CN117306660A - A control device for self-flow box culvert water diversion - Google Patents
A control device for self-flow box culvert water diversion Download PDFInfo
- Publication number
- CN117306660A CN117306660A CN202311538651.1A CN202311538651A CN117306660A CN 117306660 A CN117306660 A CN 117306660A CN 202311538651 A CN202311538651 A CN 202311538651A CN 117306660 A CN117306660 A CN 117306660A
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- Prior art keywords
- box culvert
- culvert
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- old
- built
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- 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
- E03F5/107—Active flow control devices, i.e. moving during flow regulation
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
本发明公开了一种自流式箱涵引水的控制装置，包括老箱涵和新建箱涵，所述新建箱涵分别与老箱涵和调节水池连接，还包括设于新建箱涵与老箱涵连接处的挡水板，所述挡水板活动安装于固定框架内且通过伸缩单元控制移动，通过调节水池内反馈的液位信息，控制挡水板进出老箱涵内改变进入新建箱涵的来水量；本发明中，在不对老箱涵结构进行改造的情况下，通过调节水质液位信息及便捷式的调节系统对箱涵进水进行动态调节，可保证进水量保持稳定。
The invention discloses a control device for water diversion of a self-flow box culvert, which includes an old box culvert and a new box culvert. The new box culvert is connected to the old box culvert and a regulating pool respectively, and also includes a device located between the new box culvert and the old box culvert. The water retaining plate at the connection is movable and installed in the fixed frame and controlled by the telescopic unit. By adjusting the liquid level information fed back in the pool, the water retaining plate is controlled to enter and exit the old box culvert and change into the new box culvert. Incoming water volume; In the present invention, without modifying the old box culvert structure, dynamically adjusting the water inlet to the box culvert by adjusting water quality and liquid level information and a convenient adjustment system can ensure that the incoming water volume remains stable.
Description
Technical Field
The invention relates to the technical field of water flow control, in particular to a control device for diversion of a self-flowing box culvert.
Background
At present, a plurality of domestic large-scale urban drainage systems are formed in different ages in the last century, the population quantity is rapidly increased along with the development progress of cities, the water supply and drainage quantity is synchronously increased, and the situations of insufficient treatment capacity of facilities such as water supply plants and sewage treatment plants built in the past are caused, so that the factory stations need to be expanded or newly built. The new building station needs to introduce the water on the original pipe network system of the city, and the main current water diversion method is that a lift pump pumps and self-flow type.
The lifting pump is added to ensure fixed water supply, but the engineering cost is high, and later-period timing operation and maintenance are needed, so that the operation is complex. The gravity flow type water diversion investment is small, the operation and management are convenient, but a certain liquid level difference is needed for the new and old box culverts to ensure the water inflow. The liquid level difference is large, so that sufficient water supply can be ensured, but the risk of station inundation exists under abnormal conditions; because of the limitations of the terrain structure and the like, the gravity flow type water diversion liquid level difference is smaller, the basic operation requirement of the station can be met in the water-rich period, but insufficient water can be caused in the dry period.
Disclosure of Invention
The invention mainly aims at providing a self-flowing box culvert water diversion control device which aims at solving the existing technical problems.
In order to achieve the above purpose, the invention provides a control device for diversion of a self-flowing box culvert, which comprises an old box culvert and a newly-built box culvert, wherein the newly-built box culvert is respectively connected with the old box culvert and an adjusting water tank, the control device also comprises a water baffle plate arranged at the joint of the newly-built box culvert and the old box culvert, the water baffle plate is movably arranged in a fixed frame and controlled to move through a telescopic unit, and the water level information fed back in the adjusting water tank is used for controlling the water baffle plate to enter and exit the old box culvert to change the water entering the newly-built box culvert.
Further, be equipped with silt trigger device in the newly-built box culvert for whether there is silt to block up in the detection newly-built box culvert, silt trigger device both sides are equipped with washing unit, are used for washing the pipeline that blocks up.
Further, the silt triggering device comprises an impeller arranged along the water flow direction, the impeller is mounted on the support, and a rotating speed sensor is mounted on the impeller and used for sending out an alarm signal when the rotating speed of the impeller is reduced to a set value.
Further, the flushing device comprises a flushing gun head arranged in the newly-built box culvert, wherein the flushing gun head is arranged along the inner wall of the newly-built box culvert in an annular equidistant inclined manner, and the flushing gun head is arranged on the angle adjusting mechanism and used for sending flushing water flows to different sludge blocking positions in the newly-built box culvert.
Further, be equipped with the diagonal brace on the breakwater, diagonal brace one end rotates with the breakwater to be connected, and the other end passes through beta structure and is connected with the breakwater, the diagonal brace follows the breakwater and business turn over self-adaptation shrink and exhibition stretch in old box culvert, the spacing groove with diagonal brace tip butt has been seted up to old box culvert inner wall, wherein, newly-built box culvert and old box culvert's junction be equipped with the roller bearing of diagonal brace butt.
Further, a throttle valve is arranged in the old box culvert, when the liquid level in the adjusting water tank is lower than a set value, before the water baffle plate is controlled to extend into the old box culvert, the throttle valve is closed, the flow velocity in the old box culvert is reduced, and after the water baffle plate extends into the old box culvert, the throttle valve is opened.
Further, be equipped with the branch culvert on the newly-built box culvert, branch culvert one end and regulation pond water inlet intercommunication, the other end and old box culvert intercommunication, regulation pond water inlet is equipped with control valve for close the regulation pond and will contain the rivers of silt and lead back to old box culvert and discharge when newly-built box culvert desilting.
Further, be equipped with the filter screen in the newly-built box culvert, the culvert mouth department of branch culvert is located to the filter screen, just insert on the filter screen and be equipped with rotatable installation axle, be equipped with the clearance mouth that is located filter screen department on the newly-built box culvert, the filter screen can be in newly-built box culvert and branch culvert conversion position.
Further, the fixed frame is reinforced and supported through the inclined stay bars, and anti-slip blocks are arranged at the bottoms of the inclined stay bars.
The beneficial effects of the invention are as follows:
according to the invention, under the condition that the old box culvert structure is not modified, the water inflow of the box culvert is dynamically regulated by regulating the water quality and liquid level information and the portable regulating system, so that the water inflow can be ensured to be kept stable.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a water deflector connection structure according to the present invention;
FIG. 3 is a schematic view of the diagonal brace of the present invention;
FIG. 4 is a schematic view of the structure of the silt trigger apparatus of the present invention.
Reference numerals illustrate:
1. old box culvert; 2. newly-built box culvert; 3. adjusting a pool; 4. a water baffle; 41. a diagonal bracing frame; 42. a folding structure; 5. a fixed frame; 6. a telescoping unit; 7. a silt triggering device; 71. an impeller; 72. a bracket; 73. a rotation speed sensor; 8. a flushing device; 9. a throttle valve; 10. branching culvert; 11. a control valve; 12. a filter screen; 13. a mounting shaft; 14. and (5) an inclined strut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention provides a control device for diversion of a self-flowing box culvert, which comprises an old box culvert 1 and a newly-built box culvert 2, wherein the newly-built box culvert 2 is respectively connected with the old box culvert 1 and an adjusting water tank 3, the control device also comprises a water baffle 4 arranged at the joint of the newly-built box culvert 2 and the old box culvert 1, the water baffle 4 is movably arranged in a fixed frame 5 and controlled to move through a telescopic unit 6, and the water level information fed back in the adjusting water tank 3 is used for controlling the water baffle 4 to enter and exit the old box culvert 1 so as to change the water inflow entering the newly-built box culvert 2.
According to the embodiment, under the condition that an old box culvert structure is not modified, the water inflow of the box culvert is dynamically regulated by regulating water quality and liquid level information and a portable regulating system, so that the water inflow can be kept stable; the invention is provided with a dynamic regulating system which is a full-intelligent system and can set water inflow according to own requirements; under dynamic adjustment, the water supply is ensured, and meanwhile, when the water quantity is not needed, the water supply is reduced, so that the station is prevented from being submerged due to abnormal accidents.
Specifically, the telescopic unit 6 may be configured by an air cylinder or an electric telescopic rod.
In an embodiment, referring to fig. 1, a sludge triggering device 7 is disposed in the newly-built box culvert 2 and is used for detecting whether the newly-built box culvert 2 is blocked by sludge, and flushing devices 8 are disposed on two sides of the sludge triggering device 7 and are used for flushing the blocked pipeline.
The setting like this of this embodiment is according to silting thickness and is washed the box culvert voluntarily, is favorable to slowing down the water hindrance of box culvert, increases the water passing ability. The automatic cleaning device is more beneficial to diversion of the box culvert, provides an automatic cleaning device for dredging the box culvert, is beneficial to reducing the manual dredging frequency and reduces the operation risk in a limited space.
In an embodiment, referring to fig. 1 and 4, the sludge triggering device 7 includes an impeller 71 disposed along a water flow direction, the impeller 71 is mounted on a bracket 72, and a rotation speed sensor 73 is mounted on the impeller 71 for sending an alarm signal when the rotation speed of the impeller 71 is reduced to a set value.
The embodiment is so arranged that when sludge in the newly-built box culvert 2 is accumulated to a certain extent, and the impeller 71 cannot rotate, a feedback signal drives the flushing device 8 to flush the impeller 71, so that accumulated sludge is removed, and the pipeline is kept smooth.
In an embodiment, the flushing device 8 comprises a flushing gun head arranged in the newly-built box culvert 2, wherein the flushing gun head is obliquely arranged along the inner wall of the newly-built box culvert 2 at equal intervals in a ring shape, and the flushing gun head is arranged on the angle adjusting mechanism and is used for sending flushing water flows to different sludge blocking positions in the newly-built box culvert 2.
The setting like this of this embodiment, can wash the position of jam through the rifle head that washes that sets up in silt trigger device 7 both sides, the mediation is by the position of silt jam, guarantees the unblocked of pipeline, and through angle adjustment mechanism's setting, can adjust the angle of washing rifle head, improves the scope of washing and the precision of washing.
Specifically, the angle adjusting mechanism comprises an adjusting block connected with the flushing gun head, and the adjusting block is controlled to rotate by a motor.
In an embodiment, referring to fig. 1, a diagonal brace 41 is disposed on a water baffle 4, one end of the diagonal brace 41 is rotatably connected with the water baffle 4, the other end of the diagonal brace 41 is connected with the water baffle 4 through a folding structure 42, the diagonal brace 41 follows the water baffle 4 to enter and exit in the old box culvert 1 in a self-adaptive shrinkage and expansion manner, a limit groove abutting against the end of the diagonal brace 41 is formed in the inner wall of the old box culvert 1, and a roller 43 abutting against the diagonal brace 41 is disposed at the joint of the new box culvert 2 and the old box culvert 1.
The setting like this of this embodiment, when breakwater 4 stretches into in the old box culvert 1, beta structure 42 outwards expands along with the extension of breakwater 4, outwards releases the diagonal brace 41, when breakwater 4 tip and the butt of old box culvert 1 inner wall, diagonal brace 41 tip and spacing groove butt provide stable support for breakwater 4, avoid because the old box culvert 1 internal water flow when being changed the flow direction by breakwater 4, produce great impact force and lead to the problem that breakwater 4 damaged, guaranteed the stability of breakwater 4.
Specifically, the folding structure 42 is a folding bracket, and a return spring is disposed thereon.
In an embodiment, referring to fig. 1, a throttle valve 9 is disposed in the old box culvert 1, when the liquid level in the adjusting water tank 3 is lower than a set value, before the water baffle 4 is controlled to extend into the old box culvert 1, the throttle valve 9 is closed, the flow rate in the old box culvert 1 is reduced, and after the water baffle 4 extends into the old box culvert 1, the throttle valve 9 is opened.
This embodiment sets up like this, and when the rivers are great in old box culvert 1, and need adjust the rivers flow direction through breakwater 4, the accessible adjusts the aperture of choke valve 9, reduces the velocity of flow in the old box culvert 1, and then reduces the impact to breakwater 4, guarantees the stability of breakwater 4.
In an embodiment, referring to fig. 1, a branch culvert 10 is disposed on a newly-built culvert 2, one end of the branch culvert 10 is communicated with a water inlet of an adjusting pond 3, the other end of the branch culvert is communicated with an old culvert 1, and a control valve 11 is disposed at the water inlet of the adjusting pond 3 and used for closing the adjusting pond 3 to guide water flow containing sludge back to the old culvert 1 for discharging when the newly-built culvert 2 is dredging.
The setting like this of this embodiment, when rinsing silt jam department through washing unit 8, close control valve 11 for the wash water that contains silt is led in to the old box culvert 1 through branch culvert 10 and is derived, avoids the wash water that contains silt to get into in the regulation pond 3, leads to follow-up deposit and needs frequent clear up problem.
In an embodiment, referring to fig. 1, a filter screen 12 is disposed in a newly-built box culvert 2, the filter screen 12 is disposed at a culvert opening of a branch culvert 10, a rotatable mounting shaft 13 is inserted on the filter screen 12, a cleaning opening disposed at the filter screen 12 is disposed on the newly-built box culvert 2, and the filter screen 12 can be changed in position between the newly-built box culvert 2 and the branch culvert 10.
The setting like this of this embodiment, when carrying out normal rivers regulation through newly-built box culvert 2, filter screen 12 is arranged in newly-built box culvert 2, when carrying out silt washing operation, changes filter screen 12 to in the branch culvert 10, is convenient for filter the rivers of leading into in the branch culvert 10 in step, avoids debris to lead to the problem of follow-up pipeline jam.
In one embodiment, the fixed frame 5 is supported by the diagonal brace 14, and the bottom of the diagonal brace 14 is provided with an anti-skid block.
It should be noted that, in the embodiment of the present invention, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary that the combination of the technical solutions should be regarded as not existing when the combination of the technical solutions contradicts or cannot be realized on the basis of the realization of those skilled in the art.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (9)
1. The utility model provides a self-flow box culvert controlling means who draws water, includes old box culvert (1) and newly-built box culvert (2), newly-built box culvert (2) are connected with old box culvert (1) and regulation pond (3) respectively, its characterized in that still including locating water baffle (4) of newly-built box culvert (2) and old box culvert (1) junction, water baffle (4) movable mounting just moves through flexible unit (6) control in fixed frame (5), through the liquid level information of the internal feedback in regulation pond (3), changes the water supply that gets into newly-built box culvert (2) in control water baffle (4) business turn over old box culvert (1).
2. The control device for diversion of self-flowing box culvert as claimed in claim 1, wherein: the novel box culvert is characterized in that a sludge triggering device (7) is arranged in the novel box culvert (2) and used for detecting whether sludge blockage exists in the novel box culvert (2), and flushing devices (8) are arranged on two sides of the sludge triggering device (7) and used for flushing blocked pipelines.
3. The control device for diversion of self-flowing box culvert as claimed in claim 2, wherein: the silt triggering device (7) comprises an impeller (71) arranged along the water flow direction, the impeller (71) is mounted on a support (72), and a rotating speed sensor (73) is mounted on the impeller (71) and is used for sending an alarm signal when the rotating speed of the impeller (71) is reduced to a set value.
4. The control device for diversion of self-flowing box culvert as claimed in claim 1, wherein: the flushing device (8) comprises a flushing gun head arranged in the newly-built box culvert (2), wherein the flushing gun head is obliquely arranged along the inner wall of the newly-built box culvert (2) at annular equal intervals, and the flushing gun head is arranged on the angle adjusting mechanism and is used for sending flushing water flow to different sludge blocking positions in the newly-built box culvert (2).
5. The control device for diversion of self-flowing box culvert as claimed in claim 1, wherein: be equipped with on breakwater (4) inclined strut (41), inclined strut (41) one end is rotated with breakwater (4) and is connected, and the other end passes through beta structure (42) and breakwater (4) are connected, inclined strut (41) follow breakwater (4) business turn over self-adaptation shrink and exhibition stretch in old box culvert (1), the spacing groove with inclined strut (41) tip butt has been seted up to old box culvert (1) inner wall, wherein, newly-built box culvert (2) are equipped with the roller bearing with inclined strut (41) butt with the junction of old box culvert (1).
6. The control device for diversion of self-flowing box culvert as claimed in claim 1, wherein: be equipped with choke valve (9) in old box culvert (1), when liquid level in regulation pond (3) is less than the setting value, before control breakwater (4) stretch into in old box culvert (1), close choke valve (9), reduce the velocity of flow in old box culvert (1), after breakwater (4) stretch into in old box culvert (1), open choke valve (9).
7. The control device for diversion of self-flowing box culvert as claimed in claim 1, wherein: be equipped with branch culvert (10) on newly-built box culvert (2), branch culvert (10) one end and regulation pond (3) water inlet intercommunication, the other end and old box culvert (1) intercommunication, regulation pond (3) water inlet is equipped with control valve (11) for close regulation pond (3) when newly-built box culvert (2) desilting and lead back the rivers that contain silt to old box culvert (1) in the discharge.
8. The control device for diversion of self-flowing box culvert as claimed in claim 7, wherein: be equipped with filter screen (12) in newly-built box culvert (2), the culvert mouth department of branch culvert (10) is located to filter screen (12), just insert on filter screen (12) and be equipped with rotatable installation axle (13), be equipped with the clearance mouth that is located filter screen (12) department on newly-built box culvert (2), filter screen (12) can change the position in newly-built box culvert (2) and branch culvert (10).
9. The control device for diversion of self-flowing box culvert as claimed in claim 1, wherein: the fixed frame (5) is reinforced and supported through the inclined stay bars (14), and anti-slip blocks are arranged at the bottoms of the inclined stay bars (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311538651.1A CN117306660A (en) | 2023-11-15 | 2023-11-15 | A control device for self-flow box culvert water diversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311538651.1A CN117306660A (en) | 2023-11-15 | 2023-11-15 | A control device for self-flow box culvert water diversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117306660A true CN117306660A (en) | 2023-12-29 |
Family
ID=89288595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311538651.1A Pending CN117306660A (en) | 2023-11-15 | 2023-11-15 | A control device for self-flow box culvert water diversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117306660A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070041790A1 (en) * | 2005-08-10 | 2007-02-22 | Cripps Jeffrey L | Waste water electrical power generating system |
| CN105780906A (en) * | 2016-04-19 | 2016-07-20 | 武汉圣禹排水系统有限公司 | Divisional discarding and intercepting drainage system |
| CN107761902A (en) * | 2017-09-30 | 2018-03-06 | 武汉圣禹排水系统有限公司 | A kind of drainage system and water discharge control method with section dirty pipe and online treatment facility |
| CN210944896U (en) * | 2019-10-28 | 2020-07-07 | 重庆市排水有限公司 | Sewage treatment plant regulating system that intakes |
| CN213014614U (en) * | 2020-04-30 | 2021-04-20 | 武汉圣禹排水系统有限公司 | Box culvert cuts dirty regulation and storage structure |
| CN115092996A (en) * | 2022-07-15 | 2022-09-23 | 北京市市政工程设计研究总院有限公司 | A flow control device and water distribution system used in conjunction with a new clean water pool and an existing clean water pool |
-
2023
- 2023-11-15 CN CN202311538651.1A patent/CN117306660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070041790A1 (en) * | 2005-08-10 | 2007-02-22 | Cripps Jeffrey L | Waste water electrical power generating system |
| CN105780906A (en) * | 2016-04-19 | 2016-07-20 | 武汉圣禹排水系统有限公司 | Divisional discarding and intercepting drainage system |
| CN107761902A (en) * | 2017-09-30 | 2018-03-06 | 武汉圣禹排水系统有限公司 | A kind of drainage system and water discharge control method with section dirty pipe and online treatment facility |
| CN210944896U (en) * | 2019-10-28 | 2020-07-07 | 重庆市排水有限公司 | Sewage treatment plant regulating system that intakes |
| CN213014614U (en) * | 2020-04-30 | 2021-04-20 | 武汉圣禹排水系统有限公司 | Box culvert cuts dirty regulation and storage structure |
| CN115092996A (en) * | 2022-07-15 | 2022-09-23 | 北京市市政工程设计研究总院有限公司 | A flow control device and water distribution system used in conjunction with a new clean water pool and an existing clean water pool |
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