Sewage treatment equipment with built-in unpowered sedimentation tank
Through the design of the built-in unpowered sedimentation tank, the sedimentation area is increased and the precipitation time is shortened, and the stability and adaptability problems of granular sludge technology in sewage treatment are solved, achieving efficient and low-cost sewage treatment effect.
Patent Information
- Application Number
- CN202422127188.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-30
AI Technical Summary
In sewage treatment, granular sludge technology has problems such as unstable amount of granular sludge, poor system stability, poor microbial community stability and limited adaptability to wastewater water quality.
A built-in non-powered sedimentation tank is designed, including an inclined pipe, a sludge bucket and a drainage mechanism. Through the combination of threaded rods, baffles and other components, the effective return control of the sludge is achieved, the area of sedimentation is increased, the time of sedimentation is shortened, and the efficiency of sedimentation is improved. The installation of inclined pipes and sludge buckets is reduced to the floor area and operating costs.
It improves the sedimentation efficiency, reduces the floor area and subsequent treatment process load, reduces the operating cost, and facilitates cleaning and maintenance, achieving stable return control of sludge.
Smart Images

Figure CN223170398U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to a sewage treatment equipment with a built-in non-powered sedimentation tank. Background Technique
[0002] As an efficient and environmentally friendly sewage treatment technology, with the continuous progress of science and technology and in-depth research, the application field of granular sludge technology is expected to be further expanded, making greater contributions to environmental protection and sustainable development. The application of granular sludge technology in the sewage treatment field relies on traditional sewage treatment systems, and there are problems such as unstable granular sludge volume, weak system stability, poor stability of microbial communities, and limited adaptability to wastewater quality. There is an urgent need for a new sewage treatment technology to solve these problems. Content of the Utility Model
[0003] The purpose of the utility model is to provide a sewage treatment equipment with a built-in non-powered sedimentation tank, which solves the above-mentioned problems.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A sewage treatment equipment with a built-in non-powered sedimentation tank, including a sedimentation tank, an inlet area is arranged on the sedimentation tank, an outlet channel is arranged on the sedimentation tank, a water outlet pipe is arranged on the sedimentation tank, inclined tubes are arranged on the sedimentation tank, round holes are opened on the inclined tubes, a sludge hopper is arranged on the sedimentation tank, and an excretion mechanism is arranged on the sedimentation tank and the sludge hopper.
[0005] Preferably, the excretion mechanism includes a baffle plate. A baffle plate is slidably connected inside the sludge hopper. A connecting plate is fixedly connected to the right side of the baffle plate. A guiding rod is fixedly connected to the lower end of the sludge hopper. The guiding rod is slidably connected with the connecting plate. A threaded rod is rotatably connected inside the sedimentation tank. The threaded rod is threadedly connected with the baffle plate. The upper end of the threaded rod is fixedly connected with a base. The base is rotatably connected with the sedimentation tank. A pulling plate is in contact with the upper end of the base. The pulling plate is in contact with the sedimentation tank. A positioning block is fixedly connected to the lower end of the pulling plate. The positioning block is slidably connected with the sedimentation tank. A sliding rod is fixedly connected to the lower end of the pulling plate. A sliding block is fixedly connected to the outer side of the sliding rod. A limiting frame is fixedly connected inside the base. A spring is arranged on the outer side of the limiting frame. By moving the pulling plate away from the sedimentation tank, the pulling plate drives the sliding rod to move, the sliding rod drives the sliding block to move, the sliding block slides on the limiting frame, the sliding block squeezes the spring, the pulling plate drives the positioning block to slide out of the sedimentation tank, the limit on the base can be released, the base drives the threaded rod to rotate, the threaded rod and the baffle plate perform a threaded movement, so that the baffle plate moves on the threaded rod, and the position of the baffle plate can be adjusted. Thus, by controlling the opening degree of the baffle plate at the bottom of the sludge hopper, the granular sludge in the sludge hopper can be controlled to flow back into the reaction tank.
[0006] Preferably, a convex block is fixedly connected to the outside of the base, and an annular groove is formed inside the sedimentation tank. The convex block is slidably connected to the inside of the annular groove. Through the design of the convex block, the base can be limited.
[0007] Preferably, the sliding rod is slidably connected to the base, and the sliding block is slidably connected to the base. Through the design of the sliding rod and the sliding block, the pull plate can be guided.
[0008] Preferably, the limiting frame is in contact with the pull plate, the limiting frame is in contact with the sliding rod, and the limiting frame is slidably connected to the sliding block. Through the design of the limiting frame, the sliding block can be limited.
[0009] Preferably, one end of the spring is in contact with the sliding block, and the other end of the spring is in contact with the limiting frame. Through the design of the spring, the positioning block can be driven to limit the pull plate.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] 1. By providing inclined tubes, the sedimentation area is increased, the sedimentation time is shortened, and the sedimentation efficiency is improved. Compared with the traditional sedimentation tank, the built-in non-powered sedimentation tank of the present utility model does not increase the floor area at all, and the efficient sedimentation reduces the load of the subsequent treatment process and lowers the overall operation cost. The structure of the sedimentation tank is clear and convenient for cleaning and maintenance.
[0012] 2. By providing components such as threaded rods and baffles, the granular sludge in the sludge hopper can be controlled to flow back into the reaction tank. And by providing components such as pull plates, positioning blocks, and springs, the positioning block on the pull plate can be driven to slide into the sedimentation tank, thereby limiting the threaded rod and keeping the baffle stable after adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0014] Figure 2 is the Figure 1 front elevation sectional view of the present utility model;
[0015] Figure 3 is the Figure 2 enlarged view of the structure of part A in the present utility model;
[0016] Figure 4 is the Figure 2 enlarged view of the structure of part B in the present utility model.
[0017] In the figure: 1. Sedimentation tank; 11. Inlet area; 12. Outlet channel; 13. Outlet pipe; 14. Inclined tube; 141. Round hole; 15. Sludge hopper; 2. Discharge mechanism; 21. Baffle; 22. Connecting plate; 23. Guide rod; 24. Threaded rod; 25. Base; 26. Convex block; 27. Ring groove; 28. Pulling plate; 29. Positioning block; 210. Slide bar; 211. Slide block; 212. Limiting frame; 213. Spring. Detailed implementation manners
[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0019] Please refer to Figures 1-4 , a sewage treatment device with a built-in non-powered sedimentation tank, including a sedimentation tank 1, an inlet area 11 is arranged on the sedimentation tank 1, an outlet channel 12 is arranged on the sedimentation tank 1, an outlet pipe 13 is arranged on the sedimentation tank 1, an inclined tube 14 is arranged on the sedimentation tank 1, round holes 141 are opened on the inclined tube 14, a sludge hopper 15 is arranged on the sedimentation tank 1, and a discharge mechanism 2 is arranged on the sedimentation tank 1 and the sludge hopper 15.
[0020] Please refer to Figures 2-4 , the discharge mechanism 2 includes a baffle 21, the baffle 21 is slidably connected to the inside of the sludge hopper 15, a connecting plate 22 is fixedly connected to the right side of the baffle 21, a guide rod 23 is fixedly connected to the lower end of the sludge hopper 15, the guide rod 23 is slidably connected to the connecting plate 22, a threaded rod 24 is rotatably connected to the inside of the sedimentation tank 1, the threaded rod 24 is threadedly connected to the baffle 21, the upper end of the threaded rod 24 is fixedly connected to a base 25, the base 25 is rotatably connected to the sedimentation tank 1, a convex block 26 is fixedly connected to the outside of the base 25, a ring groove 27 is opened in the inside of the sedimentation tank 1, and the convex block 26 is slidably connected to the inside of the ring groove 27. Through the design of the convex block 26, the base 25 can be limited.
[0021] Please refer to Figures 2-4, the upper end of the base 25 is in contact with a pull plate 28. The pull plate 28 is in contact with the sedimentation tank 1. The lower end of the pull plate 28 is fixedly connected with a positioning block 29. The positioning block 29 is slidably connected to the sedimentation tank 1. The lower end of the pull plate 28 is fixedly connected with a sliding rod 210. The outer side of the sliding rod 210 is fixedly connected with a slider 211. The sliding rod 210 is slidably connected to the base 25. The slider 211 is slidably connected to the base 25. Through the design of the sliding rod 210 and the slider 211, the pull plate 28 can be guided. The inside of the base 25 is fixedly connected with a limiting frame 212. The limiting frame 212 is in contact with the pull plate 28, the limiting frame 212 is in contact with the sliding rod 210, and the limiting frame 212 is slidably connected to the slider 211. Through the design of the limiting frame 212, the slider 211 can be limited.
[0022] Please refer to Figures 2-4 , a spring 213 is arranged on the outer side of the limiting frame 212. One end of the spring 213 is in contact with the slider 211, and the other end of the spring 213 is in contact with the limiting frame 212. Through the design of the spring 213, the positioning block 29 can be driven to limit the pull plate 28. By moving the pull plate 28 in the direction away from the sedimentation tank 1, the pull plate 28 drives the sliding rod 210 to move, the sliding rod 210 drives the slider 211 to move, the slider 211 slides on the limiting frame 212, the slider 211 squeezes the spring 213, and the pull plate 28 drives the positioning block 29 to slide out of the sedimentation tank 1, so that the limit on the base 25 can be released, the base 25 drives the threaded rod 24 to rotate, the threaded rod 24 makes a threaded movement with the baffle 21, so that the baffle 21 moves on the threaded rod 24, and the position of the baffle 21 can be adjusted. Thus, by controlling the opening degree of the baffle 21 at the bottom of the sludge hopper 15, the granular sludge in the sludge hopper 15 can be controlled to flow back into the reaction tank.
[0023] The specific implementation process of the present utility model is as follows: During use, the sewage enters the sedimentation tank 1 through the double-sided water inlet area 11 and first undergoes pre-sedimentation. Relatively heavy substances will quickly settle into the sludge hopper 15 under the action of gravity. After pre-sedimentation, the suspended substances in the sewage are further removed in the inclined tube 14 sedimentation area. Subsequently, the clear water enters the next unit through the water outlet channel 12 and the water outlet pipe 13. The granular sludge, due to its relatively large specific gravity, will gather in the sludge hopper 15 of the sedimentation tank 1. Then, move the pull plate 28 in the direction away from the sedimentation tank 1, the pull plate 28 drives the sliding rod 210 to move, the sliding rod 210 drives the slider 211 to move, the slider 211 slides on the limiting frame 212, the slider 211 squeezes the spring 213, and the pull plate 28 drives the positioning block 29 to slide out of the sedimentation tank 1, so that the limit on the base 25 can be released, the base 25 drives the threaded rod 24 to rotate, the threaded rod 24 makes a threaded movement with the baffle 21, so that the baffle 21 moves on the threaded rod 24, and the position of the baffle 21 can be adjusted. Thus, by controlling the opening degree of the baffle 21 at the bottom of the sludge hopper 15, the granular sludge in the sludge hopper 15 can be controlled to flow back into the reaction tank.
[0024] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A sewage treatment device with a built-in non-powered sedimentation tank, comprising a sedimentation tank (1), characterized in that: The sedimentation tank (1) is provided with a water inlet area (11), a water outlet channel (12), a water outlet pipe (13), inclined tubes (14), round holes (141) are formed in the inclined tubes (14), a sludge hopper (15), and an excretion mechanism (2) is arranged on the sedimentation tank (1) and the sludge hopper (15).
2. The sewage treatment equipment with a built-in non-powered sedimentation tank according to claim 1, characterized in that: The excretion mechanism (2) includes a baffle (21), the baffle (21) is slidably connected to the inside of the sludge hopper (15), a connecting plate (22) is fixedly connected to the right side of the baffle (21), a guide rod (23) is fixedly connected to the lower end of the sludge hopper (15), the guide rod (23) is slidably connected to the connecting plate (22), a threaded rod (24) is rotatably connected to the inside of the sedimentation tank (1), the threaded rod (24) is threadedly connected to the baffle (21), a base (25) is fixedly connected to the upper end of the threaded rod (24), the base (25) is rotatably connected to the sedimentation tank (1), a pull plate (28) is in contact with the upper end of the base (25), the pull plate (28) is in contact with the sedimentation tank (1), a positioning block (29) is fixedly connected to the lower end of the pull plate (28), the positioning block (29) is slidably connected to the sedimentation tank (1), a sliding rod (210) is fixedly connected to the lower end of the pull plate (28), a slider (211) is fixedly connected to the outside of the sliding rod (210), a limiting frame (212) is fixedly connected to the inside of the base (25), and a spring (213) is arranged on the outside of the limiting frame (212).
3. The sewage treatment equipment with a built-in non-powered sedimentation tank according to claim 2, characterized in that: A convex block (26) is fixedly connected to the outside of the base (25), a ring groove (27) is formed in the inside of the sedimentation tank (1), and the convex block (26) is slidably connected to the inside of the ring groove (27).
4. The sewage treatment equipment with a built-in non-powered sedimentation tank according to claim 2, characterized in that: The sliding rod (210) is slidably connected to the base (25), and the slider (211) is slidably connected to the base (25).
5. The sewage treatment equipment with a built-in non-powered sedimentation tank according to claim 2, characterized in that: The limiting frame (212) is in contact with the pull plate (28), the limiting frame (212) is in contact with the sliding rod (210), and the limiting frame (212) is slidably connected to the slider (211).
6. The sewage treatment equipment with a built-in unpowered sedimentation tank according to claim 2, characterized in that: One end of the spring (213) is in contact with the slider (211), and the other end of the spring (213) is in contact with the limiting frame (212).