-12-11 CN CN201521036182.4U patent/CN205236167U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665126A (en) * | 2016-04-06 | 2016-06-15 | 攀钢集团矿业有限公司 | Ore beneficiation equipment and ore beneficiation method |
| CN106694523A (en) * | 2017-01-18 | 2017-05-24 | 攀枝花市焱乾富慧科技有限公司 | Dielectric field screening concentrating machine and metallurgical slag recovering method |
| CN106694523B (en) * | 2017-01-18 | 2019-03-12 | 攀枝花市焱乾富慧科技有限公司 | A kind of metallurgical slag recovery method |
| CN107470019A (en) * | 2017-08-03 | 2017-12-15 | 沈阳隆基电磁科技股份有限公司 | A kind of method that ore deposit efficiency is unloaded in Verticle ring high intensity magnetic separator and its raising |
| CN107470019B (en) * | 2017-08-03 | 2023-10-10 | 沈阳隆基电磁科技股份有限公司 | Vertical ring strong magnetic separator and method for improving ore discharging efficiency thereof |
| CN113477396A (en) * | 2021-07-27 | 2021-10-08 | 广州粤有研矿物资源科技有限公司 | Vertical ring high gradient magnetic separator |
| CN113477396B (en) * | 2021-07-27 | 2023-09-26 | 广州粤有研矿物资源科技有限公司 | Vertical ring high gradient magnetic separator |
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