CN110029712B - Rain and sewage mixed regulation and control method considering initial rainwater drainage and flood peak regulation - Google Patents
Rain and sewage mixed regulation and control method considering initial rainwater drainage and flood peak regulation Download PDFInfo
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- CN110029712B CN110029712B CN201910329840.5A CN201910329840A CN110029712B CN 110029712 B CN110029712 B CN 110029712B CN 201910329840 A CN201910329840 A CN 201910329840A CN 110029712 B CN110029712 B CN 110029712B
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- 239000010865 sewage Substances 0.000 title claims abstract description 100
- 230000033228 biological regulation Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims description 18
- 239000000523 sample Substances 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 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
- 230000002265 prevention Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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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
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- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow 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
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- 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 rain and sewage mixing regulation and control method taking account of initial rain water discarding and flood peak regulation and storage, which comprises a rain water inlet pipeline, a rain water outlet pipeline, a sewage interception pipeline, a diversion pool and a regulation and storage pool, wherein the rain water inlet pipeline is connected with the diversion pool, the diversion pool is connected with a sewage interception main pipe through the sewage interception pipe, and an opening and closing device is arranged between the diversion pool and the sewage interception pipe; the diversion pool is connected with a municipal rainwater main pipe through a rainwater outlet pipeline; the diversion pool is communicated with the regulation pool through an overflow device, and a control device is arranged in the regulation pool and can drain the water into the municipal rainwater main pipe and the sewage interception main pipe respectively according to the water level in the regulation pool. The system divides the initial rainwater to cut off the sewage, and the rainwater which is cleaner in the middle and later stages is discharged into the municipal rainwater pipe, and can also divide the sewage in time when the flood peak comes, so that the system has the characteristic of being accurate.
Description
Technical Field
The invention relates to a precise rain and sewage mixing regulation and control system and a method for both primary rain water drainage and flood peak regulation and storage, belonging to the technical field of combined overflow pollution control and urban waterlogging prevention and control.
Background
With the promotion of sponge city and ecological civilization city construction, the treatment of black and odorous water bodies in cities becomes a serious importance in improving the quality of water environments. The urban water environment problem is represented in water, the root is on the bank, the key is at the drainage port, and the core is at the pipe network. In the past urban construction, due to limitation of urban development, a confluence drainage system is adopted in most places, especially in old urban areas, domestic sewage and industrial wastewater are discharged into a sewage treatment plant for treatment in dry days, rainwater is mixed with sewage and wastewater in rainy days, one part of mixed water enters the sewage treatment plant, and the other part of mixed water is discharged into a river channel due to insufficient interception multiple, so that the water quality of the river channel is increasingly deteriorated in the long term; the non-point source pollution is mainly surface runoff pollution caused by urban rainfall, and especially the pollution of initial runoff rainwater causes great harm to urban water environment. Although various measures are adopted in each city at present to eliminate the combined overflow pollution and the initial rainwater runoff pollution, a large amount of mixed sewage with serious pollution is discharged into the water body in rainy seasons, and the reason is that a set of effective measures and methods for the combined accurate sewage interception are lacking.
The combined drainage system is used for draining living sewage in drought and draining rainwater in rainy days. At present, along with global warming, short-duration extremely heavy rainfall occurs, flood peak flow is increased, so that urban waterlogging is caused to continuously occur, old urban areas are areas with perfect urban construction, and most of the areas adopt a confluence drainage pipe network, so that the expansion and transformation difficulties are high, and the investment cost is high, so that the urban area can not be realized in many old urban areas. Through setting up rainwater regulation pond at the middle part or the terminal of pipeline, can effectively reduce the peak flow in the pipeline, reduce pipeline pressure, improve the water delivery and drainage ability of pipe network, reduce the emergence of waterlogging, guaranteed the safety of people's property.
Disclosure of Invention
The invention provides a precise rain and sewage mixing regulation and control system and method for combining initial rainwater drainage and flood peak regulation and storage, which are used for solving the problems of the existing combined overflow pollution and the difficult reconstruction of a combined pipe network and flood risk.
Specifically, the precise rainwater and sewage mixing regulation and control system taking account of initial rainwater drainage and flood peak regulation and storage comprises a rainwater inlet pipeline, a rainwater outlet pipeline, a sewage interception pipe, a diversion pool and a regulation and storage pool, wherein the rainwater inlet pipeline is connected with the diversion pool, the diversion pool is connected with a sewage interception main pipe through the sewage interception pipe, and an opening and closing device is arranged between the diversion pool and the sewage interception pipe; the diversion pool is connected with a municipal rainwater main pipe through a rainwater outlet pipeline; the diversion pool is communicated with the regulation pool through an overflow device, and a control device is arranged in the regulation pool and can drain the water into the municipal rainwater main pipe and the sewage interception main pipe respectively according to the water level in the regulation pool.
Further, the control device is an upper liquid level probe, a middle liquid level probe and a bottom liquid level probe which are arranged in the regulating and storing tank and used for sensing the water level, and a pumping pump for pumping high-level water into municipal rainwater main pipes and a submersible sewage pump for pumping bottom sewage of the regulating and storing tank into sewage interception main pipes are further arranged in the regulating and storing tank.
Furthermore, the bottom sewage of the regulating reservoir enters the sewage interception inspection well through the sewage discharge pipe and is then connected with the sewage interception dry pipe.
Further, the opening and closing device comprises a shutoff controller, a shutoff control valve and a water quality probe, wherein the water quality probe is used for detecting the concentration of mixed sewage in the diversion pool, the shutoff control valve is arranged between the diversion pool and the sewage shutoff pipe, and the shutoff controller controls the opening and closing of the shutoff control valve.
Further, the overflow device is a flood peak overflow weir.
Furthermore, the diversion pool is also provided with a diversion pool detection inlet.
Furthermore, the regulation and storage tank is also provided with a detection inlet of the regulation and storage tank.
According to the accurate rain and sewage mixing regulation and control method considering both initial rain water discarding and flood peak regulation and storage, by utilizing the regulation and control system, sewage enters a diversion pool through a rain water inlet pipeline in sunny days, and is directly discharged into a sewage treatment plant through a sewage interception pipe in the diversion pool and a sewage interception dry pipe; in rainy days, initial rainwater and sewage enter a diversion pool through a rainwater inlet pipeline, and enter a sewage interception pipe in the diversion pool preferentially; when the rainwater is increased, the concentration of the mixed sewage is reduced, at the moment, the sewage interception pipe is closed, the mixed sewage is continuously stored in the diversion pond, and when the height reaches a certain level, the mixed sewage is directly discharged into the municipal rainwater main pipe through the rainwater outlet pipeline; along with the continuous promotion of rainfall increase flood peak, the liquid level in reposition of redundant personnel pond constantly improves, when reaching the height of flood peak overflow weir, surpass partial overflow to in the regulation pond, the regulation pond begins to hold flood peak rainwater this moment, water in the regulation pond is in municipal rainwater main pipe along with the continuous decline of water level in the regulation pond through the pump drainage pipe, regulation pond bottom sewage gets into through the blow off pipe and cuts dirty inspection shaft in, then gets into the treatment facility through cutting dirty main pipe, when the liquid level falls to the bottom in regulation pond, the regulation pond is in the normal state of waiting to hold this moment.
The accurate rainwater and sewage mixing regulation and control system and method for achieving both initial rainwater drainage and flood peak regulation and storage can split the initial rainwater and cut sewage, drain the rainwater which is cleaner in the middle and later stages into a municipal rainwater pipe, and timely split and drain the sewage when the flood peak comes, so that the system and method have the characteristic of being accurate.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of the line B-B in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the line A1-A1 in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the line A2-A2 in FIG. 1;
the device comprises a 10-rainwater inlet pipeline, a 11-diversion pool, a 12-1 shutoff control valve, a 12-2 shutoff controller, a 13-sewage shutoff pipe, a 14-water quality probe, a 15-flood peak overflow weir, a 16-rainwater outlet pipeline, a 17-municipal rainwater main pipe, a 18-storage pool, a 19-upper liquid level probe, a 20-pumping and draining pump, a 21-middle liquid level probe, a 22-submersible sewage pump, a 23-pumping and draining pipe, a 24-sewage draining pipe, a 25-sewage shutoff inspection well, a 26-sewage shutoff main pipe, a 27-bottom liquid level probe, a 28-reservoir detection inlet and a 29-diversion pool detection inlet.
Detailed Description
The following describes, in a non-limiting manner, the system and method for controlling and mixing rain and sewage in a precise manner, which are described in the present application and are compatible with initial rainwater drainage and peak regulation.
As shown in fig. 1-4, the precise rain and sewage mixing regulation and control system and method for achieving both initial rain water drainage and peak regulation and storage disclosed by the invention have the following working principles: in dry days, sewage enters the diversion tank 11 through the rainwater inlet pipeline 10, is directly discharged into a sewage treatment plant through the sewage interception pipe 13 in the diversion tank 11 and the sewage interception dry pipe 26, and the interception control valve 12-1 is in a closed state at the moment.
In rainy days, initial rainwater and sewage enter the diversion pool 11 through the rainwater inlet pipeline 10, and enter the sewage interception pipe 13 in the diversion pool 11 preferentially; when the rainwater is increased, the concentration of the mixed sewage is reduced, the concentration reaches the set critical value of the water quality probe 14 in the diversion pool, at the moment, the shutoff controller 12-2 controls the shutoff control valve 12-1 to be started, the sewage interception pipe 13 in the diversion pool 11 is closed, the mixed sewage is continuously stored in the diversion pool 11, and when the mixed sewage reaches a certain height, the mixed sewage is directly discharged into the municipal rainwater main pipe 17 through the rainwater outlet pipeline 16.
As the rainfall increases the flood peak, the liquid level of the diversion pool 11 is continuously increased, when the height of the flood peak overflow weir 15 is reached, the excess part overflows into the regulation pool 18, the regulation pool 18 starts to store the flood peak rainwater, when the water level in the regulation pool 18 reaches the upper liquid level probe 19, the pump 20 starts to start, the water in the regulation pool 18 is pumped into the municipal rainwater main pipe 17 through the pump pipe 23, and as the water level in the regulation pool 18 is continuously reduced, the pump 20 stops working when the water level in the regulation pool 18 reaches the middle liquid level probe 21; in order to prevent secondary pollution caused by deposited sewage in the regulating reservoir 18, the submersible sewage pump 22 starts to work, the sewage at the bottom layer of the regulating reservoir 18 enters the sewage interception inspection well 25 through the sewage discharge pipe 24 and then enters the treatment plant through the sewage interception dry pipe 26, when the liquid level drops to the bottom layer liquid level probe 27 of the regulating reservoir 18, the submersible sewage pump 22 stops working, and the regulating reservoir 18 is in a normal state to be stored. In order to facilitate inspection and maintenance of the diversion tank and the regulation tank, a reservoir detection inlet 28 and a diversion tank detection inlet 29 are provided, respectively.
It is to be understood that the above description includes drawings and is not intended to limit the scope of the invention, but in fact, modifications to the invention, including the shape, size, materials used, and equivalents of the same or similar functional elements of the various parts of the system, are within the scope of the invention as claimed in the application.
Claims (1)
1. A precise rain and sewage mixing regulation and control method taking account of initial rainwater drainage and flood peak regulation and storage is characterized in that: the method uses a regulation and control system, the regulation and control system comprises a rainwater inlet pipeline, a rainwater outlet pipeline, a sewage interception pipe, a diversion pool and a regulation and storage pool, the rainwater inlet pipeline is connected with the diversion pool, the diversion pool is connected with a sewage interception main pipe through the sewage interception pipe, and an opening and closing device is arranged between the diversion pool and the sewage interception pipe; the diversion pool is connected with a municipal rainwater main pipe through a rainwater outlet pipeline; the diversion pool is communicated with the regulation pool through an overflow device, a control device is arranged in the regulation pool, and the diversion pool can be respectively discharged into a municipal rainwater main pipe and a sewage interception main pipe according to the water level in the regulation pool; the control device is an upper liquid level probe, a middle liquid level probe and a bottom liquid level probe which are arranged in the regulating and storing tank and used for sensing the height of the water level, and a pump for pumping high-level water into a municipal rainwater main pipe and a submersible sewage pump for pumping bottom sewage of the regulating and storing tank into a sewage interception main pipe are also arranged in the regulating and storing tank; the sewage at the bottom layer of the regulating and accumulating tank enters the sewage interception inspection well through a sewage discharge pipe and is then connected with the sewage interception dry pipe; the opening and closing device comprises a shutoff controller, a shutoff control valve and a water quality probe, wherein the water quality probe is used for detecting the concentration of mixed sewage in the diversion pool, the shutoff control valve is arranged between the diversion pool and the sewage shutoff pipe, and the shutoff controller controls the opening and closing of the shutoff control valve; the overflow device is a flood peak overflow weir; the diversion pool is also provided with a diversion pool detection inlet; the regulating reservoir is also provided with a regulating reservoir detection inlet;
in sunny days, sewage enters a diversion pool through a rainwater inlet pipeline, and is directly discharged into a sewage treatment plant through a sewage interception pipe in the diversion pool and a sewage interception dry pipe; in rainy days, initial rainwater and sewage enter a diversion pool through a rainwater inlet pipeline, and enter a sewage interception pipe in the diversion pool preferentially; when the rainwater is increased, the concentration of the mixed sewage is reduced, at the moment, the sewage interception pipe is closed, the mixed sewage is continuously stored in the diversion pond, and when the height reaches a certain level, the mixed sewage is directly discharged into the municipal rainwater main pipe through the rainwater outlet pipeline; along with the continuous promotion of rainfall increase flood peak, the liquid level in reposition of redundant personnel pond constantly improves, when reaching the height of flood peak overflow weir, surpass partial overflow to in the regulation pond, the regulation pond begins to hold flood peak rainwater this moment, water in the regulation pond is in municipal rainwater main pipe through the pump drainage pipe, along with the continuous reduction of water level in the regulation pond, regulation pond bottom sewage gets into through the blow off pipe and cuts dirty inspection shaft in, then gets into the treatment facility through cutting dirty main pipe, when the liquid level falls to the bottom in regulation pond, the regulation pond is in the normal state of waiting to hold this moment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910329840.5A CN110029712B (en) | 2019-04-23 | 2019-04-23 | Rain and sewage mixed regulation and control method considering initial rainwater drainage and flood peak regulation |
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| CN201910329840.5A CN110029712B (en) | 2019-04-23 | 2019-04-23 | Rain and sewage mixed regulation and control method considering initial rainwater drainage and flood peak regulation |
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| CN110029712A CN110029712A (en) | 2019-07-19 |
| CN110029712B true CN110029712B (en) | 2024-01-30 |
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| CN201910329840.5A Active CN110029712B (en) | 2019-04-23 | 2019-04-23 | Rain and sewage mixed regulation and control method considering initial rainwater drainage and flood peak regulation |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111214856A (en) * | 2020-03-13 | 2020-06-02 | 北控水务(中国)投资有限公司 | Storage regulation treatment equipment, method, device and system for overflow pollution |
| CN111851691B (en) * | 2020-08-09 | 2021-12-28 | 江苏亚太水务集团股份有限公司 | Sponge city municipal administration rainwater regulation reposition of redundant personnel system |
| CN111851690A (en) * | 2020-08-09 | 2020-10-30 | 北京逸智联科技有限公司 | Sponge urban rainwater storage and distribution method |
| CN112320991A (en) * | 2020-11-27 | 2021-02-05 | 九江精密测试技术研究所 | Regulation and storage tank system for rainwater treatment |
| CN114703942B (en) * | 2022-05-19 | 2023-07-07 | 西华大学 | Rainwater interception system |
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