Reciprocating electromagnetic separator

Abstract

The invention discloses a reciprocating electromagnetic separator, which belongs to the field of separation equipment, and comprises an electromagnetic protection box, an electromagnet arranged in the electromagnetic protection box, and a magnetic separation plate arranged on the electromagnetic protection box, one side of the electromagnet is connected to a driving device, and the driving device drives the electromagnet to move in a direction perpendicular to the conveying direction of the magnetic separation plate. Ore located on the magnetic separation plate moves from the feeding end to the discharging end, the driving device drives the electromagnet to reciprocate in the direction perpendicular to the conveying direction of the magnetic separation plate, the movement direction of the ore is perpendicular to the movement direction of the electromagnetic field, concentrate moves and deflects under the action of magnetic field force, and tailings continue to move towards the discharging end under the action of gravity without the action of the magnetic field force. Therefore, separation of concentrate and tailings is achieved. The electromagnet is controlled to be electrified only in the forward stroke or the return stroke to generate an electromagnetic field, so that the ore can be repeatedly acted by the electromagnetic field generated by the reciprocating electromagnet in the moving process, the opportunity that the ore moving on the magnetic separation plate is in contact with a high-intensity magnetic field for many times is increased, and the ore concentrate selection probability is greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of sorting equipment, in particular to a reciprocating electromagnetic magnetic separator. Background Art

[0002] Magnetic separator is a device that uses magnetic field to separate materials. It is mainly used to separate magnetic materials from non-magnetic materials, or to separate strong magnetic materials from weak magnetic materials. It is widely used in resource recovery, mining, wood industry, kiln industry, chemistry, food and other fields. Especially in mining, magnetic separator is an important equipment for purification and sorting.

[0003] At present, magnetic roller permanent magnetic separators are mostly used for the separation of magnetic minerals. Magnetic roller permanent magnetic separators have the characteristics of simple equipment, easy operation and low magnetic separation cost. However, during the magnetic separation process, the concentrate and tailings particles move in the same direction, which can easily cause the concentrate or tailings to be entrained or carried away during the magnetic separation due to overlap. In addition, since the ore is subjected to the magnetic field force for a short time during the magnetic separation, the magnetic separation effect is not ideal, especially when dealing with fine-grained and micro-fine-grained weakly magnetic minerals, the entrainment phenomenon is more obvious, resulting in a low recovery rate. Summary of the invention

[0004] The object of the present invention is to provide a reciprocating electromagnetic separator to solve the problems raised in the above background technology.

[0005] The present invention provides a reciprocating electromagnetic separator, comprising an electromagnetic protection box, an electromagnet arranged in the electromagnetic protection box, and a magnetic separation plate arranged on the electromagnetic protection box. One side of the electromagnet is connected to a driving device, and the driving device drives the electromagnet to move perpendicular to the conveying direction of the magnetic separation plate.

[0006] As a further solution of the present invention: a material trough is provided at one end of the magnetic separation plate, two partition plates are provided at the other end, and a paddle is provided at a position of the magnetic separation plate close to the partition plates.

[0007] As a further solution of the present invention: the magnetic separation plate is located at one end of the material trough and a feed hopper is installed thereon, the discharge port of the feed hopper is connected to the material trough, and the feed hopper is located at one end of the material trough.

[0008] As a further solution of the present invention: a plurality of parallel slide rails are provided inside the electromagnetic protection box to separate the interior of the electromagnetic protection box from the feed end to the discharge end into a plurality of chambers, and an electromagnet is provided in each chamber.

[0009] As a further solution of the present invention: a plurality of push grooves corresponding to the chambers are opened on one side of the electromagnetic protection box close to the driving device, a mounting plate is provided under each push groove, a driving device is provided on the mounting plate, and the driving device is connected to the electromagnet in the chamber through the corresponding push groove.

[0010] As a further solution of the present invention: a slide rail groove is provided on one side or both sides of the slide rail plate.

[0011] As a further solution of the present invention: the electromagnet comprises two parallel end plates, a plurality of magnetic blocks are arranged in parallel between the two end plates, gaps are left between adjacent magnetic blocks, and slide rails are provided on the side of the two end plates facing away from the magnetic blocks.

[0012] As a further solution of the present invention: the two end plates are connected by a side plate, a push frame is provided on the side of the side plate facing away from the magnetic block, and the push frame is connected to the driving device.

[0013] As a further solution of the present invention: it also includes an adjusting bracket, and the electromagnetic protection box is arranged on the adjusting bracket.

[0014] As a further solution of the present invention: the adjustment bracket includes three telescopic rods and one fixed rod, the three telescopic rods and one fixed rod are arranged in a rectangular shape, wherein a sliding beam is provided between two telescopic rods, and a cross beam is provided between the other telescopic rod and the fixed rod, the adjustment bracket also includes two parallel arranged rotating beams, one end of the rotating beam is connected to the cross beam, and the other end is provided with a sliding groove, and both ends of the sliding beam pass through the corresponding sliding grooves respectively.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The ore on the magnetic separation plate moves from the feed end to the discharge end. The drive device drives the electromagnet to reciprocate perpendicular to the conveying direction of the magnetic separation plate. The movement direction of the ore is perpendicular to the movement direction of the electromagnetic field. The concentrate moves and deflects under the action of the magnetic field force, while the tailings continue to move toward the discharge end under the action of gravity without being affected by the magnetic field force, thereby achieving the separation of concentrate and tailings. By controlling the electromagnet to generate an electromagnetic field only in the forward stroke or only in the return stroke, the ore has the opportunity to be repeatedly acted upon by the electromagnetic field generated by the reciprocating electromagnet during the movement, increasing the chances of the ore moving on the magnetic separation plate to repeatedly contact the strong magnetic field, greatly improving the probability of the concentrate being selected.

[0017] 2. Several electromagnets are placed in the electromagnetic protection box. Each electromagnet is driven by an independent drive device, which can make the movement stroke of each electromagnet change in a gradient. The ore moves on the magnetic separation plate from the feed end to the discharge end, and will be affected by the electromagnetic force generated by at least one electromagnet, preventing the ore from leaving the magnetic separation plate without being magnetically separated.

[0018] 3. Each electromagnet includes several magnetic blocks, and there are gaps between adjacent magnetic blocks, so that alternating strong and weak electromagnetic fields are generated between the magnetic blocks. When the ore moving on the magnetic separation plate contacts the electromagnetic field, part of the concentrate contacts the strong magnetic field area of ​​the electromagnet, and is pushed to the concentrate end under the action of gravity and strong magnetic field force, while part of the concentrate contacts the weak magnetic field area of ​​the electromagnet, and will continue to move downward or toward the concentrate end under the action of gravity and weak magnetic field force, so that the separated concentrate can be distributed more evenly and prevent the concentrate from piling up.

[0019] 4. The present invention can adjust the inclination angles of the electromagnetic protection box and the magnetic separation plate in the length and width directions through telescopic rods. Adjusting the inclination angle in the length direction can change the movement speed of the ore from the feed end to the discharge end on the magnetic separator, thereby changing the length of time that the ore is acted upon by the magnetic field force on the magnetic separation plate. Adjusting the inclination angle in the width direction can make the concentrate pushed by the magnetic field force and part of the tailings that are mistakenly pushed have a gravity component in the width direction, so that they have the opportunity to return to the ore under the influence of the gravity component in the width direction. The concentrate that returns to the ore will be pushed out again under the action of the magnetic field force of the electromagnet, and the tailings that are mistakenly pushed will be gradually reduced in the reciprocating cycle, thereby improving the magnetic separation grade. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0021] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0022] Figure 2 Schematic diagram of the structure of the magnetic separation plate in an embodiment of the present invention;

[0023] Figure 3 Schematic diagram of the structure of the electromagnetic protection box in the embodiment of the present invention;

[0024] Figure 4 Schematic diagram of the internal structure of the electromagnetic protection box in an embodiment of the present invention;

[0025] Figure 5 is a schematic structural diagram of an electromagnet in an embodiment of the present invention;

[0026] Figure 6 It is a schematic diagram of the assembly of the electromagnet and the electromagnetic protection box in an embodiment of the present invention;

[0027] Figure 7 is a schematic structural diagram of a driving device in an embodiment of the present invention;

[0028] Figure 8 Schematic diagram of the structure of the adjustment bracket in the embodiment of the present invention.

[0029] In the figure: 1-feed hopper; 2-magnetic separation plate; 21-first paddle; 22-second paddle; 23-partition plate; 24-material trough; 3-electromagnetic protection box; 31-box cover; 32-push slot; 33-mounting plate; 34-slide rail slot; 35-slide rail plate; 36-chamber; 4-electromagnet; 41-first electromagnet; 42-second electromagnet; 43-third electromagnet; 44-slide rail; 45-push frame; 451-connecting hole; 46-end plate; 47-side plate; 5-driving device; 6-adjusting bracket; 61-telescopic rod; 62-fixed rod; 63-rotating beam; 64-rotating device; 65-cross beam; 66-sliding beam; 67-sliding slot. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention, that is, the embodiments described are only part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0032] See also Figure 1As shown, this embodiment provides a reciprocating electromagnetic separator, including an electromagnetic protection box 3, an electromagnet 4 arranged in the electromagnetic protection box 3, and a magnetic separation plate 2 arranged on the electromagnetic protection box 3, wherein one side of the electromagnet 4 is connected to a driving device 5, and the driving device 5 drives the electromagnet 4 to move perpendicularly to the conveying direction of the magnetic separation plate 2. The ore on the magnetic separation plate 2 moves from the feed end to the discharge end, and the driving device 5 drives the electromagnet 4 to reciprocate perpendicularly to the conveying direction of the magnetic separation plate 2. The movement direction of the ore is perpendicular to the movement direction of the electromagnetic field, and the concentrate moves and deflects under the action of the magnetic field force, and the tailings continue to move toward the discharge end without being affected by the magnetic field force, thereby realizing the separation of the concentrate and the tailings. The electromagnet 4 is controlled to generate an electromagnetic field only in the forward stroke or only in the return stroke, and then the electromagnet 4 is powered on to act on the concentrate, causing the concentrate to be deflected and separated from the tailings. The electromagnet 4 is powered off, and the concentrate and the tailings move toward the discharge end. The electromagnet 4 is powered on again to act on the concentrate, causing the concentrate to be deflected and separated from the tailings. The electromagnet 4 is powered off again, and the concentrate and the tailings move toward the discharge end. This cycle repeats until the ore leaves the magnetic separation plate 2. During the movement of the ore on the magnetic separation plate 2, there is a chance that the electromagnetic field generated by the reciprocating electromagnet 4 is repeatedly acted on, which increases the chance that the ore moving on the magnetic separation plate 2 is repeatedly exposed to the strong magnetic field, greatly improving the probability of the concentrate being selected. The electromagnetic protection box 3 mainly protects the electromagnet 4. The bottom and surroundings of the electromagnetic protection box 3 are at a certain distance from the electromagnet 4, reducing the electromagnetic field force around and on the lower side of the electromagnet 4, and preventing the surrounding and bottom of the electromagnet 4 from adsorbing other magnetic substances due to the electromagnetic field force during operation. The width of the magnetic separation plate 2 is smaller than the width of the electromagnetic protection box 3. The magnetic separation plate 2 is installed on the electromagnetic protection box 3 and is located in the middle. The magnetic separation plate 2 is the contact surface for ore separation. Preferably, the width of the magnetic separation plate 2 is half the width of the electromagnetic protection box 3.

[0033] In some embodiments, see Figure 2As shown, the magnetic separation plate 2 is tilted, a material trough 24 is provided at one end of the magnetic separation plate 2, two partition plates 23 are provided at the other end, and a paddle is provided near the partition plates 23 on the magnetic separation plate 2. A feed hopper 1 is installed at one end of the material trough 24 on the magnetic separation plate 2, and the discharge port of the feed hopper 1 is connected to the material trough 24. The feed hopper 1 is located at one end of the material trough 24, and the length of the feed hopper 1 is preferably half of the width of the magnetic separation plate 2. Based on the above structure, the end of the magnetic separation plate 2 provided with the material trough 24 is the feed end, and the end provided with the partition plate 23 is the discharge end. The magnetic separation plate 2 is located on one side of the feed hopper 1 and can be regarded as a tailings area, and the other side can be regarded as a concentrate area, and the feed end is higher than the discharge end. The ore enters the trough 24 from the feed hopper 1, and under the action of gravity, the ore moves from the tailings area of ​​the magnetic separation plate 2 to the discharge end. The driving device 5 drives the electromagnet 4 to slide back and forth, and the sliding direction of the electromagnet 4 is perpendicular to the direction of ore movement. Since the concentrate is weakly magnetic, when the concentrate contacts the strong magnetic field of the electromagnet 4 during the movement, the strong electromagnetic field force will push the concentrate to move in the same direction as the electromagnet 4 along the forward stroke, and the movement direction of the concentrate will change. In the return stroke of the electromagnet 4, due to the disappearance of the magnetic field force, the originally pushed concentrate loses the magnetic field force and will continue to move along the magnetic separation plate 2 under the action of gravity. However, the tailings have almost no magnetism and are not affected by the magnetic field force. They will continue to move along the magnetic separation plate 2 under the action of gravity, and their movement direction will not change. They will directly move from the feed end of the tailings area to the discharge end and leave the magnetic separation plate 2. The reciprocating motion of the electromagnet 4 and the appearance and disappearance of the magnetic field force cause the concentrate to be gradually pushed to the concentrate area by the magnetic field force, and the tailings remain in the tailings area, thereby realizing the separation of the concentrate and the tailings, and completing the magnetic separation process of the ore.

[0034] The driving device 5 can be a servo motor. The motor is connected with an excitation current in the forward stroke to make the electromagnet 4 generate an electromagnetic field. In the return stroke, the motor disconnects the excitation current of the electromagnet 4 through a control circuit to make the magnetic field of the electromagnet 4 disappear.

[0035] Two partition plates 23 are installed in an inverted "V" shape at the end of the discharge end of the magnetic separation plate 2, and the discharge end of the magnetic separation plate 2 is divided into three discharge ports, one of which is located in the concentrate area, and the other is located in the tailings area. The paddle is located on the side of the partition plate 23 close to the feed end. The paddle located in the concentrate area is the first paddle 21, and the paddle located in the tailings area is the second paddle 22. The first paddle 21 and the second paddle 22 are installed on the magnetic separation plate 2 by screws and attached to the surface of the magnetic separation plate 2. They can be moved toward the concentrate area or the tailings area. When the first paddle 21 is attached to the surface of the magnetic separation plate 2 and moved toward the concentrate area, the concentrate grade collected in the concentrate area can be higher, but the recovery rate will be reduced. When the first paddle 21 is attached to the surface of the magnetic separation plate 2 and moved toward the tailings area, the concentrate grade collected in the concentrate area can be lowered, but the recovery rate will be increased. When the first paddle 21 is not in contact with the second paddle 22, the ore collected between the first paddle 21 and the second paddle 22 is medium ore, which leaves the magnetic separation plate 2 from the middle discharge port. The grade of the medium ore is lower than that of the concentrate but higher than that of the tailings. During magnetic separation, the positions of the first paddle 21 and the second paddle 22 can be adjusted according to production needs to obtain the most suitable mineral processing results.

[0036] In some embodiments, see Figure 3 , Figure 4 As shown, the electromagnetic protection box 3 is provided with a plurality of parallel slide rails 35, which separate the electromagnetic protection box 3 from the feed end to the discharge end into a plurality of chambers 36, and each chamber 36 is provided with an electromagnet 4. The electromagnetic protection box 3 is provided with a plurality of push grooves 32 corresponding to the chambers 36 on one side close to the drive device 5, and a mounting plate 33 is provided under each push groove 32, on which a drive device 5 is provided, and the drive device 5 passes through the corresponding push groove 32 and is connected to the electromagnet 4 in the chamber 36. Figure 4 , Figure 5 The electromagnetic protection box 3 is divided into three chambers 36 by four slide rails 35. A first electromagnet 41 is arranged in one chamber 36, a second electromagnet 42 is arranged in one chamber 36, and a third electromagnet 43 is arranged in another chamber 36. The bottom area of ​​the electromagnet 4 is smaller than the bottom area of ​​the chamber 36. The electromagnet 4 can make reciprocating motion in the chamber 36, and the motion direction is perpendicular to the length direction of the electromagnetic protection box 3. Each electromagnet 4 is driven by an independent driving device 5, so that the first electromagnet 41, the second electromagnet 42, and the third electromagnet 43 can be controlled to be in different strokes at the same time. Preferably, the electromagnet 42 lags behind the electromagnet 41 by half of the forward stroke or return stroke, and the electromagnet 43 lags behind the electromagnet 42 by half of the forward stroke or return stroke. The three electromagnets do not interfere with each other, and alternating reciprocating motion is achieved.

[0037] For further information, see Figure 7As shown, one side or both sides of the slide rail plate 35 are provided with a slide rail groove 34 for mounting the electromagnet 4 , and the electromagnet 4 can make a reciprocating motion in the slide rail groove 34 .

[0038] In some embodiments, see Figure 5 , Figure 6 As shown, the electromagnet 4 includes two parallel end plates 46, a plurality of magnetic blocks are arranged in parallel between the two end plates 46, and gaps are left between adjacent magnetic blocks. Each magnetic block generates a strong electromagnetic field by an excitation current. A slide rail 44 is provided on the side of the two end plates 46 facing away from the magnetic block. The electromagnet 4 is assembled to the slide rail groove 34 through the slide rails 44 on both sides to facilitate the movement of the electromagnet 4. When the electromagnet 4 is energized, it provides an electromagnetic field for the magnetic separator.

[0039] The two end plates 46 are connected by a side plate 47. A push frame 45 is provided on the side of the side plate 47 facing away from the magnetic block. A connecting hole 451 is provided on the side of the push frame 45 close to the driving device 5. A screw is provided at the pushing end of the driving device 5. The screw is inserted into the connecting hole 451 and fastened with a nut to realize the connection between the push frame 45 and the driving device 5. The driving device 5 is extended and retracted to drive the electromagnet 4 to move in the chamber 36 through the push frame 45. The pushing ends of the push frame 45 and the driving device 5 can pass through the pushing groove 32. The pushing end of the driving device 5 extends to push the electromagnet 4. At this time, the electromagnet 4 is in the forward stroke. The pushing end of the driving device 5 contracts. At this time, the electromagnet 4 is in the return stroke. The lengths of the forward stroke and the return stroke are equivalent to the width of the magnetic separation plate 2. The starting point of the forward stroke is at the edge of the magnetic separation plate 2 on the side of the tailings area, and the end point, that is, the starting point of the return stroke, is at the edge of the magnetic separation plate 2 on the side of the concentrate area.

[0040] In some embodiments, see Figure 8 As shown, it also includes an adjustment bracket 6, and the electromagnetic protection box 3 is arranged on the adjustment bracket 6. The adjustment bracket 6 can adjust the inclination angle of the electromagnetic protection box 3 and the magnetic separation plate 2. The adjustment bracket 6 includes three telescopic rods 61 and one fixed rod 62. The three telescopic rods 61 and the fixed rod 62 are arranged in a rectangular shape and can be placed upright on the ground or on other tables to support the electromagnetic protection box 3. A sliding beam 66 is arranged between two telescopic rods 61, and a cross beam 65 is arranged between the other telescopic rod 61 and the fixed rod 62. The adjustment bracket 6 also includes two parallel rotating beams 63, one end of the rotating beam 63 is connected to the cross beam 65, and the other end is provided with a sliding groove 67, and the two ends of the sliding beam 66 pass through the corresponding sliding grooves 67 respectively.

[0041] The tops of the telescopic rods 61 and the fixed rods 62 are both provided with a rotating device 64, and both ends of the cross beam 65 and the sliding beam 66 are both installed on the rotating device 64 by screws, and the cross beam 65 and the sliding beam 66 can rotate relative to the screws. When the two telescopic rods 61 installed on one side of the rotating beam 63 are raised and lowered, the inclination angle of the magnetic separation plate 2 in the width direction can be adjusted, so that the ore in the concentrate area can generate a gravity component, and the ore can be returned from the concentrate area to the tailings area. Its function is to make some tailings wrapped and agglomerated by the concentrate be mistakenly pushed to the concentrate area by the electromagnetic force and then return to the tailings area due to the influence of the gravity component. Similarly, the concentrate will also return to the tailings area due to the influence of the gravity component, but after the concentrate returns to the tailings area, it will be pushed to the concentrate area again by the strong magnetic field force, and undergo repeated magnetic separation. During magnetic separation, we can adjust the inclination angle of the magnetic separation plate 2 in the width direction to a suitable angle to ensure the highest ore grade in the concentrate area.

[0042] When the two telescopic rods 61 on which the sliding beam 66 is installed are raised or lowered, the sliding beam 66 will slide relative to the sliding groove 67. At the same time, the rotating beam 63 can rotate on the cross beam 65 to adjust the inclination angle of the magnetic separation plate 2 in the length direction, thereby affecting the movement time of the ore on the magnetic separation plate 2, which is suitable for the separation of ores with different particle sizes.

[0043] The feed hopper 1 can be fixed to the magnetic separation plate 2 by common methods such as welding and screwing, the magnetic separation plate 2 can be fixed to the box cover 31 by common methods such as welding and screwing, and the electromagnetic protection box 3 can be fixed to the rotating beam 63 by common methods such as welding and screwing.

[0044] The dynamic working process and principle of the technology of the present invention: turn on the power of the driving device 5, the driving device 5 pushes the electromagnet 4 to move along the slide rail groove 34, and in the forward stroke, the driving device 5 control circuit connects the excitation current, and the electromagnet 4 generates a strong electromagnetic field. At this time, the ore is put into the feed hopper 1, and the ore falls onto the magnetic separation plate 2 through the feed hopper 1, and moves along the magnetic separation plate 2 to the discharge end under the action of gravity. The ore encounters the moving electromagnet 4 during the movement process, and the concentrate is affected by the strong magnetic field force of the electromagnet 4 in the forward stroke, changes the direction of movement, and moves to the concentrate area. When the electromagnet 4 is in the return stroke, the driving device 5 control circuit disconnects the excitation current, and its magnetic field force disappears, and the concentrate loses the influence of magnetic force. Under the action of gravity, it moves along the magnetic separation plate 2 to the discharge end in the concentrate area. After multiple reciprocating movements of the electromagnet 4, the ore is subjected to multiple magnetic separations until it leaves the magnetic separation plate 2 and is collected. Since the tailings are not affected by the magnetic field force, they continue to move in the original direction until they leave the magnetic separation plate 2 and are collected.

[0045] In order to obtain a better magnetic separation effect, the present invention is designed with three telescopic rods 61. The extension and retraction of the telescopic rods 61 can change the inclination angle of the magnetic separator in the length direction and the width direction. Adjusting the inclination angle in the width direction can change the gravity component of the ore on the magnetic separation plate 2, so that the tailings wrapped and agglomerated by the concentrate and mistakenly pushed to the concentrate area by the strong electromagnetic field have the opportunity to return to the tailings area. At the same time, the concentrate may also return to the tailings area, but due to the reciprocating motion of the electromagnet 4, the concentrate will be pushed to the concentrate area again, thereby removing part of the tailings mistakenly pushed to the concentrate area, thereby improving the grade of the concentrate in the concentrate area. At the same time, each electromagnet 4 of the present invention includes three magnetic blocks, and there is a certain distance between each magnetic block. The distance generates a strong and weak alternating magnetic field between the magnetic blocks, so that when the ore moving on the magnetic separation plate 2 contacts the electromagnetic field, part of the concentrate contacts the strong magnetic field area of ​​the electromagnet 4, and it is pushed to the concentrate area under the action of gravity and the strong magnetic field, and part of the concentrate contacts the weak magnetic field area of ​​the electromagnet 4, and it will continue to move toward the discharge end or toward the concentrate area under the action of gravity and the weak magnetic field, so that when the concentrate is pushed to the concentrate area, it can be distributed more evenly and will not pile up together, reducing the probability that the tailings are entrained and wrapped by the concentrate and mistakenly pushed to the concentrate end. At the same time, the excitation current of the three electromagnets can be controlled separately, and different magnetic field strengths can be set for magnetic separation according to the needs of magnetic separation.

[0046] By adjusting the inclination angle in the length direction, the inclination angle in the width direction, the position of the first paddle 21, the position of the second paddle 22, the forward stroke speed of the drive device 5, the return stroke speed of the drive device 5, and the magnetic field strength and other parameters, the magnetic separation can achieve the best mineral processing effect.

[0047] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A reciprocating electromagnetic separator, characterized in that: The invention comprises an electromagnetic protection box, an electromagnet arranged in the electromagnetic protection box, and a magnetic separation plate arranged on the electromagnetic protection box. One side of the electromagnet is connected to a driving device, and the driving device drives the electromagnet to move perpendicularly to the conveying direction of the magnetic separation plate.

2. A reciprocating electromagnetic separator according to claim 1, characterized in that: One end of the magnetic separation plate is provided with a material trough, and the other end is provided with two partition plates. A paddle is provided at a position of the magnetic separation plate close to the partition plates.

3. A reciprocating electromagnetic separator according to claim 1, characterized in that: The magnetic separation plate is located at one end of the material trough and is equipped with a feed hopper, the discharge port of the feed hopper is connected to the material trough, and the feed hopper is located at one end of the material trough.

4. A reciprocating electromagnetic separator according to claim 1, characterized in that: The electromagnetic protection box is provided with a plurality of slide rail plates arranged in parallel, which separate the interior of the electromagnetic protection box from the feeding end to the discharging end into a plurality of chambers, and each chamber is provided with an electromagnet.

5. A reciprocating electromagnetic separator according to claim 4, characterized in that: The electromagnetic protection box is provided with a plurality of push grooves corresponding to the chambers on one side close to the driving device. A mounting plate is provided under each push groove, and a driving device is provided on the mounting plate. The driving device passes through the corresponding push groove and is connected to the electromagnet in the chamber.

6. A reciprocating electromagnetic separator according to claim 4, characterized in that: One side or both sides of the slide rail plate are provided with a slide rail groove.

7. A reciprocating electromagnetic separator according to claim 1, characterized in that: The electromagnet comprises two end plates arranged in parallel, a plurality of magnetic blocks are arranged in parallel between the two end plates, gaps are left between adjacent magnetic blocks, and slide rails are arranged on the side of the two end plates facing away from the magnetic blocks.

8. A reciprocating electromagnetic separator according to claim 7, characterized in that: The two end plates are connected through a side plate, a push frame is provided on the side of the side plate facing away from the magnetic block, and the push frame is connected to the driving device.

9. A reciprocating electromagnetic separator according to claim 1, characterized in that: It also includes an adjusting bracket, and the electromagnetic protection box is arranged on the adjusting bracket.

10. A reciprocating electromagnetic separator according to claim 9, characterized in that: The adjustment bracket includes three telescopic rods and one fixed rod, and the three telescopic rods and the fixed rod are arranged in a rectangular shape, wherein a sliding beam is arranged between two telescopic rods, and a cross beam is arranged between the other telescopic rod and the fixed rod. The adjustment bracket also includes two parallel arranged rotating beams, one end of the rotating beam is connected to the cross beam, and the other end is provided with a sliding groove, and the two ends of the sliding beam pass through the corresponding sliding grooves respectively.

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