Downstream groove magnetic separator

Abstract

The utility model relates to a magnetic separator, in particular to a concurrent groove magnetic separator, which comprises a base, a screening frame, a waste barrel, a hinge plate and the like. The base is of a frame structure and serves as a bearing carrier of the magnetic separator, the screening frame is arranged at the top of the base, a groove with a circular arc opening is formed in the upper portion in the screening frame, a downward vertical opening is formed in the bottom of the groove in the screening frame, and the waste barrel is arranged on the base. And the waste barrel is located at the opening in the screening frame. The magnet roller is arranged in the arc groove of the screening frame, after water and powdery raw minerals are mixed into mixed liquid, the rolling magnet roller is made to make contact with the mixed liquid, and magnetic mineral powder can be screened out through the magnet roller under the down-flow type magnetic attraction effect; and finally, the magnetic minerals adsorbed on the magnet roller are washed down by spraying water through a material washing frame, and the effect of accurately and efficiently screening the powdery raw ores is achieved.

Description

Technical Field

[0001] The utility model relates to a magnetic separator, in particular to a downstream trough magnetic separator. Background Art

[0002] Magnetic separator is one of the most widely used and versatile machines in the industry. It is suitable for separating materials with different magnetic properties. Magnetic separators are widely used in mining, wood, kiln, chemical, food and other industries. As for the mining industry, magnetic separators are suitable for wet or dry magnetic separation of materials such as manganese ore, magnetite, pyrrhotite, roasted ore, ilmenite, hematite, etc. with a particle size of less than 50mm. They are also used for iron removal operations of materials such as coal, non-metallic minerals, and building materials.

[0003] After searching the patent publication number CN214554419U, a wear-resistant wet magnetic separator drum is disclosed, including a drum body and a motor body, the surface of the drum body is provided with a wear-resistant ring, the surface of the wear-resistant ring is provided with a wear-resistant part, one side of the drum body is fixedly connected with a mounting ring, the interior of the mounting ring is provided with a mounting groove, the interior of the mounting groove is provided with a mounting rod, one side of the mounting rod is provided with a first rotating shaft, the surface of the first rotating shaft is provided with a belt, the surface of the belt is fixedly connected with a second rotating shaft, one side of the second rotating shaft is fixedly connected with a rotating rod, the motor body is fixedly installed on one side of the rotating rod, and the bottom end of the rotating rod is fixedly connected with a support plate.

[0004] The magnetic separator equipment of the above design achieves a certain degree of improved wear resistance during magnetic separation operations by installing a wear-resistant ring on the outside of the roller. However, this device does not effectively alleviate the friction and wear of the material on the wear-resistant ring. Instead, it creates the need for frequent replacement of the wear-resistant ring, significantly increasing the maintenance frequency and cost. At the same time, the associated extended downtime maintenance cycle cannot be ignored. Of particular importance is that the insertion of the wear-resistant ring may have a subtle effect on the magnetic separation effect. Its physical structure and material properties may indirectly weaken the magnetic force between the magnetic material and the roller, thereby potentially affecting the magnetic separation efficiency and product quality. Utility Model Content

[0005] In order to overcome the shortcomings of existing drum wet magnetic separators, such as the need for regular inspection and replacement of wear-resistant rings and wear-resistant parts during use, which complicates the use process and increases maintenance costs, a downstream trough magnetic separator with high sorting efficiency is provided.

[0006] A downstream trough magnetic separator comprises a base, a screening frame, a waste barrel, a hinged plate, a mounting frame, a rotating shaft, a magnet roller, a servo motor, a punching frame, a raw material chamber and a magnetic material chamber. The base is a frame structure and serves as a load-bearing carrier of the magnetic separator. The screening frame is arranged on the top of the base. The upper part of the screening frame is a groove with a circular arc mouth, and the bottom of the groove in the screening frame is a downward vertical opening. The waste barrel is arranged on the base, and the waste barrel is located at the opening inside the screening frame. The hinged plate is rotatably installed at the opening of the waste barrel, the mounting frame is fixedly connected to the front side of the base, and the rotating shaft is rotatably installed at the In the middle of the top side of the screening frame, the magnet roller is installed on the rotating shaft, the servo motor is installed on the top of the mounting frame, and the servo motor is connected to the rotating shaft through a coupling. The raw material chamber is arranged in the left frame body of the screening frame, and a water supply pipe is connected to the outside of the raw material chamber, and the inner wall gap of the raw material chamber is lower than its outer wall. The magnetic material chamber is arranged in the right frame body of the screening frame, and the punching frame is fixedly installed on the top right side of the screening frame through a bracket, and the punching frame is located above the magnetic material chamber. The bottom of the punching frame close to the side of the magnet roller is provided with an opening, and the opening of the punching frame faces and is close to the surface side of the magnet roller.

[0007] It is further explained that the magnet roller is eccentrically arranged in the arc groove inside the screening frame, wherein the side surface of the magnet roller is close to the right side wall of the arc groove.

[0008] It is further explained that the material of the magnet roller is a magnetic material, such as high-performance rare earth magnetic steel.

[0009] It is further explained that a waterproof pad is provided on the outer wall of the waste barrel, the outer wall of the waste barrel is sealed to the inner opening of the screening frame, and the opening of the waste barrel is aligned with the bottom of the groove in the screening frame.

[0010] It is further explained that a water inlet pipe is provided on the punching frame, and the water inlet pipe is installed on the side wall of the punching frame. The water inlet pipe is externally connected to a water pump to continuously supply water to the punching frame.

[0011] It is further explained that an outlet is opened on the lower part of the outer wall of the magnetic material cavity, the bottom of the magnetic material cavity is a downwardly inclined slope, and the baffle is sealed and installed at the outlet.

[0012] It is further explained that grooves are provided on the screening frames on both the front and rear sides of the top of the magnetic material cavity. The length of the grooves covers the entire side of the magnet roller, and the bottoms of the grooves are inclined surfaces tilted toward the magnetic material cavity.

[0013] Further description, it also includes a connecting pipe, a nozzle and a connecting head. The connecting pipe is a curved pipe and is arranged inside the screening frame. The connecting pipe is close to the groove of the screening frame. One end of the connecting pipe is located inside the screening frame, and the other end of the connecting pipe is located outside the top of the screening frame. There are multiple nozzles and they are installed in the connecting pipe. The nozzle passes through the connecting pipe to the groove of the screening frame, and the connecting head is arranged at the outer port of the connecting pipe.

[0014] The beneficial effects of the utility model are as follows: 1. The utility model arranges a magnetic roller in the arc groove of the screening frame, and after mixing water and powdered raw minerals into a mixed liquid, the rolling magnetic roller contacts the mixed liquid, and the magnetic roller can screen out magnetic mineral powder through the downstream magnetic attraction effect. Finally, the magnetic minerals adsorbed on the magnetic roller are washed off by spraying water through the flushing frame, thereby achieving the effect of accurate and efficient screening of powdered raw ore.

[0015] 2. The utility model can provide a connecting pipe and a nozzle in the screening frame, and inject water into the raw mineral mixture through the nozzle, so that the raw mineral can roll up and down in the mixture, so that the rolling magnet roller can fully contact the mixture, further improving the screening accuracy of the raw mineral, thereby improving the purity of the screened magnetic minerals. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0017] Figure 2 This is a structural sectional view of the screening frame and the magnetic roller of the utility model.

[0018] Figure 3 It is a three-dimensional structural diagram of the connecting pipe, nozzle, connecting head and other components of the utility model.

[0019] Figure 4 It is a three-dimensional structural diagram of the base, screening frame, waste barrel and other components of the utility model.

[0020] Markings in the accompanying drawings: 1: base, 2: screening frame, 21: waste barrel, 211: hinged plate, 3: mounting frame, 4: rotating shaft, 5: magnet roller, 6: servo motor, 7: punching frame, 8: water inlet pipe, 9: magnetic material chamber, 10: baffle, 11: raw material chamber, 12: connecting pipe, 13: nozzle, 14: connecting head. DETAILED DESCRIPTION

[0021] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which presently preferred embodiments of the present invention are shown. However, the present invention can be implemented in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and will fully convey the scope of the invention to those skilled in the art.

[0022] Example: A downstream trough magnetic separator, such as Figure 1 、 Figure 3 and Figure 4 As shown, it includes a base 1, a screening frame 2, a waste barrel 21, a hinged plate 211, a mounting frame 3, a rotating shaft 4, a magnet roller 5, a servo motor 6, a punching frame 7, a raw material chamber 11 and a magnetic material chamber 9. The base 1 is a frame structure and serves as a load-bearing carrier of the magnetic separator. The screening frame 2 is arranged on the top of the base 1. The upper part of the screening frame 2 is a groove with a circular arc mouth, and the bottom of the groove in the screening frame 2 is a downward vertical opening. The waste barrel 21 is arranged on the base 1, and the waste barrel 21 is located at the opening inside the screening frame 2. The hinged plate 211 is rotatably installed at the opening of the waste barrel 21. The mounting frame 3 is fixedly connected to the front side of the base 1. The rotating shaft 4 is rotatably installed at the In the middle of the top side of the screening frame 2, the magnet roller 5 is installed on the rotating shaft 4, the servo motor 6 is installed on the top of the mounting frame 3, and the servo motor 6 is connected to the rotating shaft 4 through a coupling. The raw material chamber 11 is arranged in the left frame body of the screening frame 2, and a water supply pipe is connected to the outside of the raw material chamber 11, and the inner wall notch of the raw material chamber 11 is lower than its outer wall. The magnetic material chamber 9 is arranged in the right frame body of the screening frame 2, and the punching frame 7 is fixedly installed on the top right side of the screening frame 2 through a bracket, and the punching frame 7 is located above the magnetic material chamber 9. The bottom of the punching frame 7 close to the side of the magnet roller 5 is provided with an opening, and the opening of the punching frame 7 faces and is close to the surface side of the magnet roller 5.

[0023] like Figure 2 and Figure 4 As shown, the magnet roller 5 is eccentrically arranged in the arc groove inside the screening frame 2, wherein the side of the magnet roller 5 is close to the right side wall of the arc groove; the material of the magnet roller 5 is magnetic material, such as high-performance rare earth magnet steel.

[0024] like Figure 4As shown, a waterproof pad is provided on the outer wall of the waste barrel 21, the outer wall of the waste barrel 21 is sealed with the internal opening of the screening frame 2, and the opening of the waste barrel 21 is aligned with the bottom of the groove in the screening frame 2; the flushing frame 7 is provided with a water inlet pipe 8, and the water inlet pipe 8 is installed on the side wall of the flushing frame 7. The water inlet pipe 8 is connected to an external water pump to continuously supply water to the flushing frame 7, so that the flushing frame 7 can flush the magnetic mineral powder adsorbed on the surface of the magnet roller 5.

[0025] like Figure 1 As shown, an outlet is provided on the lower part of the outer wall of the magnetic material cavity 9, the bottom of the magnetic material cavity 9 is a downwardly inclined slope, and the baffle 10 is sealed and installed at the outlet; grooves are provided on the screening frame 2 on the front and rear sides of the top of the magnetic material cavity 9, the length of the groove covers the entire side of the magnet roller 5, and the bottom of the groove is an inclined surface inclined toward the magnetic material cavity 9.

[0026] like Figure 2 and Figure 3 As shown, it also includes a connecting pipe 12, a nozzle 13 and a connecting head 14. The connecting pipe 12 is a curved pipe and is arranged inside the screening frame 2. The connecting pipe 12 is close to the groove of the screening frame 2. One end of the connecting pipe 12 is located inside the screening frame 2, and the other end of the connecting pipe 12 is located outside the top of the screening frame 2. There are multiple nozzles 13 and they are installed in the connecting pipe 12. The nozzles 13 pass through the connecting pipe 12 to the groove of the screening frame 2. The connecting head 14 is arranged at the outer port of the connecting pipe 12.

[0027] This magnetic separator can be used when dust-like minerals need to be screened. Before use, the operator first injects water into the waste barrel 21 until the water fills the waste barrel 21 and is higher than a certain height. At this time, the filled water level should be lower than the height of the inner wall gap of the raw material chamber 11. Then, the servo motor 6 is enabled. The servo motor 6 drives the rotating shaft 4 to rotate through the coupling. The rotating rotating shaft 4 synchronously drives the magnet roller 5 to rotate at a low speed. At this time, the lower part of the magnet roller 5 will be immersed in the water in the screening frame 2 and rotate counterclockwise. The operator then pours the dust-like ore into the raw material chamber 11, and adds water to the raw material chamber 11 through the water adding pipe. Water, the water added at this time will be mixed with the powdered mineral in the raw material chamber 11, and the mixed liquid after mixing the powdered mineral will flow down from the groove surface of the circular arc mouth in the screening frame 2 when it passes the inner wall gap of the raw material chamber 11, and continuously mix with the injected water in the screening frame 2. The mixed powdered mineral mixed liquid will contact the rotating magnetic roller 5 again. At this time, an external water injection pump is connected through the connector 14, and water is continuously injected into the connecting pipe 12 through the water injection pump. At this time, the water injected into the connecting pipe 12 will be sprayed from multiple nozzles 13 into the mixed liquid in the groove of the circular arc mouth of the screening frame 2, so that the powder mixed in the mixed liquid The magnetic material cavity 9 is filled with powdered magnetic minerals, and the mixed liquid on the surface is driven by the magnetic roller 5, and the mixed liquid on the surface is continuously overflowed from the groove of the circular arc mouth of the screening frame 2 into the magnetic material cavity 9. In this process, the distance between the right inner wall of the groove of the circular arc mouth of the screening frame 2 and the magnetic roller 5 is continuously reduced, so that the magnetic roller 5 can roll and accurately screen out the powdered magnetic minerals in the mixed liquid, and then inject water into the punching frame 7 through the water inlet pipe 8. When the injected water is sprayed out from the bottom opening of the punching frame 7, the sprayed water will flush the surface of the magnet roller 5. The powdered magnetic minerals adsorbed on the surface of the magnet roller 5 can be demagnetized and flow down with the water, and finally flow into the magnetic material chamber 9 for collection under the guidance of the groove on the right side of the screening frame 2. After completing a round of mineral powder screening and stopping the water injection at various places, the operator opens the baffle 10 to collect the mixed liquid of magnetic minerals from the magnetic material chamber 9. After the water is subsequently screened out, the magnetic powdered minerals can be obtained, and the non-magnetic minerals will continue to settle in the waste barrel 21 when standing. The operator can collect the mixed liquid of non-magnetic minerals by turning the hinged plate 211 open, and the non-magnetic powdered minerals can be obtained after the water is subsequently screened out.

[0028] While the present disclosure has been described with respect to only a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised without departing from the scope of the invention. Accordingly, the scope of the invention should be limited only by the claims appended hereto.

Claims

1. A downstream trough magnetic separator, comprising a base (1), a screening frame (2), a waste barrel (21), a hinged plate (211), a mounting frame (3) and a rotating shaft (4), wherein the base (1) is a frame structure and serves as a load-bearing carrier of the magnetic separator, the screening frame (2) is arranged on the top of the base (1), the upper inner portion of the screening frame (2) is a groove with a circular arc mouth, and the bottom of the groove in the screening frame (2) is a downward vertical opening, the waste barrel (21) is arranged on the base (1), and the waste barrel (21) is located at the opening inside the screening frame (2), the hinged plate (211) is rotatably mounted at the opening of the waste barrel (21), the mounting frame (3) is fixedly connected to the front side of the base (1), and the rotating shaft (4) is rotatably mounted on the middle part of the top side of the screening frame (2), and is characterized in that: The invention comprises a magnet roller (5), a servo motor (6), a punching frame (7), a raw material chamber (11) and a magnetic material chamber (9), wherein the magnet roller (5) is mounted on the rotating shaft (4), the servo motor (6) is mounted on the top of the mounting frame (3), and the servo motor (6) is connected to the rotating shaft (4) through a coupling. The raw material chamber (11) is arranged in the left frame body of the screening frame (2), the outer side of the raw material chamber (11) is connected to a water supply pipe, and the inner wall gap of the raw material chamber (11) is lower than its outer wall. The magnetic material chamber (9) is arranged in the right frame body of the screening frame (2), the punching frame (7) is fixedly mounted on the top right side of the screening frame (2) through a bracket, and the punching frame (7) is located above the magnetic material chamber (9), and the bottom of the punching frame (7) close to the magnet roller (5) is provided with an opening.

2. A downstream trough magnetic separator according to claim 1, characterized in that: The magnetic roller (5) is eccentrically arranged in the groove of the circular arc opening inside the screening frame (2), wherein the side of the magnetic roller (5) is close to the right side wall of the groove of the circular arc opening.

3. A downstream trough magnetic separator according to claim 2, characterized in that: The material of the magnet roller (5) is a magnetic material, such as high-performance rare earth magnetic steel.

4. A downstream trough magnetic separator according to claim 3, characterized in that: A waterproof pad is provided on the outer wall of the waste barrel (21), the outer wall of the waste barrel (21) is sealed and fitted with the inner opening of the screening frame (2), and the opening of the waste barrel (21) is aligned with the bottom of the groove in the screening frame (2).

5. A downstream trough magnetic separator according to claim 4, characterized in that: A water inlet pipe (8) is provided on the punching frame (7), and the water inlet pipe (8) is installed on the side wall of the punching frame (7).

6. A downstream trough magnetic separator according to claim 5, characterized in that: It also includes a baffle (10), an outlet is opened on the lower part of the outer wall of the magnetic material cavity (9), the bottom of the magnetic material cavity (9) is a downwardly inclined slope, and the baffle (10) is sealed and installed at the outlet.

7. A downstream trough magnetic separator according to claim 6, characterized in that: Grooves are provided on the screening frame (2) at both the front and rear sides of the top of the magnetic material cavity (9), the length of the grooves covering the entire side of the magnet roller (5), and the bottoms of the grooves are inclined surfaces tilted toward the magnetic material cavity (9).

8. A downstream trough magnetic separator according to claim 7, characterized in that: The invention also includes a connecting pipe (12), a nozzle (13) and a connecting head (14), wherein the connecting pipe (12) is a curved pipe and is arranged inside the screening frame (2), the connecting pipe (12) is close to the groove of the screening frame (2), one end of the connecting pipe (12) is located inside the screening frame (2), and the other end of the connecting pipe (12) is located outside the top of the screening frame (2), a plurality of nozzles (13) are provided and installed in the connecting pipe (12), the nozzles (13) pass through the connecting pipe (12) to the groove of the screening frame (2), and the connecting head (14) is arranged at the outer port of the connecting pipe (12).

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