CN111851691B - Sponge city municipal administration rainwater regulation reposition of redundant personnel system - Google Patents
Sponge city municipal administration rainwater regulation reposition of redundant personnel system Download PDFInfo
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- CN111851691B CN111851691B CN202010792296.0A CN202010792296A CN111851691B CN 111851691 B CN111851691 B CN 111851691B CN 202010792296 A CN202010792296 A CN 202010792296A CN 111851691 B CN111851691 B CN 111851691B
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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
- E03F1/003—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells via underground elongated vaulted 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
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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
- 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
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- 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
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- 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
Abstract
The utility model provides a sponge city rainwater regulation reposition of redundant personnel system, includes: the device comprises a collecting tank, a buffer tank, a rainwater pipeline and a sewage pipeline; the collecting tank is communicated with the buffer tank through a first control valve and an overflow weir; the rainwater pipeline is communicated with the buffer pool; the sewage pipeline is communicated with the collecting tank through a sewage pump; the buffer tank is provided with a water quality sensor and a water level sensor; the collection of the primary rain and the regulation and storage of the storm rain are realized through the structural arrangement of the collecting tank and the buffer tank. According to the sponge urban rainwater storage and distribution system, rainwater with serious pollution caused by early rainfall on the road can be collected through the storage regulation function of the collecting tank, and meanwhile, the skimming reduction can be performed on flood peaks caused by heavy rain, so that the pressure and load of a sewage treatment plant can be reduced, the urban water ecology is protected, and the water body is purified.
Description
Technical Field
The invention relates to the field of municipal water supply and drainage, in particular to a municipal rainwater storage and distribution system for a sponge city.
Background
The sponge city is a brand new mode, the ecological city and the low-carbon city are the foundation of the sponge city, and the sponge city is an image metaphor, which means that the city is rich in elasticity like a sponge and faces the change of the external environment, gradually adapts to the change of the external environment, can effectively deal with natural disasters such as rainstorm, drought and the like, repairs the water ecology of the city, and realizes multiple targets of water safety, water environment protection and the like. The main purpose of sponge city construction is to maintain harmony and unity of city development and natural environment. The sponge city realizes that the development of the city is unified with the protection of the natural ecological environment, and the effects of no water accumulation in light rain, no waterlogging in heavy rain, alleviation of heat island effect and no black and odorous water body are achieved by adopting a low-influence development means and comprehensively adopting measures of seepage, stagnation, storage, purification, use and discharge.
The initial rainwater is a certain part of rainwater at the initial stage of runoff formed in different catchment surfaces and pipe channels. The method is characterized in that the concentration of pollutants in initial rainwater is far higher than that of later runoff rainwater. At present, the construction of sponge cities in various cities is gradually promoted, and the treatment measures of initial rainwater play an important role in the construction of the sponge cities, and contribute to water quality and hydrology.
At present, the comparatively effectual initial stage rainwater collection mode is the collecting pit collection mode, the rationale of collecting pit: after the rainwater falls to the road surface, when ground produced the runoff, initial stage road rainwater runoff can get into the pipeline of connecting the collecting pit in, automatic switching over device valve can automatic switch to municipal rainwater pipeline behind the initial stage rainwater entering collecting pit of road, in later stage rainwater gets into the municipal pipeline. The initial rainwater of the road flowing into the collecting tank is treated by the sewage treatment system, and all indexes can be discharged after reaching the standard. Through the regulation effect of collecting pit, can collect the more serious rainwater of pollution of rainfall at the initial stage of road, adjust quality of water and water yield, can alleviate sewage treatment plant's pressure and load, simultaneously, the ecological purification effect of full play purifies the water.
The digestion, storage and purification of rainstorms caused by heavy rain are important features of sponge cities. The initial rainwater collecting tank has a certain effect on regulating and storing rainwater by collecting initial rainwater. However, the initial rainwater collecting tank switches over the valve promptly after having collected road initial rainwater, and the later stage rainwater passes through municipal rainwater pipeline and gets into municipal pipeline, when meetting the flood peak that urban torrential rain leads to, can't further play the effect of wrong peak regulation. In the prior art, the municipal engineering design and research institute of Guangzhou city proposed a rainwater overflow regulation and storage facility in the invention patent of CN103821222A, wherein a peak overflow weir is arranged in an interception pool, and when rainstorm occurs, part of rainwater in the interception pool flows into the regulation and storage pool through the peak overflow weir, so that the skimming reduction of the flood peak is realized during the rainstorm, and the municipal pipeline pressure is reduced. However, the rainstorm generally follows initial rainwater, the sewage treatment plant cannot simultaneously treat initial polluted rainwater, and the initial rainwater in the regulation and storage tank is conveyed to the sewage treatment plant for treatment after the rainfall is finished, so that when part of rainwater in the interception tank overflows, the initial rainwater with high pollution concentration still exists in the regulation and storage tank, and the method actually mixes the initial rainwater with later rainwater, so that an outflow tank with a water quality monitor is required to be arranged for the subsequent treatment of the rainwater in the regulation and storage tank; if the quality of the mixed rainwater in the storage tank is lower than the standard, the mixed rainwater needs to be completely input into a sewage treatment system for treatment, so that the treatment pressure of a sewage treatment plant is increased; even if the quality of the mixed rainwater meets the standard, the rainwater is discharged directly through the municipal pipeline, so that the pollution of the initial rainwater is substantially discharged out of the environment again, and the environmental water quality is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a sponge city municipal rainwater storage and distribution system which can perform skimming reduction on flood peaks caused by heavy rain, and meanwhile, the pressure of a sewage treatment plant cannot be increased, and the influence on the environmental water quality is avoided.
As an aspect of the present invention, there is provided a sponge urban rainwater storage and distribution system, comprising: the device comprises a collecting tank, a buffer tank, a rainwater pipeline and a sewage pipeline; the collecting tank is communicated with the buffer tank through a first control valve and an overflow weir; the rainwater pipeline is communicated with the buffer pool; the sewage pipeline is communicated with the collecting tank through a sewage pump; the water quality sensor and the water level sensor are arranged in the buffer tank; the collecting tank comprises a first wall, a second wall, a first bottom and a second bottom; the first wall is an outer wall which surrounds and forms the outer wall of the collecting tank; the second wall is positioned inside the first wall and is separated from the first wall, and the second wall surrounds and forms the inner pool of the collecting pool; an outer pool of the collecting pool is formed between the first wall and the second wall; the depth of the second wall is greater than the depth of the first wall; the first bottom is positioned between the first wall and the second wall, is an inclined plane, and has a height higher than that of the inner side; the second bottom is positioned at the bottom of the inner pool and is a plane; a second control valve is arranged at the position, close to the first bottom, of the second wall and used for controlling the communication between the inner tank and the outer tank; the sponge city rainwater storage and distribution system further comprises a return pipe and a controller, the return pipe is communicated with a rainwater pipeline, and one side of the return pipe is communicated with the bottom of the first wall through a third control valve; and the controller controls the first control valve, the second control valve, the third control valve and the dredge pump to be switched on and off according to the detection results of the water quality sensor and the water level sensor.
Further, a connection port of the overflow weir and the collection tank is positioned on the upper half part of the first wall.
Further, the height of a connecting opening of the overflow weir and the collecting tank is lower than that of the second wall.
Further, the controller opens the first control valve when the detection value of the water quality sensor is greater than a threshold value, and closes the first control valve when the detection value of the water quality sensor is less than the threshold value.
Further, when the water level of the buffer pool is higher than the threshold water level, the controller opens the second control valve, so that the rainwater in the pool outside the collecting pool flows into the pool inside the collecting pool, and then the second control valve is closed.
Further, the threshold water level is below the weir height.
Furthermore, the sewage pump is communicated with the inner pool of the collecting pool.
Further, if the second control valve is not triggered to open during rainfall: after the rainfall is finished, the controller opens the second control valve, so that the rainwater in the outer pool of the collecting pool flows into the inner pool of the collecting pool, then the second control valve is closed, and the rainwater in the inner pool of the collecting pool is conveyed to a sewage treatment system through a sewage pipeline by a sewage pump for treatment; otherwise, the controller opens the third control valve, rainwater in the pool outside the collecting pool flows out of the rainwater pipeline through the return pipe and is discharged, and rainwater in the pool inside the collecting pool is conveyed to the sewage treatment system through the sewage pipeline through the sewage discharge pump to be treated.
Furthermore, sponge city rainwater regulation reposition of redundant personnel system does not set up the pond of effluenting.
Furthermore, the collecting tank is used for collecting initial rainwater and reducing flood peaks.
Drawings
FIG. 1 is a schematic plan view of a municipal rainwater storage and distribution system for sponge cities according to an embodiment of the invention.
FIG. 2 is a schematic cross-sectional view taken along line A-A of an embodiment of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. Moreover, it is to be understood that the features of the various embodiments described herein are not mutually exclusive and can exist in a wide variety of combinations and permutations.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The sponge city municipal rainwater regulation and distribution system according to the embodiment of the invention, as shown in fig. 1 and 2, comprises a collection tank 10, a buffer tank 20, a rainwater pipeline 30, a sewage pipeline 40, a return pipe 50 and a controller (not shown). The collection tank 10 comprises a first wall 11, a second wall 12, a first bottom 13 and a second bottom 14. The first wall 11 is an outer wall which surrounds the outer wall forming the collecting tank. A second wall 12 is located inside the first wall 11 and spaced from the first wall 11 and surrounds a sump 15 in the collection tank. The first wall 11 and the second wall 12 form an external sump 16 between the collection tank and the second wall. The depth of the second wall 12 is greater than the depth of the first wall 11. The first bottom 13 is located between the first wall 11 and the second wall 12, and is a slope with the height of the outer side higher than the inner side. The second bottom 14 is located at the bottom of the inner tank 15, and is a plane.
The collecting tank 10 is communicated with the buffer tank 20 through a first control valve 21 and an overflow weir 22. The rainwater pipeline 30 includes a rainwater inlet pipeline 31 and a rainwater outlet pipeline 32, and the buffer tank 20 is respectively communicated with the rainwater inlet pipeline 31 and the rainwater outlet pipeline 32. The connection of the weir 22 to the collection tank 10 is located in the upper half of the first wall 11 at a lower level than the second wall 11.
The buffer tank 20 is provided with a water quality sensor 23 and a water level sensor 24. The water quality sensor 23 is used for monitoring the quality of the rainwater passing through the buffer tank 20, and can be used for detecting the turbidity and/or the conductivity of the rainwater to determine the water quality. The water level sensor 24 is used to detect the water level of the buffer tank 20, and an ultrasonic water level sensor, for example, may be used. The sewage line 40 communicates with the inner tank 15 of the collecting tank 10 through a sewage pump 41. A second control valve 17 is provided in the second wall 12 adjacent the first bottom 13 for controlling the communication of the inner tank 15 with the outer tank 16. The return pipe 50 communicates at one side with the rainwater line 30 and at the other side with the bottom of the first wall 11 through a third control valve 51.
And a controller for controlling the opening and closing of the first control valve 21, the second control valve 17, the third control valve 51 and the sewage pump 41 based on the detection results of the water quality sensor 23 and the water level sensor 24. Specifically, in the early stage of rainfall, the second control valve 17 is closed, when the detection value of the water quality sensor 23 is greater than the threshold value, the controller opens the first control valve 21 to trap the highly polluted initial rainwater to the outside of the collection pool 16, and when the detection value of the water quality sensor 23 is less than the threshold value, the first control valve 21 is closed; wherein the threshold is a water quality threshold, which can be determined empirically or experimentally. When the water level of the buffer pool 20 is higher than the threshold water level, the controller opens the second control valve 17, so that the rainwater in the pool 16 outside the collecting pool flows into the pool 15 inside the collecting pool, and then closes the second control valve; this threshold level is slightly below the level of weir 22 so that in the event of an impending storm surge, rain water from the outer pool 16 drains into the lower portion of the inner pool 15. During heavy rain and flood peaks, part of the rain water in the catch basin flows into the storage basin outer basin 16 through the flood peak overflow weir.
After the end of the rainfall, if the second control valve 17 is not triggered to open during the rainfall: the controller opens the second control valve 17, so that the rainwater in the collecting tank outer tank 26 flows into the collecting tank inner tank 25, then the second control valve 17 is closed, and the rainwater in the collecting tank inner tank 15 is conveyed to a sewage treatment system through a sewage pipeline 40 by a sewage discharge pump 41 for treatment; otherwise, the controller opens the third control valve 51, the rainwater in the external pool 16 flows out to the rainwater pipeline through the return pipe 50 and is discharged, and the rainwater in the internal pool 15 is delivered to the sewage treatment system through the sewage pipeline 40 by the sewage pump 41 for treatment.
All documents referred to herein are incorporated by reference into this application as if each were individually incorporated by reference. Furthermore, it should be understood that after reading the above disclosure of the present invention, the scope of the present invention is not limited to the above embodiments, and those skilled in the art can make various changes or modifications to the present invention without departing from the principle of the present invention, and these equivalents also fall within the scope of the present invention as defined by the appended claims.
Claims (7)
1. The utility model provides a sponge city rainwater regulation reposition of redundant personnel system, includes: the device comprises a collecting tank, a buffer tank, a rainwater pipeline and a sewage pipeline; the collecting tank is communicated with the buffer tank through a first control valve and an overflow weir; the rainwater pipeline is communicated with the buffer pool; the sewage pipeline is communicated with the collecting tank through a sewage pump; the buffer tank is provided with a water quality sensor and a water level sensor; the method is characterized in that: the collecting tank comprises a first wall, a second wall, a first bottom and a second bottom; the first wall is an outer wall which surrounds and forms the outer wall of the collecting tank; the second wall is positioned inside the first wall and is separated from the first wall, and the second wall surrounds and forms the inner pool of the collecting pool; an outer pool of the collecting pool is formed between the first wall and the second wall; the depth of the second wall is greater than the depth of the first wall; the height of a connecting port of the overflow weir and the collecting tank is lower than that of the second wall; the first bottom is positioned between the first wall and the second wall, is an inclined plane, and has a height higher than that of the inner side; the second bottom is positioned at the bottom of the inner pool and is a plane; a second control valve is arranged at the position, close to the first bottom, of the second wall and used for controlling the communication between the inner tank and the outer tank; the sponge city rainwater storage and distribution system further comprises a return pipe and a controller, the return pipe is communicated with a rainwater pipeline, and one side of the return pipe is communicated with the bottom of the first wall through a third control valve; and the controller controls the first control valve, the second control valve, the third control valve and the dredge pump to be switched on and off according to the detection results of the water quality sensor and the water level sensor.
2. The sponge urban rainwater regulation and storage shunting system of claim 1, wherein: and a connecting port of the overflow weir and the collecting tank is positioned on the upper half part of the first wall.
3. The sponge urban rainwater regulation and storage shunting system of claim 1, wherein: the height of a connecting opening of the overflow weir and the collecting tank is lower than that of the second wall.
4. The sponge urban rainwater regulation and storage shunting system of claim 1, wherein: the sewage pump is communicated with the inner pool of the collecting pool.
5. The sponge urban rainwater regulation and storage shunting system of claim 1, wherein: the collecting tank is used for collecting initial rainwater and reducing flood peaks.
6. The sponge urban rainwater regulation and storage shunting system of claim 1, wherein: the water quality sensor is used for monitoring the quality of rainwater passing through the buffer pool, and can determine the water quality by detecting the turbidity and/or the conductivity of the rainwater.
7. The sponge urban rainwater regulation and storage shunting system of claim 1, wherein: the water level sensor is an ultrasonic water level sensor.
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| CN202010792296.0A CN111851691B (en) | 2020-08-09 | 2020-08-09 | Sponge city municipal administration rainwater regulation reposition of redundant personnel system |
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| CN202010792296.0A CN111851691B (en) | 2020-08-09 | 2020-08-09 | Sponge city municipal administration rainwater regulation reposition of redundant personnel system |
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| CN111851691B true CN111851691B (en) | 2021-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114703942B (en) * | 2022-05-19 | 2023-07-07 | 西华大学 | Rainwater interception system |
| CN114837279B (en) * | 2022-07-05 | 2022-09-16 | 济南黄河路桥建设集团有限公司 | Waterproof system of urban tunnel structure |
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| CN209227737U (en) * | 2018-06-29 | 2019-08-09 | 珠海市规划设计研究院 | A kind of Multifunctional rain storage pond |
| CN210395573U (en) * | 2019-04-23 | 2020-04-24 | 深圳职业技术学院 | Precision rain and sewage mixing regulation and control system considering initial rainwater discarding and peak regulation |
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2020
- 2020-08-09 CN CN202010792296.0A patent/CN111851691B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005026644B4 (en) * | 2005-06-09 | 2013-06-06 | Reiner Götz | Method for retention of precipitation water in a percolation area in the area of formation |
| 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 |
| CN107558593A (en) * | 2017-09-30 | 2018-01-09 | 武汉圣禹排水系统有限公司 | It is a kind of to enter four drainage systems and water discharge control method for going out formula shunting well including one |
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