Sediment backflow prevention cleaning device for sewage treatment
By using a cleaning plate driven by an auxiliary motor in conjunction with an auger, efficient cleaning of sediment in the wastewater treatment device is achieved, solving the problem of sediment backflow and improving cleaning efficiency and water quality stability.
Patent Information
- Application Number
- CN202520541986.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-26
AI Technical Summary
In existing technologies, sediments are easily stirred up during the suction process in wastewater treatment, leading to sediment backflow, increasing the difficulty of cleaning and reducing the cleaning effect.
The system employs a combination of an auxiliary motor, main lead screw, main slider, fixed plate, and cleaning plate. The cleaning plate moves at low speed to push the sediment into the discharge tank. Combined with the electric push rod and sealing plate, a closed space is formed, and the sediment is quickly discharged using an auger.
It reduces the chance of sediment re-floating in the pool, improves cleaning efficiency, ensures stable water quality, avoids water turbidity, and enhances the effect of preventing sediment backflow.
Smart Images

Figure CN223930777U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater treatment technology, specifically to a sediment backflow prevention and cleaning device for wastewater treatment. Background Technology
[0002] Wastewater treatment involves purifying domestic or industrial wastewater using physical, chemical, or biological methods. Through multiple treatment processes, the wastewater is purified to a usable state, achieving water resource recycling. Among various wastewater treatment processes, sedimentation is one of the most commonly used methods, settling solid impurities in the wastewater. Wastewater treatment sediment backflow prevention cleaning refers to measures taken during the wastewater treatment process to prevent sediment from flowing back to the pretreatment stage, ensuring stable treatment results and meeting effluent quality standards. Therefore, it is necessary to clean the sediment regularly. Because sedimentation tanks are generally quite deep, emptying the tank and then cleaning it is difficult. Currently, the main method used is suction, which involves submerging pipes to the bottom of the tank and pumping out the sediment as the pipes move. However, during the pipe movement and suction process, the rapidly flowing water can stir up the sediment, making the settled water turbid again, further increasing the difficulty of pumping out the sediment and reducing the effectiveness of the suction. Utility Model Content
[0003] To overcome the shortcomings of the existing technology, a sediment backflow prevention and cleaning device for sewage treatment is provided to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, a sediment backflow prevention and cleaning device for wastewater treatment is provided, comprising: a tank body, a sewage discharge trough at the bottom of the tank body cavity, an auger movably connected to the sewage discharge trough via a sealed bearing, a main motor fixedly connected to the outer side of the tank body, the main motor connected to the auger via a coupling, a sewage discharge pipe fixedly connected to the outer side of the tank body communicating with the sewage discharge trough, and a receiving groove at the upper end of the side of the sewage discharge trough, symmetrically connected to electric push rods within the receiving groove, the telescopic rods of the electric push rods fixedly connected to a sealing plate, a protective plate fixedly connected to the upper surface of the tank body via a vertical plate, a main sliding groove on the lower surface of the protective plate, a main lead screw movably connected to the main sliding groove via a bearing, a main slider screwed to the main lead screw slidably connected within the main sliding groove, an auxiliary motor fixedly connected to the end face of the protective plate, the auxiliary motor connected to the main lead screw via a coupling, and a cleaning plate fixedly connected to the lower surface of the main slider via a fixing plate, the cleaning plate slidably connected inside the tank body, and a support plate fixedly connected to the side of the lower surface of the tank body away from the sewage discharge trough.
[0005] Preferably, the sewage trough inside the pool body has a rectangular structure, the bottom of the sewage trough has an arc-shaped structure, and the size of the bottom of the sewage trough is adapted to the size of the auger. At the same time, a sealing groove is opened at the opening above the sewage trough relative to the position of the receiving groove, and the sealing groove has a long strip structure.
[0006] Preferably, two sets of electric push rods are fixedly connected inside the storage slot, and the sealing plate slidably connected at the opening of the storage slot has a rectangular structure. The sealing plate is adapted to the size of the sealing slot and the storage slot respectively, and the sealing layer fixedly connected to the side of the sealing plate has a U-shaped structure.
[0007] Preferably, an auxiliary plate is fixedly connected to the side of the inner cavity of the pool away from the sewage trough, and the auxiliary plate has a rectangular structure, while the end face of the auxiliary plate has a right-angled trapezoidal structure. At the same time, the inclined surface of the auxiliary plate and the surface of the cleaning plate are parallel to each other.
[0008] Preferably, the cleaning plate has a rectangular structure, is inclined in the pool, and has multiple sets of filter holes evenly opened on its surface. The fixing plate fixedly connected to the upper surface of the cleaning plate has a U-shaped structure.
[0009] Preferably, the two sets of upright plates fixedly connected to the upper surface of the pool body are both rectangular in structure, and two sets of guide rods are symmetrically connected between the two sets of upright plates. Both sets of guide rods are cylindrical in structure, and guide holes are opened on the surface of the fixed plate relative to the position of the guide rods.
[0010] Preferably, the protective plate has a rectangular structure, with two sets of upright plates fixedly connected to both ends of the lower surface of the protective plate, and the protective plate and the upright plates are combined to form a U-shaped structure. Meanwhile, the main slider has a square structure, and the dimensions of the main slider and the main slide groove are compatible.
[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: through the cooperation of the auxiliary motor, main lead screw, main slider, fixing plate and cleaning plate, the sediment accumulated inside the pool can be moved to the sewage discharge tank, which can help reduce the probability of the sediment being stirred up and floating again inside the pool. Through the cooperation of the electric push rod, sealing plate, auger, main motor and sewage pipe, the sediment can be discharged quickly in a relatively closed environment, thereby preventing the sediment from floating back in the pool, reducing the probability of the water in the pool becoming turbid again, and also helping to reduce the difficulty of cleaning sediment and improve the efficiency of sediment cleaning. Attached Figure Description
[0012] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model.
[0013] Figure 2 This is a side view of an embodiment of the present utility model.
[0014] Figure 3 This is a top view of an embodiment of the present utility model.
[0015] Figure 4 This is an embodiment of the present utility model. Figure 2 Enlarged diagram of point A.
[0016] In the diagram: 1. Main motor; 2. Pool body; 3. Screw conveyor; 4. Drainage trough; 5. Cleaning plate; 6. Electric push rod; 7. Sealing plate; 8. Drainage pipe; 9. Fixing plate; 10. Vertical plate; 11. Guide rod; 12. Main lead screw; 13. Main slider; 14. Protective plate; 15. Auxiliary plate; 16. Auxiliary motor; 17. Sealing groove; 18. Storage groove; 19. Support plate; 20. Sealing layer. Detailed Implementation
[0017] Reference Figures 1 to 4 As shown, this utility model provides a sediment backflow prevention and cleaning device for sewage treatment, comprising: a tank body 2, a sewage discharge trough 4 opened at the bottom of the inner cavity of the tank body 2, an auger 3 movably connected to the sewage discharge trough 4 via a sealed bearing, a main motor 1 fixedly connected to the outer side of the tank body 2, the main motor 1 connected to the auger 3 via a coupling, a sewage discharge pipe 8 fixedly connected to the outer side of the tank body 2 communicating with the sewage discharge trough 4, and a collection groove 18 opened at the upper side of the sewage discharge trough 4, electric push rods 6 symmetrically connected within the collection groove 18, the telescopic rods of the electric push rods 6 fixedly connected to a sealing plate 7, and simultaneously... The upper surface of the pool body 2 is fixedly connected to the protective plate 14 via the upright plate 10. The lower surface of the protective plate 14 has a main slide groove. The main screw 12 is movably connected to the main slide groove via a bearing. The main slider 13, which is screwed to the main screw 12, is slidably connected in the main slide groove. The end face of the protective plate 14 is fixedly connected to the auxiliary motor 16. The auxiliary motor 16 is connected to the main screw 12 via a coupling. The lower surface of the main slider 13 is fixedly connected to the cleaning plate 5 via the fixing plate 9. The cleaning plate 5 is slidably connected inside the pool body 2. The side of the lower surface of the pool body 2 away from the sewage discharge tank 4 is fixedly connected to the support plate 19.
[0018] In this embodiment, when the sediment accumulated in the tank 2 due to sewage treatment needs to be cleaned, the auxiliary motor 16 is first turned on. The output shaft of the auxiliary motor 16 drives the main lead screw 12 to rotate through the coupling. The main lead screw 12 drives the fixed plate 9 and the cleaning plate 5 to move synchronously at low speed through the screwed main slider 13. When the cleaning plate 5 moves at low speed in the tank 2, it can synchronously push the sediment accumulated in the tank 2. The inclined structure of the cleaning plate 5, combined with the low-speed movement, can effectively reduce the probability of the sediment rising again in large quantities. The evenly spaced filter holes of the cleaning plate 5 can reduce the interference of the liquid inside the tank 2 and reduce the probability of the liquid shaking violently. After the sediment in tank 2 is pushed into the sewage trough 4 by the cleaning plate 5, the switch of the electric push rod 6 is activated. The extension rod of the electric push rod 6 pushes the sealing plate 7 to move, and the sealing plate 7 can be smoothly embedded into the sealing groove 17, so that the sewage trough 4 forms a closed space. At this time, the valve of the sewage pipe 8 is opened first, and then the switch of the main motor 1 is activated. The output shaft of the main motor 1 drives the auger 3 to rotate through the coupling. The auger 3 can quickly transport the sediment accumulated in the sewage trough 4 to the sewage pipe 8 for discharge, thereby improving the efficiency and effect of the device in cleaning sediment, effectively enhancing the backflow prevention effect of sediment, and ensuring the normal treatment effect of different stages of the entire sewage treatment system.
[0019] As a preferred embodiment, the drain trough 4 inside the pool body 2 has a rectangular structure and an arc-shaped bottom. The size of the bottom of the drain trough 4 is compatible with the size of the auger 3. At the same time, a sealing groove 17 is opened at the opening above the drain trough 4 relative to the position of the receiving groove 18. The sealing groove 17 has a long strip structure.
[0020] In this embodiment, as Figure 1 , Figure 2 and Figure 3 The bottom of the drain trough 4 is matched with the size of the screw conveyor 3, which can help enhance the effect of the screw conveyor 3 in cleaning sediment and ensure that the sediment can be quickly pushed into the drain pipe 8.
[0021] In a preferred embodiment, two sets of electric push rods 6 are fixedly connected inside the storage groove 18, and the sealing plate 7 slidably connected at the opening of the storage groove 18 has a rectangular structure. The sealing plate 7 is adapted to the size of the sealing groove 17 and the storage groove 18 respectively, and the sealing layer 20 fixedly connected to the side of the sealing plate 7 has a U-shaped structure.
[0022] In this embodiment, as Figure 1 , Figure 2 and Figure 3The electric push rod 6 is waterproof, and the sealing layer 20 is made of soft rubber. This helps to enhance the sealing effect of the sealing plate 7 at the opening of the drain trough 4, ensuring that the drain trough 4 can form a sealed space when the auger 3 cleans the sediment, preventing the sediment from accidentally floating into the pool body 2 and reducing the chance of the liquid inside the pool body 2 becoming turbid again.
[0023] As a preferred embodiment, an auxiliary plate 15 is fixedly connected to the side of the inner cavity of the pool body 2 away from the sewage trough 4. The auxiliary plate 15 has a rectangular structure, and the end face of the auxiliary plate 15 has a right-angled trapezoidal structure. At the same time, the inclined surface of the auxiliary plate 15 and the surface of the cleaning plate 5 are parallel to each other.
[0024] In this embodiment, as Figure 2 and Figure 3 The auxiliary plate 15 can effectively block the back of the cleaning plate 5, thereby preventing the sediment formed when the tank 2 treats sewage from falling on the back of the cleaning plate 5, and ensuring the cleaning effect of the cleaning plate 5 on pushing and cleaning the sediment.
[0025] In a preferred embodiment, the cleaning plate 5 has a rectangular structure and is inclined inside the pool body 2. Multiple sets of filter holes are evenly opened on the surface of the cleaning plate 5, and the fixing plate 9 fixedly connected to the upper surface of the cleaning plate 5 has a U-shaped structure.
[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3 The filter holes evenly distributed on the surface of the cleaning plate 5 can reduce the resistance of the liquid in the pool 2 when the cleaning plate 5 moves at low speed, reduce the violent flow of the liquid in the pool 2 caused by the moving cleaning plate 5, and effectively enhance the cleaning effect of the cleaning plate 5 on the sediment.
[0027] In a preferred embodiment, the two sets of upright plates 10 fixedly connected to the upper surface of the pool body 2 are both rectangular in structure, and two sets of guide rods 11 are symmetrically connected between the two sets of upright plates 10. Both sets of guide rods 11 are cylindrical in structure, and guide holes are opened on the surface of the fixed plate 9 relative to the position of the guide rods 11.
[0028] In this embodiment, as Figure 1 , Figure 2 and Figure 4 The guide rod 11 and the guide hole are matched in size, which helps to enhance the stability of the fixed plate 9 when it moves, and further enhances the stability of the cleaning plate 5 when it moves inside the pool body 2, ensuring the cleaning effect of the cleaning plate 5 on the sediment.
[0029] In a preferred embodiment, the protective plate 14 has a rectangular structure, and two sets of upright plates 10 are fixedly connected to both ends of the lower surface of the protective plate 14. The protective plate 14 and the upright plates 10 are combined to form a U-shaped structure. Meanwhile, the main slider 13 has a square structure, and the size of the main slider 13 is compatible with that of the main slide groove.
[0030] In this embodiment, as Figure 1 , Figure 2 and Figure 4 The protective plate 14 can effectively reduce the probability of external debris adhering to the surface of the main lead screw 12, ensure the transmission effect of the main lead screw 12, reduce the probability of transmission failure between the main lead screw 12 and the main slider 13, and at the same time, the size of the main slider 13 and the main slide groove are matched, which can help enhance the stability of the main slider 13 when it moves.
Claims
1. A sediment backflow prevention and cleaning device for wastewater treatment, comprising: The pool body (2) is characterized in that: a drain trough (4) is opened at the bottom of the inner cavity of the pool body (2), and an auger (3) is movably connected in the drain trough (4) through a sealed bearing. The main motor (1) is fixedly connected to the outer side of the pool body (2), and the main motor (1) is connected to the auger (3) through a coupling. The drain pipe (8) fixedly connected to the outer side of the pool body (2) is connected to the drain trough (4), and a storage groove (18) is opened at the upper end of the side of the drain trough (4). Electric push rods (6) are symmetrically connected in the storage groove (18), and the telescopic rod of the electric push rod (6) is fixedly connected to the sealing plate (7). At the same time, the upper surface of the pool body (2) is connected to the vertical plate (1). 0) Fixed connection of protective plate (14), main slide groove is opened on the lower surface of protective plate (14), main screw (12) is movably connected in the main slide groove through bearing, main slider (13) screwed to main screw (12) is slidably connected in the main slide groove, and auxiliary motor (16) is fixedly connected to the end face of protective plate (14), auxiliary motor (16) is connected to main screw (12) through coupling, and cleaning plate (5) is fixedly connected to the lower surface of main slider (13) through fixing plate (9), cleaning plate (5) is slidably connected in the inside of pool body (2), and support plate (19) is fixedly connected to the side of the lower surface of pool body (2) away from sewage tank (4).
2. The wastewater treatment sediment backflow prevention and cleaning device according to claim 1, characterized in that, The drain trough (4) inside the pool body (2) has a rectangular structure and an arc-shaped bottom. The size of the bottom of the drain trough (4) is compatible with the size of the auger (3). At the same time, a sealing groove (17) is opened at the opening above the drain trough (4) relative to the position of the storage groove (18). The sealing groove (17) has a long strip structure.
3. The wastewater treatment sediment backflow prevention and cleaning device according to claim 1, characterized in that, Two sets of electric push rods (6) are fixedly connected inside the storage groove (18), and the sealing plate (7) slidably connected at the opening of the storage groove (18) has a rectangular structure. The sealing plate (7) is adapted to the size of the sealing groove (17) and the storage groove (18) respectively, and the sealing layer (20) fixedly connected to the side of the sealing plate (7) has a U-shaped structure.
4. A sediment backflow prevention and cleaning device for wastewater treatment according to claim 1, characterized in that, An auxiliary plate (15) is fixedly connected to the side of the inner cavity of the pool body (2) away from the sewage trough (4). The auxiliary plate (15) has a rectangular structure, and the end face of the auxiliary plate (15) has a right-angled trapezoidal structure. At the same time, the inclined surface of the auxiliary plate (15) and the surface of the cleaning plate (5) are parallel to each other.
5. A sediment backflow prevention and cleaning device for wastewater treatment according to claim 1, characterized in that, The cleaning plate (5) has a rectangular structure and is inclined inside the pool (2). Multiple sets of filter holes are evenly opened on the surface of the cleaning plate (5), and the fixing plate (9) fixedly connected to the upper surface of the cleaning plate (5) has a U-shaped structure.
6. A sediment backflow prevention and cleaning device for wastewater treatment according to claim 1, characterized in that, The two sets of upright plates (10) fixedly connected to the upper surface of the pool body (2) are both rectangular in shape. Two sets of guide rods (11) are symmetrically connected between the two sets of upright plates (10). Both sets of guide rods (11) are cylindrical in shape, and guide holes are opened on the surface of the fixed plate (9) relative to the position of the guide rods (11).
7. A sediment backflow prevention and cleaning device for wastewater treatment according to claim 1, characterized in that, The protective plate (14) has a rectangular structure. Two sets of upright plates (10) are fixedly connected to the two ends of the lower surface of the protective plate (14). The protective plate (14) and the upright plates (10) are combined to form a U-shaped structure. Meanwhile, the main slider (13) has a square structure. The size of the main slider (13) and the main slide groove are compatible.