Rural rainwater and sewage confluence treatment system
By designing a rural rainwater and sewage convergence treatment system, and using adjustable diversion weir boards, biological treatment pools and rainwater purification technology, the problem of difficult rainwater and sewage convergence sewage in traditional sewage treatment methods is solved, achieving more stable and efficient sewage treatment.
Patent Information
- Application Number
- CN202421748717.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-23
AI Technical Summary
Traditional sewage treatment methods are difficult to effectively treat the combined sewage of rainwater and sewage in rural areas, resulting in poor stability and low efficiency of treatment flow.
A rural rainwater and sewage combined treatment system is designed, including a collection tank, a pretreatment unit, a diversion unit, a sewage treatment unit, a rainwater purification unit and a reuse system. Through technical means such as adjustable shunt weir plates, biological treatment tanks, sand filters and activated carbon filter layers, separation and deep treatment of rainwater and sewage are achieved.
It realizes efficient separation and treatment of sewage and rainwater, improves the stability of treatment flow of sewage treatment plants, simplifies operation management, reduces manufacturing costs, and improves sewage treatment efficiency.
Smart Images
Figure CN222935272U_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of sewage treatment, and particularly relates to a rural rain and sewage combined treatment system. Background Art
[0002] With the development of rural areas, the problem of mixed discharge of domestic sewage and rainwater has become increasingly serious. Traditional sewage treatment methods can no longer meet the current needs, lacking in-depth treatment for rain and sewage combined sewage treatment, and the treatment flow stability of sewage treatment plants is poor and the efficiency is low. Summary of the Invention
[0003] To achieve the above object, the technical solution of the present invention is as follows: A rural rain and sewage combined treatment system, the system includes a collection tank for collecting rainwater and sewage, a pretreatment unit for removing large particulate impurities, a diversion unit for separating rainwater and sewage, a sewage treatment unit for treating sewage, a rainwater purification unit for purifying rainwater, and a reuse system for reusing the treated water for agricultural irrigation or ecological water replenishment. The pretreatment unit is connected to the collection tank, the diversion unit is connected to the pretreatment unit, the sewage treatment unit is connected to the diversion unit, the rainwater purification unit is connected to the diversion unit, and the reuse system is connected to the sewage treatment unit and the rainwater purification unit.
[0004] Based on the above technical features, the pretreatment unit is used to intercept and precipitate large particulate impurities, such as leaves, plastics, etc.
[0005] As an improvement of the present utility model, the diversion unit includes an adjustable diversion weir plate, the adjustable diversion weir plate includes a fixed weir plate, a movable weir plate, a limit guiding member and a strip-shaped hole, and a driving mechanism. The fixed weir plate is provided with a plurality of concave structures, and the movable weir plate is provided with concave matching structures corresponding to the concave structures on the fixed weir plate. The fixed weir plate is provided with a limit guiding member, and the movable weir plate is provided with a horizontal strip-shaped hole corresponding to the limit guiding member. The limit guiding member is located in the strip-shaped hole. The driving mechanism includes a screw rod and an adjusting nut, and the adjusting nut is connected to the weir plate.
[0006] Based on the above technical features, the adjustable diversion weir plate adjusts the liquid level height flowing through the weir plate by changing the height of the weir plate, thereby affecting the flow rate. The adjustable diversion weir plate is composed of a fixed weir plate and a movable weir plate. The fixed weir plate is provided with a plurality of concave structures, and the movable weir plate is provided with second concave structures corresponding to the concave structures on the fixed weir plate. These structures are correspondingly combined to form a channel, and the cross-sectional area of the channel is adjusted by the horizontal displacement of the movable weir plate, thereby realizing the adjustment of the liquid level height. The combination of a screw rod and an adjusting nut is used, and the weir plate is driven to move by rotating the nut to realize height adjustment.
[0007] A limit guiding member is provided on the fixed weir plate, and a horizontal strip-shaped hole corresponding to the limit guiding member is provided on the movable weir plate. The limit guiding member is located within the strip-shaped hole, playing a role in limiting and guiding the horizontal movement of the movable weir plate to ensure that both ends of the movable weir plate remain on the same horizontal line after displacement.
[0008] As an improvement of the present utility model, the system further includes a scale plate. The scale plate is provided on the weir plate and is marked with a number of scale lines to display the displacement distance of the screw and the change value of the cross-sectional area of the channel on the weir plate assembly.
[0009] As an improvement of the present utility model, the pretreatment unit includes a cleaning system, a sludge conveying device, a grille, and a sedimentation tank. The grille is provided at the water inlet. The cleaning system is connected to the sludge conveying device, and the sludge conveying device is connected to the sludge treatment area at the bottom of the sedimentation tank.
[0010] As an improvement of the present utility model, the sewage treatment unit includes a biological treatment tank and a disinfection device.
[0011] Based on the above technical features, the biological treatment tank and the disinfection device are used to biologically degrade and disinfect the sewage to meet the discharge standards.
[0012] As an improvement of the present utility model, the rainwater purification unit includes a sand filter and an activated carbon filter layer.
[0013] Based on the above technical features, the sand filter and the activated carbon filter layer are used to remove suspended solids and organic matter in the rainwater.
[0014] As an improvement of the present utility model, the reuse system includes a water pump and a water quality monitoring device.
[0015] As an improvement of the present utility model, the cross-sectional shape of the weir plate can also be set as an L shape, which may help improve the structural stability and adjustment accuracy of the weir plate.
[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The present utility model can precisely adjust the liquid level height of the fluid substance by horizontally displacing the movable weir plate to adjust the cross-sectional area of the channel; the driving member for driving the displacement of the movable weir plate has a simple design and can be adjusted manually or automatically, making the operation process simple and fast; the design of the limit guiding member and the horizontal strip-shaped hole ensures that both ends of the weir plate remain on the same horizontal line after displacement, improving the operating stability of the system; the simplified structure of the driving mechanism helps reduce the manufacturing cost; the present utility model can make the treatment flow rate of the sewage treatment plant more stable, facilitating operation and management, and can treat sewage more efficiently. Description of the Drawings
[0017] Figure 1Schematic diagram of the reasonable treatment system structure in this embodiment;
[0018] Figure 2 Schematic diagram of the cleaning system structure in this embodiment;
[0019] Figure 3 Schematic diagram of the flow splitting unit structure in this embodiment.
[0020] List of drawing reference signs: 1 - collection tank, 2 - pretreatment unit, 21 - cleaning system, 22 - sludge conveying device, 23 - grille, 24 - sedimentation tank, 3 - flow splitting unit, 31 - fixed weir plate, 311 - concave structure, 312 - concave mating structure, 32 - movable weir plate, 33 - limit guiding member, 34 - strip hole, 35 - driving mechanism, 351 - screw rod, 352 - adjusting nut, 4 - sewage treatment unit, 41 - biological treatment tank, 42 - disinfection equipment, 5 - rainwater purification unit, 51 - sand filter, 52 - activated carbon filter layer, 6 - reuse system, 61 - water pump, 62 - water quality monitoring equipment, 7 - water inlet. Detailed implementation manners
[0021] The present invention will be further clarified below in conjunction with the drawings and specific implementation manners. It should be understood that the following specific implementation manners are only used to illustrate the present invention and not to limit the scope of the present invention.
[0022] Embodiment: As Figures 1-3 shown, this embodiment is a rural rain - sewage combined treatment system. The system includes a collection tank 1 for collecting rainwater and sewage, a pretreatment unit 2 for removing large - particle impurities, a flow splitting unit 3 for separating rainwater and sewage, a sewage treatment unit 4 for treating sewage, a rainwater purification unit 5 for purifying rainwater, and a reuse system 6 for reusing the treated water for agricultural irrigation or ecological water replenishment. The pretreatment unit 2 is connected to the collection tank 1, the flow splitting unit 3 is connected to the pretreatment unit 2, the sewage treatment unit 4 is connected to the flow splitting unit 3, the rainwater purification unit 5 is connected to the flow splitting unit 3, and the reuse system 6 is connected to the sewage treatment unit 4 and the rainwater purification unit 5. The pretreatment unit 2 is used to intercept and precipitate large - particle impurities such as leaves and plastics.
[0023] Further, the flow splitting unit 3 includes an adjustable flow splitting weir plate, which includes a fixed weir plate 31, a movable weir plate 32, a limit guiding member 33, a strip-shaped hole 34, and a driving mechanism 35. The fixed weir plate 31 is provided with a number of concave structures 311, and the movable weir plate 32 is provided with concave mating structures 312 corresponding to the concave structures 311 on the fixed weir plate 31. The fixed weir plate 31 is provided with a limit guiding member 33, and the movable weir plate 32 is provided with a horizontal strip-shaped hole 34 corresponding to the limit guiding member 33. The limit guiding member 33 is located in the strip-shaped hole 34. The driving mechanism 35 includes a screw 351 and an adjusting nut 352, and the adjusting nut 352 is connected to the weir plate. The adjustable flow splitting weir plate adjusts the liquid level height flowing through the weir plate by changing the height of the weir plate, thereby affecting the flow rate. The adjustable flow splitting weir plate is composed of a fixed weir plate 31 and a movable weir plate 32. The fixed weir plate 31 is provided with a number of concave structures 311, and the movable weir plate 32 is provided with concave mating structures 312 corresponding to the concave structures 311 on the fixed weir plate 31. These structures are correspondingly combined to form a channel, and the cross-sectional area of the channel is adjusted by the horizontal displacement of the movable weir plate 32, so as to realize the adjustment of the liquid level height. The combination of the screw 351 and the adjusting nut 352 is used, and the weir plate is driven to move by rotating the nut to realize height adjustment.
[0024] The fixed weir plate 31 is provided with a limit guiding member 33, and the movable weir plate 32 is provided with a horizontal strip-shaped hole 34 corresponding to the limit guiding member 33. The limit guiding member 33 is located in the strip-shaped hole 34, which plays a role in limiting and guiding the horizontal movement of the movable weir plate 32, ensuring that both ends of the movable weir plate 32 remain on the same horizontal line after displacement.
[0025] Further, the system further includes a scale plate. The scale plate is arranged on the weir plate and marked with a number of scale lines to display the displacement distance of the screw 351 and the change value of the cross-sectional area of the channel on the weir plate assembly.
[0026] Further, the pretreatment unit 2 includes a cleaning system 21, a sludge conveying device 22, a grille 23, and a sedimentation tank 24. The grille 23 is arranged at the water inlet 7. The cleaning system 21 is connected to the sludge conveying device 22, and the sludge conveying device 22 is connected to the sludge treatment area at the bottom of the sedimentation tank 24.
[0027] Further, the sewage treatment unit 4 includes a biological treatment tank 41 and a disinfection device 42. The biological treatment tank 41 is a common biological filter. The biological treatment tank 41 and the disinfection device 42 are used to biologically degrade and disinfect the sewage to meet the discharge standard. The disinfection device 42 is a common sewage disinfection instrument.
[0028] Further, the rainwater purification unit 5 includes a sand filter 51 and an activated carbon filter layer 52. Suspended solids and organic matter in rainwater are removed by the sand filter 51 and the activated carbon filter layer 52, and the sand filter 51 can be a multi-media filtration instrument.
[0029] Further, the reuse system 6 includes a water pump 61 and a water quality monitoring device 62, and the water quality monitoring device 62 uses a ZXcm-500cr sewage water quality monitoring instrument.
[0030] Further, the cross-sectional shape of the weir plate can be set to an L shape, which may help improve the structural stability and adjustment accuracy of the weir plate.
[0031] It should be noted that the above content only illustrates the technical idea of the present invention and cannot be used to limit the protection scope of the present invention. For those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and retouches can be made, and these improvements and retouches all fall within the protection scope of the claims of the present invention.
Claims
1. A rural rain and sewage combined treatment system, characterized in that, the system includes a collection tank (1) for collecting rainwater and sewage, a pretreatment unit (2) for removing large particulate impurities, a flow splitting unit (3) for separating rainwater and sewage, a sewage treatment unit (4) for treating sewage, a rainwater purification unit (5) for purifying rainwater, and a reuse system (6) for reusing the treated water for agricultural irrigation or ecological water replenishment. The pretreatment unit (2) is connected to the collection tank (1), the flow splitting unit (3) is connected to the pretreatment unit (2), the sewage treatment unit (4) is connected to the flow splitting unit (3), the rainwater purification unit (5) is connected to the flow splitting unit (3), and the reuse system (6) is connected to the sewage treatment unit (4) and the rainwater purification unit (5).
2. The rural rain and sewage combined treatment system according to claim 1, characterized in that, the flow splitting unit (3) includes an adjustable flow splitting weir plate, and the adjustable flow splitting weir plate includes a fixed weir plate (31), a movable weir plate (32), a limit guiding member (33), a strip-shaped hole (34), and a driving mechanism (35). A plurality of concave structures (311) are provided on the fixed weir plate (31), and concave mating structures (312) corresponding to the concave structures (311) on the fixed weir plate (31) are provided on the movable weir plate (32). A limit guiding member (33) is provided on the fixed weir plate (31), and a horizontal strip-shaped hole (34) corresponding to the limit guiding member (33) is provided on the movable weir plate (32). The limit guiding member (33) is located in the strip-shaped hole (34). The driving mechanism (35) includes a screw (351) and an adjusting nut (352), and the adjusting nut (352) is connected to the weir plate.
3. The rural rain and sewage combined treatment system according to claim 1, characterized in that, the system further includes a scale plate, and the scale plate is provided on the weir plate and marked with a plurality of scale lines to display the displacement distance of the screw (351) and the change value of the cross-sectional area of the channel on the weir plate assembly.
4. The rural rain and sewage combined treatment system according to claim 1, characterized in that, the pretreatment unit (2) includes a cleaning system (21), a sludge conveying device (22), a grille (23), and a sedimentation tank (24). The grille (23) is arranged at the water inlet (7), the cleaning system (21) is connected to the sludge conveying device (22), and the sludge conveying device (22) is connected to the sludge treatment area at the bottom of the sedimentation tank (24).
5. The rural rain and sewage combined treatment system according to claim 1, characterized in that, the sewage treatment unit (4) includes a biological treatment tank (41) and a disinfection device (42).
6. The rural rain and sewage combined treatment system according to claim 1, characterized in that, the rainwater purification unit (5) includes a sand filter (51) and an activated carbon filter layer (52).
7. The rural rain and sewage combined treatment system according to claim 1, characterized in that, the reuse system (6) includes a water pump (61) and a water quality monitoring device (62).