Horizontal-flow sedimentation tank inner wall cleaning device

Abstract

The application discloses a horizontal flow sedimentation tank inner wall cleaning device, including a sedimentation tank body, the top of the sedimentation tank body, the side surface of the front and rear ends is equipped with a support frame, a rotatable screw rod is arranged between the support frames, the surface of the support frame is provided with a driving part along the first direction, and the screw rod is driven to rotate, and an impurity conveying frame is arranged on the top of the sedimentation tank body and comprises a conveying cylinder. The horizontal flow sedimentation tank inner wall cleaning device can reduce the cleaning mode of emptying the water source of the sedimentation tank, can work in the state that the sedimentation tank is full of water, can clean the impurities on the inner wall through a scraper, the impurities can enter the conveying cylinder through the liquid inlet of the liquid discharge cylinder, the filter layer is used for intercepting the impurities, and meanwhile, water flow is allowed to pass, so that the impurities are prevented from scattering in the water, cleaning, filtering and collecting are simultaneously realized, the cleaning efficiency is greatly improved, time cost and water resources are saved, and the continuous and stable operation of the sedimentation tank is ensured.

Description

Technical Field

[0001] This invention relates to the field of sedimentation tank cleaning, specifically to a device for cleaning the inner wall of a horizontal flow sedimentation tank. Background Technology

[0002] In water treatment processes, horizontal flow sedimentation tanks are key equipment for solid-liquid separation. They use gravity settling to precipitate suspended particles in water and are widely used in municipal wastewater treatment, industrial wastewater treatment, and drinking water purification. However, with long-term operation, the inner walls of horizontal flow sedimentation tanks gradually accumulate large amounts of silt, algae, microbial biofilms, and other sediments. These deposits not only reduce the effective volume of the sedimentation tank and decrease sedimentation efficiency, but may also breed bacteria, affecting the quality of the effluent, and even corroding the tank structure, shortening the equipment's lifespan.

[0003] In the prior art, CN114452687A discloses a tank wall cleaning device for a horizontal flow sedimentation tank, which includes a sedimentation tank body, a sludge scraper, a sludge scraper plate, and a sludge storage tank. The top of the sedimentation tank body is uniformly provided with transmission gears, and two sets of scraper blades are slidably connected to the inner wall. Both ends of the sludge scraper are fixedly installed with transmission racks, which mesh with the transmission gears. The end of the sedimentation tank body is provided with a drive assembly, and two sets of scraper blocks are slidably connected to the middle of the scraper blades.

[0004] The impurities adhering to the inner wall of the sedimentation tank are scraped off to the bottom by moving scraper bars. The scraped impurities are then pushed into the sludge storage tank by the sludge scraper, eliminating the need for manual cleaning by staff. However, the sedimentation tank needs to be emptied of water before cleaning. If the sedimentation tank is full of water, the impurities will scatter in the water when the scraper bars move, making it impossible to concentrate and process them. This cleaning method is not only time-consuming but also increases costs.

[0005] In view of this, a device for cleaning the inner wall of a horizontal flow sedimentation tank is proposed. Summary of the Invention

[0006] To address the shortcomings of existing technologies, this invention provides a device for cleaning the inner wall of a horizontal flow sedimentation tank. This device allows the inner wall of the sedimentation tank to be cleaned even when the tank is filled with water, thereby improving cleaning efficiency and reducing costs.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a horizontal flow sedimentation tank inner wall cleaning device, comprising; A sedimentation tank body, wherein the top and the sides of the front and rear ends of the sedimentation tank body are provided with support frames, and a rotatable screw is provided between the support frames. The sedimentation tank body is provided with a driving component on the surface of the support frames along a first direction, which is used to drive the screw to rotate. An impurity conveying frame includes a conveying cylinder located at the top of the sedimentation tank, with an open bottom. The left and right ends of the conveying cylinder are located on the surface of the screw. At the bottom of the left and right ends of the conveying cylinder, on the inner wall of the sedimentation tank, there is a drain cylinder with its top end connected to the conveying cylinder. The surface of the drain cylinder has inlets equidistantly opened. The cleaning assembly includes a scraper on the surface of the drain cylinder for cleaning the inner wall, and a sludge scraping box is provided on the inner wall at both ends of the sedimentation tank. The surface of the sludge scraping box is provided with a nylon rope, and the other end of the nylon rope passes through a pulley on the surface of the support frame and is fixedly connected to the conveying cylinder. The transmission component includes a conveying roller disposed inside the conveying cylinder, a conveying wheel disposed inside the draining cylinder for use with the conveying roller, and a power component disposed at the top of the conveying cylinder for driving the conveying roller and the conveying wheel to rotate. The conveying cylinder also includes a filter layer disposed inside it; The conveying cylinder has an installation groove inside, and the filter layer is detachably connected to the inside of the installation groove to cover the opening at the bottom of the conveying cylinder and to filter impurities in the water source. The driving component includes a mounting plate disposed on the surface of the support frame along a first direction. A motor is disposed on the surface of the mounting plate. A sprocket is fixedly connected to one end of the screw along the first direction. A chain is meshed with the surface of the sprocket. The output end of the motor is fixedly connected to the end of the sprocket away from the screw. The power unit includes a second motor fixedly connected to the top of the conveying cylinder, the output end of the second motor extending into the interior of the conveying cylinder, and having a drive wheel; The two ends of the conveying cylinder are detachably connected to arc-shaped parts, which are threaded to the surface of the screw through protrusion ends; The top of the conveyor wheel extends into the interior of the conveyor cylinder, and a conveyor belt is wound around the surface of the drive wheel. The end of the conveyor belt away from the drive wheel is wound around the outer wall of the top of the conveyor wheel to drive it to rotate synchronously.

[0008] The present invention has the following beneficial effects: This horizontal flow sedimentation tank inner wall cleaning device reduces the need to empty the sedimentation tank before cleaning. The device can operate when the sedimentation tank is full of water. It cleans impurities on the inner wall with a scraper. The impurities enter the conveying cylinder through the inlet of the drain cylinder. The filter layer intercepts the impurities while allowing water to flow through, preventing impurities from scattering in the water. This achieves cleaning and filtration collection at the same time, which greatly improves cleaning efficiency, saves time and water resources, and ensures the continuous and stable operation of the sedimentation tank. This is a horizontal flow sedimentation tank inner wall cleaning device. The drive component has a motor 1 that drives the screw to rotate through a sprocket and chain drive, thereby moving the impurity conveying frame along the sedimentation tank body. The power component has a motor 2 that drives the conveying roller and conveying wheel to rotate through a drive wheel and conveyor belt. When the conveying wheel rotates, it can generate suction inside the drain cylinder. The impurities scraped off by the scraper enter the interior of the drain cylinder from the inlet and continuously surge upwards, so that they enter the interior of the conveying cylinder. With the cooperation of the conveying roller and the filter layer, the impurities are automatically separated and conveyed, reducing manual intervention and lowering labor intensity and labor costs. This is a horizontal flow sedimentation tank inner wall cleaning device. The conveying roller and conveying wheel in the conveying cylinder cooperate to discharge the filtered impurities from the slag outlet. The impurities are pushed to the slag discharge channel by the push plate to realize the centralized collection and discharge of impurities, which facilitates subsequent unified treatment, ensures the cleanliness of the sedimentation tank, and improves the sedimentation effect and effluent water quality. This is a horizontal flow sedimentation tank inner wall cleaning device. When the conveyor cylinder moves to the right, it drives the scraper box to move upward with the help of the nylon rope. Conversely, it can drive the other scraper box to move upward, which facilitates the cleaning of the inner walls at both ends of the sedimentation tank. The filter layer is detachably connected to the installation groove of the conveyor cylinder, which is convenient for regular cleaning or replacement to maintain the filtration effect. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the sedimentation tank structure of the present invention; Figure 2 This is a schematic diagram of the disassembly structure of the sedimentation tank and the arc-shaped plate of the present invention; Figure 3 This is a schematic diagram of part of the sedimentation tank structure of the present invention; Figure 4 This is a schematic diagram of the conveying cylinder and the draining cylinder of the present invention; Figure 5 This is a schematic diagram of the internal structure of the conveying cylinder of the present invention; Figure 6 This is a schematic diagram of the internal structure of the drain cylinder of the present invention; Figure 7 This is a schematic diagram of the filter layer structure of the present invention; Figure 8 This is a schematic diagram of the scraper box structure of the present invention; Figure 9 This is a cross-sectional view of the filter layer of the present invention installed inside the conveying cylinder; Figure 10 This is a schematic diagram of the connection structure between the inner support rod, the conveying roller, and the conveying wheel of the present invention; Figure 11 For the present invention Figure 2 Enlarged structural diagram at point A in the middle; Figure 12 For the present invention Figure 5 Enlarged structural diagram at point B; Figure 13 For the present invention Figure 6 Enlarged structural diagram at point C.

[0010] The components include: 1. Sedimentation tank body; 2. Support frame; 3. Screw; 4. Conveying cylinder; 5. Drainage cylinder; 6. Inlet; 7. Scraper; 8. Sludge scraper box; 9. Nylon rope; 10. Conveying roller; 11. Conveying wheel; 12. Filter layer; 13. Mounting groove; 14. Mounting plate; 15. Motor 1; 16. Sprocket; 17. Chain; 18. Cavity; 19. Slag outlet; 20. Motor 2; 21. Drive wheel; 22. Conveyor belt; 23. Support rod; 24. Helical gear 1; 25. Helical gear 2; 26. Slag discharge channel; 27. Push plate; 28. Positioning rod; 29. ​​Internally threaded cylinder; 30. Baffle; 31. Arc-shaped component. Detailed Implementation

[0011] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0012] Please see Figures 1 to 13 This invention provides a device for cleaning the inner wall of a horizontal flow sedimentation tank; including... The sedimentation tank body 1 has support frames 2 on the top and front and rear sides. A rotatable screw 3 is provided between the support frames 2. The sedimentation tank body 1 has a driving component on the surface of the support frame 2 along a first direction, which is used to drive the screw 3 to rotate. The end of the screw 3 away from the driving component extends into the interior of the support frame 2. The two ends of the conveying cylinder 4 are detachably connected to arc-shaped parts 31. The arc-shaped parts 31 are threadedly connected to the surface of the screw 3 through the protrusion end.

[0013] like Figure 1 , 2 As shown in Figure 3, the two ends of the arc-shaped part 31 are fixedly connected to the two sides of the conveying cylinder 4 by bolts. Internal threaded holes are provided on both sides of the conveying cylinder 4 to facilitate the use of bolts and to quickly disassemble and assemble the arc-shaped part 31, so as to facilitate the disassembly and maintenance of the conveying cylinder 4 in the future. A connecting rod is fixedly connected to the surface of the protrusion of the arc-shaped part 31. A collar is fixedly connected to both ends of the connecting rod. The collar is sleeved on the surface of the screw 3. The inner wall of the collar is provided with bristles that abut against the surface of the screw 3. When the screw 3 rotates, with the cooperation of the bristles, impurities on its surface can be reduced, and its stability in use with the arc-shaped part 31 can be improved.

[0014] Impurity conveying frame, the impurity conveying frame includes a conveying cylinder 4 located at the top of the sedimentation tank 1, and its bottom is open. The left and right ends of the conveying cylinder 4 are located on the surface of the screw 3. The bottom of the left and right ends of the conveying cylinder 4 and the part located on the inner side wall of the sedimentation tank 1 are provided with a drain cylinder 5, and its top end is connected to the conveying cylinder 4. The surface of the drain cylinder 5 is provided with inlet ports 6 at equal intervals. like Figure 4 As shown, in order to reduce the resistance when the discharge cylinder 5 moves in the water, rollers (not shown in the figure) can be installed at the bottom of the conveying cylinder 4 and at the part that abuts against the platforms on both sides of the sedimentation tank 1. At this time, when the screw 3 rotates and the conveying cylinder 4 drives the discharge cylinder 5 to move, the resistance during movement can be reduced, energy consumption can be reduced, and the equipment can be kept running for a long time.

[0015] The cleaning assembly includes a scraper 7 on the surface of the drain cylinder 5 for cleaning the inner wall. The inclined part of the scraper 7 abuts against the inner wall of the sedimentation tank 1. The inner walls at both ends of the sedimentation tank 1 are provided with a sludge scraping box 8. The surface of the sludge scraping box 8 is provided with a nylon rope 9. The other end of the nylon rope 9 passes through the pulley on the surface of the support frame 2 and is fixedly connected to the conveying cylinder 4. The sedimentation tank 1 has slag discharge channels 26 on both sides near the screw 3 for removing impurities. The conveying cylinder 4 has push plates 27 on both sides, with the bottom of the push plates 27 extending into the interior of the slag discharge channels 26. Among them, the end of the nylon rope 9 away from the scraper box 8 is fixedly connected to the middle of both sides of the conveying cylinder 4. When the conveying cylinder 4 is in the middle of the sedimentation tank 1, when the conveying cylinder 4 moves to the left to the end, the nylon rope on the right side drives the scraper box to move out of the interior of the sedimentation tank 1. When the conveying cylinder 4 moves to the right, the scraper box on the left end rises. like Figure 8 As shown, the scraper box 8 is inclined at the part that abuts against the wall. Its inner bottom wall and side wall are in the shape of a filter screen. When the scraper box 8 moves upward, water leaks out from the filter screen part and impurities are stored inside. The left end of the scraper box 8 is open. When the scraper box 8 is moved out of the sedimentation tank 1, the impurities can be scraped from inside to the inside of the slag discharge channel 26 by the external scraper.

[0016] The transmission component includes a conveying roller 10 disposed inside the conveying cylinder 4, a conveying wheel 11 disposed inside the drain cylinder 5 for use with the conveying roller 10, and a power component disposed on the top of the conveying cylinder 4 for driving the conveying roller 10 and the conveying wheel 11 to rotate. The conveying cylinder 4 also includes a filter layer 12 disposed inside it.

[0017] When the conveying cylinder 4 drives the drain cylinder 5 to move to the left or right, with the cooperation of the scraper 7, the mud, sand, algae and microorganisms adhering to the sedimentation tank body 1 and the inner wall can be scraped off. At this time, the power component drives the conveyor roller 10 to rotate, which in turn drives the conveyor wheel 11 to rotate. When the conveyor roller 10 rotates, the inlet 6 will generate suction. The impurities scraped off by the scraper 7 from the inner wall of the sedimentation tank 1 are sucked into the discharge cylinder 5 from the inlet 6 and then continuously surge upwards into the conveyor cylinder 4. After the conveyor roller 10 rotates, the water source is filtered by the filter layer 12, and the impurities are discharged to both ends into the slag discharge channel 26. The water flows back into the sedimentation tank 1 through the filter layer 12. When the conveyor cylinder 4 moves left and right, it can drive the pusher plate 27 to push the residue in the slag discharge channel 26 to the front and rear ends of the sedimentation tank 1, thus facilitating subsequent centralized treatment.

[0018] The conveying cylinder 4 has an internal mounting groove 13. The filter layer 12 is detachably connected to the inside of the mounting groove 13 to cover the opening at the bottom of the conveying cylinder 4 and to filter impurities in the water source. The driving component includes a mounting plate 14 on the surface of the support frame 2 along the first direction. A motor 15 is provided on the surface of the mounting plate 14. A sprocket 16 is fixedly connected to one end of the screw 3 along the first direction. A chain 17 is meshed on the surface of the sprocket 16. The output end of the motor 15 is fixedly connected to the end of the sprocket 16 away from the screw 3.

[0019] like Figure 3 As shown, starting motor 15 can drive the sprocket 16 at point a to rotate, which in turn drives the screw 3 to rotate. With the cooperation of chain 17, the sprocket and screw at point b are driven to rotate simultaneously, which facilitates the left and right movement of the conveyor cylinder 4 and makes it easier to clean the inner wall of the sedimentation tank 1.

[0020] like Figure 5 , 7 As shown, the filter layer 12 is made of soft metal. During installation, it can be inserted into the mounting groove 13 from both sides of the conveying cylinder 4 to complete the installation. To prevent the filter layer 12 from moving out of the mounting groove 13 during use, rotatable baffles are provided on both sides of the conveying cylinder 4 near the filter layer 12, and the downward part of the baffles is just at the side of the filter layer 12, which can prevent the filter layer from moving out of the mounting groove 13 and maintain its stability during use.

[0021] The conveying cylinder 4 has two cavities 18 inside, and the conveying roller 10 is located inside the cavity 18. Slag outlets 19 are opened at the left and right ends of the conveying cylinder 4 and are used in conjunction with the conveying roller 10 to discharge the filtered impurities.

[0022] The power unit includes a second motor 20 fixedly connected to the top of the conveying cylinder 4. The output end of the second motor 20 extends into the interior of the conveying cylinder 4 and is provided with a drive wheel 21. The top end of the conveying wheel 11 extends into the interior of the conveying cylinder 4. A conveyor belt 22 is wound around the surface of the drive wheel 21. The end of the conveyor belt 22 away from the drive wheel 21 is wound around the outer wall of the top end of the conveying wheel 11 to drive it to rotate synchronously.

[0023] The outer wall of the top of the conveyor wheel 11 is provided with a support rod 23. The two ends of the support rod 23 are fixedly connected to the inner wall of the conveyor cylinder 4 to support the conveyor roller 10. There are two conveyor rollers 10, which are located in the corresponding cavities 18. The outer wall of the conveyor wheel 11 located inside the support rod 23 is provided with a helical gear 24. One end of the conveyor roller 10 near the conveyor wheel 11 extends into the support rod 23 and is provided with a helical gear 25. The helical gear 25 meshes with the helical gear 24.

[0024] like Figure 5 , 9 As shown in Figure 10, when the second motor 20 is started, it can drive the drive wheel 21 to rotate. Since the drive wheel 21 is connected to the conveyor wheel 11 through the conveyor belt 22, when the drive wheel 21 rotates, it synchronously drives the conveyor wheel 11 to rotate. At the same time, the conveyor wheel 11 and the conveyor roller 10 are connected by the meshing of the first helical gear 24 and the second helical gear 25, so the conveyor roller 10 is synchronously driven to rotate. The support rod 23 maintains the stability of the connection between the conveyor wheel 11 and the conveyor roller 10. There are two drain cylinders 5, symmetrically arranged about the vertical center line of the conveyor cylinder 4. When cleaning impurities, the water in the left drain cylinder is filtered, and the impurities are discharged from point d. The water in the right drain cylinder is filtered, and the impurities are discharged from point c. The impurities discharged from points c and d are discharged into the slag discharge channel 26, where, with the assistance of the push plate 27, the impurities are concentrated and processed. The support frame 2 has arc-shaped plates at both ends for protecting the screw 3. The outer wall of the drain cylinder 5 is provided with positioning rods 28 at equal intervals. The surface of the positioning rods 28 is threaded with an internal thread cylinder 29. The end of the internal thread cylinder 29 away from the positioning rods 28 is fitted with a baffle 30. The bottom of the baffle 30 away from the internal thread cylinder 29 is fixedly connected with an installation cylinder for connecting the required sludge scraper to scrape the bottom of the sedimentation tank 1.

[0025] When the water inside the sedimentation tank is emptied, a scraper can be installed at the location of the installation cylinder to clean the bottom of the sedimentation tank 1. When the discharge cylinder 5 moves, the scraper moves synchronously to discharge the sludge at the bottom of the sedimentation tank 1 to the designated location.

[0026] The curved plate can protect the screw 3, reduce damage caused by external factors, and extend its service life. When the drain cylinder 5 drives the scraper 7 to move left or right in the water, the scraper 7 scrapes away the impurities on the inner wall of the sedimentation tank 1. The baffle 30 changes the flow direction and velocity distribution of the water flow near the drain cylinder 5. When the water flow encounters the baffle 30, it changes the flow direction. The water flow that might have diffused to the middle of the sedimentation tank 1 will flow more towards the drain cylinder 5, thereby reducing the situation of carrying impurities to diffuse to the middle, making it easier for impurities to be collected by the drain cylinder 5 or to move to a specific discharge direction. like Figure 13 As shown, in order to reduce damage to the scraper 7, the outer wall of the drain cylinder 5 is provided with a collar (shown in the figure, not labeled) by bolts. The scraper 7 is fixedly connected to the collar with a positioning rod (shown in the figure, not labeled) at the part that abuts against the collar. The other end of the positioning rod extends into the inside of the collar and is fixedly connected to a spring (shown in the figure, not labeled). When the scraper 7 moves, the positioning rod and the spring work together to reduce the buffering when the scraper 7 moves, reduce the damage to the scraper 7, and improve its service life.

[0027] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0028] The working steps of the device in this invention are as follows: The motor 15 is started. The motor 15 drives the screw 3 to rotate through the sprocket 16 and chain 17, thereby causing the conveying cylinder 4 sleeved on the screw 3 to move along the length of the sedimentation tank 1. During the movement of the conveying cylinder 4, the scraper 7 fixed to the surface of the drain cylinder 5 is in close contact with the inner wall of the sedimentation tank 1, scraping off the attached mud, algae and other impurities. Water containing impurities enters the drain cylinder 5 through the inlet 6 on its surface, and then flows into the conveying cylinder 4 connected to the drain cylinder 5. As the water flows through the conveying cylinder 4, the filter layer 12 installed in the installation groove 13 filters the water and intercepts impurities. The filtered water then flows back to the sedimentation tank 1. The second motor 20 is started, driving the drive wheel 21 at its output end to rotate. The conveyor belt 22, wound around the drive wheel 21 and the conveyor wheel 11, drives the conveyor wheel 11 inside the discharge cylinder 5 to rotate synchronously. The conveyor wheel 11 is driven by a helical gear 24 on its outer wall meshing with a helical gear 25 at the end of the conveyor roller 10, causing the conveyor roller 10 located in the cavity 18 of the conveyor cylinder 4 to rotate. The rotating conveyor roller 10 pushes out the impurities intercepted by the filter layer 12 from the slag outlet 19. The push plates 27 on both sides of the conveying cylinder 4 push the impurities pushed out of the slag outlet 19 to the slag discharge channels 26 on both sides of the sedimentation tank 1, so as to achieve the centralized discharge of impurities. During the movement of the conveyor cylinder 4, the nylon rope 9 connecting the scraper box 8 and the conveyor cylinder 4 is pulled, causing the scraper box 8 to move up and down along the front and rear inner walls of the sedimentation tank 1, further cleaning the impurities in the area.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for cleaning the inner wall of a horizontal flow sedimentation tank, characterized in that, include; A sedimentation tank body (1) is provided with a support frame (2) on the top and the sides at both ends of the sedimentation tank body (1). A rotatable screw (3) is provided between the support frames (2). A driving member is provided on the surface of the support frame (2) along the first direction of the sedimentation tank body (1) and is used to drive the screw (3) to rotate. Impurity conveying frame, the impurity conveying frame includes a conveying cylinder (4) provided at the top of the sedimentation tank (1) and its bottom is open. The left and right ends of the conveying cylinder (4) are provided on the surface of the screw (3). The bottom of the left and right ends of the conveying cylinder (4) and the part located on the inner side wall of the sedimentation tank (1) are provided with a drain cylinder (5) and its top end is connected to the conveying cylinder (4). The surface of the drain cylinder (5) is provided with inlet ports (6) at equal intervals. The cleaning assembly includes a scraper (7) on the surface of the drain cylinder (5) for cleaning the inner wall. The inner walls at both ends of the sedimentation tank (1) are provided with a sludge scraping box (8). The surface of the sludge scraping box (8) is provided with a nylon rope (9). The other end of the nylon rope (9) passes through a pulley on the surface of the support frame (2) and is fixedly connected to the conveying cylinder (4). The transmission component includes a conveying roller (10) disposed inside the conveying cylinder (4), and a conveying wheel (11) that works with the conveying roller (10) is disposed inside the drain cylinder (5). A power component is disposed on the top of the conveying cylinder (4) for driving the conveying roller (10) and the conveying wheel (11) to rotate. The conveying cylinder (4) also includes a filter layer (12) disposed inside it. The conveying cylinder (4) has an installation groove (13) inside. The filter layer (12) is detachably connected to the inside of the installation groove (13) to cover the opening at the bottom of the conveying cylinder (4) and to filter impurities in the water source. The driving component includes a mounting plate (14) disposed on the surface of the support frame (2) along the first direction. A motor (15) is disposed on the surface of the mounting plate (14). A sprocket (16) is fixedly connected to one end of the screw (3) along the first direction. A chain (17) is meshed with the surface of the sprocket (16). The output end of the motor (15) is fixedly connected to the end of the sprocket (16) away from the screw (3). The power unit includes a second motor (20) fixedly connected to the top of the conveying cylinder (4), the output end of the second motor (20) extends into the interior of the conveying cylinder (4) and is provided with a drive wheel (21). The two ends of the conveying cylinder (4) are detachably connected to arc-shaped parts (31), and the arc-shaped parts (31) are threadedly connected to the surface of the screw (3) through the protrusion end; The top of the conveyor wheel (11) extends into the interior of the conveyor cylinder (4), and the surface of the drive wheel (21) is wrapped with a conveyor belt (22). One end of the conveyor belt (22) away from the drive wheel (21) is wrapped around the outer wall of the top of the conveyor wheel (11) to drive it to rotate synchronously.

2. The device for cleaning the inner wall of a horizontal flow sedimentation tank according to claim 1, characterized in that: The conveying cylinder (4) has two cavities (18) inside, and the conveying roller (10) is located inside the cavity (18). Slag outlets (19) are opened at the left and right ends of the conveying cylinder (4) and are used in conjunction with the conveying roller (10) to discharge filtered impurities.

3. The device for cleaning the inner wall of a horizontal flow sedimentation tank according to claim 2, characterized in that: The outer wall of the top of the conveying wheel (11) is provided with a support rod (23), and the two ends of the support rod (23) are fixedly connected to the inner wall of the conveying cylinder (4) to support the conveying roller (10). There are two conveying rollers (10), which are located in the corresponding cavity (18).

4. The device for cleaning the inner wall of a horizontal flow sedimentation tank according to claim 3, characterized in that: The conveying wheel (11) is provided with a helical gear one (24) on the outer wall inside the support rod (23). The conveying roller (10) is located near one end of the conveying wheel (11), extends into the support rod (23), and is provided with a helical gear two (25). The helical gear two (25) meshes with the helical gear one (24).

5. The device for cleaning the inner wall of a horizontal flow sedimentation tank according to claim 4, characterized in that: The sedimentation tank (1) has slag discharge channels (26) for removing impurities on both sides and near the screw (3). The conveying cylinder (4) has push plates (27) on both sides, and the bottom of the push plates (27) extends into the interior of the slag discharge channels (26). The support frame (2) has arc-shaped plates at both ends for protecting the screw (3).

6. The device for cleaning the inner wall of a horizontal flow sedimentation tank according to claim 5, characterized in that: The outer wall of the drain cylinder (5) is provided with positioning rods (28) at equal intervals. The surface of the positioning rods (28) is threaded with an internal thread cylinder (29). A baffle (30) is sleeved on the end of the internal thread cylinder (29) away from the positioning rods (28). The bottom of the baffle (30) opposite to the inner threaded cylinder (29) is fixedly connected to an installation cylinder for connecting a scraper plate required to scrape the bottom of the sedimentation tank (1).

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