CN112962770A - Rainwater overflow well - Google Patents
Rainwater overflow well Download PDFInfo
- Publication number
- CN112962770A CN112962770A CN202110232371.2A CN202110232371A CN112962770A CN 112962770 A CN112962770 A CN 112962770A CN 202110232371 A CN202110232371 A CN 202110232371A CN 112962770 A CN112962770 A CN 112962770A
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- Prior art keywords
- overflow
- well
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- channel
- grate
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Classifications
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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
- E03F5/0401—Gullies for use in roads or pavements
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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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0403—Gullies for use in roads or pavements with a sediment trap
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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
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
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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
- E03F5/06—Gully gratings
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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
- E03F5/06—Gully gratings
- E03F2005/061—Gully gratings hinged to the body of the gully
Abstract
The application provides a rainwater overflow well, which comprises a well body, wherein a primary overflow channel, a secondary overflow channel and a communication channel are formed in the well body, and the communication channel is used for communicating the primary overflow channel with the secondary overflow channel; offer the municipal administration delivery port that is used for with municipal pipeline intercommunication on the inner wall of second grade overflow path, one-level overflow path is including the one-level overflow mouth that is located the top of the well body, and second grade overflow path is higher than the one-level overflow mouth including the second grade overflow mouth that is located the top of the well body, second grade overflow mouth. The rainwater overflow well can perform hierarchical control and multistage overflow regulation and storage according to different rainfall conditions.
Description
Technical Field
The application relates to the technical field of rainwater time-delay discharge, in particular to a rainwater overflow well.
Background
In recent years, domestic rainstorm is frequent, serious waterlogging and ponding occur in many cities, and the waterlogging of the cities not only causes paralysis of urban traffic, but also causes great loss to the life and property safety of people.
The urban municipal gutter inlet is the first gateway for rainwater drainage, and the overflowing capacity of the urban municipal gutter inlet is an important factor for the urban rainwater drainage capacity to reach the standard, so that the urban operation safety is directly influenced. Gullies are usually located in blocks, squares, street intersections and side gutters of streets to collect rainwater on the ground and on the road surface of the street to prevent rainwater from flooding the road or causing water accumulation on the road and in low lying areas. The overflow well structure with single function and single control target is difficult to meet the requirements of runoff grading control or storm peak value flow control.
Disclosure of Invention
An object of the embodiment of this application is to provide a rainwater overflow well, this rainwater overflow well can carry out hierarchical control and multistage overflow regulation to different rainfall conditions.
The embodiment of the application provides a rainwater overflow well, which comprises a well body, wherein a primary overflow channel, a secondary overflow channel and a communication channel are formed in the well body, and the communication channel is used for communicating the primary overflow channel with the secondary overflow channel; offer the municipal administration delivery port that is used for with municipal pipeline intercommunication on the inner wall of second grade overflow path, first grade overflow path is including being located the one-level overflow mouth at the top of the well body, second grade overflow path is including being located the second grade overflow mouth at the top of the well body, the second grade overflow mouth is higher than the one-level overflow mouth.
In the implementation process, when the water level of rainwater with smaller rainfall flows over the primary overflow port but not over the secondary overflow port, the rainwater enters the primary overflow channel through the primary overflow port, then enters the secondary overflow channel through the communication channel, and finally is discharged into a municipal pipeline through a municipal water outlet in the secondary overflow channel. When the rainfall is large, the rainwater overflows the secondary overflow port, enters the primary overflow channel through the primary overflow port, enters the secondary overflow channel through the secondary overflow port, then flows into the municipal pipeline through the secondary overflow channel, the discharge capacity of the secondary overflow channel is fully used, the discharge speed of rainwater runoff is improved, and the peak flow can be effectively controlled.
It can be seen that this rainwater overflow well is through setting up two overflow passageways, one-level overflow passageway and second grade overflow passageway promptly, and sets up the second grade overflow mouth and be higher than the one-level overflow mouth, can realize hierarchical control and multistage overflow regulation and storage to the rainwater according to the rainfall condition of difference. The rainwater overflow well can be widely applied to places such as rainwater gardens, rainwater ponds, rainwater wetlands, dry ponds and the like.
In one possible implementation, the communication channel is disposed above the bottom of the primary overflow channel to form a settling zone at the bottom of the primary overflow channel.
In the implementation process, the communication channel is arranged above the bottom of the first-level overflow channel, a settling zone can be formed from the bottom of the first-level overflow channel to the part between the communication channels, silt in rainwater entering the first-level overflow channel is settled in the settling zone, and the settled rainwater enters the second-level overflow channel through the communication channel. The setting of the settling zone can enable the rainwater to filter silt before entering the secondary overflow channel, and further improve the purification capacity of the rainwater overflow well.
In a possible implementation manner, the well body comprises an isolation well wall located between the primary overflow channel and the secondary overflow channel, and the isolation well wall corresponding to the settling zone is a water permeable structure.
In the above-mentioned realization in-process, after the rain stops, can leave over rainwater, the silt and other impurity of sediment in the sedimentation zone, if the rainwater soaks silt or impurity for a long time and can produce bacterium, peculiar smell or breed mosquito etc. consequently set up the sedimentation zone and correspond keep apart the wall of a well for the structure that permeates water, the rainwater of sedimentation zone can see through keep apart the wall of a well and get into second grade overflow path to discharge into municipal pipeline, can effectively avoid bacterium, mosquito to breed or produce the peculiar smell, improve the emission rate of rainwater.
In a possible implementation manner, a sewage interception grating is detachably mounted in the primary overflow channel.
In the implementation process, the sewage interception grating is arranged in the primary overflow channel and can intercept runoff pollutants such as weeds, leaves and garbage, so that better effluent quality is obtained, the pollution of the treatment pressure of a sewage treatment plant and the runoff pollutants to urban water is reduced, the rainwater overflow well is prevented from being blocked due to the blockage, and the drainage capacity of the rainwater overflow well is improved. The sewage intercepting grid is detachably arranged on the first-level overflow channel, and the sewage intercepting grid is convenient to detach and replace or maintain the first-level overflow channel.
In a possible implementation, the sewage interception grille can be obliquely arranged in the primary overflow channel.
In above-mentioned realization in-process, if cut dirty grid horizontal setting, the runoff impurity of interception can be tiled on cutting dirty grid, and then the shutoff cuts dirty grid and leads to cutting dirty grid to lose the ability of crossing water. The sewage interception grating is obliquely arranged, runoff impurities are downwards accumulated under the impact of gravity and rainwater flow, and the water passing capacity of the sewage interception grating is further improved.
In a possible implementation manner, a primary grate can be arranged at the primary overflow port, a secondary grate can be arranged at the secondary overflow port, and the filtering gap of the secondary grate is larger than that of the primary grate.
In the implementation process, the primary grate can intercept runoff pollutants at the primary overflow port, the secondary grate can intercept runoff pollutants at the secondary overflow port, the primary overflow channel, the secondary overflow channel or the communication channel can be prevented from being blocked, and the drainage capacity of the rainwater overflow well is improved. The filtering gap of the secondary grate is larger than the filtering gap of the primary grate, the secondary grate is used for filtering runoff pollutants with larger size, the primary grate is used for filtering runoff pollutants with smaller size, and the primary overflow channel and the secondary overflow channel can be effectively prevented from being blocked.
In a possible implementation manner, the primary grate is detachably mounted on the well body, and the secondary grate is detachably mounted on the well body.
In the implementation process, the first-stage grate and the second-stage grate are detachably mounted on the well body respectively, so that the first-stage grate or the second-stage grate can be conveniently dismounted to maintain and clean the rainwater overflow well.
In a possible implementation manner, one side of the first-stage grate is rotatably connected to the well body through a first-stage rotating shaft, the first-stage grate can be rotatably opened along the first-stage rotating shaft, one side of the second-stage grate is rotatably connected to the well body through a second-stage rotating shaft, and the second-stage grate can be rotatably opened along the second-stage rotating shaft.
In the implementation process, the primary grate and the secondary grate are opened in a rotating mode, the primary grate and the secondary grate can be prevented from being lost, the anti-theft effect is achieved, and the openable structure is convenient to maintain or clean the rainwater overflow well.
In one possible implementation, the bottom of the municipal water outlet is aligned with the bottom of the secondary overflow channel.
In the above-mentioned realization process, the bottom that sets up the municipal delivery port flushes with the bottom of second grade overflow channel and can makes all rainwater in the second grade overflow channel all can flow in municipal pipeline through municipal delivery port, avoids remaining the rainwater in the second grade overflow channel, improves the drainage effect of rainwater overflow well.
In a possible implementation manner, the bottom of the secondary overflow channel is provided with a slope body which inclines towards the municipal water outlet.
In the above-mentioned realization process, set up the slope body and can lead municipal delivery port with the rainwater for go out water, avoid the rainwater to remain in second grade overflow path, improve second grade overflow path's drainage ability.
The beneficial effect of this application does: set up two-stage overflow channel, one-level overflow channel and second grade overflow channel promptly for rainwater overflow well can realize the hierarchical regulation to the rainwater to the rainfall of difference, extension runoff detention time, sets up one-level grate, second grade grate, cuts dirty grid and settling zone simultaneously and carries out on-line interception and purifies, subsides through the gravity, the pollutant in the little biodegradable removal water, improves play water quality of water, and prevents to block up, improves drainage ability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a top view of a rainwater overflow well according to an embodiment of the present disclosure;
fig. 2 is a sectional view of 1-1 shown in fig. 1.
Icon: 100-well body; 200-a first-stage overflow channel; 300-a secondary overflow channel; 400-a communication channel; 310-municipal water outlet; 210-a primary overflow port; 320-a secondary overflow port; 220-a precipitation zone; 110-isolating the well wall; 120-a water permeable structure; 500-sewage interception grating; 600-first-stage perforated strainer; 700-secondary grate; 800-ground; 900-municipal pipeline; 130-gravel cushion; 140-concrete foundation.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "primary", "secondary", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 and fig. 2, fig. 1 is a top view of a rainwater overflow well according to an embodiment of the present disclosure; fig. 2 is a sectional view of 1-1 shown in fig. 1. The embodiment of the application provides a rainwater overflow well, which comprises a well body 100, wherein a primary overflow channel 200, a secondary overflow channel 300 and a communication channel 400 are arranged on the well body 100, and the communication channel 400 is used for communicating the primary overflow channel 200 and the secondary overflow channel 300; the inner wall of the secondary overflow channel 300 is provided with a municipal water outlet 310 communicated with a municipal pipeline 900, the primary overflow channel 200 comprises a primary overflow port 210 positioned at the top of the well body 100, the secondary overflow channel 300 comprises a secondary overflow port 320 positioned at the top of the well body 100, and the secondary overflow port 320 is higher than the primary overflow port 210.
In the implementation process, when the rainwater with smaller rainfall flows over the primary overflow port 210 and does not flow over the secondary overflow port 320, the rainwater enters the primary overflow channel 200 through the primary overflow port 210, then enters the secondary overflow channel 300 through the communication channel 400, and finally is discharged into the municipal pipeline 900 through the municipal water outlet 310 in the secondary overflow channel 300. When the rainfall is large, the rainwater overflows the secondary overflow port 320, enters the primary overflow channel 200 through the primary overflow port 210, enters the secondary overflow channel 300 through the secondary overflow port 320, and then flows into the municipal pipeline 900 through the secondary overflow channel 300, the discharge capacity of the two-stage overflow channel is fully used, the discharge speed of rainwater runoff is improved, and the peak flow can be effectively controlled.
It can be seen that the rainwater overflow well can realize the graded control and the multistage overflow regulation and storage of rainwater according to different rainfall conditions by arranging two overflow channels, namely the first-stage overflow channel 200 and the second-stage overflow channel 300 and arranging the second-stage overflow port 320 higher than the first-stage overflow port 210. The rainwater overflow well can be widely applied to places such as rainwater gardens, rainwater ponds, rainwater wetlands, dry ponds and the like.
It should be noted that the secondary overflow port 320 is higher than the primary overflow port 210, which means that the secondary overflow port 320 is higher than the primary overflow port 210 in the vertical direction relative to the ground 800.
Optionally, the shapes of the primary overflow port 210 and the secondary overflow port 320 may be rectangular, circular, triangular, or the like, which is not limited in this embodiment. Optionally, the well body 100 can adopt a brick-concrete structure, is corrosion-resistant, has a long service life, and is convenient to construct.
In some embodiments, the well 100 further comprises a bottom foundation disposed at the bottom of the primary overflow channel 200 and the secondary overflow channel 300, the bottom foundation comprising a concrete foundation 140 and a gravel pack 130, the gravel pack 130 being disposed below the concrete foundation 140.
In one possible implementation, the communication channel 400 is disposed above the bottom of the primary overflow channel 200 to form the settling zone 220 at the bottom of the primary overflow channel 200.
In the above implementation process, the communication channel 400 is disposed above the bottom of the primary overflow channel 200, a settling zone 220 may be formed between the bottom of the primary overflow channel 200 and the communication channel 400, silt in the rainwater entering the primary overflow channel 200 is settled in the settling zone 220, and the settled rainwater enters the secondary overflow channel 300 through the communication channel 400. The settling zone 220 is provided to filter silt before the rainwater enters the secondary overflow channel 300, thereby improving the purification capacity of the rainwater overflow well.
In one possible implementation, the well body 100 includes an isolation well wall 110 between the primary overflow channel 200 and the secondary overflow channel 300, and the isolation well wall 110 corresponding to the settling zone 220 is a water permeable structure 120.
In the above-mentioned realization in-process, after the rain stops, can leave over the rainwater in the sedimentation zone 220, sediment and other impurity of sediment, if the rainwater soaks sediment or impurity for a long time and can produce the bacterium, peculiar smell or breed the mosquito etc., consequently, set up the isolation wall of a well 110 that the sedimentation zone 220 corresponds and be the structure 120 that permeates water, the rainwater of sedimentation zone 220 can see through isolation wall of a well 110 and get into second grade overflow channel 300, thereby discharge municipal pipeline 900, can effectively avoid the bacterium, the mosquito breeds or produces the peculiar smell, improve the discharge rate of rainwater.
In one possible implementation, a sewage interception grille 500 is detachably mounted in the primary overflow channel 200.
In the implementation process, the sewage interception grating 500 is arranged in the primary overflow channel 200 to intercept runoff pollutants such as weeds, leaves and garbage, so that better effluent quality is obtained, the pollution of the treatment pressure of a sewage treatment plant and the runoff pollutants to urban water is reduced, the rainwater overflow well is prevented from being blocked due to the blockage, and the drainage capacity of the rainwater overflow well is improved. The sewage interception grating 500 is detachably arranged on the first-level overflow channel 200, so that the sewage interception grating 500 can be conveniently detached for replacement or maintenance of the first-level overflow channel 200.
In one possible implementation, the catch basin 500 may be obliquely disposed within the primary overflow channel 200.
In the above implementation process, if the sewage interception grating 500 is horizontally disposed, the intercepted runoff impurities may be flatly laid on the sewage interception grating 500, and then the sewage interception grating 500 is blocked, so that the sewage interception grating 500 loses the water passing capability. The sewage interception grating 500 is obliquely arranged, runoff impurities are downwards accumulated under the impact of gravity and rainwater flow, and the water passing capacity of the sewage interception grating 500 is further improved.
Optionally, the dirt-intercepting grid 500 may be made of cast iron or stainless steel.
In a possible implementation manner, the primary overflow port 210 may be provided with a primary grate 600, the secondary overflow port 320 may be provided with a secondary grate 700, and a filtering gap of the secondary grate 700 is larger than that of the primary grate 600.
In the implementation process, the primary grate 600 can intercept runoff pollutants at the primary overflow port 210, the secondary grate 700 can intercept runoff pollutants at the secondary overflow port 320, the primary overflow channel 200, the secondary overflow channel 300 or the communication channel 400 can be prevented from being blocked, and the drainage capacity of the rainwater overflow well is improved. The filtering gap of the secondary grate 700 is larger than the filtering gap of the primary grate 600, the secondary grate 700 is used for filtering runoff pollutants with larger size, the primary grate 600 is used for filtering runoff pollutants with smaller size, and the primary overflow channel 200 and the secondary overflow channel 300 can be effectively prevented from being blocked.
Optionally, the shape of the primary grate 600 or the secondary grate 700 may be rectangular, circular or other polygonal shapes, which is not limited in this embodiment.
Optionally, the primary grate 600 may be a convex grate type grate, a flat grate type grate, or another type of grate, and the secondary grate 700 may be a convex grate type grate, a flat grate type grate, or another type of grate, which is not limited in the embodiment of the present invention.
In a possible implementation manner, the primary grate 600 is detachably installed on the well body 100, and the secondary grate 700 is detachably installed on the well body 100.
In the implementation process, the first-stage grate 600 and the second-stage grate 700 are respectively detachably mounted on the well body 100, so that the first-stage grate 600 or the second-stage grate 700 can be conveniently detached to maintain and clean the rainwater overflow well.
In a possible implementation manner, one side of the first-stage grate 600 is rotatably connected to the well body 100 through a first-stage rotating shaft, the first-stage grate 600 can be rotatably opened along the first-stage rotating shaft, one side of the second-stage grate 700 is rotatably connected to the well body 100 through a second-stage rotating shaft, and the second-stage grate 700 can be rotatably opened along the second-stage rotating shaft.
In the implementation process, the primary grate 600 and the secondary grate 700 are opened in a rotating mode, the primary grate 600 and the secondary grate 700 can be prevented from being lost, the anti-theft effect is achieved, and the openable structure is convenient to maintain or clean the rainwater overflow well.
In some embodiments, the bottom of the municipal water outlet 310 is positioned higher than the bottom of the secondary overflow channel 300.
In one possible implementation, the bottom of the municipal water outlet 310 is aligned with the bottom of the secondary overflow channel 300.
In the implementation process, the bottom of the municipal water outlet 310 is flush with the bottom of the secondary overflow channel 300, so that all rainwater in the secondary overflow channel 300 can flow into the municipal pipeline 900 through the municipal water outlet 310, the rainwater remaining in the secondary overflow channel 300 is avoided, and the drainage effect of the rainwater overflow well is improved.
In one possible implementation, the bottom of the secondary overflow channel 300 is provided with a ramp body inclined towards the municipal water outlet 310.
In the implementation process, the slope body is arranged to guide rainwater to the municipal water outlet 310, so that water is discharged, rainwater is prevented from remaining in the secondary overflow channel 300, and the drainage capacity of the secondary overflow channel 300 is improved.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A rainwater overflow well, comprising: the overflow device comprises a well body, a first-stage overflow channel, a second-stage overflow channel and a communication channel, wherein the well body is provided with the first-stage overflow channel, the second-stage overflow channel and the communication channel;
offer the municipal administration delivery port that is used for with municipal pipeline intercommunication on the inner wall of second grade overflow path, first grade overflow path is including being located the one-level overflow mouth at the top of the well body, second grade overflow path is including being located the second grade overflow mouth at the top of the well body, the second grade overflow mouth is higher than the one-level overflow mouth.
2. The stormwater overflow well as claimed in claim 1, wherein the communication channel is provided above the bottom of the primary overflow channel to form a settling zone at the bottom of the primary overflow channel.
3. The rainwater overflow well according to claim 2, wherein said well body comprises an isolation well wall between said primary overflow channel and said secondary overflow channel, and said isolation well wall corresponding to said sedimentation zone is a water permeable structure.
4. A stormwater overflow well as claimed in claim 3, wherein a dirt-intercepting grid is removably mounted in the primary overflow channel.
5. The stormwater overflow well as claimed in claim 4, wherein the catch grid is disposed obliquely within the primary overflow channel.
6. A rainwater overflow well according to any of claims 1 to 5, characterized in that a primary grate is arranged at the primary overflow port, a secondary grate is arranged at the secondary overflow port, and the filtering gap of the secondary grate is larger than that of the primary grate.
7. The rainwater overflow well of claim 6, wherein said primary grate is removably mounted to said well body and said secondary grate is removably mounted to said well body.
8. The rainwater overflow well according to claim 6, wherein one side of the primary grate is rotatably connected to the well body through a primary rotating shaft, the primary grate can be rotatably opened along the primary rotating shaft, one side of the secondary grate is rotatably connected to the well body through a secondary rotating shaft, and the secondary grate can be rotatably opened along the secondary rotating shaft.
9. The stormwater overflow well as claimed in claim 6, wherein the bottom of the municipal water outlet is aligned with the bottom of the secondary overflow channel.
10. The stormwater overflow well as claimed in claim 9, wherein the bottom of the secondary overflow channel is provided with a ramp body inclined towards the municipal water outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232371.2A CN112962770A (en) | 2021-03-02 | 2021-03-02 | Rainwater overflow well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232371.2A CN112962770A (en) | 2021-03-02 | 2021-03-02 | Rainwater overflow well |
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| CN112962770A true CN112962770A (en) | 2021-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502901A (en) * | 2021-08-02 | 2021-10-15 | 饶伟民 | Rainwater overflow well for municipal administration |
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| CN110093966A (en) * | 2019-03-07 | 2019-08-06 | 北京建筑大学 | A kind of biology delay facility overflow mouth structure |
| CN211735707U (en) * | 2020-01-15 | 2020-10-23 | 河北路恒工程咨询有限公司 | Water drainage device for municipal road |
| CN211816835U (en) * | 2020-03-25 | 2020-10-30 | 成都惟尚建筑设计有限公司 | Sponge city cuts novel overflow well of dirty anti-reflux |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502901A (en) * | 2021-08-02 | 2021-10-15 | 饶伟民 | Rainwater overflow well for municipal administration |
| CN113502901B (en) * | 2021-08-02 | 2022-12-20 | 江阴市钜辉建设有限公司 | Rainwater overflow well for municipal administration |
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Application publication date: 20210615 |