Tailing magnetic separator capable of reducing medium consumption

Abstract

The utility model relates to the technical field of magnetic separators, in particular to a tailing magnetic separator capable of reducing medium consumption, which comprises a magnetic separator body, support plates are fixedly connected to two sides of one end of the magnetic separator body; a scraping plate capable of being in contact with a roller of the magnetic separator body is arranged between the supporting plates on the two sides; a bracket is bolted on one side, close to the magnetic separator body, of one side, close to the magnetic separator body, of one side, close to the supporting plates; a water spraying pipe is connected to the top between the supports on the two sides in a bolted mode. The scraper is in contact with the outer wall of the roller and scrapes the magnetic concentrate from the outer wall of the roller to fall into a concentrate tank; meanwhile, the high-pressure water pump pumps out clean water in the water storage tank and conveys the clean water into the water spraying pipe, the clean water is sprayed out by the high-pressure spray head at the bottom of the water spraying pipe to form high-pressure water flow, and the high-pressure water flow impacts the outer wall of a roller of the magnetic separator body, so that magnetic concentrate which is not scraped by the scraper enters a concentrate tank under the impact action of the high-pressure water flow, and concentrate loss is avoided; and the medium consumption is reduced.

Description

Technical Field

[0001] This utility model relates to the field of magnetic separator technology, specifically a tailings magnetic separator that reduces media consumption. Background Technology

[0002] Magnetic separators are important media recovery equipment in heavy media coal preparation plants. They are specialized equipment that uses magnetic force to separate magnetic minerals. They are mainly used to recover magnetic materials in dilute media suspensions, and the quality of their magnetic separation has a great influence on the amount of media consumed.

[0003] The magnetic separation process of a magnetic separator mainly includes the following stages: Feeding stage: The slurry enters the separation tank through the feed box. Under the action of water flow from the spray pipe, the mineral particles are dispersed into a loose state and enter the magnetic field area; Separation stage: Magnetic minerals form "magnetic clusters" or "magnetic chains" in the magnetic field and are adsorbed onto the surface of the drum by magnetic force; Unloading stage: The magnetic concentrate rotates with the drum to the weak magnetic zone and is then scraped into the concentrate trough by the scraper; thus achieving the separation of minerals.

[0004] However, due to varying degrees of wear on the magnetic separator drum, the scraper cannot remove all the adsorbed media, resulting in some media being carried back into the sorting tank and lost in the tailings under the impact of the slurry, thus increasing media consumption.

[0005] Therefore, a tailings magnetic separator with reduced media consumption is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: The tailings magnetic separator of this utility model with reduced media consumption includes a magnetic separator body; support plates are fixedly connected to both sides of one end of the magnetic separator body; a scraper is arranged between the two support plates that can contact the drum of the magnetic separator body; a bracket is bolted to the side of the support plates that is close to each other and the side that is close to the magnetic separator body; a water spray pipe is bolted to the top between the two brackets; the middle part of the water spray pipe is connected to a water storage tank with a high-pressure water pump through a hose; the spray end of the water spray pipe faces the contact point between the scraper and the drum of the magnetic separator body.

[0008] Preferably, a rotating rod is rotatably mounted at the top between the two side support plates; the scraper is fixed to the outer ring of the rotating rod; a support strip is bolted to the middle of the two side support plates, on the side of the drum away from the magnetic separator body; a connecting rod is rotatably mounted on the side of the scraper near the support strip; and multiple springs are evenly arranged between the connecting rod and the support strip.

[0009] Preferably, a rubber scraper is bolted to the bottom of the scraper; the rubber scraper can contact the outer wall of the drum of the magnetic separator body.

[0010] Preferably, the bottom of the magnetic separator body is connected to an underflow pipe; a valve body is bolted to a section of the underflow pipe away from the magnetic separator body; an adjusting hose is provided inside the valve body; an internally threaded pipe is fixed to the top surface of the middle part of the valve body; a lead screw is installed in the internal thread of the internally threaded pipe; a pressure head is rotatably installed at the bottom end of the lead screw; the pressure head can press down the adjusting hose.

[0011] Preferably, a telescopic guide rod is fixedly connected between the pressure head and both sides of the inner top surface of the valve body.

[0012] Preferably, a hose connector is slidably installed on the inner ring of both ends of the valve body; the end of the adjusting hose is inserted into the outer ring of the hose connector; the end of the hose connector near the adjusting hose and both ends of the valve body are provided with multiple slots; the slots on the hose connector correspond to the slots on the valve body; and connecting blocks are bolted inside the corresponding two slots.

[0013] Preferably, a hose clamp is fitted around the outer edge of the hose connector near the end of the regulating hose; the hose clamp is capable of compressing the regulating hose.

[0014] The advantages of this utility model are:

[0015] 1. The tailings magnetic separator of this utility model with reduced media consumption is provided by setting up a support plate, scraper, bracket and water spray pipe; the scraper contacts the outer wall of the drum and scrapes the magnetic concentrate off the outer wall of the drum and into the concentrate trough; at the same time, the high-pressure water pump draws clean water from the water storage tank and delivers it to the water spray pipe, and then sprays it out from the high-pressure nozzle at the bottom of the water spray pipe to form a high-pressure water flow. The high-pressure water flow impacts the outer wall of the drum of the magnetic separator body, so that the magnetic concentrate that was not scraped off by the scraper enters the concentrate trough under the impact of the high-pressure water flow, thereby avoiding concentrate loss and reducing media consumption.

[0016] 2. The tailings magnetic separator of this utility model with reduced media consumption is configured with a valve body, regulating hose, internal threaded pipe, screw, and lower pressure head. When adjusting the flow rate of the underflow pipe, the operator rotates the screw, which rotates and rises and falls along the internal threaded pipe, driving the lower pressure head to rise and fall. When the lower pressure head moves downward, it presses down on the regulating hose, flattening and narrowing the middle of the regulating hose, reducing the flow rate in the regulating hose and reducing the overflow flow inside the magnetic separator body. When the lower pressure head moves upward, it releases the regulating hose, allowing the middle of the regulating hose to return to its original position, increasing the flow rate in the regulating hose and increasing the overflow flow inside the magnetic separator body. This facilitates the control and adjustment of the overflow flow of tailings in the magnetic separator, thereby improving the separation effect. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 This is a three-dimensional structural diagram of the scraper and water spray pipe in this utility model;

[0020] Figure 3 This is an exploded structural diagram of the scraper and water spray pipe in this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the scraper and rubber scraper in this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the support strip, connecting rod, and spring in this utility model;

[0023] Figure 6 This is a three-dimensional structural diagram of the valve body in this utility model;

[0024] Figure 7 This is a cross-sectional view of the valve body, internal threaded pipe, and lead screw in this utility model.

[0025] Figure 8 This is a cross-sectional view of the end of the valve body in this utility model.

[0026] Figure 9 This is an exploded structural diagram of the valve body in this utility model;

[0027] Figure 10 This is a three-dimensional structural diagram of the telescopic guide rod in this utility model;

[0028] Figure 11 This is a schematic diagram of the valve body in this utility model;

[0029] Figure 12 This is a three-dimensional structural diagram of the hose connector, connecting block, and hose clamp in this utility model.

[0030] In the diagram: 1. Magnetic separator body; 2. Support plate; 3. Scraper; 4. Bracket; 5. Water spray pipe; 6. Rotating rod; 7. Support bar; 8. Connecting rod; 9. Spring; 10. Rubber scraper; 11. Underflow pipe; 12. Valve body; 13. Adjusting hose; 14. Internally threaded pipe; 15. Lead screw; 16. Lower pressure head; 17. Connecting seat; 18. Telescopic guide rod; 19. Hose connector; 20. Groove; 21. Connecting block; 22. Pipe clamp. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0032] like Figures 1 to 3 As shown, a tailings magnetic separator with reduced media consumption includes a magnetic separator body 1; support plates 2 are fixedly connected to both sides of one end of the magnetic separator body 1; a scraper 3 is arranged between the two support plates 2, which can contact the drum of the magnetic separator body 1; a bracket 4 is bolted to the side of the support plates 2 that is close to each other and the side that is close to the magnetic separator body 1; a water spray pipe 5 is bolted to the top between the two brackets 4; the middle part of the water spray pipe 5 is connected to a water storage tank with a high-pressure water pump through a hose; the spray end of the water spray pipe 5 faces the contact point between the scraper 3 and the drum of the magnetic separator body 1.

[0033] Specifically, a feed box is provided at one end of the magnetic separator body 1, and a concentrate trough is provided at the other end; the support plates 2 on both sides are fixed above the concentrate trough; a drum is provided in the middle of the magnetic separator body 1, and the drum is driven to rotate by a motor.

[0034] The bracket 4 is fixed to the support plate 2 by bolts, and the top of the bracket 4 faces the top of the drum of the magnetic separator body 1; the top of the bracket 4 has a through hole; both ends of the water spray pipe 5 are fixed with screws, and the screws pass through the through hole at the top of the bracket 4; the outer thread of the screw is fitted with a nut to fix and lock the water spray pipe 5 to the bracket 4; the bottom thread of the water spray pipe 5 is fitted with multiple high-pressure nozzles, and the outlet of the high-pressure nozzles is aligned with the contact point between the scraper 3 and the drum of the magnetic separator body 1; the water spray pipe 5 is connected to the outlet of the high-pressure water pump through a hose, and the inlet of the high-pressure water pump is connected to the water storage tank;

[0035] The slurry enters the separation tank through the feed box of the magnetic separator body 1. The mineral particles are dispersed into a loose state and enter the magnetic field area under the action of water flow. Magnetic minerals are adsorbed onto the surface of the drum under the action of magnetic force. At the same time, the motor drives the drum to rotate, and the drum carries the magnetic concentrate to the concentrate trough, where the drum is in a weak magnetic zone. The scraper 3 contacts the outer wall of the drum and scrapes the magnetic concentrate off the outer wall of the drum, which falls into the concentrate trough. At the same time, the high-pressure water pump draws clean water from the water storage tank and delivers it to the water spray pipe 5. The high-pressure water is then sprayed out by the high-pressure nozzle at the bottom of the water spray pipe 5 to form a high-pressure water flow. The high-pressure water flow impacts the outer wall of the drum of the magnetic separator body 1, so that the magnetic concentrate that was not scraped off by the scraper 3 enters the concentrate trough under the impact of the high-pressure water flow, thereby avoiding concentrate loss and reducing media consumption.

[0036] In some embodiments, such as Figures 2 to 5 As shown, a rotating rod 6 is rotatably installed at the top between the two support plates 2; the scraper 3 is fixed to the outer ring of the rotating rod 6; a support strip 7 is bolted to the middle of the two support plates 2, away from the drum side of the magnetic separator body 1; a connecting rod 8 is rotatably installed on the side of the scraper 3 near the support strip 7; a plurality of springs 9 are evenly arranged between the connecting rod 8 and the support strip 7;

[0037] Specifically, a bearing seat is fixed to the top of the support plate 2, the two ends of the rotating rod 6 are set inside the bearing seat, and a bearing is set between the rotating rod 6 and the bearing seat; the scraper 3 is fixedly installed on the outer ring of the rotating rod 6 by screws; the two ends of the support strip 7 are fixedly connected to the two side support plates 2 by bolts respectively.

[0038] One end of the spring 9 is fixedly connected to a rotating seat, and the rotating seat is rotatably mounted on the outer ring of the rotating rod 6. The other end of the spring 9 is fixedly connected to a base, and a screw is evenly fixedly connected to the side of the base away from the spring 9. A nut is installed on the outer ring thread of the screw. Straight slots matching the screw on the base of the spring 9 are evenly opened on the support plate 7.

[0039] The spring 9 is supported by the support plate 7. The spring 9 pushes the connecting rod 8 to move towards the drum of the magnetic separator body 1, and adjusts the scraper 3 to drive the rotating rod 6 to rotate, so that the bottom of the scraper 3 is always in contact with the outer wall of the drum of the magnetic separator body 1; thereby effectively improving the scraping effect of the scraper 3.

[0040] In some embodiments, such as Figures 2 to 4 As shown, a rubber scraper 10 is bolted to the bottom of the scraper 3; the rubber scraper 10 can contact the outer wall of the drum of the magnetic separator body 1;

[0041] Specifically, a stepped groove is provided on the bottom side of the scraper 3 and the top side of the rubber scraper 10; multiple through holes are provided at corresponding positions of the stepped groove of the scraper 3 and the stepped groove of the rubber scraper 10, and bolts are provided inside the through holes; the rubber scraper 10 and the scraper 3 are fixed and locked together by bolts.

[0042] By having the rubber scraper 10 contact the drum of the magnetic separator body 1 to scrape away the magnetic concentrate, not only is the wear of the drum of the magnetic separator body 1 reduced, but the rubber scraper 10 is also easy to replace, so as to ensure the scraping effect.

[0043] In some embodiments, such as Figure 1 , Figure 6 , Figure 7 , Figure 9 and Figure 11 As shown, the bottom of the magnetic separator body 1 is connected to an underflow pipe 11; a valve body 12 is bolted to a section of the underflow pipe 11 away from the magnetic separator body 1; an adjusting hose 13 is provided inside the valve body 12; an internally threaded pipe 14 is fixedly connected to the top surface of the middle part of the valve body 12; a lead screw 15 is installed in the internal thread of the internally threaded pipe 14; a pressure head 16 is rotatably installed at the bottom end of the lead screw 15; the pressure head 16 can press down the adjusting hose 13.

[0044] Specifically, the medium is conveyed into the interior of the magnetic separator body 1 through the underflow pipe 1 to achieve sufficient dilution of the slurry and improve the separation effect;

[0045] The bottom of the valve body 12 is a horizontal tube, and flanges are fixed to both ends of the tube. A storage box is fixed to the top side of the middle part of the tube of the valve body 12. The top surface of the storage box is open, and a sealing cap is bolted to the top surface of the storage box. An internally threaded tube 14 is fixed to the middle of the top surface of the sealing cap at the top of the valve body 12, and the inner ring of the internally threaded tube 14 connects to the inside of the storage box of the valve body 12. The lower pressure head 16 is located inside the storage box of the valve body 12 and can move up and down along the storage box of the valve body 12. The lower pressure head 16 has a semi-elliptical columnar structure. The semi-circular head of the lower pressure head 16 is vertically downward, and the top of the lower pressure head 16 is concave to form an inner cavity. The semi-circular structure of the lower pressure head 16 matches the inner ring of the tube of the valve body 12.

[0046] A connecting seat 17 is bolted to the middle of the bottom surface of the inner cavity of the lower pressure head 16. A rotating groove is opened in the middle of the top surface of the connecting seat 17. The bottom outer ring of the lead screw 15 is rotatably installed in the rotating groove of the connecting seat 17 through a bearing.

[0047] The regulating hose 13 is installed inside the tube of the valve body 12, and both ends of the regulating hose 13 are fixedly connected to both ends of the tube of the valve body 12, and the middle part of the regulating hose 13 can be compressed.

[0048] In actual production, the tailings of the magnetic separator must have a certain overflow to achieve a good separation effect. The overflow of the tailings of the magnetic separator is achieved by adjusting the flow rate through the underflow pipe 11.

[0049] When adjusting the flow rate of the underflow pipe 11, the operator rotates the lead screw 15, which rotates and rises and falls along the internal threaded pipe 14, causing the lower pressure head 16 to rise and fall. When the lower pressure head 16 moves downward, it presses down on the regulating hose 13, causing the middle part of the regulating hose 13 to be flattened and narrowed, reducing the flow rate in the regulating hose 13 and reducing the overflow flow inside the magnetic separator body 1. When the lower pressure head 16 moves upward, it releases the regulating hose 13, causing the middle part of the regulating hose 13 to return to its original position, increasing the flow rate in the regulating hose 13 and increasing the overflow flow inside the magnetic separator body 1. This makes it easier to control and adjust the overflow flow of the tailings in the magnetic separator, thereby improving the separation effect.

[0050] Furthermore, such as Figure 7 , Figure 9 and Figure 10 As shown, telescopic guide rods 18 are fixedly connected between the lower pressure head 16 and both sides of the inner top surface of the valve body 12;

[0051] Specifically, the telescopic guide rod 18 includes an inner rod and an outer cylinder. The bottom of the outer cylinder is bolted to both sides of the bottom surface of the inner cavity of the pressure head 16, and the top of the inner rod is bolted to the bottom surface of the sealing cover of the valve body 12. The inner rod is slidably disposed inside the outer cylinder. The telescopic guide rod 18 guides the lifting and lowering of the pressure head 16, thereby improving the stability of the pressure adjustment hose 13 of the pressure head 16.

[0052] Furthermore, such as Figures 6 to 12 As shown, hose connectors 19 are slidably installed on the inner rings of both ends of the valve body 12; the end of the adjusting hose 13 is inserted into the outer ring of the hose connector 19; multiple slots 20 are provided around the end of the hose connector 19 near the adjusting hose 13 and both ends of the valve body 12; the slots 20 on the hose connector 19 correspond to the slots 20 on the valve body 12; connecting blocks 21 are bolted inside the corresponding two slots 20;

[0053] Specifically, the outer diameter of the end of the hose connector 19 away from the regulating hose 13 matches the inner diameter of the valve body 12, so that the outer wall of the end of the hose connector 19 away from the regulating hose 13 fits against the inner wall of the valve body 12; the outer diameter of the end of the hose connector 19 close to the regulating hose 13 matches the inner diameter of the regulating hose 13; and multiple anti-detachment protrusions are evenly fixed to the outer ring of the end of the hose connector 19 close to the regulating hose 13.

[0054] The slot 20 on the hose connector 19 and the slot 20 on the valve body 12 are respectively provided with threaded countersunk holes at the positions corresponding to the two ends of the connecting block 21, and countersunk screws are installed in the internal threads of the threaded countersunk holes.

[0055] After prolonged use, the elasticity of the regulating hose 13 decreases due to repeated compression, and it may even break or be damaged. In this case, the regulating hose 13 needs to be replaced.

[0056] Use a wrench to remove the countersunk screws on the connecting block 21, then remove the connecting block 21 from the slot 20, so that the hose connector 19 is separated from the two ends of the valve body 12. Then pull the hose connector 19 and the adjusting hose 13 out of the valve body 12 and remove the hose connectors 19 from both ends of the adjusting hose 13.

[0057] Replace the new regulating hose 13, and install the removed hose connector 19 at both ends of the regulating hose 13; then insert the hose connector 19 and the regulating hose 13 into the tube of the valve body 12, so that the groove 20 on the hose connector 19 is aligned with the groove 20 at both ends of the valve body 12, insert the connecting block 21 into the groove 20, and use countersunk screws to lock the connecting block 21 to the hose connector 19 and the valve body 12 respectively; thus completing the replacement of the regulating hose 13, ensuring the stability of the regulating tailings overflow flow of the magnetic separator.

[0058] Furthermore, such as Figures 8 to 12 As shown, a hose clamp 22 is fitted around the outer edge of the hose connector 19 near the adjusting hose 13; the hose clamp 22 can compress the adjusting hose 13;

[0059] Specifically, the pipe clamp 22 consists of two symmetrically arranged semi-circular arc rings, and the two ends of the two arc rings are locked and fixed by multiple bolts; the pipe clamp 22 fixes the two ends of the regulating hose 13 to the hose connectors 19 on both sides respectively, thereby improving the connection strength between the hose connectors 19 and the regulating hose 13.

[0060] Working principle: The slurry enters the separation tank through the feed box of the magnetic separator body 1. The mineral particles are dispersed into a loose state and enter the magnetic field area under the action of water flow. The magnetic minerals are adsorbed to the surface of the drum under the action of magnetic force. At the same time, the motor drives the drum to rotate, and the drum carries the magnetic concentrate to the concentrate tank, where the drum is in the weak magnetic zone.

[0061] The spring 9 is supported by the support plate 7. The spring 9 pushes the connecting rod 8 to move towards the drum of the magnetic separator body 1, and the scraper 3 drives the rotating rod 6 to rotate, so that the bottom of the scraper 3 is always in contact with the outer wall of the drum of the magnetic separator body 1. The scraper 3 scrapes the magnetic concentrate off the outer wall of the drum and it falls into the concentrate trough. At the same time, the high-pressure water pump draws out the clean water in the water storage tank and delivers it to the water spray pipe 5. The high-pressure water is then sprayed out by the high-pressure nozzle at the bottom of the water spray pipe 5 to form a high-pressure water flow. The high-pressure water flow impacts the outer wall of the drum of the magnetic separator body 1, so that the magnetic concentrate that has not been scraped off by the scraper 3 enters the concentrate trough under the impact of the high-pressure water flow, thereby avoiding concentrate loss and reducing media consumption.

[0062] In actual production, the tailings of the magnetic separator must have a certain overflow to achieve a good separation effect. The overflow of the tailings of the magnetic separator is achieved by adjusting the flow rate through the underflow pipe 11.

[0063] When adjusting the flow rate of the underflow pipe 11, the operator rotates the lead screw 15, which rotates and rises and falls along the internal threaded pipe 14, causing the lower pressure head 16 to rise and fall. When the lower pressure head 16 moves downward, it presses down on the regulating hose 13, causing the middle part of the regulating hose 13 to be flattened and narrowed, reducing the flow rate in the regulating hose 13 and reducing the overflow flow inside the magnetic separator body 1. When the lower pressure head 16 moves upward, it releases the regulating hose 13, causing the middle part of the regulating hose 13 to return to its original position, increasing the flow rate in the regulating hose 13 and increasing the overflow flow inside the magnetic separator body 1. This makes it easier to control and adjust the overflow flow of the tailings in the magnetic separator, thereby improving the separation effect.

[0064] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A tailings magnetic separator with reduced media consumption, characterized in that: Includes a magnetic separator body; support plates are fixed to both sides of one end of the magnetic separator body; a scraper is provided between the support plates on both sides, which can contact the drum of the magnetic separator body; A bracket is bolted to one side of the support plate that is close to each other and to the side that is close to the magnetic separator body; a water spray pipe is bolted to the top between the two brackets; the middle part of the water spray pipe is connected to a water tank with a high-pressure water pump through a hose; the spray end of the water spray pipe is directed toward the contact point between the scraper and the drum of the magnetic separator body.

2. The tailings magnetic separator with reduced media consumption according to claim 1, characterized in that: A rotating rod is rotatably mounted on the top between the two support plates; the scraper is fixed to the outer ring of the rotating rod; a support strip is bolted to the middle of the two support plates, away from the drum side of the magnetic separator body; a connecting rod is rotatably mounted on the side of the scraper near the support strip; multiple springs are evenly arranged between the connecting rod and the support strip.

3. A tailings magnetic separator with reduced media consumption according to claim 2, characterized in that: A rubber scraper is bolted to the bottom of the scraper; the rubber scraper can contact the outer wall of the drum of the magnetic separator body.

4. A tailings magnetic separator with reduced media consumption according to claim 1, characterized in that: The bottom of the magnetic separator body is connected to an underflow pipe; a valve body is bolted to a section of the underflow pipe away from the magnetic separator body; an adjusting hose is installed inside the valve body; an internally threaded pipe is fixed to the top surface of the middle part of the valve body; a lead screw is installed in the internal thread of the internally threaded pipe; a pressure head is rotatably installed at the bottom end of the lead screw; the pressure head can press down the adjusting hose.

5. A tailings magnetic separator with reduced media consumption according to claim 4, characterized in that: Telescopic guide rods are fixedly connected between the pressure head and both sides of the inner top surface of the valve body.

6. A tailings magnetic separator with reduced media consumption according to claim 4, characterized in that: Both ends of the valve body have slidably mounted hose connectors on their inner rings; the end of the adjusting hose is inserted into the outer ring of the hose connector; the end of the hose connector near the adjusting hose and both ends of the valve body are provided with multiple slots; the slots on the hose connector correspond to the slots on the valve body; and connecting blocks are bolted inside the two corresponding slots.

7. A tailings magnetic separator with reduced media consumption according to claim 6, characterized in that: The hose connector is fitted with a hose clamp around one end near the adjusting hose; the hose clamp can compress the adjusting hose.

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