Desilting and purifying device for drilling fluid

By designing a drilling fluid sludge removal and purification device containing a vibration filter mechanism, a fast clamping mechanism and a clamping auxiliary mechanism, the problems of low vibration promotion separation efficiency and inconvenient component replacement and maintenance in the prior art are solved, and efficient drilling fluid purification is achieved and maintenance costs are reduced.

CN222863346UActive Publication Date: 2025-05-13INNER MONGOLIA COAL GEOLOGICAL EXPLORATION (GRP) ONE FIVE THREE CO LTD
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Patent Information

Application Number
CN202421921359.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-05-13
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

The existing drilling fluid sludge removal purification device cannot promote the separation of solid particles in the drilling fluid from the liquid through vibration, the filtration efficiency is low, and the filtering element cannot be replaced and repaired quickly, resulting in inconvenient operation and increased maintenance costs.

Method used

A drilling fluid sludge removal purification device including a vibration filter mechanism, a fast clamping mechanism and a clamping auxiliary mechanism is designed. The vibration filtering mechanism promotes the separation of solid particles from liquids through vibration motors and vibration springs. The quick clamping mechanism allows quick connection and disconnection of the clamping rods, and the clamping auxiliary mechanism is used to accurately adjust the movement of the inner push pipe.

Benefits of technology

It improves the filtration efficiency of drilling fluid, simplifies the replacement and maintenance process of filter elements, reduces maintenance costs, and ensures the stability and safety of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a desilting and purifying device for drilling fluid, which comprises a filter box, a vibration filter mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the vibration filter mechanism comprises a vibration motor, a lateral frame, a vibration spring, a bottom plate, a mounting clamping plate and a filter screen; the rapid clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a movable rod, a locking block, a gradient block, an unlocking push block and an inner push pipe, the clamping auxiliary mechanism comprises a supporting plate, a rotating sleeve, an inner gear, a rotating gear, a lead screw and a threaded frame, and vibration generated by a vibration motor is transmitted to the whole filter box through a vibration spring; and through the design of an unlocking push block and an inner push pipe, the clamping rod can be rapidly unlocked and released, and replacement and maintenance of the filter screen are facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of filtering and purifying, and more specifically, to a mud removal and purification device for drilling fluid. Background Art

[0002] The drilling fluid desludging and purification device is a device specially used for purifying drilling fluid during oil drilling. Its main function is to remove mud, cuttings and other solid particles in the drilling fluid to ensure the cleanliness and performance of the drilling fluid, thereby improving drilling efficiency and safety.

[0003] In the existing technology, firstly, some devices cannot promote the separation of solid particles and liquid in the drilling fluid through vibration, resulting in reduced filtration efficiency, and cannot effectively intercept and remove fine solid particles in the drilling fluid, affecting the purification effect. Due to poor filtration effect, the filter screen may be clogged, increasing the frequency of cleaning and replacement, and increasing maintenance costs. Secondly, some devices cannot quickly realize the rapid replacement and maintenance of filter elements, resulting in inconvenience in operation and prolonged downtime. The filter elements may shift during the vibration process, affecting the filtration effect and equipment stability. It is impossible to ensure the safe fixation of the filter elements under high-speed vibration, which may cause equipment damage or personal injury. Finally, some devices cannot accurately adjust the movement of the inner push tube, affecting the unlocking and release of the clamping rod, resulting in difficulty in operation, and unable to realize the coordinated movement of the inner push tube and the threaded rack, affecting the overall performance of the equipment. Replacement and repair of the clamping parts may require more time and labor, increasing maintenance costs. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the problems existing in the prior art, the utility model provides a mud removal and purification device for drilling fluid to solve the technical problems mentioned in the background technology, such as the inability to promote the separation of solid particles and liquid in the drilling fluid through vibration and the inability to quickly replace and repair the filter element.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drilling fluid mud removal and purification device, comprising a filter box, a vibration filtering mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the vibration filtering mechanism comprising a vibration motor, a lateral frame, a vibration spring, a bottom plate, a mounting clamping plate and a filter screen, the vibration motor is installed at the bottom of the filter box, the two ends of the vibration spring are respectively connected with the bottom plate and the lateral frame, the lateral frame is installed at the surrounding positions of the filter box, the filter screen is fixedly clamped on the mounting clamping plate, and the mounting clamping plate is installed in the interior of the filter box, the quick clamping mechanism comprises a clamping tube, a clamping rod, a clamping groove, a movable rod, a locking block, a slope block, an unlocking push block and an inner push tube, the clamping rod can be extended into the clamping tube, the clamping groove is arranged on the side of the clamping rod, the movable rod is transversely movably arranged on the side wall of the clamping tube, the locking block is installed at one end of the movable rod, the slope block is installed at the bottom of the locking block, the unlocking push block is installed on the top of the inner push tube, and the inner push tube is movably arranged in the clamping tube.

[0008] The utility model is further configured as follows: the clamping auxiliary mechanism includes a support plate, a rotating sleeve, an internal gear, a rotating gear, a lead screw and a threaded rack; the support plate is fixedly mounted on the side wall of the clamping tube; the rotating sleeve is directionally arranged on the top end surface of the support plate; the internal gear is mounted inside the rotating sleeve; the rotating gear is rotatably mounted on the top end surface of the support plate; the threaded rack is linked to the inner push tube, and the threaded rack is cooperatively mounted on the lead screw.

[0009] The utility model is further configured that a fixing plate is fixedly provided on the side wall of the clamping tube, and a sealing sleeve is rotatably provided on the top of the fixing plate. The setting of the fixing plate provides stable rotation support for the sealing sleeve.

[0010] The utility model is further configured such that a sealing groove is opened on the inner wall of the sealing sleeve, and the sealing sleeve is rotated to press the sealing groove toward one end of the movable rod, so that the push block is pushed into the clamping groove to fix the clamping rod in the clamping tube. The setting of the sealing groove provides a push-locking method for one end of the movable rod.

[0011] The utility model is further configured such that a lateral groove is provided on the side wall of the clamping tube, and the threaded rack extends through the lateral groove and is arranged in linkage with the inner push tube. The arrangement of the lateral groove facilitates the joint movement of the inner push tube and the threaded rack.

[0012] The utility model is further configured such that longitudinal plates are installed on both sides of the mounting splint, a connecting plate is installed on the bottom end of the side wall of the clamping tube, and the connecting plate is fixedly installed on the longitudinal plate. The setting of the connecting plate prevents movement during vibration and also provides a stable installation method for the quick clamping mechanism.

[0013] The utility model is further configured such that matching blocks are symmetrically provided on the inner wall of the filter box, and one end of the clamping rod is connected to the matching block, and one end of the clamping rod extends through the longitudinal plate and is quickly clamped to the clamping tube. The design of the clamping rod and the clamping tube allows quick connection and disconnection, which is convenient for operation and maintenance.

[0014] The utility model is further configured such that a base is installed at the bottom of the bottom plate, a top cover is provided at the open end of the filter box, a adding hopper is installed on the side of one end of the top cover, and a discharge assembly is installed at one end of the bottom of the filter box. The setting of the base facilitates stable support of the bottom of the device.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a drilling fluid desludging and purification device, which has the following beneficial effects:

[0017] The utility model is provided with a vibration filtering mechanism. The vibration generated by the vibration motor is transmitted to the entire filter box through the vibration spring, which promotes the separation of solid particles and liquid in the drilling fluid, thereby improving the filtering efficiency. The two ends of the vibration spring are respectively connected to the bottom plate and the lateral frame to ensure uniform transmission of vibration, which is conducive to material mixing and flow. The support spring provides stable support, reduces the damage of vibration to the equipment, and absorbs part of the vibration energy at the same time.

[0018] The utility model is provided with a quick clamping mechanism. The design of the clamping rod and the clamping tube allows quick connection and disconnection. The design of the clamping groove, movable rod, locking block and slope block ensures the stable fixation of the clamping rod in the clamping tube to prevent movement during vibration. The design of the unlocking push block and the inner push tube allows the clamping rod to be quickly unlocked and released, which is convenient for replacement and maintenance of the filter.

[0019] The utility model is provided with a clamping auxiliary mechanism. Through the design of the support plate, rotating sleeve, internal gear, rotating gear, lead screw and threaded frame, the movement of the inner push tube can be accurately adjusted, the unlocking and releasing process of the clamping rod can be optimized, and the linkage setting of the threaded frame and the inner push tube ensures the stability and accuracy of the adjustment process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of the device in the present utility model when it is not in use;

[0021] Figure 2 This is a schematic diagram of the structure inside the filter box of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the discharge end of the filter box in the utility model;

[0023] Figure 4It is a structural schematic diagram of the quick clamping mechanism and the clamping auxiliary mechanism in the utility model;

[0024] Figure 5 It is a schematic diagram of the internal structure of the quick clamping mechanism and the clamping auxiliary mechanism in the utility model.

[0025] In the figure: 1. filter box; 2. vibration motor; 3. lateral frame; 4. vibration spring; 5. bottom plate; 6. mounting clamp; 7. filter screen; 8. clamping tube; 9. clamping rod; 10. clamping slot; 11. movable rod; 12. locking block; 13. slope block; 14. unlocking push block; 15. inner push tube; 16. support plate; 17. rotating sleeve; 18. internal gear; 19. rotating gear; 20. lead screw; 21. threaded frame; 22. fixed plate; 23. sealing sleeve; 24. sealing slot; 25. lateral slot; 26. longitudinal plate; 27. connecting plate; 28. matching block; 29. ​​base; 30. top cover; 31. adding bucket; 32. discharge assembly. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0028] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0029] See also Figure 1-5A desilting and purification device for drilling fluid comprises a filter box 1, a vibration filtering mechanism, a quick clamping mechanism and a clamping auxiliary mechanism. The vibration filtering mechanism comprises a vibration motor 2, a lateral frame 3, a vibration spring 4, a bottom plate 5, a mounting clamping plate 6 and a filter screen 7. The vibration motor 2 is mounted at the bottom of the filter box 1. The two ends of the vibration spring 4 are respectively connected with the bottom plate 5 and the lateral frame 3. The lateral frame 3 is mounted on the surrounding positions of the filter box 1. The filter screen 7 is fixedly clamped on the mounting clamping plate 6. The mounting clamping plate 6 is mounted inside the filter box 1. The quick clamping mechanism comprises a vibration motor 2, a lateral frame 3, a vibration spring 4, a bottom plate 5, a mounting clamping plate 6 and a filter screen 7. The vibration motor 2 is mounted at the bottom of the filter box 1. The two ends of the vibration spring 4 are respectively connected with the bottom plate 5 and the lateral frame 3. The lateral frame 3 is mounted on the surrounding positions of the filter box 1. The filter screen 7 is fixedly clamped on the mounting clamping plate 6. The mounting clamping plate 6 is mounted inside the filter box 1. The quick-clamping mechanism includes a clamping tube 8, a clamping rod 9, a clamping groove 10, a movable rod 11, a locking block 12, a slope block 13, an unlocking push block 14 and an inner push tube 15. The clamping rod 9 can be extended into the clamping tube 8, the clamping groove 10 is arranged on the side of the clamping rod 9, the movable rod 11 is arranged on the side wall of the clamping tube 8 for transverse movement, the locking block 12 is installed at one end of the movable rod 11, the slope block 13 is installed at the bottom of the locking block 12, the unlocking push block 14 is installed on the top of the inner push tube 15, and the inner push tube 15 is movably arranged in the clamping tube 8.

[0030] In this embodiment, the vibration motor 2 is installed at the bottom of the filter box 1. After starting, it generates vibration, and the vibration is transmitted to the lateral frame 3 through the vibration spring 4. The lateral frame 3 is installed around the filter box 1. The two ends of the vibration spring 4 are respectively connected with the bottom plate 5 and the lateral frame 3 to support the vibration box. At the same time, the drilling fluid in the filter box 1 is vibrated to promote the separation of solid particles and liquid in the drilling fluid. The filter screen 7 is fixedly clamped on the mounting clamp 6, and the mounting clamp 6 is mounted inside the filter box 1. The drilling fluid passes through the filter screen. 7, the solid particles are intercepted by the filter screen 7, and the purified drilling fluid flows out, so that the filter screen 7 can be quickly installed and disassembled in the filter box 1, and the clamping rod 9 can be extended into the clamping tube 8. The clamping groove 10 is arranged on the side of the clamping rod 9. The sealing sleeve 23 is rotated to press the sealing groove 24 to one end of the movable rod 11, so that the push block is pushed into the clamping groove 10 to fix the clamping rod 9 in the clamping tube 8. The unlocking push block 14 is installed on the top of the inner push tube 15, and the inner push tube 15 is movably arranged in the clamping tube 8 to unlock and release the clamping rod 9.

[0031] The clamping auxiliary mechanism includes a support plate 16, a rotating sleeve 17, an internal gear 18, a rotating gear 19, a screw 20 and a threaded rack 21. The support plate 16 is fixedly mounted on the side wall of the clamping tube 8, the rotating sleeve 17 is directionally set on the top end surface of the support plate 16, the internal gear 18 is installed inside the rotating sleeve 17, the rotating gear 19 is installed and rotatably set on the top end surface of the support plate 16, the threaded rack 21 is linked with the inner push tube 15, and the threaded rack 21 is mounted on the screw 20.

[0032] In this embodiment, the support plate 16 is fixedly mounted on the side wall of the clamping tube 8, the rotating sleeve 17 is directionally set on the top end surface of the support plate 16, the internal gear 18 is installed inside the rotating sleeve 17, the rotating gear 19 is installed and rotatably set on the top end surface of the support plate 16, the threaded frame 21 is linked with the inner push tube 15, and the threaded frame 21 is installed on the lead screw 20. Through the cooperation of the rotating gear 19 and the internal gear 18, the threaded frame 21 is driven to move on the lead screw 20, thereby driving the inner push tube 15 to move, thereby realizing the unlocking and release of the clamping rod 9.

[0033] See also Figure 1-5 As a supplementary implementation of a drilling fluid desilting and purification device for the vibration filtering mechanism, the quick clamping mechanism and the clamping auxiliary mechanism: a fixing plate 22 is fixedly provided on the side wall of the clamping tube 8, and a sealing sleeve 23 is rotatably provided on the top of the fixing plate 22, a sealing groove 24 is provided on the inner wall of the sealing sleeve 23, and the sealing sleeve 23 is rotated to press the sealing groove 24 against one end of the movable rod 11, so that the push block is pushed into the clamping groove 10 to fix the clamping rod 9 in the clamping tube 8, a lateral groove 25 is provided on the side wall of the clamping tube 8, and the threaded frame 21 extends through the lateral groove 25 and is linked with the inner push tube 15, and is installed Longitudinal plates 26 are installed on both sides of the splint 6, and a connecting plate 27 is installed at the bottom end of the side wall of the clamping tube 8, and the connecting plate 27 is fixedly installed on the longitudinal plate 26. Matching blocks 28 are symmetrically provided on the inner wall of the filter box 1, and one end of the clamping rod 9 is connected to the matching block 28, and one end of the clamping rod 9 extends through the longitudinal plate 26 and is quickly clamped with the clamping tube 8. A base 29 is installed at the bottom of the bottom plate 5, and a top cover 30 is installed at the open end of the filter box 1, and an adding bucket 31 is installed on the side of one end of the top cover 30, and a discharge assembly 32 is installed at one end of the bottom of the filter box 1.

[0034] More specifically, the drilling fluid is added to the filter box 1 through the adding bucket 31, and the bottom output end of the connecting bucket is connected to the top open end of the discharge component 32, and the vibration motor 2 is started. The drilling fluid is vibrated in the filter box 1. When passing through the filter screen 7, the solid particles are intercepted by the filter screen 7, and the purified drilling fluid flows out. The clamping rod 9 is fixed in the clamping tube 8 through the quick clamping mechanism to ensure the continuity and stability of the filtration process. Through the clamping auxiliary mechanism, the movement of the inner push tube 15 is adjusted as needed to achieve the unlocking and release of the clamping rod 9, optimize the filtration effect, and the filtered drilling fluid is discharged from the discharge component 32. Through continuous vibration and filtration, the continuous purification and discharge of the drilling fluid are achieved.

[0035] In summary, when the overall equipment is in use or running: when the vibration filtering mechanism needs to be operated, the vibration motor 2 is installed at the bottom of the filter box 1, and vibration is generated after startup. The vibration is transmitted to the lateral frame 3 through the vibration spring 4. The lateral frame 3 is installed on the four sides of the filter box 1. The two ends of the vibration spring 4 are respectively connected to the bottom plate 5 and the lateral frame 3 to support the vibration box, and at the same time, the drilling fluid in the filter box 1 is vibrated to promote the separation of solid particles and liquid in the drilling fluid. The filter screen 7 is fixedly clamped on the mounting clamp 6, and the mounting clamp 6 is mounted inside the filter box 1. When the drilling fluid passes through the filter screen 7, the solid particles are intercepted by the filter screen 7, and the purified drilling fluid flows out.

[0036] When the quick clamping mechanism is required, the filter screen 7 can be quickly installed and disassembled in the filter box 1. The clamping rod 9 can be extended into the clamping tube 8. The clamping groove 10 is arranged on the side of the clamping rod 9. The sealing sleeve 23 is rotated to press the sealing groove 24 toward one end of the movable rod 11, so that the push block is pushed into the clamping groove 10 to fix the clamping rod 9 in the clamping tube 8. The unlocking push block 14 is installed on the top of the inner push tube 15. The inner push tube 15 is movably arranged in the clamping tube 8 to unlock and release the clamping rod 9.

[0037] When the operation of the clamping auxiliary mechanism is required, the support plate 16 is fixedly installed on the side wall of the clamping tube 8, the rotating sleeve 17 is directionally set on the top end face of the support plate 16, the internal gear 18 is installed inside the rotating sleeve 17, the rotating gear 19 is installed and rotatably set on the top end face of the support plate 16, the threaded frame 21 is linked with the inner push tube 15, and the threaded frame 21 is installed on the lead screw 20. Through the cooperation of the rotating gear 19 and the internal gear 18, the threaded frame 21 is driven to move on the lead screw 20, thereby driving the inner push tube 15 to move, thereby realizing the unlocking and release of the clamping rod 9.

[0038] The drilling fluid is added to the filter box 1 through the adding bucket 31, and the bottom output end of the connecting bucket is connected to the top open end of the discharge component 32. The vibration motor 2 is started, and the drilling fluid is vibrated in the filter box 1. When passing through the filter screen 7, the solid particles are intercepted by the filter screen 7, and the purified drilling fluid flows out. The clamping rod 9 is fixed in the clamping tube 8 through the quick clamping mechanism to ensure the continuity and stability of the filtration process. Through the clamping auxiliary mechanism, the movement of the inner push tube 15 is adjusted as needed to achieve the unlocking and release of the clamping rod 9, optimize the filtration effect, and the filtered drilling fluid is discharged from the discharge component 32. Through continuous vibration and filtration, the continuous purification and discharge of the drilling fluid are achieved.

[0039] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A drilling fluid desilting and purification device, comprising a filter box (1), a vibration filtering mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, wherein: The vibration filtering mechanism comprises a vibration motor (2), a lateral frame (3), a vibration spring (4), a bottom plate (5), a mounting clamp (6) and a filter screen (7); the vibration motor (2) is mounted at the bottom of the filter box (1); the two ends of the vibration spring (4) are respectively connected to the bottom plate (5) and the lateral frame (3); the lateral frame (3) is mounted on the surrounding positions of the filter box (1); the filter screen (7) is fixedly clamped on the mounting clamp (6); the mounting clamp (6) is mounted inside the filter box (1); the quick clamping mechanism comprises a clamping tube (8), a clamping A rod (9), a clamping groove (10), a movable rod (11), a locking block (12), a slope block (13), an unlocking push block (14) and an inner push tube (15), wherein the clamping groove (10) is arranged on the side of the clamping rod (9), the movable rod (11) is arranged to be transversely movable and penetrate the side wall of the clamping tube (8), the locking block (12) is installed at one end of the movable rod (11), the slope block (13) is installed at the bottom of the locking block (12), the unlocking push block (14) is installed on the top of the inner push tube (15), and the inner push tube (15) is movably arranged in the clamping tube (8).

2. The drilling fluid desludging and purification device according to claim 1, characterized in that: The clamping auxiliary mechanism comprises a support plate (16), a rotating sleeve (17), an internal gear (18), a rotating gear (19), a lead screw (20) and a threaded frame (21); the support plate (16) is fixedly mounted on the side wall of the clamping tube (8); the rotating sleeve (17) is directionally arranged on the top end surface of the support plate (16); the internal gear (18) is mounted inside the rotating sleeve (17); the rotating gear (19) is rotatably mounted on the top end surface of the support plate (16); the threaded frame (21) is linked with the inner push tube (15), and the threaded frame (21) is mounted on the lead screw (20).

3. The desludging and purification device for drilling fluid according to claim 1, characterized in that: A fixing plate (22) is fixedly provided on the side wall of the clamping tube (8), and a sealing sleeve (23) is rotatably provided on the top of the fixing plate (22).

4. The desludging and purification device for drilling fluid according to claim 3, characterized in that: The inner wall of the blocking sleeve (23) is provided with a blocking groove (24), and the blocking sleeve (23) is rotated to press the blocking groove (24) toward one end of the movable rod (11), so that the push block is pushed into the clamping groove (10) to fix the clamping rod (9) in the clamping tube (8).

5. The desludging and purification device for drilling fluid according to claim 1, characterized in that: A lateral groove (25) is provided on the side wall of the clamping tube (8), and the threaded frame (21) extends through the lateral groove (25) and is arranged in linkage with the inner push tube (15).

6. The desludging and purification device for drilling fluid according to claim 1, characterized in that: Longitudinal plates (26) are installed on both sides of the installation clamping plate (6), and a connecting plate (27) is installed on the bottom end of the side wall of the clamping tube (8), and the connecting plate (27) is fixedly installed on the longitudinal plate (26).

7. The desludging and purification device for drilling fluid according to claim 1, characterized in that: The inner wall of the filter box (1) is symmetrically provided with a matching block (28), one end of the clamping rod (9) is connected to the matching block (28), and one end of the clamping rod (9) extends through the longitudinal plate (26) and is quickly clamped with the clamping tube (8).

8. The drilling fluid desludging and purification device according to claim 1, characterized in that: A base (29) is installed at the bottom of the bottom plate (5), a top cover (30) is provided at the open end of the filter box (1), and a adding hopper (31) is installed on one end side of the top cover (30), and a discharge assembly (32) is installed at one end of the bottom of the filter box (1).