CN110029721B - Pipe culvert combined sewage interception structure with sewage discharge and initial rain regulation functions - Google Patents
Pipe culvert combined sewage interception structure with sewage discharge and initial rain regulation functions Download PDFInfo
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- CN110029721B CN110029721B CN201910324760.0A CN201910324760A CN110029721B CN 110029721 B CN110029721 B CN 110029721B CN 201910324760 A CN201910324760 A CN 201910324760A CN 110029721 B CN110029721 B CN 110029721B
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- box culvert
- regulation
- drainage channel
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- 239000010865 sewage Substances 0.000 title claims abstract description 112
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000003344 environmental pollutant Substances 0.000 claims description 2
- 231100000719 pollutant Toxicity 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
- E03F1/005—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via box-shaped elements
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/102—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins using already existing parts of the sewer system for runoff-regulation
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/30—Devices providing a sequential discharge in sewer systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention provides a pipe culvert combined sewage interception structure with functions of sewage discharge and initial rain regulation, which comprises a box culvert structure, wherein the box culvert structure is embedded in a municipal drainage pipe network; the front end regulation and storage tank, the main regulation and storage tank and the drainage tank are sequentially arranged in the box culvert structure from upstream to downstream, and the drainage tank is communicated with a municipal drainage pipe at the downstream side of the box culvert structure; the upper part in the box culvert structure is provided with a normal drainage channel which is directly communicated with the municipal drainage pipe at the downstream side of the box culvert structure without passing through a drainage pool. The invention can effectively cope with the phenomenon that mixed-flow sewage overflows and is directly discharged into the river caused by the influence of a combined drainage system in the rainy season under the condition of limited land conditions, integrates sewage transportation and initial rain regulation, ensures that combined-flow overflow pollution is easier to control, and can be flexibly applied to the front end, the middle end and the tail end of a sewage collection system according to various engineering characteristics.
Description
Technical Field
The invention relates to a pipe culvert combined sewage interception structure with a sewage discharge and initial rain regulation function. The method is suitable for pollution discharge, regulation and storage and similar projects in the engineering fields of water conservancy, municipal administration and the like.
Background
The urban water environment pollution problem is increasingly serious, particularly the phenomenon that rain sewage and sewage are directly discharged into a river channel frequently occurs, and the interception and collection of the combined sewage are often carried out in a form of intercepting the sewage along the river. In the rainy season, the part exceeding the capacity is overflowed and mixed-flow sewage is directly discharged into a river channel under the influence of the effective volume of the sewage interception dry pipe. In order to effectively control the combined overflow pollution, measures for setting a mixed-flow sewage regulating and storing tank are generally adopted, but the occupied area of the regulating and storing tank is large, urban land conditions are often limited, and the measures for the mixed-flow sewage regulating and storing tank are difficult to effectively realize.
Disclosure of Invention
The purpose of the invention is that: to the problems existing in the prior art, the pipe culvert combined sewage interception structure with the functions of sewage discharge and initial rain regulation is provided, so that the phenomenon that mixed-flow sewage overflows and directly drains into a river caused by the influence of a combined drainage system in a rainy season can be effectively coped with under the condition that the land conditions are limited. The technical scheme adopted by the invention is as follows:
pipe culvert combines and cuts dirty structure with blowdown and first rain regulation function, its characterized in that: the box culvert structure is embedded into a municipal drainage pipe network; the front end regulation and storage tank, the main regulation and storage tank and the drainage tank are sequentially arranged in the box culvert structure from upstream to downstream, and the drainage tank is communicated with a municipal drainage pipe at the downstream side of the box culvert structure;
The upper part in the box culvert structure is provided with a normal drainage channel which is communicated with the municipal drainage pipe at the upstream side of the box culvert structure and is directly communicated with the municipal drainage pipe at the downstream side of the box culvert structure without passing through a drainage pool;
A normal drainage channel overflow weir is arranged between a normal drainage channel and a front end regulation and storage tank in the box culvert structure, and the maximum flow rate of the normal drainage channel defined by the normal drainage channel overflow weir is equivalent to the flow rate of a municipal drainage pipe at the downstream side of the box culvert structure;
Arranging an inner box culvert overflow weir between the front end regulating reservoir and the main regulating reservoir, and reserving a certain distance between the top of the inner box culvert overflow weir and the top of the box culvert structure as an inner overflow channel; and a water pumping device is arranged between the main regulating reservoir and the drainage reservoir.
On the basis of adopting the technical scheme, the invention can also adopt the following further technical schemes or combine the further technical schemes for use:
A normal drain channel overflow weir is also arranged between the main regulating reservoir and the normal drain channel, and at least part of the normal drain channel overflow weir part at the front end regulating reservoir is lower than the normal drain channel overflow weir part at the main regulating reservoir.
And rigid waterproof lantern rings are arranged at the connection positions of the municipal drainage pipes on the upstream side and the downstream side of the box culvert structure and the box culvert structure.
The normal drainage channel has a bottom slope of not less than 1%.
The normal drainage channels are located on both sides and/or the front side of the upper part in the box culvert structure.
It is provided with a front end regulation pool hydraulic cleaning device.
The front end regulation pool sewage outlet is communicated with the main regulation pool, the front end regulation pool discharges sewage to the main regulation pool, a valve is arranged at the sewage outlet, and an overhaul inlet is arranged at the top of the main regulation pool; the top of the drainage chamber is also provided with an overhaul inlet.
The front-end regulating and storing tank is provided with a bottom slope which is not less than 10%, the main regulating and storing tank is provided with a bottom slope which is not less than 5%o, and the main regulating and storing tank is provided with an axial flow pump pit in front of an axial flow pump of the pumping device.
The normal drainage channel overflow weir adopts a stainless steel overflow weir, and the stainless steel overflow weir is adjustable in height.
The sewage interception structure can be arranged at any part of the front end, the middle end and the tail end of the sewage collection system and is flexible to use.
The pipe diameter, pipe material and box culvert structure scale in the sewage interception structure can be determined according to the municipal sewage collection system scale; the mixed-flow sewage emptying time of the box culvert structure and the scale of the axial flow pump can be determined according to the dry season surplus capacity of the integral sewage dry pipe system.
The beneficial effects of the invention are as follows: reduce construction land, adopt to cut dirty pipeline and box culvert and combine together, provide a pipe culvert that has blowdown and first rain regulation function and combine to cut dirty structure, set up at original dirty pipeline lower extreme of cutting and cut dirty box culvert, realize dry season sewage emission and the function of rain season mixed flow sewage regulation, can accomplish the dry season sewage under the limited circumstances of land used condition and collect the transfer, can also effectually reply rain season receive the mixed flow sewage overflow that the influence of confluence drainage system brought directly to put into the river phenomenon, with sewage transportation and first rain regulation integration for confluence system overflow pollution is more controlled, can be according to all kinds of engineering characteristics in the nimble application of sewage collection system front end, middle-end and end.
Drawings
FIG. 1 is a schematic plan view of an inlet arrangement in an embodiment.
Fig. 2 is a schematic plan view of an outlet arrangement in an embodiment.
FIG. 3 is a schematic longitudinal section of an inlet in an embodiment.
FIG. 4 is a schematic view of a longitudinal section of an outlet in an embodiment.
Fig. 5 is a schematic cross-sectional view of an outlet in an embodiment.
Detailed Description
As shown in fig. 1-5, the embodiment is a pipe culvert combined sewage interception structure with functions of sewage disposal and initial rain regulation, and integrates sewage disposal and initial rain regulation into a whole, so that combined overflow pollution is easier to control, the combined sewage drainage structure can be embedded into a municipal drainage pipe network, and can be flexibly applied to the front end, the middle end and the tail end of a sewage collection system according to various engineering characteristics, for example, the combined sewage drainage structure can be arranged in front of an outlet of the municipal drainage pipe network.
The invention relates to a pipe culvert combined sewage interception structure with sewage discharge and initial rain regulation functions, which comprises a box culvert structure 15; the front end regulation and storage tank 6, the main regulation and storage tank 8 and the drainage tank 10 are sequentially arranged in the box culvert structure from upstream to downstream, the drainage tank 10 is communicated with municipal drainage pipes on the downstream side of the box culvert structure, the reference numeral 11 is a drainage outlet of the municipal drainage pipes, and the municipal drainage pipes on the downstream side are used as outlet sewage main pipes 12 of the sewage interception structure. The capacity of the main regulation reservoir 8 is larger than the capacity of the front-end regulation reservoir 6, by several times the capacity of the front-end regulation reservoir 6.
The upper portion in the box culvert structure sets up normal drainage channel 7, normal drainage channel has the underslope downhill slope that is not less than 1 thousandth towards the low reaches direction, and normal drainage channel is in the both sides and/or the front side of the upper portion in the box culvert structure, can simplify the communication structure with the municipal drainage of upstream side and simplify the inner structure of box culvert structure. The normal drainage channel 7 is communicated with the municipal drainage pipe at the upstream side of the box culvert structure and is directly communicated with the municipal drainage pipe at the downstream side of the box culvert structure without passing through a drainage pool; the municipal drain pipe at the upstream side may be an inlet sewage main pipe 1 described below; or further comprises an inlet sewage branch pipe 2 which is described below, and a pipeline can be directly arranged in the box culvert structure to communicate the normal drainage channel 7 with the outlet sewage main pipe 12, and the total flow cross section of the pipeline is equivalent to that of the outlet sewage main pipe 12. The municipal drainage pipe and box culvert structure hookup location of upstream side and downstream side set up the waterproof lantern ring 3 of rigidity.
The normal drainage channel overflow weir is arranged between the normal drainage channel and the front end regulation reservoir in the box culvert structure, the stainless steel overflow weir 4 can be adopted, further, the height of the normal drainage channel overflow weir can be adjustable, for example, the normal drainage channel overflow weir is implemented by arranging two layers of water baffles with adjustable connection positions, and the maximum flow rate of the normal drainage channel 7 is equal to the flow rate of a municipal drainage pipe (outlet sewage main pipe 12) at the downstream side of the box culvert structure. The normal drainage channel overflow weir is arranged between the main regulating reservoir 8 and the normal drainage channel 7, so that the internal structure of the box culvert structure can be simplified, and the height of at least part of the normal drainage channel overflow weir part at the front end regulating reservoir 6 is lower than that of the normal drainage channel overflow weir part 41 at the main regulating reservoir 8.
An inner box culvert overflow weir 14 is arranged between the front end regulating and accumulating tank 6 and the main regulating and accumulating tank 8, and a certain distance is reserved between the top of the inner box culvert overflow weir 14 and the top of the box culvert structure as an inner overflow channel.
A pumping device is arranged between the main regulating reservoir 8 and the drainage reservoir 10, and the pumping device can adopt a submersible axial flow pump to pump water in the main regulating reservoir 8 to a drainage chamber for drainage. The main regulating reservoir is provided with an axial flow pump pit 81 in front of the axial flow pump 9.
The invention is provided with the hydraulic cleaning device of the front-end regulation reservoir 6, can adopt the gate type hydraulic flushing system 5, set up the sewage discharge outlet 51 of cleaning of the front-end regulation reservoir 6 in the box culvert under the overflow weir 14, the water discharge valve in the gate type hydraulic flushing system 5 is set up in the place of cleaning the sewage discharge outlet 51, the gate type hydraulic flushing system 5 is set up several high-pressure water spray pipes again, the top of the main regulation reservoir sets up and overhauls the entry 131; the front-end regulating and storing tank is provided with a bottom slope which is not less than 10%, and the main regulating and storing tank is provided with a bottom slope which is not less than 5 per mill. The top of the drain chamber is also provided with a service inlet 132.
The specific implementation method of this example is as follows:
1. in the dry season period, sewage enters a normal drainage channel 7 through an inlet sewage main pipe 1 and an inlet sewage branch pipe 2, is limited by the elevation of a set stainless steel overflow weir 4, and is split after entering the normal drainage channel 7, and is transferred to an outlet sewage main pipe 12 to be drained to a lower drainage system;
2. In the rainy season, excessive sewage enters a normal drainage channel 7 through an inlet sewage main pipe 1 and an inlet sewage branch pipe 2, the water level of mixed flow sewage in the normal drainage channel 7 rises, and when reaching the elevation of a stainless steel overflow weir 4, the mixed flow sewage overflows into a front end regulating and storing tank 6 through the stainless steel overflow weir 4; the normal drainage channel 7 keeps the normal operation of the sewage conveying scale which can be contained by the outlet sewage main pipe 12, when the front-end regulating and storing tank 6 reaches full load, part of sewage in the front-end regulating and storing tank 6 overflows into the main regulating and storing tank 8 through the inner partition plate 14 of the regulating and storing tank, and the whole box culvert structure 15 completes the collection and storage of part of mixed-flow sewage with higher pollutant concentration of the initial rainwater;
3. After the rainy season, mixed-flow sewage in the middle-end regulating and storing tank 8 is forcibly emptied through the submersible axial flow pump 9, the emptying time and the scale of the submersible axial flow pump 9 are determined according to the dry season surplus capacity of the whole system, and after the mixed-flow sewage in the middle-end regulating and storing tank 8 is pumped and discharged into the drainage chamber 10, the mixed-flow sewage is emptied through the outlet sewage main pipe 12. After the middle-end regulating reservoir 8 is basically emptied, the gate type hydraulic flushing system 5 can be started to flush mixed-flow sewage sediments stored in the front-end regulating reservoir 6 during a rainy season, flushing water in the front-end regulating reservoir 6 is discharged into the middle-end regulating reservoir 8 through the bottom slope 60 and is discharged into the drainage chamber 10 through the submersible axial flow pump 9 again, and is discharged downstream through the outlet sewage main pipe 12. The whole box culvert structure 15 can be cleaned and overhauled through the overhauling inlets 131 and 132 in dry seasons.
Through the method, the storage, regulation and emptying of the dry rainy season are completed for one time, so that the next rainfall comes.
Of course, the above description is not intended to limit the invention, and the invention is not limited to the above examples, but one of ordinary skill in the art would make modifications, additions or substitutions within the scope of the invention.
Claims (7)
1. Pipe culvert combines and cuts dirty structure with blowdown and first rain regulation function, its characterized in that: the box culvert structure is embedded into a municipal drainage pipe network; the front end regulation and storage tank, the main regulation and storage tank and the drainage tank are sequentially arranged in the box culvert structure from upstream to downstream, and the drainage tank is communicated with a municipal drainage pipe at the downstream side of the box culvert structure;
The upper part in the box culvert structure is provided with a normal drainage channel, the normal drainage channel is positioned at two sides and/or the front side of the upper part in the box culvert structure, and the normal drainage channel is communicated with a municipal drainage pipe at the upstream side of the box culvert structure and is directly communicated with a municipal drainage pipe at the downstream side of the box culvert structure without passing through a drainage pond;
A normal drainage channel overflow weir is arranged between a normal drainage channel and a front end regulation and storage tank in the box culvert structure, and the maximum flow rate of the normal drainage channel defined by the normal drainage channel overflow weir is equivalent to the flow rate of a municipal drainage pipe at the downstream side of the box culvert structure;
arranging an inner box culvert overflow weir between the front end regulating reservoir and the main regulating reservoir, and reserving a certain distance between the top of the inner box culvert overflow weir and the top of the box culvert structure as an inner overflow channel; a water pumping device is arranged between the main regulating reservoir and the drainage reservoir, and the water pumping device adopts a submersible axial flow pump;
a normal drainage channel overflow weir is arranged between the main regulation reservoir and the normal drainage channel, and at least part of the normal drainage channel overflow weir part at the front end regulation reservoir is lower than the normal drainage channel overflow weir part at the main regulation reservoir;
In the dry season, sewage enters a normal drainage channel through an inlet sewage main pipe and an inlet sewage branch pipe, and after entering the normal drainage channel, the sewage is split, and the dry season sewage is transferred to an outlet sewage main pipe to be drained to a lower end drainage system;
In the rainy season, excessive sewage enters a normal drainage channel through an inlet sewage main pipe and an inlet sewage branch pipe, the water level of mixed flow sewage in the normal drainage channel rises, and when reaching the elevation of a normal drainage channel overflow weir at a front end regulation and storage tank, the mixed flow sewage overflows into the front end regulation and storage tank through the normal drainage channel overflow weir at the front end regulation and storage tank; the normal drainage channel keeps the sewage conveying scale normal operation that the outlet sewage main pipe can accommodate, when the front-end regulating and storing tank reaches full load, part of sewage in the front-end regulating and storing tank overflows into the main regulating and storing tank through the overflow weir in the box culvert, and the whole box culvert structure finishes the collection and storage of part of mixed-flow sewage with higher pollutant concentration of the initial rainwater;
After the rainy season, mixed-flow sewage in the main regulating reservoir is forcibly emptied through the submersible axial flow pump, and after the mixed-flow sewage in the regulating reservoir is pumped and discharged into the drainage reservoir, the mixed-flow sewage is emptied through the outlet sewage main pipe.
2. The pipe culvert combined sewage interception structure with sewage and initial rain regulation functions according to claim 1, wherein the pipe culvert combined sewage interception structure is characterized in that: and rigid waterproof lantern rings are arranged at the connection positions of the municipal drainage pipes on the upstream side and the downstream side of the box culvert structure and the box culvert structure.
3. The pipe culvert combined sewage interception structure with sewage and initial rain regulation functions according to claim 1, wherein the pipe culvert combined sewage interception structure is characterized in that: the normal drainage channel has a bottom slope of not less than 1%.
4. The pipe culvert combined sewage interception structure with sewage and initial rain regulation functions according to claim 1, wherein the pipe culvert combined sewage interception structure is characterized in that: the hydraulic cleaning device of the front-end regulating reservoir is arranged.
5. The pipe culvert combined sewage interception structure with sewage and initial rain regulation function according to claim 4, wherein: the front end regulation pool sewage outlet is communicated with the main regulation pool, the front end regulation pool discharges sewage to the main regulation pool, a valve is arranged at the sewage outlet, and an overhaul inlet is arranged at the top of the main regulation pool; the top of the drainage pool is also provided with an overhaul inlet.
6. The pipe culvert combined sewage interception structure with sewage and initial rain regulation functions according to claim 1, wherein the pipe culvert combined sewage interception structure is characterized in that: the front-end regulating and storing tank is provided with a bottom slope which is not less than 10%, the main regulating and storing tank is provided with a bottom slope which is not less than 5%o, and the main regulating and storing tank is provided with an axial flow pump pit in front of the submersible axial flow pump.
7. The pipe culvert combined sewage interception structure with sewage and initial rain regulation functions according to claim 1, wherein the pipe culvert combined sewage interception structure is characterized in that: the normal drainage channel overflow weir adopts a stainless steel overflow weir, and the stainless steel overflow weir is adjustable in height.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910324760.0A CN110029721B (en) | 2019-04-22 | 2019-04-22 | Pipe culvert combined sewage interception structure with sewage discharge and initial rain regulation functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910324760.0A CN110029721B (en) | 2019-04-22 | 2019-04-22 | Pipe culvert combined sewage interception structure with sewage discharge and initial rain regulation functions |
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| CN110029721A CN110029721A (en) | 2019-07-19 |
| CN110029721B true CN110029721B (en) | 2024-05-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110759612A (en) * | 2019-10-12 | 2020-02-07 | 上海桓禹环境科技有限公司 | Resource utilization method for silt in rainwater storage tank |
| CN113379191B (en) * | 2021-05-11 | 2023-08-29 | 中国电建集团华东勘测设计研究院有限公司 | Method for repairing and managing non-point source pollution key areas of south high-density built-up area |
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| CN207633471U (en) * | 2017-10-30 | 2018-07-20 | 武汉圣禹排水系统有限公司 | A kind of region fragment based on mixed flow tubulation net cuts dirt and regulates and stores drainage system |
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2019
- 2019-04-22 CN CN201910324760.0A patent/CN110029721B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821222A (en) * | 2014-02-17 | 2014-05-28 | 广州市市政工程设计研究院 | Initial rainwater and rain-sewage mixed overflow water storage pond facility with flood peak reduction function |
| CN104612237A (en) * | 2015-02-06 | 2015-05-13 | 武汉圣禹排水系统有限公司 | Rainfall flood regulating system |
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| CN110029721A (en) | 2019-07-19 |
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