CN103846155A - Permanent magnet magnetic separation column - Google Patents
Permanent magnet magnetic separation column Download PDFInfo
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- CN103846155A CN103846155A CN201410015771.8A CN201410015771A CN103846155A CN 103846155 A CN103846155 A CN 103846155A CN 201410015771 A CN201410015771 A CN 201410015771A CN 103846155 A CN103846155 A CN 103846155A
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Abstract
The invention relates to a permanent magnet magnetic separation column. The permanent magnet magnetic separation column comprises an outer cylinder, an overflow tank and a concentrate bucket, wherein the top end of the outer cylinder penetrates through the middle part of the bottom wall of the overflow tank, a tailing port is formed in the bottom wall of the overflow tank, a concentrate leaking hole which is used for being communicated with the concentrate bucket is formed in the bottom wall of the outer cylinder and a concentrate outlet is formed in the bottom of the concentrate bucket; a center shaft is fixedly installed in the outer cylinder, a permanent magnet magnetic system is fixedly sheathed at the lower part of the center shaft and a rotary drum which is sheathed outside an inner cylinder and is driven by a motor is rotatably installed on the center shaft; an annular water tank is sheathed at the bottom of the outer cylinder and a plurality of inner flushing ports which are communicated with the water tank are annularly arranged at intervals on the wall of the outer cylinder; an annular ore feeding tank is sheathed at the middle-to-lower part of the outer cylinder and a plurality of inner ore feeding ports which are communicated with the ore feeding tank are annularly arranged at intervals on the wall of the outer cylinder. The permanent magnet magnetic separation column has the advantages of simple structure, high operation stability and reliability, small water consumption and less tailing run-out.
Description
Technical field
The present invention relates to column magnetic separator field, specifically a kind of permanent-magnet concentration post.
Background technology
The silicon adulterating in iron powder and other nonmetallic mineral impurity can affect the taste of iron powder, in low-intensity magnetic field, there is the phenomenon of magnetic coagulation according to thin iron powder, on market, there is magnetic accumulating machine in the early time, to the certain effect of having upgrade, but its water consumption is large, and efficiency is low, in addition, limited by working condition, its unstable working condition, now seldom application.At present the equipment of conventional raising iron fine powder taste is electromagnetism column magnetic separator, and it belongs to a kind of electromagnetism low-intensity magnetic field magnetic gravity concentrator, and magnetic force is main, and gravity is auxiliary, is widely used because it has the wide and effective advantage of magnetic separation of the scope of application.In actual production, also there is following shortcoming in existing electromagnetism column magnetic separator: 1), due to the defect of structure and design principle, its water consumption is large and race tail is many, and resource and energy waste are serious; Volume is large, is not easy to install etc.; 2) owing to adopting electromagnet as magnetic force production part, the electric component needing is many, controls complexity, apparatus failure easily occurs, fluctuation of service.
Summary of the invention
It is little and run the few permanent-magnet concentration post of tail that the technical problem to be solved in the present invention is to provide a kind of simple in structure, stable and reliable operation, water consumption.
For solving the problems of the technologies described above, permanent-magnet concentration post of the present invention comprises the uncovered outer cylinder body in top, be arranged on the spill box at outer cylinder body top and be arranged on the concentrate bucket of outer cylinder body bottom, its design feature is that the top of described outer cylinder body is through the middle part of spill box diapire, on the diapire of spill box, offer mine tailing mouth, on the diapire of outer cylinder body, offer the concentrate small opening for being communicated with concentrate bucket, the bottom of concentrate bucket offers concentrate outlet, in concentrate outlet, concentrate valve is installed; In described outer cylinder body, be installed with along the central shaft of wherein axis direction extension and the top of this central shaft and be fixed on the roof of spill box, the bottom fixed cover of central shaft is equipped with permanent magnetic system, is rotatablely equipped with that to be set in permanent magnetic system outside and by motor-driven rotating cylinder on central shaft; The bottom of described outer cylinder body is set with annular water tank, offers outer flush port on water tank, and on the barrel of outer cylinder body, spacer ring is provided with multiple interior flush ports that are communicated with water tank; The middle and lower part of described outer cylinder body is set with annular and enters ore deposit case, enters and on the case of ore deposit, offers outer iron ore feeding hole, and on the barrel of outer cylinder body, spacer ring is provided with multiple interior iron ore feeding holes with entering ore deposit case and being communicated with.
Adopt said structure, between rotating cylinder and outer cylinder body, form sorting chamber, permanent magnetic system forms low-intensity magnetic field district in sorting chamber, and ore pulp enters into ore deposit case by outer iron ore feeding hole, then iron ore feeding hole enters sorting chamber in each.Pressure washing water enters water tank by outer flush port, in each, flush port enters sorting chamber again, ore pulp is broken up, improve ore pulp dispersiveness, flushing water and ore pulp all can form eddy flow in sorting chamber, regulate the concentrate valve of concentrate bucket bottom, the ore pulp breaking up is with water flow rotary upwards mobile vertically, magnetic powder is magnetized and is adsorbed on the surface of rotating cylinder, rotating cylinder rotates under the drive of motor, magnetic powder is followed rotating cylinder and is rotated, under magnetic force and gravity acting in conjunction, magnetic powder is along drum surface down sliding, and finally rotating cylinder coming off without magnetic region and rotating cylinder bottom, by the concentrate small opening concentrate bucket that bleeds.In the process gliding at ore pulp, rinse current the non-magnetic impurity being mingled with is eluriated out, non-magnetic impurity, with on current direction, enters spill box through the top end opening of outer cylinder body, discharges afterwards via mine tailing mouth again.Simultaneously, thinner magnetic powder is because suffered magnetic force is less, while moving up in sorting chamber, be subject to magnetic field magnetisation generation magnetic poly-, form compared with agglomerate, be adsorbed on drum surface and the downward landing of rolling, rinse current it is eluriated, the non-magnetic particle last person who is mingled with, eluriates through repeatedly rolling high-grade iron fine powder that obtains and is also slipped in concentrate bucket along the cylinder of rotating cylinder.Visible, this equipment is with the effect of magnetic separator and magnetic accumulating machine, and through repeatedly eluriating, the filtration result of non-magnetic impurity is obvious, and water consumption is little and race tail is few, and overall structure is simple, stable and reliable operation.
Described permanent magnetic system comprises the inner barrel that is fixedly set on central shaft and the storied placement polylith permanent magnet in inner barrel cylinder border, and wherein, inner barrel is yoke in magnetic system namely, and its material is mild steel.Every layer of each permanent magnet including on polylith permanent magnet and every layer is periphery along the cylinder circumferential interval of inner barrel, the polarity unification of the each permanent magnet on same layer is towards interior or outward, and each permanent magnet on the towards the opposite and adjacent layer of the polarity of adjacent layer permanent magnet is staggered.
Permanent magnetic system utilize permanent magnet form, do not need electrical equipment control, have simple in structure, the advantage of stable and reliable operation.Adopt above-mentioned permanent magnetic system, the polarity of the magnetic field intensity on adjacent layer is contrary, after ferrous powder granules is magnetized on the polarity magnetic region of ground floor, turn to the blank magnetic region of ground floor with rotating cylinder, because blank magnetic region does not have absorption affinity, therefore this particle is slipped to the magnetic region on the second layer with opposite polarity under the effect of gravity, and particle upset occurs and beats and carried out reverse polarization by the magnetic region on the second layer, the like, until ferrous powder granules is via the blank magnetic region landing of the bottom.The advantage of this kind of magnetic system is: coordinate the rotation of rotating cylinder, magnetic-particle rolling vertically under magnetic force and Action of Gravity Field moves down, and particle overturns while beating, and on it, the non-magnetic impurity of absorption can be shaken off, washing away under elutriation effect of flushing water, the filtering effect of impurity is more obvious.
The diapire of described spill box is obliquely installed, and described mine tailing mouth is opened in the relative low side of spill box diapire.The spill box diapire that adopts this kind to be obliquely installed, makes impurity diapire face landing along inclination under Action of Gravity Field, more contributes to impurity to discharge.
The top of described rotating cylinder is connected with a turning set and is contained in the pivoted housing on central shaft, this pivoted housing passes outer cylinder body and extends upwardly to the position cut-off near spill box roof, and described motor is arranged on spill box and the power output shaft of motor is connected with the top power of pivoted housing by power drive mechanism.
Described power drive mechanism comprise be arranged on pivoted housing top driven pulley, be arranged on drive pulley on motor power output shaft and connect the belt between drive pulley and driven pulley; Described motor is arranged on the outer side box wall of spill box, offers the belt passing for above-mentioned belt and install mouth on the tank wall of spill box.Adopt bel-drivenn form, simple in structure, reliable transmission, it is convenient to realize.
In described spill box, be horizontally set with and on a dividing plate and this dividing plate, offer the bulkhead through-hole passing for pivoted housing.Dividing plate is set for by the power-transmitting part on spill box top and the isolation of ore pulp liquid, avoids affecting power transmission.
On described dividing plate, offer dividing plate observation window, on the roof of spill box, offer spill box observation window with on position corresponding directly over dividing plate observation window.See through dividing plate observation window and spill box observation window, can observe the flooded conditions in spill box, convenient to inflow, enter ore deposit amount and concentrate discharge rate is controlled.
Described interior iron ore feeding hole and interior flush port are tangential entry and utilize each interior iron ore feeding hole and interior flush port in outer cylinder body, to form respectively ore pulp eddy flow and bath eddy flow, and the rotation direction of above-mentioned two eddy flows is contrary.Adopt the mode of this kind of tangential entry, make flushing water and ore pulp all tangentially enter sorting chamber, form ore pulp eddy flow and bath eddy flow, two eddy flow rotation directions make two strands of eddy flows liquidate on the contrary, more be conducive to ore pulp to be broken up, guarantee that impurity can be by abundant filtering.
In sum, the present invention has advantages of that simple in structure, stable and reliable operation, water consumption are little and it is few to run tail.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cutaway view of A-A direction in Fig. 1;
Fig. 3 is the cutaway view of B-B direction in Fig. 1;
Fig. 4 is that in the present invention, the system of the magnetic on inner barrel cylinder launches enlarged drawing.
The specific embodiment
With reference to accompanying drawing, permanent-magnet concentration post of the present invention comprises the uncovered outer cylinder body in top 1, be arranged on the spill box 2 at outer cylinder body 1 top and be arranged on the concentrate bucket 3 of outer cylinder body 1 bottom, the top of outer cylinder body 1, through the middle part of spill box 2 diapires, offers mine tailing mouth 4 on the diapire of spill box 2.Wherein, in order to facilitate impurity to discharge, the diapire of spill box 2 is obliquely installed, and mine tailing mouth 4 is opened in the relative low side of spill box 2 diapires.On the diapire of outer cylinder body 1, offer the concentrate small opening 5 for being communicated with concentrate bucket 3, the bottom of concentrate bucket 3 offers concentrate outlet 6, in concentrate outlet 6, concentrate valve 26 is installed.In outer cylinder body 1, be installed with along the central shaft 7 of wherein axis direction extension and the top of this central shaft 7 and be fixed on the roof of spill box 2, the bottom fixed cover of central shaft 7 is equipped with permanent magnetic system, is rotatablely equipped with and is set in the rotating cylinder 10 that permanent magnetic system is outside and driven by motor 9 on central shaft 7.The bottom of outer cylinder body 1 is set with annular water tank 11, offers outer flush port 12 on water tank 11, and on the barrel of outer cylinder body 1, spacer ring is provided with multiple interior flush ports 13 that are communicated with water tank 11.The middle and lower part of outer cylinder body 1 is set with annular and enters ore deposit case 14, enters and on ore deposit case 14, offers outer iron ore feeding hole 15, and on the barrel of outer cylinder body 1, spacer ring is provided with multiple interior iron ore feeding holes 16 with entering ore deposit case 14 and being communicated with.
In said structure, between rotating cylinder 10 and outer cylinder body 1, form sorting chamber, permanent magnetic system forms low-intensity magnetic field district in sorting chamber, and ore pulp enters into ore deposit case 14 by outer iron ore feeding hole 15, then iron ore feeding hole 16 enters sorting chamber in each.Pressure washing water enters water tank 11 by outer flush port 12, in each, flush port 13 enters sorting chamber again, flushing water and ore pulp all can form eddy flow in sorting chamber, adjust concentrate bucket 3 bottom concentrate valves 26, the flushing water with certain pressure breaks up ore pulp, the ore pulp breaking up is with water flow rotary upwards mobile vertically, magnetic powder is magnetized and is adsorbed on the surface of rotating cylinder 10, rotating cylinder 10 rotates under the drive of motor 9, magnetic powder is followed rotating cylinder 10 and is rotated, under Action of Gravity Field, magnetic powder is along the surperficial down sliding of rotating cylinder 10, and finally rotating cylinder 10 coming off without magnetic region and rotating cylinder bottom, by the concentrate small opening 5 concentrate bucket 3 that bleeds.In the process gliding at ore pulp, rinse current the non-magnetic impurity being mingled with is eluriated out, non-magnetic impurity, with on current direction, enters spill box 2 through the top end opening of outer cylinder body 1, discharges afterwards via mine tailing mouth 4 again.Simultaneously, thinner magnetic powder is because suffered magnetic force is less, while moving up in sorting chamber, be subject to magnetic field magnetisation generation magnetic poly-, form compared with agglomerate, be adsorbed on the surface of rotating cylinder 10 the downward landing of rolling, rinse current it is eluriated, the non-magnetic particle last person who is mingled with, eluriates through repeatedly rolling high-grade iron fine powder that obtains and is also slipped in concentrate bucket 3 along the cylinder of rotating cylinder 10.
With reference to accompanying drawing, permanent magnetic system of the present invention comprises the inner barrel 8 that is fixedly set on central shaft 7 and the storied placement polylith permanent magnet 17 in inner barrel 8 cylinder borders.Wherein, inner barrel 8 is yoke in magnetic system namely, and its material is mild steel.Every layer of each permanent magnet 17 including on polylith permanent magnet 17 and every layer is periphery along the cylinder circumferential interval of inner barrel 8, the polarity unification of the each permanent magnet 17 on same layer is towards interior or outward, and each permanent magnet 17 on the towards the opposite and adjacent layer of the polarity of adjacent layer permanent magnet 17 is staggered.Wherein, so-called polarity unification is towards interior or outward, refer to permanent magnet 17 on same layer or N extremely outwards, S is extremely inside, or S extremely outwards, N is extremely inside, the magnetic line of force that every one deck forms is all radially inwardly or outwards.Above-mentioned permanent magnetic system utilizes permanent magnet 17 to form, and does not need electrical equipment control, has advantages of simple in structure, stable and reliable operation.In above-mentioned permanent magnetic system, the polarity of the magnetic field intensity on adjacent layer is contrary, after ferrous powder granules is polarized on the polarity magnetic region of ground floor, turn to the blank magnetic region of ground floor with rotating cylinder 10, because blank magnetic region does not have absorption affinity, therefore this particle is slipped to the magnetic region on the second layer with opposite polarity under the effect of gravity, and particle upset occurs and beats and carried out reverse polarization by the magnetic region on the second layer, the like, until ferrous powder granules is via the blank magnetic region landing of the bottom.As shown in Figure 4, be in expanded view at magnetic, N polarity magnetic region 171 and S polarity magnetic region 172 are alternately distributed at each layer, the each layer of blank magnetic region 170 that is spaced apart of going up between polarity magnetic region.The direction of arrow in figure has been illustrated the wherein whereabouts track of some ferrous powder granules.Because the polarity of magnetic region between adjacent layer is contrary, for example, after ferrous powder granules is magnetized by S polarity magnetic region, fall into immediately the N polarity magnetic region of lower one deck, carry out reverse polarization, in the process of reverse polarization, there is upset and beat in particle, now, the non-magnetic impurity adhering on particle can be shaken off, washing away under elutriation effect of flushing water, the filtering effect of impurity is more obvious.
With reference to accompanying drawing, for the connection between inner barrel 8 and central shaft 7, the cylinder circumferential interval of central shaft 7 is equipped with many non-magnetic gripper shoes 25, and gripper shoe 25 is affixed with the inwall of inner barrel 8.Arrange in order to be applicable to above-mentioned magnetic system, the shape of inner barrel 8 is preferably polygon prism shape, and each permanent magnet 17 is arranged on the faceted pebble of polygon prism.In addition, because the permanent magnet 17 on every layer needs interval to arrange, therefore, the rib number of polygon prism is even number.The shape that is shaped as eight prisms of inner barrel 8 as shown in Figure 2, as shown in Figure 1 and Figure 4, magnetic system is divided into into eleventh floor.
With reference to accompanying drawing, the top of rotating cylinder 10 is connected with a turning set and is contained in the pivoted housing 18 on central shaft 7, this pivoted housing 18 passes outer cylinder body 1 and extends upwardly to the position cut-off near spill box 2 roofs, and motor 9 is arranged on spill box 2 and the power output shaft of motor 9 is connected with the top power of pivoted housing 18 by power drive mechanism.
With reference to accompanying drawing, power drive mechanism comprise be arranged on pivoted housing 18 tops driven pulley 19, be arranged on drive pulley 20 on motor 9 power output shafts and connect the belt 21 between drive pulley 20 and driven pulley 19; Motor 9 is arranged on the outer side box wall of spill box 2, offers the belt passing for above-mentioned belt 21 and install mouth 22 on the tank wall of spill box 2.In the present invention, the preferred kind of drive is belt transmission, certainly, according to actual needs, also can adopt the various conventional kinds of drive such as gear or gearbox.
With reference to accompanying drawing, in spill box 2, be horizontally set with and on a dividing plate 23 and this dividing plate 23, offer the bulkhead through-hole 24 passing for pivoted housing 18.Dividing plate 23, for by the power-transmitting part on spill box 2 tops and the isolation of bottom ore pulp liquid, avoids affecting power transmission.Wherein, on dividing plate 23, offer dividing plate observation window 27, on the roof of spill box 2, offer spill box observation window 28 with on position corresponding directly over dividing plate observation window 27.See through dividing plate observation window 27 and spill box observation window 28, can observe the flooded conditions in spill box 2, convenient to inflow, enter ore deposit amount and concentrate discharge rate is controlled.
With reference to accompanying drawing, interior iron ore feeding hole 16 and interior flush port 13 are tangential entry and utilize each interior iron ore feeding hole 16 and interior flush port 13 in outer cylinder body 1, to form respectively ore pulp eddy flow and bath eddy flow, and the rotation direction of above-mentioned two eddy flows is contrary.Two eddy flow rotation directions make two strands of eddy flows liquidate on the contrary, are more conducive to ore pulp to be broken up, and guarantee that impurity can be by abundant filtering.
In sum, the invention is not restricted to the above-mentioned specific embodiment.Those skilled in the art, under the premise without departing from the spirit and scope of the present invention, can do some changes and modification.Protection scope of the present invention should be as the criterion with claim of the present invention.
Claims (8)
1. a permanent-magnet concentration post, comprise the uncovered outer cylinder body in top (1), be arranged on the spill box (2) at outer cylinder body (1) top and be arranged on the concentrate bucket (3) of outer cylinder body (1) bottom, it is characterized in that the top of described outer cylinder body (1) is through the middle part of spill box (2) diapire, on the diapire of spill box (2), offer mine tailing mouth (4), on the diapire of outer cylinder body (1), offer the concentrate small opening (5) for being communicated with concentrate bucket (3), the bottom of concentrate bucket (3) offers concentrate outlet (6), in concentrate outlet (6), concentrate valve (26) is installed; In described outer cylinder body (1), be installed with along the central shaft (7) of wherein axis direction extension and the top of this central shaft (7) and be fixed on the roof of spill box (2), the bottom fixed cover of central shaft (7) is equipped with permanent magnetic system, is rotatablely equipped with and is set in permanent magnetic system rotating cylinder (10) outside and that driven by motor (9) on central shaft (7); The bottom of described outer cylinder body (1) is set with annular water tank (11), offers outer flush port (12) on water tank (11), and on the barrel of outer cylinder body (1), spacer ring is provided with multiple interior flush ports (13) that are communicated with water tank (11); The middle and lower part of described outer cylinder body (1) is set with annular and enters ore deposit case (14), enters and on ore deposit case (14), offers outer iron ore feeding hole (15), and on the barrel of outer cylinder body (1), spacer ring is provided with multiple interior iron ore feeding holes (16) with entering ore deposit case (14) and being communicated with.
2. permanent-magnet concentration post as claimed in claim 1, it is characterized in that described permanent magnetic system comprises the inner barrel (8) that is fixedly set on central shaft (7) and the storied placement polylith permanent magnet (17) in inner barrel (8) cylinder border, every layer of each permanent magnet (17) including on polylith permanent magnet (17) and every layer is periphery along the cylinder circumferential interval of inner barrel (8), the polarity unification of the each permanent magnet (17) on same layer is towards interior or outward, and the each permanent magnet (17) on the towards the opposite and adjacent layer of the polarity of adjacent layer permanent magnet (17) is staggered.
3. permanent-magnet concentration post as claimed in claim 1, is characterized in that the diapire of described spill box (2) is obliquely installed, and described mine tailing mouth (4) is opened in the relative low side of spill box (2) diapire.
4. permanent-magnet concentration post as claimed in claim 1, the top that it is characterized in that described rotating cylinder (10) is connected with a turning set and is contained in the pivoted housing (18) on central shaft (7), this pivoted housing (18) passes outer cylinder body (1) and extends upwardly to the position cut-off near spill box (2) roof, and described motor (9) is arranged on spill box (2) power output shaft upper and motor (9) and is connected with the top power of pivoted housing (18) by power drive mechanism.
5. permanent-magnet concentration post as claimed in claim 4, it is characterized in that described power drive mechanism comprise be arranged on pivoted housing (18) top driven pulley (19), be arranged on drive pulley (20) on motor (9) power output shaft and connect the belt (21) between drive pulley (20) and driven pulley (19); Described motor (9) is arranged on the outer side box wall of spill box (2), offers the belt passing for above-mentioned belt (21) and install mouthful (22) on the tank wall of spill box (2).
6. permanent-magnet concentration post as claimed in claim 5, is characterized in that being horizontally set with in described spill box (2) and on a dividing plate (23) and this dividing plate (23), offers the bulkhead through-hole (24) passing for pivoted housing (18).
7. permanent-magnet concentration post as claimed in claim 6, is characterized in that offering on described dividing plate (23) dividing plate observation window (27), on the roof of spill box (2), offers spill box observation window (28) with on position corresponding directly over dividing plate observation window (27).
8. the permanent-magnet concentration post as described in any one in claim 1-7, it is characterized in that described interior iron ore feeding hole (16) and interior flush port (13) are tangential entry and utilize each interior iron ore feeding hole (16) and interior flush port (13) in outer cylinder body (1), to form respectively ore pulp eddy flow and bath eddy flow, the rotation direction of above-mentioned two eddy flows is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015771.8A CN103846155B (en) | 2014-01-14 | 2014-01-14 | Permanent-magnet concentration post |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015771.8A CN103846155B (en) | 2014-01-14 | 2014-01-14 | Permanent-magnet concentration post |
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| CN103846155A true CN103846155A (en) | 2014-06-11 |
| CN103846155B CN103846155B (en) | 2016-11-23 |
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| CN201410015771.8A Active CN103846155B (en) | 2014-01-14 | 2014-01-14 | Permanent-magnet concentration post |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057098A (en) * | 2015-08-12 | 2015-11-18 | 唐竹胜 | Permanent magnetic separation column suitable for strongly or weakly magnetic minerals |
| CN106423552A (en) * | 2016-09-07 | 2017-02-22 | 重庆市九瑞粉末冶金有限责任公司 | Ring-shaped iron powder particle sorting device |
| CN106733150A (en) * | 2016-12-05 | 2017-05-31 | 柳州煜华科技有限公司 | A kind of magnetic force trash separator |
| CN109794353A (en) * | 2019-03-04 | 2019-05-24 | 太原理工大学 | A kind of three product radial magnetic field magnetic force cyclones for magnetic iron ore sorting classifying |
| CN111215240A (en) * | 2019-11-13 | 2020-06-02 | 鞍钢集团矿业有限公司 | Multilayer magnetic system selection magnetic separator |
| CN113695081A (en) * | 2021-08-24 | 2021-11-26 | 北矿机电科技有限责任公司 | Separator of electric permanent magnet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057098A (en) * | 2015-08-12 | 2015-11-18 | 唐竹胜 | Permanent magnetic separation column suitable for strongly or weakly magnetic minerals |
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| CN109794353A (en) * | 2019-03-04 | 2019-05-24 | 太原理工大学 | A kind of three product radial magnetic field magnetic force cyclones for magnetic iron ore sorting classifying |
| CN111215240A (en) * | 2019-11-13 | 2020-06-02 | 鞍钢集团矿业有限公司 | Multilayer magnetic system selection magnetic separator |
| CN113695081A (en) * | 2021-08-24 | 2021-11-26 | 北矿机电科技有限责任公司 | Separator of electric permanent magnet |
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| Publication number | Publication date |
|---|---|
| CN103846155B (en) | 2016-11-23 |
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