Drainage treatment structure used for river channel and provided with transverse pipeline
By designing the drainage treatment structure of the drainage pool, drainage pipe and stone drainage body in the river, the problem of crossing the pipeline hindering the water upstream of the river cannot be discharged downstream, achieving smooth drainage of the river and improving the water environment.
Patent Information
- Application Number
- CN202421455457.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-24
AI Technical Summary
The crossing pipeline in the river channel blocks the upstream water from being unable to flow into the downstream river channel, resulting in poor drainage to form a stagnant water area, which eventually evolves into a black and smelly water body, affecting the water environment and residents' lives.
A drainage treatment structure for river channels with cross-pipe lines is designed, including a drainage pool, several drainage pipes and block-stone drainage bodies. There is a crossing pipeline upstream of the drainage pool, a drainage pipe is provided at the end of the downstream, and a stain-blocking grille is connected to the water inlet of the drainage pipe; the stone drainage body is laid upstream of the crossing pipeline, the bottom of the drainage pool and the downstream of the river, and the drainage pipe outlet section is located in the stone drainage body.
Through this structure, the problem of drainage in the stagnant water area in the upper reaches of the river is solved, and the smooth drainage of the river is achieved, which is conducive to the improvement of the ecological environment of the river. It has a simple structure, low cost and fast construction.
Smart Images
Figure CN222822449U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of river drainage equipment and is specifically designed for a drainage treatment structure with cross-pipelines in a river. Background Art
[0002] Due to factors such as early planning and construction, there are often obstacles crossing the river in the river, which overlap vertically with the riverbed elevation, such as sewage pipes, power pipes, and thermal pipes. Due to factors such as property units, construction sites, and usage requirements, it is difficult to relocate the above pipelines. At the same time, in order to protect the stability of the crossing pipelines, the foundation reinforcement and encapsulation measures have been carried out, resulting in the crossing pipelines blocking the upstream water of the river from being discharged into the downstream river by gravity flow, and the poor drainage forms a dead water area, which eventually evolves into a black and smelly water body, affecting the river water environment and reducing the happiness of the surrounding residents. In order to improve the ecological environment of the river, restore the self-purification capacity of the water body, and achieve harmonious coexistence between man and nature, it is necessary to regulate the black and smelly water body. Utility Model Content
[0003] The utility model aims to provide a drainage treatment structure for a river with a cross-pipeline, which solves the problem in the existing river drainage structure that the pipeline blocks the upstream water of the river from being discharged into the downstream river by gravity flow.
[0004] The technical solution adopted by the utility model is a drainage treatment structure for a river channel with a cross-pipeline, comprising an energy dissipation pool, a cross-pipeline is arranged upstream of the energy dissipation pool, a plurality of drainage pipes are arranged in the tail sill at the downstream end of the energy dissipation pool along the flow direction of the river channel, the water inlets of the plurality of drainage pipes are all fixedly connected with trash grilles, and the utility model also comprises a block stone drainage body, the block stone drainage body is laid upstream of the cross-pipeline, at the bottom of the energy dissipation pool and downstream of the river channel, and the outlet sections of the plurality of drainage pipes are arranged in the block stone drainage body laid downstream.
[0005] The utility model is also characterized in that:
[0006] The rubble drainage body is composed of a number of loose boulders with a particle size of 30cm to 50cm. The top elevation of the rubble drainage body is the same as the current or designed elevation of the riverbed, the bottom elevation of the rubble drainage body is lower than the bottom elevation of the energy dissipation pool, and the distance between the bottom of the rubble drainage body and the bottom of the energy dissipation pool is not less than 500mm.
[0007] A slope of 1:1 to 1:2 is set between the upstream surface of the rubble drainage body and the cross-pipeline. The cross-pipeline consists of a middle pipeline and concrete wrapped around it. The top of the slope is flush with the top of the cross-pipeline. The width of the rubble drainage body between the top of the slope and the cross-pipeline is not less than 500mm.
[0008] The bottom elevation of the rubble drainage body is the same as the existing or designed riverbed elevation downstream.
[0009] A downhill section is provided near the crossing pipeline of the energy stilling pool, and the slope of the downhill section is 1:3 to 1:5. The slope of the tail sill of the energy stilling pool near the drainage pipe is 1:0.75 to 1:5. The length of the horizontal section in the middle of the energy stilling pool is 2000mm to 5000mm.
[0010] The specifications of the drainage pipe are DN200~DN300. The drainage pipe passes through the energy dissipation pool horizontally. The distance between the bottom of the inner wall of the drainage pipe and the bottom of the energy dissipation pool is 100mm~200mm.
[0011] The slope of some drainage pipes is set to 0.005-0.01, some drainage pipes slope toward the downstream of the river, and the net distance between some drainage pipes is 500mm-1000mm.
[0012] The trash screen comprises a fixing frame, in which a plurality of bars are fixedly connected in parallel, the net distance between the bars is 30 mm to 40 mm, and the trash screen is fixedly connected to the drain pipe by a plurality of bolts.
[0013] The beneficial effects of the utility model are:
[0014] The utility model provides a drainage treatment structure for a river with a cross-pipeline, which solves the problem of drainage of an upstream dead water area when a cross-pipeline is present in the river, and is conducive to smooth drainage of the river. The utility model has a simple structure, low cost, and quick construction, and has certain application value in the field of river drainage. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural schematic diagram of the utility model for a drainage treatment structure with a cross-pipeline in a river;
[0016] Figure 2 yes Figure 1 Middle AA section;
[0017] Figure 3 It is a structural schematic diagram of the trash screen of the utility model.
[0018] In the figure, 1. block stone drainage body; 2. energy dissipation basin; 3. drainage pipe; 4. trash screen; 5. cross pipeline; 6. fixing frame; 7. grid bar; 8. bolt. DETAILED DESCRIPTION
[0019] The utility model is described in detail below with reference to the accompanying drawings and specific implementation modes.
[0020] The utility model provides a drainage treatment structure for a river with a cross-pipeline, such as Figure 1As shown, it includes an energy dissipation pool 2, a cross pipeline 5 is arranged upstream of the energy dissipation pool 2, and a plurality of drainage pipes 3 are arranged in the tail bank at the downstream end of the energy dissipation pool 2 along the flow direction of the river channel. The plurality of drainage pipes 3 are made of materials with the same properties such as PVC-U or HDPE reinforced double-wall corrugated winding pipes. The water inlets of the plurality of drainage pipes 3 are fixedly connected with trash screens 4, and the trash screens 4 are made of ductile iron. It also includes a block stone drainage body 1, which is laid upstream of the cross pipeline 5, at the bottom of the energy dissipation pool 2 and downstream of the river channel, and the outlet sections of the plurality of drainage pipes 3 are arranged in the block stone drainage body 1 laid downstream; the block stone drainage body 1 is composed of a plurality of loose blocks with a particle size of 30 cm to 50 cm, the top elevation of the block stone drainage body 1 is the same as the current or designed elevation of the riverbed, the bottom elevation of the block stone drainage body 1 is lower than the bottom elevation of the energy dissipation pool 2, and the distance between the bottom of the block stone drainage body 1 and the bottom of the energy dissipation pool 2 is not less than 500 mm, and the riverbed surface The block stone drainage body 1 on the surface is laid according to the dry stone masonry process specifications to ensure flatness; a 1:1-1:2 slope is set between the upstream surface of the block stone drainage body 1 and the cross-pipeline 5, the cross-pipeline 5 is composed of a middle pipeline and concrete wrapped around it, the top of the slope is flush with the top of the cross-pipeline 5, and the width of the block stone drainage body 1 between the top of the slope and the cross-pipeline 5 is not less than 500mm; the bottom elevation of the block stone drainage body 1 is the same as the current or designed riverbed elevation downstream; A downslope section is provided near the crossing pipeline 5 of the energy pool 2, and the slope of the downslope section is 1:3-1:5. The slope of the tail sill of the energy pool 2 near the drainage pipe 3 is 1:0.75-1:5. The length of the horizontal section in the middle of the energy pool 2 is 2000mm-5000mm. The specification of the drainage pipe 3 is DN200-DN300. The drainage pipe 3 crosses the energy pool 2 horizontally. The distance between the bottom of the inner wall of the drainage pipe 3 and the bottom of the energy pool 2 is 100mm-200mm. Figure 2 As shown, the slope of the drainage pipes 3 is set to 0.005-0.01, the drainage pipes 3 slope toward the downstream of the river, and the net distance between the drainage pipes 3 is 500mm-1000mm. Figure 3 As shown, the trash screen 4 includes a fixing frame 6, in which a plurality of bars 7 are fixedly connected in parallel, and the net distance between the bars 7 is 30 mm to 40 mm. The trash screen 4 is fixedly connected to the drainage pipe 3 by a plurality of bolts 8, and is used to intercept large-sized garbage in the river channel to prevent the garbage from clogging the pipe opening and affecting the drainage of the river channel.
[0021] The utility model provides a drainage treatment structure for a river with a cross-pipeline, and its working principle is: when the water in the upstream of the river is small, the water flows through the block stone drainage body 1 to the downstream; when the river discharges flood, the water flows over the cross-pipeline 5 and enters the energy dissipation pool 2 to dissipate energy. After the flood discharge, the accumulated water in the energy dissipation pool 2 is discharged to the downstream river through the drainage pipe 3, ensuring that the water depth in the energy dissipation pool 2 does not exceed 100mm to 200mm, avoiding the deterioration of the water body due to stagnation of flow, and affecting the overall appearance of the river.
[0022] Example 1
[0023] This embodiment proposes a drainage treatment structure for a river with a cross-pipeline, such as Figure 1 As shown, it includes an energy dissipation pool 2, a cross-pipeline 5 is provided upstream of the energy dissipation pool 2, a plurality of drainage pipes 3 are provided in the tail sill at the downstream end of the energy dissipation pool 2 along the flow direction of the river channel, and the water inlets of the plurality of drainage pipes 3 are fixedly connected with trash screens 4, and also includes a block stone drainage body 1, which is laid upstream of the cross-pipeline 5, at the bottom of the energy dissipation pool 2 and downstream of the river channel, and the outlet sections of the plurality of drainage pipes 3 are arranged in the block stone drainage body 1 laid downstream.
[0024] Example 2
[0025] This embodiment proposes a drainage treatment structure for a river with a cross-pipeline, such as Figure 1 As shown, it includes an energy dissipation pool 2, a cross-pipeline 5 is arranged upstream of the energy dissipation pool 2, a plurality of drainage pipes 3 are arranged in the tail bank at the downstream end of the energy dissipation pool 2 along the flow direction of the river channel, and a plurality of drainage pipes 3 are fixedly connected to a trash screen 4 at the water inlet, and also includes a block stone drainage body 1, the block stone drainage body 1 is laid upstream of the cross-pipeline 5, the bottom of the energy dissipation pool 2 and the downstream of the river channel, and the outlet sections of the plurality of drainage pipes 3 are arranged in the block stone drainage body 1 laid downstream; the block stone drainage body 1 is composed of a plurality of loose blocks with a particle size of 30 cm to 50 cm, and the top elevation of the block stone drainage body 1 is the same as the riverbed The current or designed elevation is the same, the bottom elevation of the rubble drainage body 1 is lower than the bottom elevation of the stilling pool 2, and the distance between the bottom of the rubble drainage body 1 and the bottom of the stilling pool 2 is not less than 500mm; a 1:1-1:2 slope is set between the upstream surface of the rubble drainage body 1 and the cross-pipeline 5, the cross-pipeline 5 consists of a middle pipeline and concrete wrapped around it, the top of the slope is flush with the top of the cross-pipeline 5, and the width of the rubble drainage body 1 between the top of the slope and the cross-pipeline 5 is not less than 500mm; the bottom elevation of the rubble drainage body 1 is the same as the current or designed riverbed elevation downstream.
[0026] Example 3
[0027] This embodiment proposes a drainage treatment structure for a river with a cross-pipeline, such as Figure 1As shown, it includes an energy dissipation pool 2, a cross pipeline 5 is arranged upstream of the energy dissipation pool 2, a plurality of drainage pipes 3 are arranged in the tail bank at the downstream end of the energy dissipation pool 2 along the flow direction of the river channel, and a plurality of drainage pipes 3 are fixedly connected to the trash screen 4 at the water inlet, and also includes a block stone drainage body 1, the block stone drainage body 1 is laid upstream of the cross pipeline 5, the bottom of the energy dissipation pool 2 and the downstream of the river channel, and the outlet sections of the plurality of drainage pipes 3 are arranged in the block stone drainage body 1 laid downstream; the block stone drainage body 1 is composed of a plurality of loose blocks with a particle size of 30cm to 50cm, the top elevation of the block stone drainage body 1 is the same as the current or designed elevation of the riverbed, the bottom elevation of the block stone drainage body 1 is lower than the bottom elevation of the energy dissipation pool 2, and the distance between the bottom of the block stone drainage body 1 and the bottom of the energy dissipation pool 2 is not less than 500mm; the distance between the upstream surface of the block stone drainage body 1 and the cross pipeline 5 A slope of 1:1-1:2 is provided. The cross-pipeline 5 is composed of a middle pipeline and surrounding concrete. The top of the slope is flush with the top of the cross-pipeline 5. The width of the block stone drainage body 1 between the top of the slope and the cross-pipeline 5 is not less than 500mm. The bottom elevation of the block stone drainage body 1 is the same as the elevation of the downstream existing or designed riverbed. The stilling pool 2 is provided with a downslope section near the cross-pipeline 5. The slope of the downslope section is 1:3-1:5. The slope of the tail sill of the stilling pool 2 near the drainage pipe 3 is 1:0.75-1:5. The length of the horizontal section in the middle of the stilling pool 2 is 2000mm-5000mm. The specifications of the drainage pipe 3 are DN200-DN300. The drainage pipe 3 crosses the stilling pool 2 horizontally. The distance between the bottom of the inner wall of the drainage pipe 3 and the bottom of the stilling pool 2 is 100mm-200mm. Figure 2 As shown, the slope of the plurality of drainage pipes 3 is set to 0.005-0.01, and the net distance between the plurality of drainage pipes 3 is 500mm-1000mm.
[0028] Example 4
[0029] This embodiment proposes a drainage treatment structure for a river with a cross-pipeline, such as Figure 1As shown, it includes an energy dissipation pool 2, a cross pipeline 5 is arranged upstream of the energy dissipation pool 2, a plurality of drainage pipes 3 are arranged in the tail bank at the downstream end of the energy dissipation pool 2 along the flow direction of the river channel, and a plurality of drainage pipes 3 are fixedly connected to the trash screen 4 at the water inlet, and also includes a block stone drainage body 1, the block stone drainage body 1 is laid upstream of the cross pipeline 5, the bottom of the energy dissipation pool 2 and the downstream of the river channel, and the outlet sections of the plurality of drainage pipes 3 are arranged in the block stone drainage body 1 laid downstream; the block stone drainage body 1 is composed of a plurality of loose blocks with a particle size of 30cm to 50cm, the top elevation of the block stone drainage body 1 is the same as the current or designed elevation of the riverbed, the bottom elevation of the block stone drainage body 1 is lower than the bottom elevation of the energy dissipation pool 2, and the distance between the bottom of the block stone drainage body 1 and the bottom of the energy dissipation pool 2 is not less than 500mm; the distance between the upstream surface of the block stone drainage body 1 and the cross pipeline 5 A slope of 1:1-1:2 is provided. The cross-pipeline 5 is composed of a middle pipeline and surrounding concrete. The top of the slope is flush with the top of the cross-pipeline 5. The width of the block stone drainage body 1 between the top of the slope and the cross-pipeline 5 is not less than 500mm. The bottom elevation of the block stone drainage body 1 is the same as the elevation of the downstream existing or designed riverbed. The stilling pool 2 is provided with a downslope section near the cross-pipeline 5. The slope of the downslope section is 1:3-1:5. The slope of the tail sill of the stilling pool 2 near the drainage pipe 3 is 1:0.75-1:5. The length of the horizontal section in the middle of the stilling pool 2 is 2000mm-5000mm. The specifications of the drainage pipe 3 are DN200-DN300. The drainage pipe 3 crosses the stilling pool 2 horizontally. The distance between the bottom of the inner wall of the drainage pipe 3 and the bottom of the stilling pool 2 is 100mm-200mm. Figure 2 As shown, the slope of the drainage pipes 3 is set to 0.005-0.01, the drainage pipes 3 slope toward the downstream of the river, and the net distance between the drainage pipes 3 is 500mm-1000mm. Figure 3 As shown, the trash screen 4 includes a fixing frame 6 , in which a plurality of bars 7 are fixedly connected in parallel, and the net distance between the bars 7 is 30 mm to 40 mm. The trash screen 4 is fixedly connected to the drain pipe 3 by a plurality of bolts 8 .
Claims
1. A drainage treatment structure for a river with a cross-pipeline, characterized in that: The invention comprises an energy dissipation pool (2), wherein a cross-pipeline (5) is arranged upstream of the energy dissipation pool (2), and a plurality of drainage pipes (3) are arranged in the tail sill at the downstream end of the energy dissipation pool (2) along the flow direction of the river channel, wherein the water inlets of the plurality of drainage pipes (3) are all fixedly connected with a trash screen (4), and further comprises a block stone drainage body (1), wherein the block stone drainage body (1) is laid upstream of the cross-pipeline (5), at the bottom of the energy dissipation pool (2) and downstream of the river channel, and the outlet sections of the plurality of drainage pipes (3) are arranged in the block stone drainage body (1) laid downstream.
2. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: The block stone drainage body (1) is composed of a number of loose stones with a particle size of 30 cm to 50 cm. The top elevation of the block stone drainage body (1) is the same as the current or designed elevation of the riverbed, the bottom elevation of the block stone drainage body (1) is lower than the bottom elevation of the energy dissipation pool (2), and the distance between the bottom of the block stone drainage body (1) and the bottom of the energy dissipation pool (2) is not less than 500 mm.
3. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: A slope of 1:1 to 1:2 is provided between the upstream surface of the block stone drainage body (1) and the cross pipeline (5); the cross pipeline (5) is composed of a central pipeline and concrete surrounding the central pipeline; the top of the slope is flush with the top of the cross pipeline (5); and the width of the block stone drainage body (1) between the top of the slope and the cross pipeline (5) is not less than 500 mm.
4. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: The bottom elevation of the block stone drainage body (1) is the same as the elevation of the current or designed riverbed downstream.
5. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: The energy dissipation pool (2) is provided with a downslope section near the cross-pipeline (5), the slope of the downslope section is 1:3 to 1:5, the slope of the tail sill of the energy dissipation pool (2) near the drainage pipe (3) is 1:0.75 to 1:5, and the length of the middle horizontal section of the energy dissipation pool (2) is 2000 mm to 5000 mm.
6. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: The specification of the drainage pipe (3) is DN200-DN300. The drainage pipe (3) crosses the energy dissipation pool (2) horizontally. The distance between the bottom of the inner wall of the drainage pipe (3) and the bottom of the energy dissipation pool (2) is 100mm-200mm.
7. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: The slope of the plurality of drainage pipes (3) is set to 0.005-0.01, the plurality of drainage pipes (3) slope toward the downstream of the river channel, and the net distance between the plurality of drainage pipes (3) is 500 mm-1000 mm.
8. The drainage treatment structure for a river with a cross-pipeline according to claim 1, characterized in that: The trash screen (4) comprises a fixing frame (6), a plurality of bars (7) are fixedly connected in parallel in the fixing frame (6), and the net distance between the bars (7) is 30 mm to 40 mm. The trash screen (4) is fixedly connected to the drainage pipe (3) via a plurality of bolts (8).