CN113042208A

CN113042208A - Magnetic separator

Info

Publication number: CN113042208A
Application number: CN202110276035.8A
Authority: CN
Inventors: 洪利
Original assignee: Qian'an Xinhao Iron Ore Dressing Co ltd
Current assignee: Qian'an Xinhao Iron Ore Dressing Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-06-29
Anticipated expiration: 2041-03-15
Also published as: CN113042208B

Abstract

The application relates to a magnetic separator belongs to magnetic separation equipment's field, and it includes the cell body, cell body one side is equipped with the feedstock channel who communicates the cell body bottom, the cell body upper end is equipped with the magnetic separation subassembly of the interior ore pulp of screening cell body, the upper end that feedstock channel's one side was kept away from to the cell body is equipped with the bin outlet of intercommunication magnetic separation subassembly, the cell body bottom is equipped with feeding mechanism, feeding mechanism includes a plurality of augers of rotating the connection on the cell body bottom, the one end orientation magnetic separation subassembly of cell body is kept away from to the auger. This application has the magnetic separation effect that improves the magnet separator to improve the effect of magnetic separation efficiency.

Description

Magnetic separator

Technical Field

The application relates to the field of magnetic separation equipment, in particular to a magnetic separator.

Background

The magnetic separation belongs to the selection of ilmenite, which utilizes the difference of magnetic permeability of various minerals to make them pass through a magnetic field, and because the reaction of different minerals to the magnetic field is different, the minerals with high magnetic permeability are sucked up by magnetic disk, and then fall down after losing magnetism, and are collected by a collecting funnel. The magnetic separator is used for screening equipment for removing iron powder and the like in recycled powder granules, ore pulp flows into a tank body through an ore feeding box, and under the action of water flow of an ore feeding spray pipe, ore granules enter an ore feeding area of the tank body in a loose state.

Chinese patent with publication number CN206716198U discloses a permanent magnet drum magnetic separator, the barrel inner wall installation ore dressing magnet of permanent magnet drum magnetic separator, barrel one side is for the ore feeding groove, the barrel opposite side is the ore removal groove, the working gap that forms between barrel lower part and the separation box divide into coarse separation district, fine separation district and scavenging district, the rinsing water pipe of the rinsing part of permanent magnet drum magnetic separator on set up a plurality of rinsing water holes, the rinsing water pipe is installed at the ore removal groove position. Under the magnetic force of the ore dressing magnet on the inner wall of the cylinder, concentrate adsorbed on the rotary cylinder can be rinsed before ore discharge of the ore discharge groove, and part of monomer gangue and low-grade slime are washed away.

In view of the above-mentioned related technologies, the inventor believes that the ore slurry enters the cylinder from the ore feeding tank and reaches the bottom of the cylinder, and then is screened out by the ore dressing magnet at the upper end inside the cylinder, during which the iron ore may be deposited at the bottom of the cylinder due to gravity and cannot be screened out by the selected ore magnet, so that the iron separation efficiency of the magnetic separator is low and the effect is not good.

Disclosure of Invention

In order to improve the magnetic separation effect of magnet separator to improve magnetic separation efficiency, this application provides a magnet separator.

The application provides a magnetic separator adopts following technical scheme:

the utility model provides a magnetic separator, includes the cell body, cell body one side is equipped with the feedstock channel who communicates the cell body bottom, the cell body upper end is equipped with the magnetic separation subassembly of the internal ore pulp of screening cell, the upper end that feedstock channel's one side was kept away from to the cell body is equipped with the bin outlet of intercommunication magnetic separation subassembly, the cell body bottom is equipped with feeding mechanism, feeding mechanism includes a plurality of augers of rotating the connection on the cell body bottom, the one end orientation magnetic separation subassembly of cell body is kept away from to the auger.

Through adopting above-mentioned technical scheme, inside the ore pulp got into the cell body from feedstock channel, magnetic separation subassembly filters the suction with the iron powder in the ore pulp, and discharge the iron powder from discharge gate department, make the iron powder isolated from the ore pulp, wherein there is partial iron powder deposit in the bottom of cell body, in this process, the ore pulp flows towards magnetic separation subassembly, thereby drive the auger and rotate, make the auger stir at the cell body bottom, and convey the iron powder of cell body bottom towards magnetic separation subassembly, feeding mechanism reduces the deposit quantity of cell body bottom iron powder from this, thereby improve the screening to the iron powder in the ore pulp, improve the magnetic separation effect and the magnetic separation efficiency of iron powder.

Optionally, the bottom surface in the trough body is set to be an inclined plane, and the inclined plane is gradually inclined downwards from one side close to the feeding channel to one side close to the packing auger.

Through adopting above-mentioned technical scheme, inside back of feed channel entering cell body is followed to the ore pulp for along the inclined plane flow of cell body bottom for more piling up of iron powder is in the position of being close to the auger, makes the auger can convey more iron powder to the magnetic separation subassembly department of top, further improves the effect of magnetic separation.

Optionally, the feeding mechanism further comprises a washing assembly arranged at the bottom of the tank body, the washing assembly comprises a washing pipe arranged in the tank body and close to one side of the feeding channel, and a plurality of washing nozzles facing the packing auger are arranged on the washing pipe.

Through adopting above-mentioned technical scheme, logical water in the flushing pipe for rivers are followed the washing terminals and are flowed and are sprayed towards auger one side, make rivers wash the cell body bottom, and accelerate the ore pulp of cell body bottom to flow, thereby improve the ore pulp pair twist dragon revolving force, and then improve the conveying effect of auger to the ore pulp.

Optionally, the magnetic separation assembly comprises a cylinder rotatably connected to the upper end of the tank body, a driving motor for driving the cylinder to rotate is arranged on the upper portion of the tank body, a roller is connected in the cylinder in a rotating mode, a magnetic block is arranged on one side, facing the inside of the tank body, of the roller, and a fixing piece used for fixing the roller is arranged on the outer side of the tank body.

Through adopting above-mentioned technical scheme, rotate the roller to the screening angle of adjustment magnetic path, and through the position of the fixed roller of mounting, flow into the inside back of cell body at the ore pulp, driving motor drive drum rotates, and at the scope that the magnetic path faced, the iron powder is adsorbed on the outer wall of drum, and rotates along with the drum, and when the drum breaks away from the bin outlet, the outer iron powder of drum is not covered by the magnetic force cage of magnetic path, thereby breaks away from the drum, and the iron powder is come out by the magnetic separation from this.

Optionally, the inner side wall of the groove body, which is far away from the feeding channel, and the cylinder form the discharge opening, and the distance between the inner side wall and the cylinder is gradually reduced from bottom to top.

Through adopting above-mentioned technical scheme, the iron powder receives magnetic force to adsorb at the outer wall of drum, and the drum rotates for the iron powder passes through in the bin outlet, and along the direction of rotation of drum, the bin outlet diminishes gradually, makes the iron powder in the ore pulp be close to the drum more, thereby is adsorbed, improves the magnetic separation effect of iron powder.

Optionally, a drainage channel is arranged at the bottom of the tank body, the drainage channel is close to the feeding channel, and the height of the top end of the drainage channel is lower than that of the top end of the discharge port.

Through adopting above-mentioned technical scheme, after the ore pulp was selected the iron powder by magnetic separation subassembly, remaining ore pulp flows into in the drainage channel to flow out in following drainage channel.

Optionally, a supporting plate is arranged at one end of the drainage channel, which is far away from the feeding channel, the supporting plate is located below the cylinder, and a gap exists between the supporting plate and the cylinder.

Through adopting above-mentioned technical scheme, the ore pulp can only follow the clearance between drum and the layer board, gets into the drainage channel, and the ore pulp is fully screened by magnetic separation subassembly between drum and layer board from this, reduces the iron powder along with the ore pulp by the discharged possibility, improves the effect that the iron powder was screened.

Optionally, the feeding mechanism further comprises an anti-blocking assembly arranged above the packing auger and used for dredging the discharge hole.

Through adopting above-mentioned technical scheme, the iron powder passes and is discharged between the inside wall of cell body and drum, when the iron powder body amasss excessively, probably by the chucking between the inside wall of cell body and drum, becomes drum pivoted hindrance to cause the damage of drum outer wall, the bin outlet is then dredged to the anti-sticking subassembly, reduces and hinders drum pivoted possibility.

Optionally, the anti-sticking subassembly is including setting up the eccentric wheel in the auger top, sliding connection has the slide on the lateral wall relative with the drum on the feed inlet, the slide lower extreme and the lateral wall butt of eccentric wheel.

Through adopting above-mentioned technical scheme, the auger rotates, drives the eccentric wheel and rotates, and at the eccentric wheel pivoted in-process, the slide slides along the cell body inside wall for slide and drum relative position change, thereby make the iron powder moved, with this mediation bin outlet.

Optionally, a sliding block is arranged on one side, away from the cylinder, of the sliding plate, a sliding groove for inserting the sliding block is formed in the inner side wall of the groove body, a spring for connecting the sliding groove is arranged on the sliding block, and the axis of the spring is parallel to the moving direction of the sliding block.

By adopting the technical scheme, when the convex part of the eccentric wheel is gradually separated from the sliding plate, the spring moves the sliding plate towards one side of the eccentric wheel, so that the sliding plate automatically returns to the original position, and the sliding plate is kept to move repeatedly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the auger in the feeding mechanism is driven by flowing ore pulp to rotate, so that the auger is stirred at the bottom of the tank body and conveys the iron powder at the bottom of the tank body towards the magnetic separation assembly, and the feeding mechanism reduces the deposition amount of the iron powder at the bottom of the tank body, thereby improving the screening of the iron powder in the ore pulp and improving the magnetic separation effect and the magnetic separation efficiency of the iron powder;

2. the washing component sprays water flow to one side of the auger, so that the water flow washes the bottom of the tank body and accelerates the flow of ore pulp at the bottom of the tank body, thereby improving the rotating force of the ore pulp pair auger and further improving the conveying effect of the auger on the ore pulp;

3. the eccentric wheel in the anti-sticking subassembly rotates along with the auger rotation, and at the eccentric wheel pivoted in-process, the slide slides along the cell body inside wall for slide and drum relative position change, thereby make the iron powder moved, with this mediation bin outlet, reduce the drum by the possibility of hindrance chucking or even damage.

Drawings

Fig. 1 is a schematic structural diagram of the outside in the embodiment of the present application.

FIG. 2 is a schematic view of the internal structure of the magnetic separator.

Fig. 3 is a schematic view of a connecting structure of the roller and the groove body.

Fig. 4 is a schematic structural view of the anti-seize assembly.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Description of reference numerals: 1. a trough body; 11. a support frame; 2. a magnetic separation assembly; 21. a cylinder; 22. a drive motor; 23. a roller; 24. a magnetic block; 25. a fixed block; 26. fixing the rod; 27. a nut; 28. connecting blocks; 3. a feed channel; 4. a discharge outlet; 5. a drainage channel; 51. a support plate; 6. a support bracket; 61. a dispersing pipe; 62. dispersing the spray head; 7. a feeding mechanism; 71. a packing auger; 72. a flushing assembly; 721. a flush tube; 722. washing the spray head; 73. an anti-seize assembly; 731. an eccentric wheel; 732. a slide plate; 733. a slider; 734. a chute; 735. a spring; 74. a servo motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a magnetic separator. Referring to fig. 1 and 2, the magnetic separator comprises a tank body 1, a support frame 11 is fixed on the outer side of the tank body 1, a magnetic separation assembly 2 is arranged at the upper end of the tank body 1, the magnetic separation assembly 2 comprises a cylinder 21 rotatably connected to the upper surface of a notch of the tank body 1, a driving motor 22 fixed to the upper portion of the support frame 11 is arranged at one end of the cylinder 21, and an output shaft of the driving motor 22 is connected with the end portion of the cylinder 21 through a gear and a chain in a transmission mode. A roller 23 is rotatably connected inside the cylinder 21, and a magnetic block 24 is arranged on one side of the roller 23 facing the bottom of the tank body 1.

Referring to fig. 1 and 3, one end of the roller 23, which is far away from the driving motor 22, penetrates out of the cylinder 21 and is provided with a fixing piece fixed on the tank body 1. The fixing piece is fixed block 25 on roller 23, and the one end that drum 21 was kept away from to fixed block 25 articulates there is connecting block 28, and the one end that fixing block 25 was kept away from to connecting block 28 articulates there is horizontally dead lever 26, dead lever 26 and the cell body 1 outside sliding connection to threaded connection has nut 27 on the dead lever 26, makes dead lever 26 pass through nut 27 and fixes on cell body 1.

The fixing block 25 is rotated to enable the roller 23 to rotate, so that the position of the magnetic block 24 is adjusted, the magnetic force range of the magnetic block 24 is located below the top end of the notch, the nut 27 is screwed down after the position of the magnetic block 24 is determined, the fixing rod 26 is fixed on the groove body 1, and the roller 23 is fixed.

Referring to fig. 2, a feeding channel 3 is fixed on one side of the tank 1 located at the cylinder 21, and the feeding channel 3 is communicated with the bottom of the tank 1. The inside lateral wall and the drum 21 clearance of keeping away from feedstock channel 3 of cell body 1 constitute bin outlet 4, are fixed with the external drainage channel 5 of intercommunication simultaneously in one side that the cell body 1 bottom is close to feedstock channel 3, and the top of drainage channel 5 is less than the top of cell body 1 to one side that the drainage channel 5 top is close to bin outlet 4 is fixed with layer board 51.

Ore pulp enters the tank body 1 from the feeding channel 3, and is close to the cylinder 21 gradually, the below at the cylinder 21 is spread with ore pulp to the layer board 51, make magnetic path 24 adsorb the iron powder in the ore pulp to the outer wall of cylinder 21 through magnetic force, driving motor 22 drives cylinder 21 and rotates, make cylinder 21 drive iron powder pass bin outlet 4, and when passing bin outlet 4, no longer have magnetic force, make the iron powder break away from cylinder 21, thereby make the iron powder screened discharge, the ore pulp that does not have the iron powder flows outside from drainage channel 5.

Referring to fig. 2, a support bracket 6 is fixed on the upper end of the side of the trough body 1 close to the discharge opening 4, a dispersing pipe 61 parallel to the axis of the cylinder 21 is fixed on the support bracket 6, and a plurality of dispersing nozzles 62 are fixedly communicated with the side of the dispersing pipe 61 facing the discharge opening 4. When the cylinder 21 takes the iron powder out of the discharge opening 4, the dispersion nozzle 62 sprays water in the dispersion pipe 61 onto the cylinder 21 at the discharge opening 4, so that the iron powder is quickly separated from the cylinder 21.

Referring to fig. 2, a feeding mechanism 7 for conveying the iron powder at the bottom of the trough body 1 to the cylinder 21 is arranged in the trough body 1, the feeding mechanism 7 comprises a plurality of packing augers 71, the packing augers 71 are positioned at one side of the bottom of the trough body 1 far away from the feeding channel 3, and all the packing augers 71 are uniformly distributed at intervals along the axis parallel to the cylinder 21. One end of the packing auger 71 is rotatably connected with the bottom surface of the trough body 1, and the other end faces the cylinder 21.

Referring to fig. 2 and 3, the feeding mechanism 7 further comprises a flushing assembly 72 arranged at the bottom of the tank body 1 near one side of the feeding channel 3, and the flushing assembly 72 comprises a flushing pipe 721 parallel to the axis of the cylinder 21 and arranged above the bottom surface of the tank body 1. Two ends of the flushing pipe 721 are fixed on two side walls of the trough body 1, one end of the flushing pipe 721 is communicated with the outside, a plurality of flushing nozzles 722 are uniformly fixed on the flushing pipe 721 in the trough body 1, and the flushing nozzles 722 face the packing auger 71. Wherein the bottom surface of the trough body 1 is arranged as an inclined plane, and the inclined plane gradually inclines downwards from one side of the washing pipe 721 to one side of the packing auger 71.

Water flows into the flushing pipe 721 from the outside and is sprayed out from the flushing nozzle 722 to drive ore pulp in the trough body 1 to flow towards the auger 71 quickly, the ore pulp flows upwards at the auger 71 and is close to the cylinder 21, meanwhile, the flowing ore pulp drives the auger 71 to rotate, the auger 71 conveys iron powder deposited at the bottom of the trough body 1 towards the cylinder 21, and the iron powder can be screened and adsorbed by the cylinder 21 quickly.

Referring to fig. 2 and 4, the feeding mechanism 7 further includes an anti-jamming assembly 73 disposed at the discharge opening 4, the anti-jamming assembly 73 includes a sliding plate 732 disposed in the discharge opening 4, a side of the sliding plate 732 away from the cylinder 21 is slidably connected to an inner sidewall of the tank body 1, a side of the sliding plate 732 close to the cylinder 21 is provided with an arc surface, and a distance between the sliding plate 732 and the cylinder 21 gradually decreases from below. The anti-jamming assembly 73 further comprises an eccentric wheel 731 fixed at the top end of the packing auger 71, and the side wall of the edge of the eccentric wheel 731 abuts against the side wall of the lower end of the sliding plate 732.

Under the action of gravity, the lower end of the sliding plate 732 is always abutted against the eccentric wheel 731, the packing auger 71 rotates to drive the eccentric wheel 731 to rotate, so that the sliding plate 732 slides along the side wall of the tank body 1, and the sliding plate 732 and the cylinder 21 generate relative movement, thereby reducing the possibility of clamping the cylinder 21.

Referring to fig. 4 and 5, a dovetail-shaped slider 733 is fixed to a side of the sliding plate 732 away from the cylinder 21, a sliding groove 734 for inserting the slider 733 is formed on an inner side wall of the tank body 1, the slider 733 is slidably connected to the sliding groove 734, and a sliding direction of the slider 733 is perpendicular to an axis of the cylinder 21. A spring 735 is provided between the slide 733 and the end of the slide groove 734, and both ends of the spring 735 are fixedly connected to the slide 733 and the slide groove 734, respectively.

The spring 735 pushes the sliding block 733 along the chute 734, so that the sliding plate 732 is always abutted to the eccentric wheel 731, when the eccentric wheel 731 rotates along with the auger 71, the eccentric wheel 731 drives the sliding plate 732 to move, and the spring 735 enables the sliding plate 732 to move repeatedly, so that the discharge opening 4 is dredged.

An auxiliary driving assembly for driving the packing augers 71 to rotate is arranged below the trough body 1, the auxiliary driving assembly comprises a servo motor 74 fixed on the lower end face of the trough body 1, and an output shaft of the servo motor 74 is fixedly connected with one packing auger 71 in a coaxial line mode. Chain wheels are fixed on the packing augers 71, and the chain wheels on all the packing augers 71 are connected through chains.

The packing augers 71 are connected through a chain wheel and a chain, so that all the packing augers 71 rotate simultaneously, when the pressure of ore pulp is not enough to rotate the packing augers 71, the servo motor 74 drives the packing augers 71 to rotate, so that the ore pulp is conveyed towards the cylinder 21, and meanwhile, the sliding plate 732 is driven to slide repeatedly, and the discharge opening 4 is dredged.

The implementation principle of the magnetic separator in the embodiment of the application is as follows: ore slurry enters the tank body 1 from the feeding channel 3, water is sprayed out from the flushing nozzle 722 to drive the ore slurry to move towards the packing auger 71, when the ore slurry moves upwards to be close to the cylinder 21, the packing auger 71 is driven to rotate, so that the packing auger 71 transfers iron powder deposited at the bottom of the tank body 1 to the cylinder 21, the ore slurry close to the cylinder 21 is adsorbed on the outer wall of the cylinder 21 under the action of magnetic force of the magnetic block 24, the driving motor 22 drives the cylinder 21 to rotate, so that the cylinder 21 drives the iron powder to be separated from the tank body 1 from the discharge opening 4, the flushing nozzle 62 sprays water onto the cylinder 21 above the discharge opening 4, the iron powder is flushed and separated from the cylinder 21, and the ore slurry screened out of the iron powder enters the drainage channel;

when the packing auger 71 rotates, the eccentric wheel 731 drives the sliding block 733 to slide repeatedly, so that the discharge opening 4 is dredged, and the possibility that the cylinder 21 is blocked is reduced;

when the pressure of the ore pulp is not enough to drive the packing augers 71 to rotate, the servo motor 74 drives all the packing augers 71 to rotate, so that the feeding mechanism 7 operates normally.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a magnetic separator, includes cell body (1), cell body (1) one side is equipped with feed channel (3) that communicate bottom cell body (1), cell body (1) upper end is equipped with magnetic separation subassembly (2) of ore pulp in the screening cell body (1), the upper end of one side that feed channel (3) were kept away from in cell body (1) is equipped with bin outlet (4) of intercommunication magnetic separation subassembly (2), its characterized in that: cell body (1) bottom is equipped with feeding mechanism (7), feeding mechanism (7) include that a plurality of rotations connect auger (71) in cell body (1) bottom, the one end of cell body (1) is kept away from in auger (71) is towards magnetic separation subassembly (2).

2. The magnetic separator recited in claim 1 wherein: the bottom surface of the interior of the trough body (1) is an inclined surface which is gradually inclined downwards from one side close to the feeding channel (3) to one side close to the packing auger (71).

3. A magnetic separator as claimed in claim 2, wherein: feeding mechanism (7) are still including setting up washing subassembly (72) in cell body (1) bottom, washing subassembly (72) are including setting up flushing pipe (721) that is close to feedstock channel (3) one side in cell body (1), be equipped with a plurality of washing terminals (722) towards auger (71) on flushing pipe (721).

4. The magnetic separator recited in claim 1 wherein: magnetic separation subassembly (2) are including rotating drum (21) of connecting in cell body (1) upper end, cell body (1) upper portion is equipped with drive drum (21) pivoted driving motor (22), drum (21) internal rotation is connected with roller (23), roller (23) are provided with magnetic path (24) towards the inside one side of cell body (1), the cell body (1) outside is equipped with the mounting that is used for fixed roller (23).

5. The magnetic separator recited in claim 4 wherein: the inner side wall of the groove body (1) far away from the feeding channel (3) and the cylinder (21) form the discharge opening (4), and the distance between the inner side wall and the cylinder is gradually reduced from bottom to top.

6. The magnetic separator recited in claim 5 wherein: the bottom of the tank body (1) is provided with a drainage channel (5), the drainage channel (5) is close to the feeding channel (3), and the height of the top end of the drainage channel (5) is lower than that of the top end of the discharge hole (4).

7. The magnetic separator recited in claim 6 wherein: one end, far away from the feeding channel (3), of the drainage channel (5) is provided with a supporting plate (51), the supporting plate (51) is located below the cylinder (21), and a gap exists between the supporting plate (51) and the cylinder (21).

8. The magnetic separator recited in claim 5 wherein: the feeding mechanism (7) further comprises an anti-blocking assembly (73) which is arranged above the packing auger (71) and used for dredging the discharge hole (4).

9. The magnetic separator recited in claim 8 wherein: the anti-blocking assembly (73) comprises an eccentric wheel (731) arranged above the packing auger (71), a sliding plate (732) is connected to the side wall, opposite to the cylinder (21), of the feeding hole in a sliding mode, and the lower end of the sliding plate (732) is abutted to the side wall of the eccentric wheel (731).

10. The magnetic separator recited in claim 9 wherein: one side of the sliding plate (732) far away from the cylinder (21) is provided with a sliding block (733), the inner side wall of the groove body (1) is provided with a sliding groove (734) for inserting the sliding block (733), the sliding block (733) is provided with a spring (735) connected with the sliding groove (734), and the axis of the spring (735) is parallel to the moving direction of the sliding block (733).