CN110820906A - Intercepting well - Google Patents
Intercepting well Download PDFInfo
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- CN110820906A CN110820906A CN201911140674.0A CN201911140674A CN110820906A CN 110820906 A CN110820906 A CN 110820906A CN 201911140674 A CN201911140674 A CN 201911140674A CN 110820906 A CN110820906 A CN 110820906A
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- liquid level
- well
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- drainage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/041—Accessories therefor
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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
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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
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
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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
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
- E03F7/04—Valves for preventing return flow
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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)
- Control Of Non-Electrical Variables (AREA)
Abstract
The invention discloses an intercepting well, wherein a retaining wall is arranged inside the intercepting well, the retaining wall divides the intercepting well into an inner side well and an outer side well, a water inlet pipe and an intercepting pipe are arranged on the wall of the inner logging well, and a water outlet pipe is arranged on the wall of the outer side well; the barricade is provided with overflow hole and sluicing hole, the position in overflow hole is higher than the position in sluicing hole, the overflow hole closes on the top of barricade. By the invention, the overflow liquid level of the intercepting well can be effectively raised, and the pipe network can be used as a storage measure, so that overflow is effectively avoided or reduced to reduce the pollution of the foreign river.
Description
Technical Field
The invention relates to the technical field of drainage pipe networks, in particular to an intercepting well.
Background
In a drainage pipe network system, the intercepting well can be used for intercepting drought sewage and partial initial rainwater. With the development of society, the water environment problem is increasingly prominent, and the vatch basin has the intercepting volume uncontrollable, the overflow pollution control effect is poor, influence flood-running section, do not have the problem of preventing flowing backwards. For example, the intercepting well is often coupled with a storage tank for water environment pollution control and waterlogging prevention, and when equipment failure or continuous rainfall in the storage tank causes insufficient storage capacity and the like, the intercepted sewage does not go in short time and finally overflows to natural water to pollute the environment; for another example, when the discharge port is submerged for outflow and the liquid level difference between the inside of the intercepting well and the normal water level of the external river is large, the intercepting well cannot meet the requirement of the liquid level difference, and the problem of reverse flow of river water may occur.
Aiming at the problems of uncontrollable intercepting flow, overflow pollution, backflow occurrence, no influence on flood-running section when the difference between internal and external liquid levels is large and the like of the existing intercepting well, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides an intercepting well, which at least solves the problem of overflow pollution of the intercepting well in the prior art.
In order to solve the technical problem, the invention provides the intercepting well, wherein a retaining wall is arranged inside the intercepting well, the retaining wall divides the intercepting well into an inner well and an outer well, a water inlet pipe and an intercepting pipe are arranged on the wall of the inner well, and a water outlet pipe is arranged on the wall of the outer well; the barricade is provided with overflow hole and sluicing hole, the position in overflow hole is higher than the position in sluicing hole, the overflow hole closes on the top of barricade.
Optionally, the overflow hole is provided with an overflow regulating device, and the overflow regulating device is used for raising the overflow liquid level or plugging the overflow hole.
Optionally, the overflow regulating device is a floating adjustable weir disposed at the effluent side of the overflow aperture; when the water level of the outer well is lower than the floating type adjustable weir, the floating type adjustable weir is in the maximum opening position; when the water level of the outer well reaches the floating type adjustable weir, the floating type adjustable weir raises the overflow liquid level under the action of buoyancy; when the overflow hole is submerged by the water level of the outer well, the floating adjustable weir blocks the overflow hole under the action of buoyancy.
Optionally, the drainage hole is provided with a drainage regulating device, and the drainage regulating device is used for draining flood or blocking the drainage hole.
Optionally, the drainage regulating and controlling device is specifically configured to plug the drainage hole if the first liquid level data does not reach a preset highest water blocking level; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, flood drainage is carried out; and if the second liquid level data is higher than the first liquid level data, the drainage hole is blocked.
Optionally, the inner well is provided with a first liquid level gauge and the outer well is provided with a second liquid level gauge; the first liquid level meter is used for detecting the first liquid level data, and the second liquid level meter is used for detecting the second liquid level data.
Optionally, the intercepting well is further provided with a control device, and first communication connections are respectively established between the control device and the first liquid level meter and between the control device and the second liquid level meter; a second communication connection is established between the control device and the water discharge regulation and control device;
the control device is used for acquiring the first liquid level data and the second liquid level data through the first communication connection, and if the first liquid level data does not reach the preset highest water blocking level, no control information is generated, so that the water drainage regulating and controlling device blocks the water drainage hole; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, generating first control information, and sending the first control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to be opened for flood drainage; and if the second liquid level data is higher than the first liquid level data, generating second control information, and sending the second control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to plug the water drainage hole.
Optionally, the intercepting well is further provided with a rain gauge; a third communication connection is established between the controller and the rain gauge; the rain gauge is used for detecting rainfall data; the controller is used for acquiring the rainfall data through the third communication connection, generating third control information according to the rainfall data in the flood discharge process, and sending the third control information to the drainage control device through the second communication connection so as to open or close the drainage control device.
Optionally, the shutoff pipe is provided with a flow regulating gate for controlling the shutoff amount.
Optionally, a fourth communication connection is established between the controller and the current regulating brake; the controller is further configured to generate fourth control information according to the first liquid level data, and send the fourth control information to the flow regulating gate through the fourth communication connection, so as to control the opening degree of the flow regulating gate and control the flow shutoff amount.
By applying the technical scheme of the invention, the retaining wall is arranged in the intercepting well, and the overflow hole close to the top end of the retaining wall is used, so that the overflow liquid level of the intercepting well can be effectively raised, and the pipe network can be used as a storage measure, thereby effectively avoiding or reducing overflow to reduce the pollution of the river.
Drawings
Fig. 1 is a front view of an intelligent intercepting well according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view taken along line B-B of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments, it being understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
As shown in fig. 1 to 3, an embodiment of the present invention provides an intelligent intercepting well, wherein a retaining wall 4 made of concrete is disposed inside the intercepting well, the retaining wall 4 replaces a conventional intercepting well fixing weir, the height of the fixing weir is the same as the preset overflow height in the conventional intercepting well, the height of the retaining wall 4 in the embodiment of the present invention may be set to be the same as the height of the peripheral side wall of the intercepting well, and the entire intercepting well is divided into an inner side well and an outer side well by the retaining wall 4. The water inlet pipe 1 and the intercepting pipe 2 are arranged on the wall of the inner side well, and the water outlet pipe 3 is arranged on the wall of the outer side well.
According to the embodiment of the invention, the retaining wall is arranged in the intercepting well, and the overflow hole close to the top end of the retaining wall is used, so that the overflow liquid level of the intercepting well can be effectively raised, the pipe network can be used as a storage measure, and the overflow is effectively avoided or reduced so as to reduce the pollution of the foreign river.
In some embodiments, a flow regulating brake is arranged on the inner side wall in front of the intercepting pipe 2, the flow regulating brake can be an electronic control flow regulating brake 5, and the flow regulating brake is used for controlling the intercepting amount and can realize the intercepting amount control according to the liquid level in the inner side of the intercepting well. The higher the liquid level at the inner side is, the smaller the opening degree of the flow regulating brake is, so that the flow stopping amount is kept constant by keeping the flow stopping amount at a preset flow.
In some embodiments, an overflow hole 6 is reserved on the retaining wall 4, and the overflow hole 6 is close to the top of the retaining wall 4. Wherein, overflow hole 6 is close to the top of barricade 4 because the overflow hole sets up on barricade upper portion to through raising the overflow liquid level, thereby reduce the overflow frequency, and then regard the pipe network as storage measure as far as possible, avoid or few overflow in order to reduce the river pollution as far as possible. For example, the distance between the inner top of the opening and the inner bottom of the opening and the inner top of the opening of the bottom hydraulic control weir plate type adjustable weir needs to be not less than 1000mm compared with the ground level.
Optionally, the overflow hole sets up the flood level position that corresponds at the flood control standard to can make when the regulation pond of coupling is full or the sewage that dams does not have the department, utilize vatch basin and upstream pipe network surplus space regulation and storage, the time of overflow appears in the extension, thereby reduce the overflow frequency, and then reduce overflow pollution. When the difference between the flood level at the discharge port and the elevation of the discharge port is not large, the elevation of the bottom of the overflow hole can be higher than the flood level, and the backflow can be prevented without arranging a floating adjustable weir at the moment. On the contrary, a floating adjustable weir can be arranged to prevent backflow.
Wherein, 6 play water sides in overflow hole can set up overflow regulation and control device, and overflow regulation and control device is used for raising the overflow liquid level to reduce the overflow frequency, and can be totally with overflow hole shutoff, in order to prevent that river water from flowing backward.
Optionally, the overflow regulating and controlling device selects a floating adjustable weir 8, the floating adjustable weir 8 is arranged at the water outlet side of the overflow hole, and when the water level of the outer well is lower than the floating adjustable weir, the floating adjustable weir 8 is at the maximum opening position; when the water level of the outer well is higher than the floating type adjustable weir, the floating type adjustable weir 8 raises the overflow liquid level under the action of buoyancy; when the overflow hole is submerged by the water level of the outer well, the floating adjustable weir blocks the overflow hole under the action of buoyancy. That is, it is fully open during periods of non-rainfall or early periods of rainfall (the water level in the outside well is below the floating adjustable weir). When the liquid level inside exceeds the overflow hole, the water can be drained through the overflow of the opened floating adjustable weir. Meanwhile, the floating adjustable weir is arranged on the upper part of the retaining wall, and when the water level of the lateral well reaches the floating adjustable weir, the overflow liquid level can be raised through buoyancy, so that the overflow frequency is reduced. When the water level of the external river rises, and the liquid level at the outer side rises, the floating adjustable weir can rise along with the rise of the external liquid level and is gradually closed, so that the safety of the inner side of the intercepting well is ensured, and the river water is prevented from flowing backwards.
In some embodiments, the overflow hole water inlet side can be optionally equipped with a manual/self-cleaning horizontal grid. The grating is used for intercepting suspended matters and/or floating objects, so that the suspended matters and the floating objects in the water can be intercepted, and the suspended matters and the floating objects are prevented from entering the receiving water body.
In some embodiments, a drain hole 7 is reserved on one side of the retaining wall 4 close to the bottom, and the position of the overflow hole is higher than that of the drain hole. And a water drainage regulating device is arranged on the water drainage hole 7 and is used for flood discharge or plugging the water drainage hole. Optionally, the bleed water regulation means is selected as a hydraulically operated rotating weir gate 9.
Optionally, the drainage regulating and controlling device is specifically configured to plug the drainage hole if the first liquid level data does not reach a preset highest water blocking level; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, flood drainage is carried out; and if the second liquid level data is higher than the first liquid level data, the drainage hole is blocked. Thereby not only ensuring flood discharge, but also preventing river water from flowing backwards and ensuring the safe operation of the inner side of the intercepting well.
That is to say, when inboard liquid level continuously risees, the overflow opening can't satisfy the flood discharge requirement, and rotatory weir door 9 that surges can all open guarantees the flood discharge section, and inboard accessible discharge opening is drainage at once. When the water level of the external river continuously rises, the liquid level of the external side continuously rises, and when the liquid level of the external side is higher than the liquid level of the internal side, the hydraulic rotary weir gate is in a closed state at the moment, the operation safety of the inner side of the intercepting well is ensured, and the river water is prevented from flowing backwards.
In some embodiments, the vatch well is equipped with liquid level meters (10, 12), rain gauges 11, and the like. The liquid level meters consist of a first liquid level meter 10 for measuring first liquid level data and a second liquid level meter 12 for measuring second liquid level data. Optionally, the electronic control damper adjusts the opening degree according to the first liquid level data fed back by the first liquid level meter 10, and the hydraulic rotary weir gate opens and closes according to the second liquid level data fed back by the second liquid level meter 12 and/or according to the rainfall data fed back by the rain gauge 11.
Optionally, in the early stage of fine days or rainfall, when dry-run sewage or initial rainwater is discharged, the floating adjustable weir is completely opened, the hydraulic rotary weir gate is closed, and sewage flows from the water inlet pipe to the intercepting pipe, then enters the sewage intercepting pipe network or the storage tank, and finally enters the sewage treatment plant.
When raining continuously, the flow of the water inlet pipe is increased, the liquid level in the intercepting well rises, when the liquid level rises to the lowest point of the overflow hole, the water on the inner side overflows to the outer side through the opened floating type adjustable weir, and then the water flows through the water discharge pipe and finally drains into the river.
When rainfall intensity lasts the increase, the vatch basin liquid level rises rapidly, when inboard liquid level surpassed and set for the highest water level that blocks, the rotatory weir gate that surges will open, inboard water carries out the flood through rotatory weir gate and the outlet of surging, and floating adjustable weir utilizes self gravity and buoyancy to adjust by oneself according to inside and outside liquid level, and outside water is the river drainage through the drain pipe all the time.
When the measured liquid level reaches the bottom of the overflow hole, the floating type adjustable weir rises along with the rise of the liquid level at the outer side, so that the safety of the inner side of the intercepting well is ensured; when the rainfall is over, the liquid level in the intercepting well is reduced, and when the liquid level in the intercepting well is reduced to a set value, the hydraulic rotary weir gate is closed.
When the intercepted sewage is short-term and has no direction due to the conditions of equipment failure in the storage tank or insufficient storage capacity caused by continuous rainfall and the like, the liquid level in the intercepting well rises, when the liquid level rises to the lowest point of the overflow hole, the overflow liquid level is raised, and the pipe network is used as a short-term storage measure and does not overflow as much as possible; if the liquid level in the inner side continuously rises, the water in the inner side overflows to the outer side through the opened floating type adjustable weir, then passes through the drain pipe and finally drains into the river, the overflow amount and the overflow frequency are reduced, and the pollution of the outer river is reduced.
In some embodiments, the intercepting well is further provided with a control device, and the control device is respectively provided with a first communication connection with the first liquid level meter and the second liquid level meter; a second communication connection is established between the control device and the water discharge regulation and control device;
the control device is used for acquiring the first liquid level data and the second liquid level data through the first communication connection, and if the first liquid level data does not reach the preset highest water blocking level, no control information is generated, so that the water drainage regulating and controlling device blocks the water drainage hole; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, generating first control information, and sending the first control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to be opened for flood drainage; and if the second liquid level data is higher than the first liquid level data, generating second control information, and sending the second control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to plug the water drainage hole. Therefore, interception control of the intercepting well is more intelligent and reliable, the intelligent degree is high, each intercepting well becomes an intelligent terminal, and system operation, remote control and row-row joint debugging can be realized. Wherein the control device may be disposed in a control cabinet external to the vatch well. The control device may be a controller, which may include a memory and a processor; the memory may store the first level data, the second level data, and the rainfall data described below, and the controller may perform the above-described operations of generating and transmitting control information.
Optionally, the intercepting well is further provided with a rain gauge; a third communication connection is established between the controller and the rain gauge; the rain gauge is used for detecting rainfall data; the controller is used for acquiring the rainfall data through the third communication connection, generating third control information according to the rainfall data in the flood discharging process, and sending the third control information to the water drainage regulating and controlling device through the second communication connection so as to regulate the opening degree of the water drainage regulating and controlling device, so that the flood discharging section can be intelligently regulated, and the safety of the inner part of the intercepting well is further ensured.
Optionally, a third communication connection is established between the controller and the flow regulating brake; the controller is further configured to generate second control information according to the first liquid level data, and send the second control information to the flow regulating gate through the third communication connection, so as to control the opening degree of the flow regulating gate, so that the flow regulating gate controls the flow intercepting amount. In the process, the electric control flow regulating gate is always opened, the higher the liquid level at the inner side is, the smaller the opening degree of the electric control flow regulating gate is, so that the intercepting flow is kept constant and controllable, the intercepting flow does not change along with the water quantity in the well, and the set value is adjustable.
In some embodiments, when the elevation of the sewage pipeline is higher after the catch basin, a submersible sewage pump can be installed in the catch basin to assist the sewage lifting pump station in draining; when the intensity of rainstorm is great, and the higher unable gravity of river course water level discharges, can make up with the pump station, supplementary rainwater promotes the pump station drainage.
The floating adjustable weir and the hydraulic rotary weir gate have good sealing performance, and can directly discharge sewage and prevent external water from flowing backwards; the flood-running section is not shielded. The communication connections may be wired or wireless connections, and are usually wired connections. The control information may be a control signal.
According to the intercepting well provided by the embodiment of the invention, by adding the intelligent regulation and control equipment, the intercepting flow is controllable, the overflow pollution is controlled, the backflow is prevented, the requirement of large difference between the internal liquid level and the external liquid level can be met, and the flood-running section is not influenced.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described with reference to the embodiments illustrated in the drawings, the present invention is not limited to the embodiments, which are illustrative rather than restrictive, and it will be apparent to those skilled in the art that many more modifications and variations can be made without departing from the spirit of the invention and the scope of the appended claims.
Claims (10)
1. The intercepting well is characterized in that a retaining wall is arranged inside the intercepting well, the retaining wall divides the intercepting well into an inner side well and an outer side well, a water inlet pipe and an intercepting pipe are arranged on the wall of the inner logging well, and a water outlet pipe is arranged on the wall of the outer side well; the barricade is provided with overflow hole and sluicing hole, the position in overflow hole is higher than the position in sluicing hole, the overflow hole closes on the top of barricade.
2. The vatch basin according to claim 1, wherein the overflow aperture is provided with overflow regulating means for raising the overflow level or for plugging the overflow aperture.
3. The vatch shaft of claim 2, wherein said overflow regulating device is a floating adjustable weir disposed on an effluent side of said overflow aperture; when the water level of the outer well is lower than the floating type adjustable weir, the floating type adjustable weir is in the maximum opening position; when the water level of the outer well reaches the floating type adjustable weir, the floating type adjustable weir raises the overflow liquid level under the action of buoyancy; when the overflow hole is submerged by the water level of the outer well, the floating adjustable weir blocks the overflow hole under the action of buoyancy.
4. The vatch basin according to any of the claims 1-3, wherein the drainage opening is provided with drainage regulating means for flooding or plugging the drainage opening.
5. The intercepting well according to claim 4, wherein the drainage regulating device is specifically configured to block the drainage hole if the first liquid level data does not reach a preset highest water interception level; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, flood drainage is carried out; and if the second liquid level data is higher than the first liquid level data, the drainage hole is blocked.
6. The vatch shaft of claim 5, wherein the inner log is provided with a first liquid level gauge and the outer well is provided with a second liquid level gauge; the first liquid level meter is used for detecting the first liquid level data, and the second liquid level meter is used for detecting the second liquid level data.
7. The vatch shaft as claimed in claim 6, wherein the vatch shaft is further provided with a control device, wherein a first communication connection is established between the control device and each of the first level gauge and the second level gauge; a second communication connection is established between the control device and the water discharge regulation and control device;
the control device is used for acquiring the first liquid level data and the second liquid level data through the first communication connection, and if the first liquid level data does not reach the preset highest water blocking level, no control information is generated, so that the water drainage regulating and controlling device blocks the water drainage hole; if the current first liquid level data of the inner side well reaches the highest impounding water level and the current second liquid level data of the outer side well does not reach the first liquid level data, generating first control information, and sending the first control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to be opened for flood drainage; and if the second liquid level data is higher than the first liquid level data, generating second control information, and sending the second control information to the water drainage regulation and control device through the second communication connection so as to control the water drainage regulation and control device to plug the water drainage hole.
8. The vatch shaft of claim 7, wherein the vatch shaft is further provided with a rain gauge; a third communication connection is established between the controller and the rain gauge; the rain gauge is used for detecting rainfall data; the controller is used for acquiring the rainfall data through the third communication connection, generating third control information according to the rainfall data in the flood discharge process, and sending the third control information to the drainage control device through the second communication connection so as to open or close the drainage control device.
9. The intercepting well according to claim 7, wherein the intercepting pipe is provided with a flow regulating gate for controlling an intercepting amount.
10. The vatch shaft of claim 9, wherein a fourth communication connection is established between the controller and the damper; the controller is further configured to generate fourth control information according to the first liquid level data, and send the fourth control information to the flow regulating gate through the fourth communication connection, so as to control the opening degree of the flow regulating gate and control the flow shutoff amount.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140674.0A CN110820906A (en) | 2019-11-20 | 2019-11-20 | Intercepting well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911140674.0A CN110820906A (en) | 2019-11-20 | 2019-11-20 | Intercepting well |
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| CN110820906A true CN110820906A (en) | 2020-02-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112392117A (en) * | 2020-11-26 | 2021-02-23 | 湖南清源华建环境科技有限公司 | Integrated intercepting well |
| CN112482124A (en) * | 2020-10-10 | 2021-03-12 | 上海市政交通设计研究院有限公司 | Road runoff collecting and processing system crossing water source protection area |
| CN113898060A (en) * | 2021-12-09 | 2022-01-07 | 北京清源华建环境科技有限公司 | Regulation pond of function sprayer is washed to rain sewage deposit thing is equipped with |
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Application publication date: 20200221 |