A copper metal recovery device for molybdenum concentrate tailings slurry and a method thereof

Abstract

The application discloses a molybdenum concentrate tailing ore pulp copper metal recovery device and method thereof, which comprises a bottom plate support, a water storage filter box is fixedly connected to the top of the bottom plate support through a support, a filter screen cylinder is arranged on the top of the water storage filter box through an opening, and a gas cylinder is fixedly connected to the rear portion of the water storage filter box through a fixing plate, and the application relates to the technical field of copper metal recovery. The molybdenum concentrate tailing ore pulp copper metal recovery device and method thereof are characterized in that a filter screen cylinder is arranged in the water storage filter box, and the filter screen cylinder is used in cooperation with stirring blades and a sealing plug. The arrangement of these structures can seal the water stored in the water storage filter box in advance, and then the stirring blades are used for stirring to disperse the copper metal in the water storage filter box, so that the efficiency is high and a large amount of water source is not wasted, and the water is discharged through the discharge vertical pipe after the subsequent lifting of the lifting disc.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of copper metal recovery, in particular to a molybdenum concentrate tailings slurry copper metal recovery device and method thereof. BACKGROUND

[0002] At present, the part of the product with low content of useful target components in the sorting operation in mineral processing is called tailings, and a large amount of slurry will be produced with the discharge of the equipment, and a large amount of copper metal still exists in the slurry, so it is necessary to recover and reduce waste, and the existing slurry recovery equipment can effectively filter and recover, but the whole cannot be conveniently cleaned, and the existing patent documents have improved this.

[0003] For example, Chinese patent CN220899763U, a copper tailings metal recovery filter device, comprising a base, a working box is arranged on the top of the base, two water storage boxes are arranged on the side of the working box, a water inlet is arranged on the top of the two water storage boxes, a water outlet is arranged on one side of the working box, a closing cover plate is arranged on the top of the working box, a feed inlet is arranged on the top of the closing cover plate, two lugs are arranged on one end of the closing cover plate, shaft rods are arranged on the sides of the two lugs, and the shaft rods are adaptedly installed between the through holes opened on the top of the working box, the utility model discloses a rotating structure arranged on the top of the closing cover plate, which is driven by a first motor to rotate the stirring rod, and then drives the stirring blocks fixedly installed on the outer wall of the stirring rod to rotate in the filter barrel, so that the tailings metal placed in the filter barrel is fully stirred, the impurities on the tailings metal are separated, and the recovery rate of the tailings metal is improved.

[0004] The device in the above document can filter the slurry, but it still has obvious defects in actual use, such as:

[0005] The device only uses the nozzle to impact the slurry for filtration, which can stir the slurry, but most of the impact force of the water flow is blocked by the mesh tube, and the impact force on the internal slurry is small, which leads to low filtration efficiency, and the constant impact also wastes water, and most of the devices for filtering the slurry are medium and large devices, and manual disassembly is required for cleaning, which undoubtedly increases the labor and difficulty;

[0006] Therefore, a molybdenum concentrate tailings slurry copper metal recovery device is designed to improve the filtration efficiency to solve such defects. SUMMARY

[0007] In view of the deficiencies of the prior art, the present application provides a molybdenum concentrate tailings slurry copper metal recovery device and method thereof, which solves the problems of low efficiency and inconvenient use of the existing copper metal recovery equipment.

[0008] In order to achieve the above object, the application is realized by the following technical scheme: a molybdenum concentrate tailings slurry copper metal recovery device, comprising a bottom plate support, the top of the bottom plate support is fixedly connected with a water storage filter box through a support, the top of the water storage filter box is provided with a filter screen cylinder through an opening, the rear part of the water storage filter box is fixedly connected with a gas cylinder through a fixed plate, the top end of the gas cylinder is fixedly connected with an upper top plate frame, the bottom of the upper top plate frame is fixedly connected with a vertical rotating rod through a fixed block, and the bottom end of the vertical rotating rod extends into the inside of the filter screen cylinder, one end of the vertical rotating rod extending into the inside of the filter screen cylinder is fixedly connected with a stirring blade matched with the filter screen cylinder.

[0009] Preferably, the bottom of the stirring blade is fixedly connected with a material lifting circular plate through a fixed plate, the bottom of the filter screen cylinder is provided with a butt joint circular opening, the bottom of the material lifting circular plate is fixedly connected with a multi-angle inner cylinder matched with the butt joint circular opening, and the bottom end of the multi-angle inner cylinder passes through the butt joint circular opening and extends to the lower part of the filter screen cylinder.

[0010] Preferably, the top of the bottom plate support is fixedly connected with a motor through a support, the output shaft of the motor is fixedly connected with a rotating rod through a shaft coupling, the top end of the rotating rod penetrates through the water storage filter box and extends to the inside of the water storage filter box, one end of the rotating rod extending to the inside of the water storage filter box is fixedly connected with a multi-angle column matched with the multi-angle inner cylinder, and the left side of the water storage filter box is fixedly connected with a water injection pipe through an opening.

[0011] Preferably, the surface of the rotating rod is sleeved with a material screening sliding frame, the front and rear parts of both sides of the bottom of the water storage filter box are fixedly connected with guide vertical rods through fixed blocks, and the bottom end of the guide vertical rod penetrates through the material screening sliding frame and extends to the lower part of the material screening sliding frame, and the surface of the guide vertical rod and between the material screening sliding frame and the water storage filter box is sleeved with a first spring.

[0012] Preferably, the bottom of the material screening sliding frame is fixedly connected with an inclined surface resisting block through a fixed block, and the inclined surface resisting block is annularly provided with a plurality of inclined surface resisting blocks, the upper part of the surface of the rotating rod is fixedly connected with a circular resisting rod matched with the inclined surface resisting block through a fixed block, and both sides of the bottom of the inner cavity of the water storage filter box are fixedly connected with a material discharging vertical pipe matched with the material screening sliding frame through an opening.

[0013] Preferably, the upper part of the surface of the filter screen cylinder is provided with an annular tooth groove, the upper parts of both sides of the inner cavity of the water storage filter box are slidingly installed with a rectangular pressing frame through an opening, the surface of the rectangular pressing frame is sleeved with a second spring, and the opposite sides of the two rectangular pressing frames are fixedly connected with an arc-shaped tooth plate matched with the annular tooth groove.

[0014] Preferably, the upper top plate frame is fixedly connected with a side pull rod on both sides through a fixing plate, the bottom end of the side pull rod penetrates the water storage filter box and extends to the inside of the water storage filter box, one end of the side pull rod extending to the inside of the water storage filter box is fixedly connected with a sealing plug matched with the discharge vertical pipe through a fixing plate, and the sealing plug is fixedly connected with an inclined surface pressing seat matched with the rectangular pressing frame on one side through a fixing plate.

[0015] The application further discloses a copper metal recovery method of molybdenum concentrate tailing slurry.

[0016] S1, before use, the tailing slurry is first put into the inside of the filter screen cylinder, then water is injected into the inside of the water storage filter box through the water injection pipe, and after the preparation process is completed, the step S2 is performed;

[0017] S2, the motor is started to drive the rotating rod to rotate, the polygonal inner cylinder and the material lifting disc rotate because of the butt joint of the polygonal column and the polygonal inner cylinder, the material lifting disc rotates to drive the stirring blade to rotate to stir and dilute the slurry in the filter screen cylinder, meanwhile, the copper metal in the slurry falls to the bottom of the inside cavity of the water storage filter box due to the weight and the stirring of the stirring blade, and the plurality of inclined surface abutting blocks are continuously extruded by the round abutting rod when the rotating rod rotates, the sieve sliding frame continuously vibrates up and down by the elastic force of the first spring under the limitation of the guide vertical rod when the inclined surface abutting blocks are extruded, and after the slurry in the filter screen cylinder is stirred, the step S3 is performed;

[0018] S3, after the stirring is completed, the cylinder is started to drive the vertical rotating rod and the side pull rod to rise by the upper top plate frame, the material lifting disc and the polygonal inner cylinder are lifted by the vertical rotating rod, the polygonal inner cylinder is pulled out from the inside of the butt joint circular port, and the polygonal inner cylinder is separated from the polygonal column, at this time, the vertical rotating rod and the stirring blade do not rotate any more, the sealing plug is pulled out from the inside of the discharge vertical pipe, the turbid liquid in the water storage filter box is discharged through the discharge vertical pipe and falls on the top of the sieve sliding frame, the copper metal is left on the top of the sieve sliding frame by the sieve sliding frame and the flowing turbid liquid at this time, the material lifting disc continues to rise until the material lifting disc rises to the top of the filter screen cylinder, at this time, the impurities in the material lifting disc are located outside, which is convenient for the workers to clean, and when the two sealing plugs rise to the top, the inclined surface pressing seat extrudes the rectangular pressing frame, so that the two arc-shaped tooth plates retract and are separated from the annular tooth groove, at this time, the filter screen cylinder is loose and can be taken out from the top of the water storage filter box for maintenance.

[0019] Beneficial effects

[0020] The application provides a copper metal recovery device and method of molybdenum concentrate tailing slurry.

[0021] (1), the copper metal recovery device and method of molybdenum concentrate tailings slurry, by setting filter screen cylinder in the inside of water storage filter box, and using stirring vane and sealing plug are matched, the setting of these structures can seal the inside of water storage filter box in advance, then the stirring of stirring vane makes copper metal dispersed in the inside of water storage filter box, not only high efficiency, and will not cause the waste of water source in large quantities, and after the subsequent lifting of the lifting disc, the water is discharged by using the discharge vertical pipe, the sieve sliding frame is shaken and cooperated with water flow, so that the copper metal is left on the top of the sieve sliding frame, so that the staff can collect conveniently.

[0022] (2), the copper metal recovery device and method of molybdenum concentrate tailings slurry, by setting lifting disc in the inside of filter screen cylinder, and installing polygonal inner cylinder matched with polygonal column on the bottom of lifting disc, matched with inclined surface pressure seat and arc tooth plate, these structures can pull up the lifting disc after stirring to push out the residue left in the inside of filter screen cylinder, convenient for cleaning, at the same time, the inclined surface pressure seat can extrude the second spring to separate the arc tooth plate from the annular tooth groove, unlock the filter screen cylinder, convenient for staff to take out for maintenance, and the arc tooth plate can be used for positioning the filter screen cylinder during work, ensure the stability during operation, meet the current use.

[0023] (3), the copper metal recovery device and method of molybdenum concentrate tailings slurry, by installing sieve sliding frame on the bottom of water storage filter box by using guide vertical rod, matched with inclined surface block and round stop rod, these structures can discharge water after the sealing plug rises, extrude the sieve sliding frame by using the round stop rod to shake the sieve sliding frame to make the copper metal fall on the top of the sieve sliding frame by using self weight, so that it is integrated to facilitate staff to collect, without transfer between equipment, and also reduce the cost. ACCURACY

[0024] Figure 1 It is the structural diagram of the application;

[0025] Figure 2 It is the rear view of the structure of the application;

[0026] Figure 3 It is the sectional view of the water storage filter box structure of the application;

[0027] Figure 4 It is the schematic diagram of the annular tooth groove, sealing plug and inclined surface pressure seat structure of the application;

[0028] Figure 5 It is the schematic diagram of the sieve sliding frame, guide vertical rod and first spring structure of the application;

[0029] Figure 6 It is the bottom view of the motor, inclined surface block and round stop rod structure of the application.

[0030] Figure 7 Figure 2 is a side view of the internal structure of the water storage filter box of the present application.

[0031] Figure 1: 1, bottom plate support; 2, water storage filter box; 3, filter screen cylinder; 4, air cylinder; 5, upper top plate support; 6, vertical rotating rod; 7, stirring blade; 8, material lifting disc; 9, butt joint circular port; 10, multi-angle inner cylinder; 11, motor; 12, rotating rod; 13, multi-angle column; 14, water injection pipe; 15, material screening sliding frame; 16, guide vertical rod; 17, first spring; 18, inclined surface stop block; 19, circular stop rod; 20, material discharging vertical pipe; 21, annular tooth groove; 22, rectangular pressing frame; 23, second spring; 24, arc-shaped tooth plate; 25, side pull rod; 26, sealing plug; 27, inclined surface pressing seat. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0033] Please refer to Figures 1-7The application provides a technical scheme: a molybdenum concentrate tailing slurry copper metal recovery device, which comprises a bottom plate support 1, a water storage filter box 2 is fixedly connected to the top of the bottom plate support 1 through a support, a round opening for facilitating the dismounting and mounting of a filter screen cylinder 3 is arranged at the top of the water storage filter box 2, and the diameter of the round opening is larger than that of the filter screen cylinder 3, the filter screen cylinder 3 is arranged at the top of the water storage filter box 2 through the opening, a gas cylinder 4 is fixedly connected to the rear part of the water storage filter box 2 through a fixing plate, an upper top plate support 5 is fixedly connected to the top end of the gas cylinder 4, a vertical rotating rod 6 is fixedly connected to the bottom of the upper top plate support 5 through a fixing block, and the bottom end of the vertical rotating rod 6 extends into the filter screen cylinder 3, a stirring blade 7 used in cooperation with the filter screen cylinder 3 is fixedly connected to one end of the vertical rotating rod 6 extending into the filter screen cylinder 3, a lifting circular plate 8 is fixedly connected to the bottom of the stirring blade 7 through a fixing plate, a butt joint round opening 9 is arranged at the bottom of the filter screen cylinder 3, a multi-angle inner cylinder 10 used in cooperation with the butt joint round opening 9 is fixedly connected to the bottom of the lifting circular plate 8, and the bottom end of the multi-angle inner cylinder 10 extends into the lower part of the filter screen cylinder 3 through the butt joint round opening 9, a motor 11 is fixedly connected to the top of the bottom plate support 1 through a support, the motor 11 is a servo motor, a rotating rod 12 is fixedly connected to the output shaft of the motor 11 through a shaft coupling, the top end of the rotating rod 12 penetrates through the water storage filter box 2 and extends into the water storage filter box 2, a multi-angle column 13 used in cooperation with the multi-angle inner cylinder 10 is fixedly connected to one end of the rotating rod 12 extending into the water storage filter box 2, a water injection pipe 14 is fixedly connected to the left side of the water storage filter box 2 through the opening, the water injection pipe 14 is connected with a water pump, a screening sliding frame 15 is sleeved on the surface of the rotating rod 12, guide vertical rods 16 are fixedly connected to the front part and the rear part on both sides of the bottom of the water storage filter box 2 through fixing blocks, and the bottom end of the guide vertical rods 16 penetrates through the screening sliding frame 15 and extends into the lower part of the screening sliding frame 15, and first springs 17 are sleeved on the surface of the guide vertical rods 16 and between the screening sliding frame 15 and the water storage filter box 2.

[0034] Further, the bottom of the screening sliding frame 15 is fixedly connected with inclined blocks 18 through fixing blocks, the inclined blocks 18 are annularly arranged, the upper part of the surface of the rotating rod 12 is fixedly connected with a round resisting rod 19 matched with the inclined blocks 18 through fixing blocks, the two sides of the bottom of the inner cavity of the water storage filter box 2 are fixedly connected with discharge vertical pipes 20 matched with the screening sliding frame 15 through openings, the upper part of the surface of the filter screen cylinder 3 is provided with an annular tooth groove 21, the upper parts of the two sides of the inner cavity of the water storage filter box 2 are slidingly installed with rectangular pressing frames 22 through openings, the surface of the rectangular pressing frame 22 is sleeved with a second spring 23, the opposite sides of the two rectangular pressing frames 22 are fixedly connected with arc-shaped tooth plates 24 matched with the annular tooth groove 21, the two sides of the upper top plate frame 5 are fixedly connected with side pull rods 25 through fixing plates, the bottom end of the side pull rod 25 penetrates through the water storage filter box 2 and extends to the inside of the water storage filter box 2, one end of the side pull rod 25 extending to the inside of the water storage filter box 2 is fixedly connected with a sealing plug 26 matched with the discharge vertical pipe 20 through a fixing plate, the surface of the sealing plug 26 is wrapped with a rubber layer to increase the sealing property, one side of the sealing plug 26 is fixedly connected with an inclined pressing seat 27 matched with the rectangular pressing frame 22 through a fixing plate.

[0035] The application further discloses a copper metal recovery method of molybdenum concentrate tailing slurry.

[0036] S1, before use, the tailing slurry is first put into the inside of the filter screen cylinder 3, then water is injected into the inside of the water storage filter box 2 by using the water injection pipe 14, and after the preparation process is completed, the step S2 is turned to;

[0037] S2, at this time, the motor 11 is started to drive the rotating rod 12 to rotate, because the polygonal column 13 and the polygonal inner cylinder 10 are butted, the polygonal inner cylinder 10 and the lifting circular plate 8 rotate, when the lifting circular plate 8 rotates, the stirring blade 7 is driven to rotate to stir and dilute the slurry in the inside of the filter screen cylinder 3, meanwhile, the copper metal in the slurry falls to the bottom of the inner cavity of the water storage filter box 2 due to the weight and the stirring of the stirring blade 7, and when the rotating rod 12 rotates, the round resisting rod 19 continuously presses the plurality of inclined blocks 18, when the inclined blocks 18 are pressed, the screening sliding frame 15 continuously vibrates up and down under the limitation of the guide vertical rod 16 and the elastic force of the first spring 17, after the slurry in the inside of the filter screen cylinder 3 is stirred, the step S3 is turned to;

[0038] S3, after the completion of the stirring staff start cylinder 4 using the top plate frame 5 pull up the vertical rod 6 and side pull rod 25, with the vertical rod 6 will lift the round plate 8 and the multi angle inner cylinder 10 pull up, multi angle inner cylinder 10 from the butt joint round port 9 inside the pull out and multi angle inner cylinder 10 at the same time with the multi angle column 13 separation, at this time the vertical rod 6 and the stirring blade 7 no longer rotate, at the same time the sealing plug 26 from the discharge vertical pipe 20 inside the pull out, so that the turbid liquid inside the storage water filter box 2 through the discharge vertical pipe 20 and fall in the sieve slide frame 15 top, while the sieve slide frame 15 at this time the shaking of the flow of turbid liquid makes the copper metal is left in the sieve slide frame 15 top, while the lift round plate 8 continue to rise until the top of the filter screen cylinder 3, at this time the impurities inside the lift round plate 8 is located outside, convenient for staff to clean it, while the two side sealing plug 26 rise to the top of the inclined surface pressure seat 27 extrude rectangular pressure frame 22, so that the two side of the arc tooth plate 24 retract and ring gear slot 21 separation, at this time the filter screen cylinder 3 loose can be taken out from the top of the storage water filter box 2 to maintain.

[0039] Meanwhile, the contents not described in detail in the specification are all the prior art known to those skilled in the art.

Claims

1. A method for recovering copper metal from molybdenum concentrate tailings slurry, characterized in that: Specifically, the following steps are included: S1. Before use, put the tailings slurry into the filter cylinder (3), and then use the water injection pipe (14) to inject water into the water storage filter box (2). After the preparation process is completed, proceed to step S2. S2. At this time, the motor (11) is started to drive the rotating rod (12) to rotate. Since the polygonal column (13) and the polygonal inner cylinder (10) are connected, the polygonal inner cylinder (10) and the lifting plate (8) are rotated. When the lifting plate (8) rotates, it drives the stirring blade (7) to rotate and stir and dilute the slurry inside the filter cylinder (3). At the same time, the copper metal inside the slurry will fall to the bottom of the water storage filter box (2) due to its weight and the stirring of the stirring blade (7). When the rotating rod (12) rotates, it will use the round abutment rod (19) to continuously squeeze several inclined abutment blocks (18). When the inclined abutment blocks (18) are squeezed, the entire screen slide frame (15) will vibrate up and down continuously under the limit of the guide vertical rod (16) by the elastic force of the first spring (17). After the slurry inside the filter cylinder (3) is stirred, the process will proceed to step S3. S3. After the mixing is completed, the operator starts the cylinder (4) and uses the top plate frame (5) to pull the vertical rotating rod (6) and the side pull rod (25) to rise. As the vertical rotating rod (6) pulls up the lifting disc (8) and the polygonal inner cylinder (10), the polygonal inner cylinder (10) is pulled out from the inside of the docking port (9) and the polygonal inner cylinder (10) is separated from the polygonal column (13). At this time, the vertical rotating rod (6) and the stirring blade (7) no longer rotate. At the same time, the sealing plug (26) is pulled out from the inside of the discharge vertical pipe (20), so that the turbid liquid inside the water storage filter box (2) is discharged through the discharge vertical pipe (20) and falls into the screen slide frame (1). At the top of 5), the shaking screen slide (15) combined with the flowing turbid liquid causes copper metal to be left on the top of the screen slide (15), and the lifting disc (8) continues to rise until it reaches the top of the filter cylinder (3). At this time, the impurities inside the lifting disc (8) are located on the outside, making it convenient for the staff to clean them. When the sealing plugs (26) on both sides rise to the top, the inclined pressure seat (27) squeezes the rectangular pressure frame (22), thereby causing the arc toothed plates (24) on both sides to retract and separate from the annular toothed groove (21). At this time, the filter cylinder (3) is loose and can be taken out from the top of the water storage filter box (2) for maintenance.

2. A method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 1, comprising a copper metal recovery device for molybdenum concentrate tailings slurry, the copper metal recovery device for molybdenum concentrate tailings slurry comprising a base plate support (1), characterized in that: A water storage filter box (2) is fixedly connected to the top of the base plate support (1) by a bracket. A filter screen cylinder (3) is installed on the top of the water storage filter box (2) through an opening. A cylinder (4) is fixedly connected to the rear of the water storage filter box (2) by a fixing plate. An upper top plate frame (5) is fixedly connected to the top of the cylinder (4). A vertical rotating rod (6) is fixedly connected to the bottom of the upper top plate frame (5) by a fixing block. The bottom end of the vertical rotating rod (6) extends into the interior of the filter screen cylinder (3). A stirring blade (7) that works in conjunction with the filter screen cylinder (3) is fixedly connected to one end of the vertical rotating rod (6) that extends into the interior of the filter screen cylinder (3).

3. The method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 2, characterized in that: The bottom of the stirring blade (7) is fixedly connected to the lifting disc (8) by a fixing plate. The bottom of the filter cylinder (3) is provided with a docking opening (9). The bottom of the lifting disc (8) is fixedly connected to a polygonal inner cylinder (10) that cooperates with the docking opening (9). The bottom end of the polygonal inner cylinder (10) passes through the docking opening (9) and extends to the lower part of the filter cylinder (3).

4. The method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 3, characterized in that: A motor (11) is fixedly connected to the top of the base plate support (1) via a bracket. The output shaft of the motor (11) is fixedly connected to a rotating rod (12) via a coupling. The top end of the rotating rod (12) passes through the water storage filter box (2) and extends into the interior of the water storage filter box (2). One end of the rotating rod (12) extending into the interior of the water storage filter box (2) is fixedly connected to a polygonal column (13) that cooperates with the polygonal inner cylinder (10). A water injection pipe (14) is fixedly connected to the left side of the water storage filter box (2) by opening an opening.

5. The method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 4, characterized in that: The rotating rod (12) is fitted with a screening slide frame (15). The front and rear parts of the bottom sides of the water storage filter box (2) are fixedly connected with guide rods (16) by fixing blocks. The bottom end of the guide rod (16) passes through the screening slide frame (15) and extends to the lower part of the screening slide frame (15). A first spring (17) is fitted on the surface of the guide rod (16) and between the screening slide frame (15) and the water storage filter box (2).

6. The method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 5, characterized in that: The bottom of the screening slide frame (15) is fixedly connected to an inclined abutment block (18) by a fixing block, and several inclined abutment blocks (18) are arranged in a ring. The upper part of the surface of the rotating rod (12) is fixedly connected to a round abutment rod (19) that cooperates with the inclined abutment block (18) by a fixing block. Both sides of the bottom of the water storage filter box (2) are fixedly connected to a discharge vertical pipe (20) that cooperates with the screening slide frame (15) by opening.

7. The method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 6, characterized in that: The upper part of the surface of the filter screen cylinder (3) is provided with an annular toothed groove (21). The upper part of both sides of the inner cavity of the water storage filter box (2) is slidably installed with a rectangular pressure frame (22) through openings. The surface of the rectangular pressure frame (22) is fitted with a second spring (23). The opposite sides of the two rectangular pressure frames (22) are fixedly connected with an arc-shaped toothed plate (24) that cooperates with the annular toothed groove (21).

8. The method for copper metal recovery from molybdenum concentrate tailings slurry according to claim 7, characterized in that: Both sides of the top plate frame (5) are fixedly connected with side tie rods (25) by fixing plates. The bottom end of the side tie rod (25) passes through the water storage filter box (2) and extends into the interior of the water storage filter box (2). One end of the side tie rod (25) extending into the interior of the water storage filter box (2) is fixedly connected with a sealing plug (26) that cooperates with the discharge vertical pipe (20) by fixing plates. One side of the sealing plug (26) is fixedly connected with an inclined pressure seat (27) that cooperates with the rectangular pressure frame (22) by fixing plates.

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