CN210947057U - Rainwater seepage well with initial rainwater discarding function - Google Patents
Rainwater seepage well with initial rainwater discarding function Download PDFInfo
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- CN210947057U CN210947057U CN201921192834.1U CN201921192834U CN210947057U CN 210947057 U CN210947057 U CN 210947057U CN 201921192834 U CN201921192834 U CN 201921192834U CN 210947057 U CN210947057 U CN 210947057U
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Abstract
The utility model discloses a rainwater seepage well with initial rainwater abandoning function, including the well body, the wall of a well and well lid, the well body include abandoning a class well room and infiltration well room, abandoning and be equipped with the well wall between class well room and the infiltration well room, be provided with the intercommunication mouth on the well wall; the rainwater collection well chamber is provided with a rainwater inlet pipe for collecting rainwater and introducing the rainwater into the rainwater collection well chamber, the bottom of the rainwater collection well chamber is provided with a rainwater collection pipe, and the pipe diameter of the rainwater collection pipe is smaller than that of the rainwater inlet pipe, so that the inflow flow is larger than the rainwater collection flow; the bottom of the seepage well chamber is provided with a rainwater seepage layer, and the position of the well wall of the seepage well chamber close to the top is provided with an overflow pipe. This rainwater infiltration well can abandon the class to the rainwater of initial stage, and has the rainwater and infiltrates, stores the function, when reducible initial stage rainwater pollutes natural water, reduces surface runoff and reduces the rainwater volume of converging municipal rainwater pipeline.
Description
Technical Field
The invention belongs to the field of urban drainage engineering, and particularly relates to a rainwater seepage well with an initial rainwater discarding function.
Background
Along with the development of cities, the area of the impervious ground is continuously increased, and the runoff of rainwater is correspondingly increased. Rainwater is a precious water resource, and residual runoff is safely and reasonably drained by using a rainwater pipe after rainwater is fully utilized in modes such as infiltration to contain underground water and adjust the urban ecological environment.
The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city.
Chinese patent application 201610822103.5 discloses a sponge urban rainwater infiltration well with construction waste as built-in material, which comprises an infiltration well hole, a broken construction waste filling material in the infiltration well hole and surrounding soil; the seepage well is arranged in the surrounding soil body, the broken building rubbish filling material is filled in the seepage well, and the rainwater seepage well can increase rainwater infiltration and also can supply underground water.
But the rainwater seepage well has the defects. The initial rainwater dissolves a large amount of polluting gases in the air and washes away ground pollutants, and if the initial rainwater is directly discharged into a natural water body, the water body is seriously polluted. Therefore, in order to protect the environment, the rainwater at the early stage of rainfall is subjected to flow discarding treatment. The seepage well lacks the function of abandoning the initial rainwater, so the seepage well cannot be well adapted to the construction requirements of sponge cities.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rainwater infiltration well with initial stage rainwater abandons a class function, this rainwater infiltration well can abandon a class to the rainwater of initial stage, and has the rainwater and infiltrate, store the function, and when reducible initial stage rainwater pollutes natural water, reduce surface runoff and reduce the rainwater volume of converging municipal rainwater pipeline.
The purpose of the utility model is realized through the following technical scheme:
a rainwater seepage well with initial rainwater discarding function comprises a well body, a well wall and a well cover, and is characterized in that the well body comprises a discarding well chamber and a seepage well chamber, a well wall is arranged between the discarding well chamber and the seepage well chamber, and a communication port is arranged on the well wall to communicate the discarding well chamber with the seepage well chamber, so that the liquid level of rainwater in the discarding well chamber can overflow into the seepage well chamber through the communication port after reaching a preset height; the rainwater collection well chamber is provided with a rainwater inlet pipe for collecting rainwater and introducing the rainwater into the rainwater collection well chamber, the bottom of the rainwater collection well chamber is provided with a rainwater collection pipe, and the pipe diameter of the rainwater collection pipe is smaller than that of the rainwater inlet pipe, so that the inflow flow is larger than the rainwater collection flow; the bottom of the seepage well chamber is provided with a rainwater seepage layer, and the wall of the seepage well chamber is provided with an overflow pipe, so that the liquid level of rainwater in the seepage well chamber can be discharged through the overflow pipe after reaching a preset height.
When the utility model is used, rainwater flows into the drainage well chamber through the rainwater inlet pipe, and initial rainwater is drained through the drainage pipe at the bottom of the drainage well chamber; when the precipitation is more, the rainwater collected in the drainage well chamber is gradually increased, when the liquid level of the rainwater reaches the communication port, the rainwater flows into the permeation well chamber through the communication port, then seeps downwards through the rainwater infiltration layer, and the rainwater which cannot seep downwards in time can be stored in the permeation well chamber; when the rainwater is accumulated in the infiltration well chamber too much, the rainwater is discharged through the overflow pipe.
Preferably, the rainwater infiltration layer comprises a coarse sand layer, a permeable geotextile and a thick pebble layer which are sequentially arranged from top to bottom.
As an embodiment of the utility model, abandon the flow pipe and link to each other with municipal sewage pipe network, and abandon the pipe diameter of flow pipe and be less than the pipe diameter of overflow pipe.
As an embodiment of the utility model, the overflow pipe link to each other with municipal rainwater pipe network, and the pipe diameter of overflow pipe is more than or equal to the pipe diameter of rainwater inlet tube.
As an embodiment of the utility model, the intercommunication mouth be provided with the interception net that is used for intercepting filth and debris to avoid large-scale solid filth and debris to get into in the infiltration well room.
As an embodiment of the utility model, the well lid on be provided with logical groove, and can plant the vegetation on the well lid. The vegetation can not only beautify the appearance, but also can filter and purify rainwater to a certain extent.
The well wall of the utility model can be a brick well wall or a concrete well wall; the rainwater infiltration layer is provided with an outer wall made of PE material, and the outer wall is provided with an opening.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the flow-discarding well chamber discards the initial rainwater with pollutants, and further processes the initial rainwater after the initial rainwater enters the municipal sewage pipe network, thereby reducing the pollution of the initial rainwater to the natural water body;
2. rainwater infiltration layers in the infiltration well chambers enable rainwater to infiltrate downwards, so that underground water is fully conserved by utilizing rainwater, and the ecological environment of a city is adjusted;
3. rainwater which cannot be timely discharged is stored in the infiltration well chamber and gradually seeps through the rainwater infiltration layer, so that surface runoff and rainwater amount confluent into municipal rainwater pipelines are reduced; the rest rainwater enters the municipal rainwater pipe network through the overflow pipe for further utilization;
4. the utility model discloses simple structure, the construction is simple, and construction cost is low, can set up in departments such as greenbelt, meadow in various places such as urban road, district, extensive applicability is particularly suitable for the construction requirement in sponge city.
Drawings
The invention is further illustrated by the following figures.
Fig. 1 is a schematic structural diagram of a rainwater infiltration well with an initial rainwater discarding function.
Reference numerals: 1-a well body; 11-a flow abandoning well chamber; 12-a permeate well chamber; 2-well wall; 20-well wall; 3-well cover; 4-a communication port; 40-an interception net; 5-a rainwater inlet pipe; 6-a flow abandoning pipe; 7-an overflow pipe; 80-outer wall; 81-coarse sand layer; 82-permeable geotextile; 83-thick pebble layer.
Detailed Description
The present invention will be further described with reference to the following specific examples.
As shown in fig. 1, the rainwater infiltration well with the initial rainwater drainage function comprises a well body 1, a well wall 2 and a well cover 3, wherein the well body 1 comprises a drainage well chamber 11 and an infiltration well chamber 12, a well wall 20 is arranged between the drainage well chamber 11 and the infiltration well chamber 12, and a communication port 4 is arranged in the middle of the well wall 20, so that the drainage well chamber 11 is communicated with the infiltration well chamber 12; the rainwater discarding well chamber 11 is provided with a rainwater inlet pipe 5 for leading rainwater into the rainwater discarding well chamber in a confluence manner, the bottom of the rainwater discarding well chamber 11 is provided with a rainwater discarding pipe 6, and the pipe diameter of the rainwater discarding pipe 6 is smaller than that of the rainwater inlet pipe 5, so that the inflow is larger than the rainwater discarding flow; the bottom of the seepage well chamber 12 is provided with a rainwater seepage layer, and the position of the well wall 2 of the seepage well chamber 12 close to the top is provided with an overflow pipe 7.
The rainwater infiltration layer comprises a coarse sand layer 81, a permeable geotextile 82 and a thick pebble layer 83 which are sequentially arranged from top to bottom.
The height of the coarse sand layer 81 is 5cm, and the grain diameter is adopted
The thick pebble layer 83 has a height of 40cm and a particle diameter of
Abandon the flow pipe 6 and link to each other with municipal sewage pipe network, and abandon the pipe diameter of flow pipe 6 and be less than the pipe diameter of overflow pipe 7.
The overflow pipe 7 link to each other with municipal rainwater pipe network, and the pipe diameter of overflow pipe 7 is more than or equal to the pipe diameter of rainwater inlet tube 5.
The communication port 4 is provided with an interception net 40 for intercepting dirt and sundries, so that large solid dirt and sundries are prevented from entering the permeation well chamber 12.
The well lid 3 on be provided with logical groove (not shown), and well lid 3 is gone up and is planted the vegetation. The vegetation can not only beautify the appearance, but also can filter and purify rainwater to a certain extent.
The well wall 2 can be a brick well wall or a concrete well wall; the rainwater infiltration layer is provided with an outer wall 80 made of PE material, and the outer wall 80 is provided with an opening (not shown).
The working process of the utility model is as follows:
rainwater is converged and flows into a flow abandoning well chamber 11 through a rainwater inlet pipe 5, initial rainwater is abandoned through a flow abandoning pipe 6 at the bottom of the flow abandoning well chamber 11, and the abandoned rainwater enters a municipal sewage pipe network through the flow abandoning pipe 6; when the precipitation amount is large, the rainwater collected in the drainage well chamber 11 is gradually increased, when the liquid level of the rainwater reaches the communication port 4, the rainwater flows into the permeation well chamber 12 through the communication port 4, and the interception net 40 intercepts large solid dirt and impurities carried in the rainwater in the process; rainwater enters the infiltration well chamber 12 and then infiltrates through the coarse sand layer 81, the permeable geotextile 82 and the thick pebble layer 83 in sequence, and rainwater which cannot infiltrate timely is stored in the infiltration well chamber 12; when excess rainwater accumulates in the percolation well 12, it is drained through said overflow pipe 7 and flows into the municipal rainwater network.
It should be noted that the above-mentioned embodiments are only illustrative and not restrictive, and any modifications or changes within the meaning and range of equivalents to the technical solutions of the present invention by those skilled in the art should be considered to be included in the protection scope of the present invention.
Claims (7)
1. A rainwater seepage well with initial rainwater discarding function comprises a well body, a well wall and a well cover, and is characterized in that the well body comprises a discarding well chamber and a seepage well chamber, a well wall is arranged between the discarding well chamber and the seepage well chamber, and a communication port is arranged on the well wall to communicate the discarding well chamber with the seepage well chamber, so that the liquid level of rainwater in the discarding well chamber can overflow into the seepage well chamber through the communication port after reaching a preset height; the rainwater collection well chamber is provided with a rainwater inlet pipe for collecting rainwater and introducing the rainwater into the rainwater collection well chamber, the bottom of the rainwater collection well chamber is provided with a rainwater collection pipe, and the pipe diameter of the rainwater collection pipe is smaller than that of the rainwater inlet pipe, so that the inflow flow is larger than the rainwater collection flow; the bottom of the seepage well chamber is provided with a rainwater seepage layer, and the wall of the seepage well chamber is provided with an overflow pipe, so that the liquid level of rainwater in the seepage well chamber can be discharged through the overflow pipe after reaching a preset height.
2. The rainwater infiltration well with initial rainwater abandoning function of claim 1, wherein the rainwater infiltration layer comprises a coarse sand layer, a permeable geotextile and a thick pebble layer which are arranged from top to bottom in sequence.
3. The rainwater infiltration well with initial rainwater discarding function according to claim 1, wherein the discarding pipe is connected to municipal sewage pipe network, and the diameter of the discarding pipe is smaller than that of the overflow pipe.
4. The rainwater infiltration well with initial rainwater discarding function of claim 1, wherein the overflow pipe is connected to the municipal rainwater pipe network, and the pipe diameter of the overflow pipe is greater than or equal to that of the rainwater inlet pipe.
5. A rainwater infiltration well with initial rainwater drainage function according to claim 1, characterized in that the communication port is provided with an interception net for intercepting dirt and large solid impurities, thereby preventing the dirt and impurities from entering the infiltration well chamber.
6. The rainwater infiltration well with initial rainwater discarding function of claim 1, wherein the well lid is provided with a through groove and vegetation is planted on the well lid.
7. The rainwater infiltration well with the initial rainwater discarding function according to any one of claims 1 to 6, wherein the rainwater infiltration layer is provided with an outer wall made of PE material, and the outer wall is provided with openings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921192834.1U CN210947057U (en) | 2019-07-26 | 2019-07-26 | Rainwater seepage well with initial rainwater discarding function |
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| CN201921192834.1U CN210947057U (en) | 2019-07-26 | 2019-07-26 | Rainwater seepage well with initial rainwater discarding function |
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| CN210947057U true CN210947057U (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277883A (en) * | 2022-01-14 | 2022-04-05 | 秦培培 | Self-cleaning ecological water collection structure and construction and use method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277883A (en) * | 2022-01-14 | 2022-04-05 | 秦培培 | Self-cleaning ecological water collection structure and construction and use method |
| CN114277883B (en) * | 2022-01-14 | 2023-07-07 | 秦培培 | Self-cleaning ecological water collection structure and construction and use method |
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Address after: No.146, huangbian North Road, Baiyun District, Guangzhou, Guangdong 510440 Patentee after: Guangdong transportation planning and Design Institute Group Co.,Ltd. Address before: No.22 Xinghua Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG PROVINCE COMMUNICATIONS PLANNING & DESIGN INSTITUTE Co.,Ltd. |