Efficient double-roller magnetic separation device

Abstract

The utility model discloses an efficient double-roller magnetic separation device which comprises a box body, a permanent magnet roller is arranged in the box body, an arc-shaped permanent magnet is arranged in the permanent magnet roller, an air outlet is formed in the top face in the box body, and the air outlet direction of the air outlet faces the side, provided with the permanent magnet, of the permanent magnet roller. The permanent magnet rollers comprise the first permanent magnet roller and the second permanent magnet roller, the air outlet is formed above the first permanent magnet roller, a wind shield is arranged between the two permanent magnet rollers, the permanent magnets in the two permanent magnet rollers are arranged on the side close to the wind shield, the rotating directions of the two permanent magnet rollers are opposite, and a conveying belt is arranged below the two permanent magnet rollers. According to the magnetic separator, fine non-magnetic substances (such as dust) attached to magnetic substances can be separated, non-magnetic substances clamped on the magnetic substances can be separated from magnetic separation substances, and the magnetic separation effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic separation devices, in particular to a high-efficiency double-roller magnetic separation device. Background Art

[0002] Magnetic separation devices are commonly used in mining, metallurgy, chemical industry, food, pharmaceuticals, environmental protection and other fields. Magnetic separation devices process substances through a specific magnetic field, so that substances with different magnetic properties can be effectively separated under the action of magnetic force.

[0003] During the magnetic separation adsorption process of the existing magnetic separation device, non-magnetic substances (such as dust or non-magnetic substances stuck between multiple magnetic separation substances) will still adhere to the magnetic substances, resulting in poor screening magnetic separation effect. Utility Model Content

[0004] The utility model aims to provide an efficient double-roller magnetic separation device, which can separate fine non-magnetic materials (such as dust) attached to magnetic materials and separate non-magnetic materials stuck on magnetic materials from magnetic separation materials, and has a good magnetic separation effect.

[0005] In order to solve the above technical problems, the utility model adopts the following solutions:

[0006] A high-efficiency double-roller magnetic separation device comprises a box body, a permanent magnetic roller is arranged in the box body, a circular arc-shaped permanent magnet is arranged in the permanent magnetic roller, an air outlet is arranged on the top surface of the box body, and the air outlet direction of the air outlet is toward the side of the permanent magnetic roller where the permanent magnet is arranged. Its function is that through the arrangement of the air outlet, fine non-magnetic substances (such as dust) attached to the magnetic substance can be separated, and the magnetic separation effect is good.

[0007] Furthermore, the permanent magnet roller includes a first permanent magnet roller and a second permanent magnet roller, the air outlet is arranged above the first permanent magnet roller, a windshield is arranged between the two permanent magnet rollers, the permanent magnets in the two permanent magnet rollers are arranged on the side close to the windshield, the two permanent magnet rollers rotate in opposite directions, and a conveyor belt is arranged under the two permanent magnet rollers. The conveyor belt is used to transport the material from under the first permanent magnet roller to under the second permanent magnet roller, the rotating shaft of the conveyor belt is arranged parallel to the rotating shaft of the permanent magnet roller, the width of the conveyor belt is not less than the width of the permanent magnet roller, and the width of the windshield is greater than the width of the conveyor belt. Its function is that, through the setting of the windshield, it can prevent the fine non-magnetic material blown off by the air outlet from being blown onto the second permanent magnet roller, and at the same time, it can make the fine non-magnetic material blown onto the windshield diffuse from the middle to both sides to the outside of the conveyor belt.

[0008] Furthermore, a rotating drum is provided between the first permanent magnetic roller and the conveyor belt. The rotating drum is tilted, the inlet of the rotating drum is higher than the outlet of the rotating drum, and the outlet of the rotating drum is located between the first permanent magnetic roller and the conveyor belt. A guide plate is provided between the side of the first permanent magnetic roller where no permanent magnet is provided and the inner wall of the box body. The guide plate (8) is used to collect and guide the magnetic material that has been magnetically separated and adsorbed by the first permanent magnetic roller (2), and the bottom end of the guide plate faces the inlet of the rotating drum. The rotating shaft of the rotating body is arranged perpendicular to the rotating shaft of the conveyor belt. Its function is that, through the arrangement of the rotating drum, the magnetic material entering the rotating drum can be caused to roll, thereby shaking off the non-magnetic material stuck on the magnetic material; through the arrangement of the guide plate, the magnetic material falling from the first permanent magnetic roller can fall to the inlet of the rotating drum.

[0009] Furthermore, the guide plate includes a connecting portion connected to the inner wall of the box body and a guide portion for receiving the material that has been magnetically adsorbed by the first permanent magnet roller. The longitudinal section of the guide portion is a concave arc shape, and the bottom end of the guide portion is located directly below the first permanent magnet roller.

[0010] Furthermore, a material collecting portion is provided between the guide portion and the connecting portion, and the material collecting portion is in an upwardly convex arc shape. Its function is to gradually reduce the distance between the guide plate and the first permanent magnetic roller from top to bottom through the setting of the material collecting portion, so as to facilitate the collection of magnetic materials dropped from the first permanent magnetic roller.

[0011] Furthermore, a support rod is connected between the guide plate and the inner wall of the box and is arranged obliquely with respect to the inner wall of the box. The function of the support rod is to prevent the magnetic material from hitting the guide plate and causing damage to the guide plate.

[0012] Furthermore, a feed channel is provided on the top of the box, a feed plate is provided below the feed channel, the feed plate is inclined from top to bottom toward the first permanent magnet roller, and the bottom end of the feed plate is located directly above the area in the first permanent magnet roller where the permanent magnet is provided. Its function is that, through the setting of the feed plate and its spatial position, the material entering the box can directly fall into the area on the first permanent magnet roller where the permanent magnet is provided, and directly undergo magnetic separation.

[0013] Furthermore, the air outlet is inclined from top to bottom toward the feed plate, and the bottom end of the air outlet is located directly above the area where the permanent magnet is provided in the first permanent magnet roller. Its function is to blow out some fine non-magnetic materials through the feed channel by setting the direction of the air outlet.

[0014] Furthermore, a discharge plate connected to the outside of the box is provided on the side wall of the box body adjacent to the second permanent magnet roller, the discharge plate is inclined from top to bottom toward the outside of the box body, and the top of the discharge plate is located directly below the area of ​​the second permanent magnet roller where no permanent magnet is provided. Its function is to facilitate the collection of magnetic substances after magnetic separation through the provision of the discharge plate.

[0015] Furthermore, a discharge trough is provided in the box body, and the discharge trough is provided just below the end of the conveyor belt. Its function is to facilitate the collection of non-magnetic materials after magnetic separation through the setting of the discharge trough.

[0016] The utility model has the beneficial effects:

[0017] 1. Through the setting of the air outlet, the fine non-magnetic substances (such as dust) attached to the magnetic substances can be separated, and the magnetic separation effect is good;

[0018] 2. The windshield can prevent the small non-magnetic materials blown off by the air outlet from being blown onto the second permanent magnetic roller, and at the same time, the small non-magnetic materials blown onto the windshield can be diffused from the middle to both sides to the outside of the conveyor belt;

[0019] 3. By setting the rotating drum, the magnetic material entering the rotating drum can be rolled, thereby shaking off the non-magnetic material stuck on the magnetic material, thereby achieving the effect of separating the magnetic material from the non-magnetic material. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of Example 1.

[0021] Figure numerals: 1. box body; 2. permanent magnet roller; 201. first permanent magnet roller; 202. second permanent magnet roller; 3. permanent magnet; 4. air outlet; 5. wind shield; 6. conveyor belt; 7. rotating drum; 8. guide plate; 801. guide part; 802. connecting part; 803. collecting part; 9. support rod; 10. feed channel; 11. feed plate; 12. discharge plate; 13. discharge trough. DETAILED DESCRIPTION

[0022] The present invention will be further described in detail below in conjunction with the embodiments and drawings, but the implementation manner of the present invention is not limited thereto.

[0023] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inside", "outside", "front", "back", "top", "bottom", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "open", "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example 1

[0026] A high-efficiency double-roll magnetic separation device, such as Figure 1 As shown, it includes a box body 1, a permanent magnet drum 2 is arranged in the box body 1, a circular arc-shaped permanent magnet 3 is arranged in the permanent magnet drum 2, and an air outlet 4 is arranged on the top surface of the box body 1, and the air outlet direction of the air outlet 4 is toward the side of the permanent magnet drum 2 where the permanent magnet 3 is arranged. The air outlet 4 is connected to the fan (not shown in the figure), and the fan is a common prior art and is not described in detail. Its function is that through the setting of the air outlet 4, fine non-magnetic substances (such as dust) attached to the magnetic material can be separated, and the magnetic separation effect is good.

[0027] Specifically, Figure 1 As shown, the permanent magnet roller 2 includes a first permanent magnet roller 201 and a second permanent magnet roller 202, an air outlet 4 is arranged above the first permanent magnet roller 201, a windshield 5 is arranged between the two permanent magnet rollers 2, the permanent magnets 3 in the two permanent magnet rollers 2 are arranged on the side adjacent to the windshield 5, the two permanent magnet rollers 2 rotate in opposite directions, and a conveyor belt 6 is arranged below the two permanent magnet rollers 2. The conveyor belt 6 is used to transport the material from the bottom of the first permanent magnet roller 201 to the bottom of the second permanent magnet roller 202, the rotating shaft of the conveyor belt 6 is arranged parallel to the rotating shaft of the permanent magnet roller 2, the width of the conveyor belt 6 is not less than the width of the permanent magnet roller 2, and the width of the windshield 5 is greater than the width of the conveyor belt 6. The first permanent magnet roller 201 rotates clockwise, and the second permanent magnet roller 202 and the conveyor belt 6 rotate counterclockwise. Its function is that, through the setting of the wind shield 5, the fine non-magnetic matter blown off by the air outlet 4 can be prevented from being blown onto the second permanent magnetic roller 202, and at the same time, the fine non-magnetic matter blown onto the wind shield 5 can be diffused from the middle to both sides to the outside of the conveyor belt 6.

[0028] Specifically, Figure 1As shown, a rotary drum 7 is provided between the first permanent magnet roller 201 and the conveyor belt 6. The rotary drum 7 is tilted, the inlet of the rotary drum 7 is higher than the outlet of the rotary drum 7, and the outlet of the rotary drum 7 is located between the first permanent magnet roller 201 and the conveyor belt 6. A guide plate 8 is provided between the side of the first permanent magnet roller 201 where the permanent magnet 3 is not provided and the inner wall of the box body 1. The guide plate 8 is used to collect and guide the magnetic material that has been magnetically adsorbed by the first permanent magnet roller 2. The bottom end of the guide plate 8 faces the inlet of the rotary drum 7. The rotating shaft of the rotating body is perpendicular to the rotating shaft of the conveyor belt 6. The working principle of the rotary drum 7 is the same as that of the rotary kiln in the prior art. A gear ring is provided on the outer wall of the rotary drum 7. The rotary drum 7 can be controlled to rotate around its own axis by meshing the gear connected to the motor with the gear ring. Its function is that, through the setting of the rotating drum 7, the magnetic material entering the rotating drum 7 can be rolled, thereby shaking off the non-magnetic material stuck on the magnetic material; through the setting of the guide plate 8, the magnetic material falling from the first permanent magnetic roller 201 can fall to the entrance of the rotating drum 7.

[0029] Specifically, Figure 1 As shown, the guide plate 8 includes a connecting portion 802 connected to the inner wall of the box body 1 and a guide portion 801 for receiving the material that has been magnetically separated and adsorbed by the first permanent magnetic roller 201. The longitudinal section of the guide portion 801 is a concave arc shape, and the bottom end of the guide portion 801 is located directly below the first permanent magnetic roller 201.

[0030] Specifically, Figure 1 As shown, a material collecting portion 803 is provided between the guide portion 801 and the connecting portion 802, and the material collecting portion 803 is in an upwardly convex arc shape. Its function is to gradually reduce the distance between the guide plate 8 and the first permanent magnetic roller 201 from top to bottom through the setting of the material collecting portion 803, so as to facilitate the collection of magnetic materials dropped from the first permanent magnetic roller 201.

[0031] Specifically, Figure 1 As shown, a support rod 9 is connected between the guide plate 8 and the inner wall of the box body 1 and is arranged obliquely with the inner wall of the box body 1. Its function is to prevent the magnetic material from hitting the guide plate 8 and causing damage to the guide plate 8 through the arrangement of the support rod 9.

[0032] Specifically, Figure 1 As shown, a feed channel 10 is provided on the top of the box body 1, and a feed plate 11 is provided below the feed channel 10. The feed plate 11 is inclined from top to bottom toward the first permanent magnet roller 201, and the bottom end of the feed plate 11 is located directly above the area where the permanent magnet 3 is provided in the first permanent magnet roller 201. Its function is that, through the setting of the feed plate 11 and its spatial position, the material entering the box body 1 can directly fall into the area with the permanent magnet 3 on the first permanent magnet roller 201, and directly undergo magnetic separation.

[0033] Specifically, Figure 1 As shown, the air outlet 4 is inclined from top to bottom toward the feed plate 11, and the bottom end of the air outlet 4 is located directly above the area where the permanent magnet 3 is provided in the first permanent magnet roller 201. Its function is to blow out some fine non-magnetic materials through the feed channel 10 through the setting of the direction of the air outlet 4.

[0034] Specifically, Figure 1 As shown, a discharge plate 12 connected to the outside of the box body 1 is provided on the side wall adjacent to the second permanent magnet roller 202 in the box body 1, and the discharge plate 12 is inclined from top to bottom toward the outside of the box body 1, and the top of the discharge plate 12 is located directly below the area where no permanent magnet is provided in the second permanent magnet roller 202. Its function is to facilitate the collection of magnetic substances after magnetic separation through the provision of the discharge plate 12.

[0035] Specifically, Figure 1 As shown, a discharge chute 13 is provided in the box body 1, and the discharge chute 13 is arranged just below the end of the conveyor belt 6. Its function is to facilitate the collection of non-magnetic materials after magnetic separation through the arrangement of the discharge chute 13.

[0036] The working principle of this embodiment is described as follows: first, the material to be magnetically separated is poured into the box body 1 from the feed channel 10, and the material falls onto the first permanent magnetic roller 201 after being guided by the feed plate 11. The magnetic material is adsorbed onto the first permanent magnetic roller 201, and the non-magnetic material falls downward from the left side of the first permanent magnetic roller 201 onto the transmission belt. At the same time, the wind blown out of the air outlet 4 blows off the fine non-magnetic material attached to the magnetic material, so that the magnetic material is separated from the fine non-magnetic material. After the first permanent magnetic roller 201 carries the magnetic material through the corresponding area of ​​the permanent magnet 3 in the top of the first permanent magnetic roller 201, the magnetic material falls from the right side of the first permanent magnetic roller 201. It falls sideways onto the guide plate 8 and then falls into the rotating drum 7. When the rotating drum 7 rotates, the non-magnetic material stuck on the magnetic material is separated from the magnetic material. Then the material in the rotating drum 7 falls onto the conveyor belt 6 and is transported to the bottom of the second permanent magnet roller 202. The second permanent magnet roller 202 adsorbs the magnetic material on the conveyor belt 6 to the surface of the second permanent magnet roller 202. After the second permanent magnet roller 202 rotates counterclockwise to carry the magnetic material through the corresponding area of ​​the permanent magnet 3 in the top of the second permanent magnet roller 202, the magnetic material falls from the left side of the second permanent magnet roller 202 onto the discharge plate 12 and is discharged. The non-magnetic material is transported to the discharge trough 13 via the conveyor belt 6 for collection.

[0037] The above is only a preferred embodiment of the utility model and does not limit the utility model in any form. According to the technical essence of the utility model, within the spirit and principles of the utility model, any simple modification, equivalent replacement and improvement made to the above embodiment still falls within the protection scope of the technical solution of the utility model.

Claims

1. A high-efficiency double-roller magnetic separation device, comprising a housing (1), wherein a permanent magnetic roller (2) is arranged in the housing (1), and an arc-shaped permanent magnet (3) is arranged in the permanent magnetic roller (2), characterized in that: An air outlet (4) is provided on the inner top surface of the box body (1), and the air outlet direction of the air outlet (4) is toward the side of the permanent magnet drum (2) on which the permanent magnet (3) is provided.

2. A high-efficiency double-roll magnetic separation device according to claim 1, characterized in that: The permanent magnet roller (2) comprises a first permanent magnet roller (201) and a second permanent magnet roller (202); an air outlet (4) is arranged above the first permanent magnet roller (201); a windshield (5) is arranged between the two permanent magnet rollers (2); the permanent magnets (3) in the two permanent magnet rollers (2) are arranged on a side adjacent to the windshield (5); the two permanent magnet rollers (2) rotate in opposite directions; and a conveyor belt (6) is arranged below the two permanent magnet rollers (2).

3. A high-efficiency double-roll magnetic separation device according to claim 2, characterized in that: A rotating drum (7) is provided between the first permanent magnetic drum (201) and the conveyor belt (6); the rotating drum (7) is arranged obliquely; the inlet of the rotating drum (7) is higher than the outlet of the rotating drum (7); the outlet of the rotating drum (7) is located between the first permanent magnetic drum (201) and the conveyor belt (6); a guide plate (8) is provided between the side of the first permanent magnetic drum (201) where the permanent magnet (3) is not provided and the inner wall of the box body (1); the guide plate (8) is used to collect and guide the magnetic material that has been magnetically separated and adsorbed by the first permanent magnetic drum (201); the bottom end of the guide plate (8) faces the inlet of the rotating drum (7).

4. A high-efficiency double-roll magnetic separation device according to claim 3, characterized in that: The guide plate (8) comprises a connecting portion (802) connected to the inner wall of the box body (1) and a guide portion (801) for receiving materials that have been magnetically separated and adsorbed by the first permanent magnetic roller (201); the longitudinal section of the guide portion (801) is in a concave arc shape, and the bottom end of the guide portion (801) is located directly below the first permanent magnetic roller (201).

5. A high-efficiency double-roll magnetic separation device according to claim 4, characterized in that: A material collecting portion (803) is provided between the guide portion (801) and the connecting portion (802), and the material collecting portion (803) is in an upwardly convex arc shape.

6. A high-efficiency double-roll magnetic separation device according to claim 5, characterized in that: A support rod (9) is connected between the guide plate (8) and the inner wall of the box body (1) and is arranged obliquely with respect to the inner wall of the box body (1).

7. A high-efficiency double-roll magnetic separation device according to claim 2, characterized in that: A feed channel (10) is provided at the top of the box body (1), and a feed plate (11) is provided below the feed channel (10). The feed plate (11) is inclined from top to bottom in the direction of the first permanent magnet roller (201), and the bottom end of the feed plate (11) is located directly above an area in the first permanent magnet roller (201) where the permanent magnet (3) is provided.

8. A high-efficiency double-roll magnetic separation device according to claim 7, characterized in that: The air outlet (4) is inclined from top to bottom in the direction of the feed plate (11), and the bottom end of the air outlet (4) is located directly above the area where the permanent magnet (3) is provided in the first permanent magnet roller (201).

9. A high-efficiency double-roll magnetic separation device according to claim 2, characterized in that: A discharge plate (12) connected to the outside of the box body (1) is provided on the side wall adjacent to the second permanent magnet roller (202) inside the box body (1), the discharge plate (12) is inclined from top to bottom toward the outside of the box body (1), and the top end of the discharge plate (12) is located directly below the area in the second permanent magnet roller (202) where no permanent magnet is provided.

10. A high-efficiency double-roll magnetic separation device according to claim 2, characterized in that: The box body (1) is provided with a discharge chute (13), and the discharge chute (13) is arranged directly below the end of the conveyor belt (6).

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