Rain sewage diversion pipeline
By designing separate rainwater and sewage pipes, the problems of impurities entering the rainwater pipes and sewage backflow in the initial stage of rainwater are solved, achieving effective separation and purification of rainwater and sewage, improving sewage treatment efficiency, and enhancing the durability of the pipes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-27
AI Technical Summary
In existing technologies, when initial rainwater carries a large amount of impurities into the rainwater pipes, it cannot be effectively diverted to the sewage pipes, and there is a risk of sewage backflow, which affects the efficiency of sewage treatment.
Design a rainwater and sewage separation pipeline, which adopts rainwater pipeline and sewage pipeline installed side by side, combined with a separation device and connecting components, and uses a separation shell and baffle to achieve unidirectional infiltration of rainwater into the sewage pipeline, preventing sewage from flowing backward. A flow monitoring device and HDPE coating are installed in the pipeline to improve stability and durability.
It effectively diverts initial rainwater, prevents sewage backflow, improves sewage purification efficiency, and protects the inner wall of the pipe with HDPE coating, extending its service life.
Smart Images
Figure CN224048319U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage diversion technical field, concretely is a rainwater and sewage diversion pipeline. BACKGROUND
[0002] Rainwater and sewage diversion is a drainage system, which refers to the diversion of rainwater and sewage, each using a pipeline to transport, discharge or subsequent treatment of sewage. Rainwater is directly discharged into the river through the rainwater pipe network, and sewage is collected through the sewage pipe network and then sent to the sewage treatment plant for treatment to avoid pollution caused by direct discharge of sewage into the river. The collection and centralized management of rainwater can reduce the impact of water volume on the sewage treatment plant and ensure the treatment efficiency of the sewage treatment plant.
[0003] In the early stage of rainfall, rainwater carries a large amount of impurities into the rainwater pipeline, the water is turbid at this time, and cannot be directly discharged into the river, so the initial rainwater needs to be drained into the sewage pipeline, but at the same time, the sewage needs to be prevented from flowing back into the rainwater pipeline to pollute the clean rainwater.
[0004] Therefore, a rainwater and sewage diversion pipeline is needed to solve the problem. UTILITY MODEL CONTENT
[0005] The utility model aims at solving the problems in the prior art and provides a rainwater and sewage diversion pipeline.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rainwater and sewage diversion pipeline, comprising a rainwater pipeline and a sewage pipeline, the rainwater pipeline and the sewage pipeline are arranged side by side, a diversion device is arranged at the confluence of the rainwater pipeline and the sewage pipeline, and the rainwater pipeline and the sewage pipeline are both provided with a connecting assembly fixedly connected with each other.
[0007] The utility model is further provided as follows: the diversion device comprises a diversion shell and a flow baffle, the two ends of the diversion shell are communicated with the rainwater pipeline and the sewage pipeline respectively, the diversion shell is formed with a sewage inlet in the direction of rainwater flow, the diversion shell is formed with a sewage blocking surface in the direction of sewage flow, and the flow baffle is fixedly arranged in the diversion shell.
[0008] The utility model is further provided as follows: the flow baffle is a one-way permeable plate for guiding water flow from the rainwater pipeline to the sewage pipeline, which allows water flow to permeate from the rainwater pipeline to the sewage pipeline in one direction and blocks reverse flow, the side of the flow baffle close to the rainwater pipeline is provided with a microporous structure, and the side of the flow baffle close to the sewage pipeline is provided with a sealing layer.
[0009] The utility model further sets up: connecting assembly includes support column, connecting column and fixed bolt, the both ends of support column respectively fit rainwater pipeline and sewage pipeline, connecting column respectively sets up in rainwater pipeline and sewage pipeline periphery side, and is fixed on support column through fixed bolt.
[0010] The utility model further sets up: rainwater pipeline and sewage pipeline all are provided with flow monitoring devices.
[0011] The utility model further sets up: rainwater pipeline, sewage pipeline and split flow casing inner wall all have sprayed HDPE coating.
[0012] In conclusion, the utility model has following beneficial effect: rainwater pipeline and sewage pipeline make sewage and rainwater transport from two different pipelines, and the initial rainwater is small in quantity and slow in flow rate, and the water in rainwater pipeline can be gathered into sewage pipeline through split flow device, and sewage is prevented from backflowing into rainwater pipeline, and the purification efficiency of sewage is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is structure schematic drawing of the utility model;
[0014] Figure 2 It is structure schematic drawing of split flow device of the utility model;
[0015] Figure 3 It is structure schematic drawing of baffle of the utility model;
[0016] Figure 4 It is structure schematic drawing of connecting assembly of the utility model.
[0017] In the drawing: 1, rainwater pipeline;2, sewage pipeline;3, split flow device;31, split flow casing;311, sewage inlet;312, sewage resistance surface;32, baffle;321, microporous structure;322, sealing layer;4, connecting assembly;41, support column;42, connecting column;43, fixed bolt;5, flow monitoring device. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely intended to facilitate the description of the utility model and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments.
[0019] A rainwater and sewage diversion pipeline, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , comprises a rainwater pipeline 1, a sewage pipeline 2, a diversion device 3 and a connecting assembly 4, the rainwater pipeline 1 and the sewage pipeline 2 are arranged side by side, the diversion device 3 is arranged at the confluence of the rainwater pipeline 1 and the sewage pipeline 2, is used for guiding the water in the rainwater pipeline 1 to flow to the sewage pipeline 2 and hindering the water in the sewage pipeline 2 from flowing to the rainwater pipeline 1, and the connecting assembly 4 is used for fixedly connecting the rainwater pipeline 1 and the sewage pipeline 2.
[0020] Practical effect: through the rainwater pipeline 1 and the sewage pipeline 2, the sewage and the rainwater are transported from two different pipelines, and the initial rainwater is small in quantity and slow in flow rate, so that the water in the rainwater pipeline 1 can be converged into the sewage pipeline 2 through the diversion device 3, and the sewage is prevented from flowing back into the rainwater pipeline 1, thereby improving the purification efficiency of the sewage.
[0021] As shown in Figure 2 , specifically, the diversion device 3 comprises a diversion shell 31 and a flow baffle 32, the two ends of the diversion shell 31 are communicated with the rainwater pipeline 1 and the sewage pipeline 2 respectively, the diversion shell 31 is formed with a sewage introduction port 311 towards the direction of rainwater flow, the diversion shell 31 is formed with a sewage blocking surface 312 towards the direction of sewage flow, and the flow baffle 32 is fixedly arranged in the diversion shell 31.
[0022] The sewage introduction port 311 is towards the direction of rainwater flow, is used for guiding the initial rainwater to flow from the sewage introduction port 311 to the sewage pipeline 2, and the sewage blocking surface 312 is towards the direction of sewage flow, and can also block the sewage from flowing to the rainwater pipeline 1 in the process of flowing.
[0023] As shown in Figure 3As shown, the baffle 32 is a one-way permeable plate guiding water flow from the rainwater pipe 1 to the sewage pipe 2, the baffle 32 is provided with a microporous structure 321 on the side close to the rainwater pipe 1 to facilitate the rainwater to pass through smoothly and reduce impurities into the sewage pipe 2, and the baffle 32 is provided with a sealing layer 322 on the side close to the sewage pipe 2 to effectively prevent sewage from permeating reversely into the rainwater pipe 1, thereby ensuring the rainwater-sewage separation effect.
[0024] As shown in the Figure 4 connecting assembly 4 includes a support column 41, a connecting column 42 and a fixing bolt 43, both ends of the support column 41 are attached to the rainwater pipe 1 and the sewage pipe 2 respectively, the connecting column 42 is sleeved on the circumferential side of the rainwater pipe 1 and the sewage pipe 2 respectively, and is fixed on the support column 41 through the fixing bolt 43, the rainwater pipe 1 and the sewage pipe 2 are connected and fixed through the support column 41, the connecting column 42 and the fixing bolt 43, thereby ensuring the stability and durability of the system.
[0025] As shown in the Figure 1 further, the rainwater pipe 1 and the sewage pipe 2 are both provided with a flow monitoring device 5, in this embodiment, the flow monitoring device 5 is connected with a remote monitoring system, which is used for monitoring the water flow in real time and can repair the abnormal pipe in time.
[0026] Specifically, the rainwater pipe 1, the sewage pipe 2 and the inner wall of the separation shell 31 are all sprayed with HDPE paint, the HDPE paint has excellent chemical corrosion resistance, wear resistance and anti-aging performance, which can effectively protect the inner wall of the pipe from being eroded by chemical components in sewage or rainwater, prolong the service life of the pipe, at the same time, the surface of the HDPE paint is smooth, which can reduce the water flow resistance and improve the drainage efficiency, before spraying, the inner wall of the pipe needs to be cleaned and pretreated to ensure the good combination of the paint and the pipe substrate and enhance the adhesion of the coating.
[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to which the reference signs belong.
[0028] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A combined sewer pipe comprising a rainwater pipe (1) and a sewage pipe (2), which rainwater pipe (1) and sewage pipe (2) are arranged side by side, characterized in that: The rainwater pipeline (1) and the sewage pipeline (2) are provided with a shunt device (3) at the confluence, the rainwater pipeline (1) and the sewage pipeline (2) are provided with a connecting assembly (4) fixedly connected with each other.
2. The combined sewer according to claim 1, characterized in that: The shunt device (3) comprises a shunt shell (31) and a flow baffle (32), both ends of the shunt shell (31) are communicated with the rainwater pipeline (1) and the sewage pipeline (2) respectively, the shunt shell (31) is formed with a sewage inlet (311) towards the direction of rainwater flow, the shunt shell (31) is formed with a sewage blocking surface (312) towards the direction of sewage flow, and the flow baffle (32) is fixedly arranged in the shunt shell (31).
3. The combined sewer according to claim 2, characterized in that: The flow baffle (32) is a one-way permeation plate for guiding water flow from the rainwater pipeline (1) to the sewage pipeline (2), the flow baffle (32) is provided with a microporous structure (321) on the side close to the rainwater pipeline (1), and the flow baffle (32) is provided with a sealing layer (322) on the side close to the sewage pipeline (2).
4. The rainwater and sewage diversion pipe according to claim 1, characterized in that: The connecting assembly (4) comprises a support column (41), a connecting column (42) and a fixing bolt (43), both ends of the support column (41) are fitted with the rainwater pipeline (1) and the sewage pipeline (2) respectively, the connecting column (42) is sleeved on the circumferential side of the rainwater pipeline (1) and the sewage pipeline (2) respectively, and is fixed on the support column (41) through the fixing bolt (43).
5. The rainwater and sewage diversion pipe according to claim 1, characterized in that: The rainwater pipeline (1) and the sewage pipeline (2) are provided with a flow monitoring device (5) therein.
6. The rainwater and sewage diverging pipe according to claim 2, characterized in that: The rainwater pipeline (1), the sewage pipeline (2) and the inner wall of the shunt shell (31) are sprayed with HDPE paint.