Anti-blocking device for sewage pump

The self-regenerating filtration system addresses the labor-intensive filter maintenance issue by automating impurity removal and collection, ensuring continuous optimal filtration performance.

CN120305733APending Publication Date: 2025-07-15HONGYUN HONGHE TOBACCO (GRP) CO LTD
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Patent Information

Application Number
CN202510689739.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2025-07-15

AI Technical Summary

Technical Problem

In the prior art, the impurity treatment in the circulating water body of the water curtain dust removal equipment requires regular replacement and cleaning of the filter plate, which increases the labor intensity of the staff.

Method used

A sewage pump anti-blocking device is designed, including a box, a filtering mechanism and a collection box. The filtering mechanism is equipped with a regeneration structure, which can automatically separate impurities and collect them into the collection box to reduce the frequency of manual cleaning.

Benefits of technology

By automatically separating and collecting impurities, the labor intensity of staff is reduced, the optimal filtration state of the filtering mechanism is maintained, and the filtration efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of tobacco processing equipment, and discloses an anti-blocking device for a sewage pump, which is used for filtering water entering a sewage pump body and comprises a box body, a filter screen, a filter screen and a control device, and the top of the box body is provided with an opening; a drain hole is formed in the bottom of the box body, and the drain hole is communicated with the sewage pump body through a pipe body; the filtering mechanism is mounted in the box body, and the filtering mechanism is provided with a regeneration structure for recovering a filtering function; the collecting box is fixedly connected with the exterior of the box body; and the collecting box is provided with a drain outlet for collecting the filter material scraped by the regeneration structure. The regeneration structure can remove impurities in the filtering mechanism, so that the filtering mechanism restores the filtering function, the removed impurities are sent into the collecting box to be stored, workers only need to regularly clean the impurities in the collecting box, and compared with the situation that the workers need to regularly replace and clean the filtering net, the working efficiency is greatly improved. According to the invention, the labor intensity of workers can be reduced.
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Description

Technical Field

[0001] The present application relates to the technical field of tobacco processing equipment, and relates to an anti-blocking device for a sewage pump. Background Art

[0002] During the production and processing of cigarettes, dust is generated during the air separation process of tobacco leaves and cut tobacco. In the production line, the dust is adsorbed in the water body by a water curtain dust removal device during the air separation process. Therefore, the water body passing through the water curtain dust removal device contains small fibers and impurities. Since the water body of the water curtain dust removal device is recycled, if the impurities in the water body are not treated in time, the circulation pump that supplies the water body circulation of the water curtain dust removal device will be blocked. Therefore, to ensure the water quality of the water body of the water curtain dust removal device, a filter plate is generally arranged in the circulation water tank of the water curtain dust removal device to filter and remove the impurities in the water body, and the staff can replace and clean the filter plate regularly.

[0003] Since it is necessary for the staff to replace and clean the filter plate regularly, the labor intensity of the staff is increased, which is time-consuming and laborious. Summary of the Invention

[0004] The present application provides an anti-blocking device for a sewage pump, aiming to solve the problem of increasing the labor intensity of the staff in the prior art.

[0005] In one solution, an anti-blocking device for a sewage pump is provided for filtering the water body entering the sewage pump body, including:

[0006] A box body, the top of the box body has an opening; a drain hole is opened at the bottom of the box body, and the drain hole is communicated with the sewage pump body through a pipe body;

[0007] A filtering mechanism, the filtering mechanism is installed in the box body, and the filtering mechanism has a regeneration structure for restoring the filtering function;

[0008] A collection box, the collection box is fixedly connected to the outside of the box body; the collection box has a collection port for collecting the filter material scraped out by the regeneration structure.

[0009] Wherein, a raw water pipe is connected above the opening.

[0010] In one solution, the box body has a first bottom and a second bottom, the drain hole is located in the first bottom, and the height of the first bottom is less than the height of the second bottom; a partition is arranged at the connection between the first bottom and the second bottom.

[0011] In one solution, the filtering mechanism includes a filtering box in the shape of a cylinder, and a plurality of uniformly arranged first filtering holes are formed in the side surface of the filtering box; the regeneration structure is arranged in the filtering box to scrape the filter material in the first filtering holes; one end of the filtering box is used for connecting with the raw water pipe, and the other end is fixedly connected with a bottom plate; a through hole is formed in the bottom plate, and a collection box is fixedly connected to the bottom of the bottom plate; a sewage discharge port is formed in the collection box, and a valve body is arranged on the sewage discharge port; the collection box covers the outside of the collection box.

[0012] In one solution, the valve body includes a door plate, a telescopic rod, and a spring; the door plate is located in the collection box, and the door plate is in abutting seal with the edge of the sewage discharge port; the telescopic rod passes through the collection box and is fixedly connected with the door plate, and the telescopic rod is slidably connected with the collection box; the spring is located outside the collection box; one end of the spring is fixedly connected with the telescopic rod, and the other end abuts against the outside of the collection box.

[0013] Specifically, the bottom of the collection box is inclined, and is inclined towards the sewage discharge port.

[0014] In one solution, the regeneration structure includes a rod body, an impeller, and a first scraping plate; one end of the rod body is fixedly connected with the bottom plate, and the other end is rotatably connected with the impeller; the first scraping plate is fixedly connected with the impeller, and the edge of the first scraping plate is in fitting contact with the inner wall of the filtering box.

[0015] Specifically, the first scraping plate is spiral.

[0016] In one solution, the lower end edge of the partition plate is fixedly connected with the bottom of the box body, and the upper end edge of the partition plate is fixedly connected with a filter net.

[0017] Specifically, the filter net has a bent end for intercepting impurities.

[0018] In one solution, the regeneration structure includes a support frame, a conveyor belt, and a second scraping plate; the support frame is fixedly connected with the box body, and the conveyor belt is installed on the support frame; a first driving motor is arranged on the support frame, and the first driving motor is in transmission connection with the conveyor belt; a plurality of uniformly arranged second filtering holes are formed in the conveyor belt; the edge of the conveyor belt is in fitting contact with the inner wall of the box body; one end of the conveyor belt is located inside the box body, and the other end is in fitting contact with the second scraping plate; the second scraping plate is fixedly connected to the edge of the opening, and the collection box is located below the second scraping plate.

[0019] In one solution, the conveyor belt has a filtering section and a water draining section, and sequentially passes through the filtering section and the water draining section along the moving direction of the upper part of the conveyor belt.

[0020] Specifically, the filtering section is horizontally arranged or inclined, and the draining section is horizontally arranged or inclined.

[0021] In one embodiment, the filtering mechanism includes a filter cover covering the drainage hole, and the regeneration structure includes a third scraper in contact with the filter cover; the third scraper is connected to a drive rod, and the drive rod is transmission-connected to a second drive motor, and the second drive motor is fixedly connected to the box.

[0022] Specifically, the second drive motor is above the opening.

[0023] In one embodiment, the collecting box is fixedly connected to the bottom surface of the first bottom portion, a drainage hole is provided on the first bottom portion, the drainage hole is communicated with the collecting box, and the collecting box is covered on the outside of the collecting box.

[0024] Beneficial effects of this application:

[0025] The water after the smoke and dust impurities are adsorbed in the water curtain dust removal equipment enters the box through the raw water pipe. The impurities are separated from the raw water when the raw water passes through the filtering mechanism, and the impurities are enriched in the filtering mechanism. The regeneration structure can remove the impurities in the filtering mechanism, so that the filtering mechanism can restore the filtering function. The removed impurities are sent to the collection box for storage. The staff only needs to clean the impurities in the collection box regularly. Compared with the situation where the staff needs to replace and clean the filter net regularly, this application can reduce the labor intensity of the staff. At the same time, due to the continuous work of the regeneration structure, the filtering mechanism can always be in the best filtering state, thereby improving the working efficiency of the filtering mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0027] Figure 1 This is a schematic diagram of the anti-blocking device structure of an embodiment of the present application (with a filter box);

[0028] Figure 2 yes Figure 1 Schematic diagram of the cross-sectional structure of the middle anti-blocking device;

[0029] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0030] Figure 4It is a schematic cross-sectional structure diagram of the anti-blocking device in an embodiment of the present application (one way with a conveyor belt);

[0031] Figure 5 It is a schematic cross-sectional structure diagram of the anti-blocking device in an embodiment of the present application (another way with a conveyor belt);

[0032] Figure 6 It is a schematic cross-sectional structure diagram of the anti-blocking device in an embodiment of the present application (with a third scraper);

[0033] Reference numerals in the figure:

[0034] 1. Sewage pump body; 11. Pipe body; 2. Box body; 21. Opening; 22. Drainage hole; 23. First bottom; 24. Second bottom; 25. Partition board; 26. Filter screen; 3. Filter mechanism; 31. Regeneration structure; 311. Rod body; 312. Impeller; 313. First scraper; 314. Support frame; 315. Conveyor belt; 3151. Filter section; 3152. Drainage section; 316. Second scraper; 317. First drive motor; 318. Third scraper; 319. Drive rod; 3110. Second drive motor; 32. Filter box; 33. First filter hole; 34. Bottom plate; 35. Through hole; 36. Collection box; 37. Valve body; 371. Door panel; 372. Expansion rod; 373. Spring; 374. Sewage outlet; 38. Filter cover; 4. Collection box; 41. Collection port; 5. Raw water pipe. Detailed implementation manners

[0035] The following will further describe in detail the specific implementation manners of the present application in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application. Similarly, the following embodiments are only partial embodiments of the present application rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present application.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0038] In the present invention, unless otherwise clearly specified and defined, terms such as "installed", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0040] In the present invention, terms such as "an embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0041] This application makes improvements and innovations and proposes the following embodiments.

[0042] In some embodiments, please refer to Figures 1 to 6 , a sewage pump anti-blocking device is provided for filtering the water body entering the sewage pump body 1, including:

[0043] The box body 2 has an opening 21 at the top; a drain hole 22 is provided at the bottom of the box body 2, and the drain hole 22 is communicated with the sewage pump body 1 through a pipe body 11;

[0044] The filtering mechanism 3 is installed in the box body 2, and the filtering mechanism 3 has a regeneration structure 31 for restoring the filtering function;

[0045] The collection box 4 is fixedly connected to the outside of the box body 2; the collection box 4 has a collection port 41 for collecting the filter media scraped out by the regeneration structure 31.

[0046] Among them, a raw water pipe 5 is connected above the opening 21.

[0047] The water body adsorbed with soot and impurities in the water curtain dust removal equipment enters the box body 2 through the raw water pipe 5. When the raw water passes through the filtering mechanism 3, the impurities are separated from the raw water, and the impurities are enriched in the filtering mechanism 3. The regeneration structure 31 can remove the impurities in the filtering mechanism 3, so that the filtering mechanism 3 restores the filtering function. The removed impurities are sent into the collection box 4 for storage. The staff only needs to regularly clean the impurities in the collection box 4. Compared with the situation where the staff needs to regularly replace and clean the filter screen 26, this application can reduce the labor intensity of the staff. At the same time, due to the continuous operation of the regeneration structure 31, the filtering mechanism 3 can always be in the best filtering state, thereby improving the working efficiency of the filtering mechanism 3.

[0048] In some embodiments, the box body 2 has a first bottom 23 and a second bottom 24. The drain hole 22 is located in the first bottom 23, and the height of the first bottom 23 is less than the height of the second bottom 24; a partition 25 is provided at the connection between the first bottom 23 and the second bottom 24. The arrangement of the partition 25 can divide the box body 2 into two areas, which is convenient for separating and placing the treated water body and ensuring the quality of the water body entering the sewage pump body 1.

[0049] In some embodiments, the filtering mechanism 3 includes a cylindrical filtering box 32, and a plurality of uniformly arranged first filtering holes 33 are formed in the side surface of the filtering box 32; a regeneration structure 31 is arranged in the filtering box 32 to scrape the filter material in the first filtering holes 33; one end of the filtering box 32 is used for connecting with the raw water pipe 5, and the other end is fixedly connected with a bottom plate 34; a through hole 35 is formed in the bottom plate 34, and a collecting box 36 is fixedly connected to the bottom of the bottom plate 34; a sewage discharge port 374 is formed in the collecting box 36, and a valve body 37 is arranged on the sewage discharge port 374; a collecting box 4 is wrapped outside the collecting box 36. After the water body passes through the filtering box 32, impurities are left in the filtering box 32 after passing through the first filtering holes 33, and the impurities attached to the first filtering holes 33 are scraped off by the regeneration structure 31, so as to realize the regeneration of the filtering function of the filtering box 32. The scraped impurities are deposited in the collecting box 36 under the action of gravity and water flow. By opening the valve body 37 on the collecting box 36, the impurities flow out into the collecting box 4. This setting can improve the filtering efficiency, and the structure is simple, practical and reliable.

[0050] In some embodiments, the valve body 37 includes a door plate 371, a telescopic rod 372, and a spring 373; the door plate 371 is located in the collecting box 36, and the door plate 371 abuts against and seals the edge of the sewage discharge port 374; the telescopic rod 372 passes through the collecting box 4 and is fixedly connected with the door plate 371, and the telescopic rod 372 is slidably connected with the collecting box 4; the spring 373 is located outside the collecting box 4; one end of the spring 373 is fixedly connected with the telescopic rod 372, and the other end abuts against the outside of the collecting box 4. By pushing the telescopic rod 372, and then pushing the door plate 371 to separate from the sewage discharge port 374, the action of discharging impurities is realized, and the door plate 371 is in a normally closed state under the action of water pressure and the spring 373. The valve body 37 has a simple structure, reasonable design, and is practical and reliable.

[0051] Specifically, the bottom of the collecting box 36 is inclined, and is inclined towards the sewage discharge port 374. The inclined surface can help the impurities to gather towards the sewage discharge port 374, which is convenient for later discharge.

[0052] In some embodiments, the regeneration structure 31 includes a rod body 311, an impeller 312, and a first scraping plate 313; one end of the rod body 311 is fixedly connected with the bottom plate 34, and the other end is rotatably connected with the impeller 312; the first scraping plate 313 is fixedly connected with the impeller 312, and the edge of the first scraping plate 313 is in close contact with the inner wall of the filtering box 32. The impeller 312 will rotate under the action of water power, and then drive the first scraping plate 313 to rotate together. The rotating first scraping plate 313 scrapes off the impurities attached in the first filtering holes 33, ensuring the filtering ability of the first filtering holes 33.

[0053] Specifically, the first scraping plate 313 is spiral-shaped. The spiral-shaped first scraping plate 313 can facilitate the pushing of the scraped impurities towards the bottom of the filtering box 32. It is convenient for the impurities to be enriched and discharged at the bottom.

[0054] In some embodiments, the lower end edge of the partition plate 25 is fixedly connected to the bottom of the box body 2, and a filter screen 26 is fixedly connected to the upper end edge of the partition plate 25. The filter screen 26 is provided to perform secondary filtration on the water passing through the filter tank 32, ensuring the clarity of the water quality to meet the requirements of the sewage pump body 1 and reducing the blockage of the sewage pump body 1.

[0055] Specifically, the filter screen 26 has a bent end for intercepting impurities. The bent section is provided to facilitate the accumulation of impurities on the filter screen 26, so as to facilitate the removal of impurities by the staff.

[0056] In some embodiments, the regeneration structure 31 includes a support frame 314, a conveyor belt 315, and a second scraper 316; the support frame 314 is fixedly connected to the box body 2, and the conveyor belt 315 is installed on the support frame 314; a first drive motor 317 is provided on the support frame 314, and the first drive motor 317 is in transmission connection with the conveyor belt 315; a plurality of uniformly arranged second filter holes are formed in the conveyor belt 315; the edge of the conveyor belt 315 is in close contact with the inner wall of the box body 2; one end of the conveyor belt 315 is located inside the box body 2, and the other end is in close contact with the second scraper 316; the second scraper 316 is fixedly connected to the edge of the opening 21, and the collection box 4 is located below the second scraper 316. Second filter holes are formed in the conveyor belt 315. After the raw water passes through the second filter holes, the impurities remain on the conveyor belt 315, and the filtered raw water flows downward into the drain hole 22 and is discharged through the sewage pump body 1. When the impurities remaining on the conveyor belt 315 move to the second scraper 316 along with the movement of the conveyor belt 315, they are scraped off by the second scraper 316, and the impurities fall into the collection box 4, realizing the collection of impurities. The regeneration structure 31 reasonably utilizes the function of the conveyor belt 315 and combines the function of the filter screen 26, using the conveyor belt 315 to achieve the functions of filtration and regeneration, with a simple structure, reducing the use of components and lowering the production cost.

[0057] In some embodiments, the conveyor belt 315 has a filtering section 3151 and a water draining section 3152, and sequentially passes through the filtering section 3151 and the water draining section 3152 along the moving direction of the upper part of the conveyor belt 315. The conveyor belt 315 is divided into the filtering section 3151 and the water draining section 3152, which can separate the impurities on the conveyor belt 315 from the water after filtration, reducing the situation that a large amount of water is carried by the impurities into the collection box 4 and reducing the frequency of the staff needing to replace or clean the collection box 4 frequently.

[0058] Specifically, the filtering section 3151 is arranged horizontally or obliquely, and the water draining section 3152 is arranged horizontally or obliquely.

[0059] In some embodiments, the filtering mechanism 3 includes a filter cover 38 covering the drain hole 22, and the regeneration structure 31 includes a third scraper 318 in fitting contact with the filter cover 38; the third scraper 318 is connected to a driving rod 319, and the driving rod 319 is drivingly connected to a second driving motor 3110, and the second driving motor 3110 is fixedly connected to the box body 2. The impurities on the filter cover 38 are scraped off by the motor-driven third scraper 318 and pushed into the collection box 4, realizing the regeneration of the filtering capacity of the filter cover 38 and facilitating the collection of impurities. Its structure is simple, the design is reasonable, and it is practical and reliable.

[0060] Specifically, the second driving motor 3110 is above the opening 21.

[0061] In some embodiments, a collection box 36 is fixedly connected to the bottom surface of the first bottom 23, a sewage discharge hole is formed in the first bottom 23, the sewage discharge hole is communicated with the collection box 36, and the collection box 4 is wrapped outside the collection box 36. The collection box 36 has a simple structure, reasonable design, and is practical and reliable.

[0062] The above are only optional embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, replacements, and variations to the above embodiments within the scope of the present invention.

Claims

1. A sewage pump anti-blocking device for filtering the water body entering the sewage pump body, characterized in that Including: A box body, the top of the box body has an opening; a drain hole is opened at the bottom of the box body, and the drain hole is communicated with the sewage pump body through a pipe body; A filtering mechanism, the filtering mechanism is installed in the box body, and the filtering mechanism has a regeneration structure for restoring the filtering function; A collection box, the collection box is fixedly connected to the outside of the box body; the collection box has a collection port for collecting the filter media scraped out by the regeneration structure.

2. The anti-blocking device according to claim 1, characterized in that, The box body has a first bottom and a second bottom, the drain hole is located in the first bottom, and the height of the first bottom is less than the height of the second bottom; a partition is provided at the connection between the first bottom and the second bottom.

3. The anti-blocking device according to claim 2, characterized in that, The filtering mechanism includes a cylindrical filtering box, and a plurality of uniformly arranged first filtering holes are opened on the side surface of the filtering box; the regeneration structure is arranged in the filtering box to scrape the filter media in the first filtering holes; one end of the filtering box is used for connecting with the raw water pipe, and the other end is fixedly connected with a bottom plate; a through hole is opened on the bottom plate, and a collection box is fixedly connected to the bottom of the bottom plate; a sewage discharge port is opened on the collection box, and a valve body is provided on the sewage discharge port; the collection box covers the outside of the collection box.

4. The anti-blocking device according to claim 3, characterized in that, The valve body includes a door panel, a telescopic rod, and a spring; the door panel is located in the collection box, and the door panel abuts and seals against the edge of the sewage discharge port; the telescopic rod passes through the collection box and is fixedly connected with the door panel, and the telescopic rod is slidably connected with the collection box; the spring is located outside the collection box; one end of the spring is fixedly connected with the telescopic rod, and the other end abuts against the outside of the collection box.

5. The anti-blocking device according to claim 4, characterized in that, The regeneration structure includes a rod body, an impeller, and a first scraping plate; one end of the rod body is fixedly connected with the bottom plate, and the other end is rotatably connected with the impeller; the first scraping plate is fixedly connected with the impeller, and the edge of the first scraping plate is in close contact with the inner wall of the filtering box.

6. The anti-blocking device according to claim 2, characterized in that, The lower edge of the partition is fixedly connected with the bottom of the box body, and the upper edge of the partition is fixedly connected with a filter net.

7. The anti-blocking device according to claim 1 or 2, characterized in that, The regeneration structure includes a support frame, a conveyor belt, and a second scraping plate; the support frame is fixedly connected with the box body, and the conveyor belt is installed on the support frame; a first driving motor is arranged on the support frame, and the first driving motor is in transmission connection with the conveyor belt; a plurality of uniformly arranged second filtering holes are opened on the conveyor belt; the edge of the conveyor belt is in close contact with the inner wall of the box body; one end of the conveyor belt is located in the box body, and the other end is in close contact with the second scraping plate; the second scraping plate is fixedly connected to the edge of the opening, and the collection box is located below the second scraping plate.

8. The anti-blocking device according to claim 7, characterized in that, The conveyor belt has a filtering section and a water draining section, and sequentially passes through the filtering section and the water draining section along the moving direction of the upper part of the conveyor belt.

9. The anti-blocking device according to claim 4, characterized in that, The filtering mechanism includes a filter cover covering the drain hole, and the regeneration structure includes a third scraping plate in close contact with the filter cover; the third scraping plate is connected to a driving rod, and the driving rod is in transmission connection with a second driving motor, and the second driving motor is fixedly connected with the box body.

10. The anti-blocking device according to claim 9, characterized in that, The collection box is fixedly connected to the bottom surface of the first bottom. A sewage discharge hole is formed in the first bottom, and the sewage discharge hole communicates with the collection box. The collection bag covers the outside of the collection box.