CN210032029U - Treatment system of pipeline communicated with natural water body - Google Patents

Treatment system of pipeline communicated with natural water body Download PDF

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Publication number
CN210032029U
CN210032029U CN201821910126.2U CN201821910126U CN210032029U CN 210032029 U CN210032029 U CN 210032029U CN 201821910126 U CN201821910126 U CN 201821910126U CN 210032029 U CN210032029 U CN 210032029U
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China
Prior art keywords
pipeline
water
storage pool
pump
natural water
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CN201821910126.2U
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Chinese (zh)
Inventor
周超
李习洪
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Wuhan Shengyu Smart Ecological Environmental Protection Co ltd
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Wuhan Shengyu Drainage Systems Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/02Arrangement of sewer pipe-lines or pipe-line systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/04Pipes or fittings specially adapted to sewers
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/102Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins using already existing parts of the sewer system for runoff-regulation
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • E03F5/105Accessories, e.g. flow regulators or cleaning devices

Abstract

The utility model discloses a control system of pipeline with natural water intercommunication for administer the pipeline that has certain ponding, pipeline and natural water intercommunication, a serial communication port, include: the storage pool is communicated with the pipeline and is used for collecting sewage after the accumulated water in the pipeline and the initial rainwater are mixed; the first switch or the first water pump is arranged between the storage pool and the pipeline and used for switching on or off the storage pool and the pipeline, and the sewage flows into the storage pool through pump drainage or gravity after the accumulated water in the pipeline and the initial rainwater are mixed; the second switch piece or the second water pump is arranged between the pipeline and the natural water body and used for switching on or off the pipeline and the natural water body, and the rainwater in the middle and later periods in the pipeline flows into the natural water body through pump drainage or gravity; and the first water pump is arranged in the storage tank and used for pumping and discharging the sewage in the storage tank to a sewage pipe or a sewage treatment plant or a sewage treatment facility.

Description

Treatment system of pipeline communicated with natural water body
Technical Field
The utility model relates to a plumbing technical field specifically is a governing system who relates to a pipeline with natural water intercommunication.
Background
With the accelerating urbanization process all over the country, the pollution hazard of the urban surface runoff is increasingly concerned. At present, two drainage systems of confluence system and shunt system are mainly adopted in China. The combined pipeline and the split rainwater pipe are directly connected with the natural water body. However, in some domestic cities such as Shanghai, Shenzhen, Wuhan and other Linjiang regions, because the underground water level is higher, the river water level of the cities is also higher, and the river water enters the pipeline, a certain amount of water is continuously kept in the pipeline. The general treatment of this part of water in the prior art is in two ways, as follows:
firstly, water in the pipeline is forcibly discharged continuously through a pump station and is pumped out and discharged into a river channel, but because the underground water level is also high, even if the pump station pumps away, underground water can continuously permeate into the pipeline, so that a certain amount of water still exists in the pipeline, and the cost is high when the pump station pumps water continuously, so that resource waste is caused, and the urban underground water level is also reduced;
and secondly, water in the pipeline is always placed in the pipeline, and when raining, the water in the pipeline can be mixed with rainwater and then flows into a natural water body.
However, if the water in the pipe is always placed inside the pipe, more problems are faced, especially when the pipe is a pipe directly communicating with the natural body of water. Specific problems are as follows:
first, there is a certain amount of water in the pipeline at ordinary times, because the wrong festival of domestic sewage gets into behind the pipeline, the water that stores up in this pipeline will become sewage, in case the rainfall, because pipeline and natural water body intercommunication, the sewage of these pipelines the inside will directly be discharged into the natural water body in, causes the pollution to the natural water body.
Secondly, because the pipeline is full of water for a long time, water does not flow again, and a large amount of deposits will be accumulated to the pipeline bottom, to the pipeline bottom that does not handle throughout the year more can deposit a large amount of silt, and when falling torrential rain, the deposit and the silt of pipeline bottom will mix the rainwater and form sewage, arrange natural water (like the river course), further cause the pollution to natural water.
Therefore, in cities with high underground water levels and high river water levels, how to treat water accumulated in the pipelines is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned background art, provide the treatment system of the pipeline with natural water intercommunication. The utility model discloses can prevent directly getting into the natural water with the water that deposits in the pipeline of natural water intercommunication to avoid causing the pollution to the natural water, reduce sewage factory treatment pressure simultaneously.
The utility model provides a governing system with pipeline of natural water body intercommunication for administer the pipeline that has certain ponding, pipeline and natural water body intercommunication, include:
the storage pool is communicated with the pipeline and is used for collecting sewage after the accumulated water in the pipeline and initial rainwater are mixed;
the first switch or the first water pump is arranged between the storage pool and the pipeline and used for switching on or off the storage pool and the pipeline, and sewage flows into the storage pool through pump drainage or gravity after accumulated water in the pipeline and initial rainwater are mixed;
the second switch piece or the second water pump is arranged between the pipeline and the natural water body and used for switching on or off the pipeline and the natural water body, and the rainwater in the middle and later periods in the pipeline flows into the natural water body through a pump row or gravity;
and the first water pump is arranged in the storage tank and used for pumping and discharging the sewage in the storage tank to a sewage pipe or a sewage treatment plant or a sewage treatment facility.
On the basis of the scheme, the water storage device further comprises a flow dividing device, wherein the flow dividing device is provided with at least one water inlet, a first water outlet and a second water outlet, the water inlet is communicated with the water outlet end of the pipeline, the first water outlet is communicated with the storage pool, the second water outlet can be communicated with the natural water body, the first switch piece is arranged on the pipeline where the first water outlet or the first water outlet is communicated with the storage pool, and the second switch piece is arranged on the pipeline where the second water outlet or the second water outlet is communicated with the natural water body.
On the basis of the scheme, the flow dividing device is a flow dividing well, an intercepting well or a flow abandoning well.
On the basis of the scheme, the volume of the storage pool is V, the water amount stored in the pipeline on sunny days is V1, the initial rainfall conveyed by the pipeline is V2, wherein V is more than or equal to V1+ V2;
and/or an intelligent ejector is arranged in the storage pool and used for flushing the storage pool by aeration.
On the basis of the scheme, a plurality of pipelines are connected with the storage pool, and the first switch piece or the first water pump is arranged between each branch pipeline and the storage pool.
On the basis of the scheme, the volume of the storage pool is V, the sum of the water stored in all the pipelines on a sunny day is V3, and the sum of the initial rainfall transported by all the pipelines is V4, wherein V is more than or equal to V3+ V4.
On the basis of the scheme, the system further comprises a control system, wherein the control system comprises a rain gauge, a liquid level meter and a controller, the rain gauge, the liquid level meter, a first switch or a first water pump, a second switch or a second water pump and a third water pump are respectively in signal connection with the controller, wherein,
the rain gauge is used for monitoring rainfall;
the liquid level meter is used for monitoring the liquid level height in the storage tank;
the controller is used for controlling the first switch piece or the first water pump to act according to the rainfall and/or the liquid level height, conducting or stopping the pipeline and the storage pool, controlling the second switch piece or the second water pump to act, conducting or stopping the pipeline and the natural water body, controlling the third water pump to act, and emptying the storage pool.
On the basis of the scheme, a pump chamber is arranged at the tail end of the pipeline, the pipeline is communicated with the pump chamber, and the first water pump and the second water pump are arranged in the pump chamber;
or the first water pump is arranged in the pump chamber, the pump chamber is communicated with the natural water body, and the second switch piece is arranged on a pipeline for communicating the pump chamber with the natural water body;
or the second water pump is arranged in the pump chamber, the pump chamber is communicated with the storage pool, and the first switch piece is arranged on a pipeline for communicating the pump chamber with the storage pool.
Compared with the prior art, the utility model has the advantages as follows:
(1) when rainfall, the sewage after mixing rainwater and the ponding in the pipeline and clean rainwater are shunted, and the sewage after mixing rainwater and the ponding in the pipeline is collected in the storage pond, prevents that sewage from getting into the nature water, causes the pollution to the nature water, discharges clean rainwater to the nature water simultaneously. And moreover, sewage is stored in a storage pool mode, rainwater flood peaks are staggered, and then the sewage is discharged to a sewage treatment plant, so that the treatment pressure of the sewage treatment plant is reduced.
(2) The utility model discloses be equipped with control system, through the liquid level height in monitoring rainfall and storage pool, can realize the utility model discloses system automatic control shunts, and when rainfall reached the rainfall threshold value, when the level gauge monitored the liquid level height in the storage pool and was less than the liquid level threshold value, the sewage after the ponding in controller control rainwater and the pipeline mixes emits into the storage pool, and when rainfall reached rainfall threshold value and liquid level threshold value, the controller controlled natural water body switched on with diverging device, and clean rainwater emits into the natural water body. The utility model discloses a control system can realize the automated control of this system, has reduced personnel's maintenance cost.
(3) The utility model discloses can be to having the transformation of confluence pipe and rainwater pipe, be particularly useful for the higher city of ground water level, solved and had the pipeline because the ponding fermentation that exists throughout the year is smelly or sneak into the domestic sewage pipeline and have a certain amount of sewage in, when rainy day, along with the rainwater problem of discharging into the natural water together, the transformation is with low costs, has very strong practicality.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 3 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 6 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 4 and 5 are schematic structural diagrams of embodiment 8 of the present invention.
Reference numerals: 1-pipeline, 2-storage pool, 20-third water pump, 3-second water pump, 30-second switching piece, 4-first switching piece and 40-first water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment of the utility model provides a treatment system with pipeline of natural water intercommunication for administer the pipeline 1 that has certain ponding, pipeline 1's end and natural water intercommunication, include:
the storage pool 2 is communicated with the pipeline 1, and the storage pool 2 is used for collecting sewage after the accumulated water in the pipeline and initial rainwater are mixed;
the first switch part 4 is arranged between the storage pool 2 and the pipeline between the first switches and is used for switching on or off the storage pool 2 and the pipeline, and the sewage gravity flows into the storage pool 2 after the accumulated water in the pipeline is mixed with the initial rainwater;
the second switch part 30 is arranged between the pipeline and the natural water body, and is used for switching on or off the pipeline and the natural water body, and middle and later stage rainwater in the pipeline is pumped into or flows into the natural water body by gravity;
and the third water pump 20 and the first water pump 40 are arranged in the storage pool 2 and are used for pumping and discharging the sewage in the storage pool 2 to a sewage pipe or a sewage treatment plant or a sewage treatment facility. Wherein, the sewage treatment facility can be an integrated sewage treatment station.
In a sunny day, the first switch part 4 and the second switch are both closed, accumulated water exists in the pipeline, the first switch part 4 is opened in the early stage of rain, the initial-stage rain water and the accumulated water in the pipeline are mixed and then discharged into the storage pool 2, the third water pump 20 in the storage pool 2 is opened, sewage in the storage pool 2 is pumped into a sewage pipe or a sewage treatment plant or a sewage treatment facility for treatment, the first switch part 4 is closed along with the continuation of rain, the second switch part 30 is opened, the pipeline is communicated with a natural water body, the rain water in the middle and later stages is discharged into the natural water body, and the condition that the dirty water in the pipeline flows into the river to pollute the environment is avoided.
The first switch 4 in this embodiment may be a gate-like structure, a weir-like structure, an air bag, an air pillow, or a pneumatic pinch valve.
Example 2
On the basis of embodiment 1, a flow dividing device is arranged at the end of the pipeline, the flow dividing device is provided with at least one water inlet, a first water outlet and a second water outlet, the water inlet is communicated with the water outlet end of the pipeline, the first water outlet is communicated with the storage pool 2, the second water outlet can be communicated with the natural water body, a first switch piece 4 is arranged on a pipeline where the first water outlet or the first water outlet is communicated with the storage pool 2, and a second switch piece 30 is arranged on a pipeline where the second water outlet or the second water outlet is communicated with the natural water body. Wherein, the flow dividing device is a flow dividing well, a cut-off well or a flow abandoning well.
Example 3
This example differs from example 1 in that: the method comprises the steps that a first switch 4 and a second switch 30 are arranged in embodiment 1, a first water pump 40 and a second water pump 3 are arranged in the embodiment, the first water pump 40 is arranged between a storage pool 2 and a pipeline and used for conducting or stopping the storage pool 2 and the pipeline, accumulated water in the pipeline is mixed with initial rainwater, and then the mixed water is discharged to the storage pool 2 through a sewage pump; the second water pump 3 is arranged between the pipeline and the natural water body and used for switching on or off the pipeline and the natural water body, and rainwater in the middle and later periods in the pipeline is discharged into the natural water body through the pump.
In sunny days, the first water pump 40 and the second water pump are both closed, accumulated water exists in the pipeline, the first water pump 40 is opened in the early stage of rain, the initial rainwater and the accumulated water in the pipeline are mixed and pumped into the storage pool 2, the third water pump 20 in the storage pool 2 is opened, sewage in the storage pool 2 is pumped into a sewage pipe or a sewage treatment plant or a sewage treatment facility for treatment, the first water pump 40 is closed along with the continuation of rain, the second water pump 3 is opened, the pipeline is communicated with a natural water body, the rainwater in the middle and later stages is discharged into the natural water body, and the condition that dirty water in the pipeline flows into the river to pollute the environment is avoided.
Example 4
This embodiment is based on embodiment 3 and is provided with a pump chamber at the end of the pipe, the pipe is communicated with the pump chamber, wherein the first water pump 40 and the second water pump 3 are arranged in the pump chamber.
Example 5
This example differs from example 4 in that: the first water pump 40 and the second switch are arranged, wherein the first water pump 40 is arranged in the pump chamber, the pump chamber is communicated with the natural water body, and the second switch piece 30 is arranged on a pipeline for communicating the pump chamber with the natural water body.
Example 6
This example differs from example 4 in that: a first switch member 4 and a second water pump 3 are arranged, wherein the second water pump 3 is arranged in a pump chamber, the pump chamber is communicated with the storage pool 2, and the first switch member 4 is arranged on a pipeline for communicating the pump chamber with the storage pool 2.
Example 7
In the above embodiments 1 to 6, the volume of the storage pool 2 is V, the amount of water stored in the pipeline on a sunny day is V1, and the initial rainfall transported by the pipeline is V2, where V is not less than V1+ V2.
Although the volume of the storage pool 2 is smaller than the sum of the pipeline volume and the initial rainfall, the third water pump 20 needs to be continuously used for pumping and discharging water while the water enters the storage pool 2, so that the equipment loss is large, and if a sewage treatment plant or sewage treatment equipment does not have the capacity to contain redundant sewage at the moment, the sewage enters the river, and the safety and reliability are poor.
If the storage pool 2 is large in volume, the occupied area is increased, so that a large storage pool 2 is difficult to construct in the existing city, and the applicable range is limited. Therefore, the design of the embodiment is most reasonable.
Example 8
On the basis of the above embodiments 1 to 6, a plurality of pipelines are connected to a storage pool 2, and a first switch member 4 or a first water pump 40 is arranged between each branch pipeline and the storage pool 2. Because the construction amount of the storage pool 2 is large, the cost is high, the storage pool 2 can be shared by a plurality of pipelines, the resource waste is reduced, the cost is reduced, and when the storage pool is used, all the first switch pieces 4 or the first water pumps 40 are turned on simultaneously.
In the embodiment, the volume of the corresponding storage pool 2 is V, the sum of the water amounts stored in all the pipelines on a sunny day is V3, and the sum of the initial rainfall amount conveyed by all the pipelines is V4, wherein V is more than or equal to V3+ V4.
Example 9
On the basis of the above embodiments 1 to 8, the system further comprises a control system, the control system comprises a rain gauge, a liquid level meter and a controller, the rain gauge, the liquid level meter, the first switch member 4 or the first water pump 40, the second switch member 30 or the second water pump 3, and the third water pump 20 are respectively in signal connection with the controller, wherein,
the rain gauge is used for monitoring rainfall;
the liquid level meter is used for monitoring the liquid level height in the storage pool 2;
the controller is used for controlling the first switch part 4 or the first water pump 40 to act according to rainfall and/or liquid level height, switching on or off the pipeline and the storage pool 2, controlling the second switch part 30 or the second water pump 3 to act, switching on or off the pipeline and the natural water body, controlling the third water pump 20 to act, and emptying the storage pool 2.
Example 10
Using embodiments 1 to 9 above, this embodiment provides a method for treating a pipeline communicating with a natural water body:
in sunny days, the first switch or the first water pump 40 is closed, the second switch or the second water pump 3 is closed, the third water pump 20 is started, and the storage pool 2 is emptied;
in rainy days, when rainfall begins, the first switch or the first water pump 40 is turned on, the second switch or the second water pump 3 is kept off, the third water pump 20 is turned off, and the accumulated water in the pipeline and the initial rainwater flow into or are pumped into the storage pool 2 by gravity;
and (3) the rainfall continues, the first switch or the first water pump 40 is closed, the second switch or the second water pump 3 is opened, the middle and later stage rainwater flows or is pumped into the natural water body by gravity, the third water pump 20 is opened, and the water in the storage pool 2 is pumped into a sewage pipe or a sewage treatment plant or a sewage treatment facility.
The water entering the storage pool 2 is ensured to be dirty, and the water entering the natural water body is cleaner, so that the dirty water is prevented from entering the river and polluting the environment.
The system comprises a control system, the control system comprises a rain gauge, a liquid level meter and a controller which is respectively in signal connection with the rain gauge and the liquid level meter, the rain gauge is used for detecting a rain value Q, the liquid level meter is used for detecting a liquid level value H in a storage pool 2,
setting a rainfall threshold Q0, a highest liquid level threshold H0 and a lowest liquid level threshold H1 in the controller, judging whether the weather is sunny or rainy, wherein when Q is less than Q0, the weather is sunny, and when Q is more than or equal to Q0, the weather is rainy,
on sunny days, when Q is less than Q0 and H is less than H1, the controller controls the first switch piece 4 or the first water pump 40 to be closed, and the second switch piece 30 or the second water pump 3 to be closed;
when Q is less than Q0 and H1 is less than or equal to H0, the controller controls the first switch 4 or the first water pump 40 to be closed, the second switch 30 or the second water pump 3 to be closed, and the third water pump 20 to act to drain the storage pool 2;
in rainy days, when Q is more than or equal to Q0 and H is less than H1, the controller controls the first switch 4 or the first water pump 40 to be switched on, the second switch 30 or the second water pump 3 to be switched off, and the third water pump 20 to be switched off;
when Q is more than or equal to Q0 and H is more than or equal to H0, the controller controls the first switch piece 4 or the first water pump 40 to be closed, the second switch piece 30 or the second water pump 3 to be opened, and the third water pump 20 to be opened.
Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are within the scope of the present invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims (8)

1. The utility model provides a treatment system with pipeline of natural water body intercommunication for administer the pipeline that has certain ponding, pipeline and natural water body intercommunication, its characterized in that includes:
the storage pool is communicated with the pipeline and is used for collecting sewage after the accumulated water in the pipeline and initial rainwater are mixed;
the first switch or the first water pump is arranged between the storage pool and the pipeline and used for switching on or off the storage pool and the pipeline, and sewage flows into the storage pool through pump drainage or gravity after accumulated water in the pipeline and initial rainwater are mixed;
the second switch piece or the second water pump is arranged between the pipeline and the natural water body and used for switching on or off the pipeline and the natural water body, and the rainwater in the middle and later periods in the pipeline flows into the natural water body through a pump row or gravity;
and the first water pump is arranged in the storage tank and used for pumping and discharging the sewage in the storage tank to a sewage pipe or a sewage treatment plant or a sewage treatment facility.
2. The system of claim 1 for remediation of a pipeline in communication with a body of natural water, wherein: the water storage device is characterized by further comprising a flow dividing device, wherein the flow dividing device is provided with at least one water inlet, a first water outlet and a second water outlet, the water inlet is communicated with the water outlet end of the pipeline, the first water outlet is communicated with the storage pool, the second water outlet can be communicated with the natural water body, the first switch piece is arranged on the first water outlet or a pipeline where the first water outlet is communicated with the storage pool, and the second switch piece is arranged on the second water outlet or a pipeline where the second water outlet is communicated with the natural water body.
3. The system of claim 2 for remediation of a pipeline in communication with a body of natural water, wherein: the flow dividing device is a flow dividing well, an intercepting well or a flow abandoning well.
4. The system of claim 1 for remediation of a pipeline in communication with a body of natural water, wherein: the volume of the storage pool is V, the water amount stored in the pipeline on a sunny day is V1, the initial rainfall conveyed by the pipeline is V2, wherein V is more than or equal to V1+ V2;
and/or an intelligent ejector is arranged in the storage pool and used for flushing the storage pool by aeration.
5. The system of claim 1 for remediation of a pipeline in communication with a body of natural water, wherein: the pipelines are connected with the storage pool, and the first switch piece or the first water pump is arranged between each branch pipeline and the storage pool.
6. The system of claim 5 for remediation of a pipeline in communication with a body of natural water, wherein: the volume of the storage pool is V, the sum of the water amounts stored in all the pipelines on a sunny day is V3, the sum of the initial rainfall amount conveyed by all the pipelines is V4, wherein V is more than or equal to V3+ V4.
7. The system of claim 1 for remediation of a pipeline in communication with a body of natural water, wherein: the system also comprises a control system, the control system comprises a rain gauge, a liquid level meter and a controller, the rain gauge, the liquid level meter, the first switch piece or the first water pump, the second switch piece or the second water pump and the third water pump are respectively in signal connection with the controller, wherein,
the rain gauge is used for monitoring rainfall;
the liquid level meter is used for monitoring the liquid level height in the storage tank;
the controller is used for controlling the first switch piece or the first water pump to act according to the rainfall and/or the liquid level height, conducting or stopping the pipeline and the storage pool, controlling the second switch piece or the second water pump to act, conducting or stopping the pipeline and the natural water body, controlling the third water pump to act, and emptying the storage pool.
8. The system of claim 1 for remediation of a pipeline in communication with a body of natural water, wherein: the tail end of the pipeline is provided with a pump chamber, the pipeline is communicated with the pump chamber, and the first water pump and the second water pump are arranged in the pump chamber;
or the first water pump is arranged in the pump chamber, the pump chamber is communicated with the natural water body, and the second switch piece is arranged on a pipeline for communicating the pump chamber with the natural water body;
or the second water pump is arranged in the pump chamber, the pump chamber is communicated with the storage pool, and the first switch piece is arranged on a pipeline for communicating the pump chamber with the storage pool.
CN201821910126.2U 2018-07-27 2018-11-20 Treatment system of pipeline communicated with natural water body Active CN210032029U (en)

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CN2018108479667 2018-07-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647578A (en) * 2020-12-18 2021-04-13 中建水务环保有限公司 Rain sewage interception construction process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111424778A (en) * 2020-03-23 2020-07-17 武汉圣禹排水系统有限公司 Sewage regulation and storage method based on vacuum water inflow and electronic equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112647578A (en) * 2020-12-18 2021-04-13 中建水务环保有限公司 Rain sewage interception construction process

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Address after: No. 509 Weihu Road, Shamao Street, Hannan District, Wuhan City, Hubei Province, 430090

Patentee after: Wuhan Shengyu Smart Ecological Environmental Protection Co.,Ltd.

Address before: 430056 3rd floor, workshop 1, No. 189, North Qianli Road, Wuhan Economic and Technological Development Zone, Hubei Province

Patentee before: WUHAN SHENGYU DRAINAGE SYSTEM Co.,Ltd.

CP03 Change of name, title or address