CN107143022B - Multifunctional rainwater receiving well - Google Patents

Multifunctional rainwater receiving well Download PDF

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Publication number
CN107143022B
CN107143022B CN201710513379.XA CN201710513379A CN107143022B CN 107143022 B CN107143022 B CN 107143022B CN 201710513379 A CN201710513379 A CN 201710513379A CN 107143022 B CN107143022 B CN 107143022B
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CN
China
Prior art keywords
cylindrical body
rainwater
plot
receiving well
multifunctional
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Active
Application number
CN201710513379.XA
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Chinese (zh)
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CN107143022A (en
Inventor
李楠
梁思懿
李�杰
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MCC Capital Engineering and Research Incorporation Ltd
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MCC Capital Engineering and Research Incorporation Ltd
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Priority to CN201710513379.XA priority Critical patent/CN107143022B/en
Publication of CN107143022A publication Critical patent/CN107143022A/en
Application granted granted Critical
Publication of CN107143022B publication Critical patent/CN107143022B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F1/00Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/002Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/0401Gullies for use in roads or pavements
    • E03F5/0404Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/04Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06Gully gratings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

Abstract

The invention provides a multifunctional rainwater receiving well, which is arranged at a biological detention belt and comprises: the upper end of the cylindrical body is open, the lower end of the cylindrical body is closed, and water seepage holes are formed in the side wall and the bottom wall of the cylindrical body; one end of the plot rainwater collecting pipe is connected with a pipeline of the plot to be collected, the other end of the plot rainwater collecting pipe is connected with the cylindrical body, and the plot rainwater collecting pipe gradually inclines downwards along the direction of the pipeline of the plot to be collected towards the cylindrical body; the dirt blocking assembly is detachably arranged in the cylindrical body; the grid grate is arranged at the upper end of the cylindrical body. The invention has the beneficial effects that the side wall and the bottom wall of the cylindrical body are provided with water seepage holes, so that the cylindrical body has a seepage function, accumulated water after rain is reduced to the greatest extent, and mosquitoes and flies are prevented from breeding. Meanwhile, the land block rainwater (rainwater at a land block rainwater well on the municipal road side) which cannot flow into the biological detention zone by gravity can be effectively transferred, the water receiving area of the biological detention zone can be increased, and the external rainwater discharge amount is reduced.

Description

Multifunctional rainwater receiving well
Technical Field
The invention relates to the field of rainwater recycling devices, in particular to a multifunctional rainwater receiving well.
Background
The sponge city is like a sponge, has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters and the like, absorbs water, stores water, permeates water and purifies water when raining, and releases and utilizes the stored water when needed. The sponge city follows a low-influence development mode conforming to nature and harmonious harmony with nature, wherein the traditional city utilizes the land to carry out high-strength development, and the sponge city realizes harmonious harmony between people and nature, land utilization, water environment and water circulation; the traditional city development mode changes the original water ecology, and the sponge city protects the original water ecology; the construction mode of the traditional city is extensive, and the sponge city has low influence on the ecological environment of surrounding water; after the traditional city is built, the surface runoff is greatly increased, and the surface runoff can be kept unchanged after the sponge city is built.
The biological detention belt is a low-impact development facility which is widely applied in sponge city construction. The bio-detention area generally accomodates town road rainwater, through absorption and infiltration of plant, reduces the rainwater and discharges the flow outward, purifies rainwater quality of water. When land rainwater is received, the rainwater drainage outlet is generally required to be positioned above the sinking surface of the biological detention belt, and the rainwater gravity flows into the biological detention belt. Disadvantages of the prior art: because of the requirement of the downstreams of the road for earthing and slope down, the drainage outlet of the downstreams cannot meet the requirement of gravity flowing into the biological detention belt.
Disclosure of Invention
The invention provides a multifunctional rainwater receiving well, which aims to drain rainwater in a land on a high land into a biological detention belt.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multi-functional receiving well of rainwater, sets up in biological detention area department, multi-functional receiving well of rainwater includes: the upper end of the cylindrical body is open, the lower end of the cylindrical body is closed, and water seepage holes are formed in the side wall and the bottom wall of the cylindrical body; one end of the plot rainwater collecting pipe is connected with a pipeline of the plot to be collected, the other end of the plot rainwater collecting pipe is connected with the cylindrical body, and the plot rainwater collecting pipe gradually inclines downwards along the direction of the pipeline of the plot to be collected towards the cylindrical body; the dirt blocking assembly is detachably arranged in the cylindrical body; the grid grate is arranged at the upper end of the cylindrical body.
Further, a first clamping part is arranged on the inner wall of the cylindrical body, the trash blocking assembly comprises a trash blocking basket which is of a hollowed-out structure, the trash blocking basket is arranged inside the cylindrical body, and a second clamping part which is matched and clamped with the first clamping part is arranged on the trash blocking basket.
Further, the first clamping part is a clamping groove arranged on the inner wall of the cylindrical body, and the second clamping part is a clamping protrusion arranged on the outer side of the dirt blocking basket.
Further, a rainwater inlet is formed in the side wall of the cylindrical body, the other end of the land parcel rainwater collecting pipe is connected with the rainwater inlet, and the upper end of the dirt blocking basket is located below the rainwater inlet.
Further, a permeable geotextile is arranged in the dirt blocking basket.
Further, a handle is arranged on the dirt blocking basket.
Further, the opening ratio of the water seepage holes formed in the side wall and the bottom wall of the cylindrical body is 1-3%.
Further, the height of the cylindrical body in the vertical direction is 0.5m to 1m.
Further, the upper end of the cylindrical body is of a tapered structure and is directed downward in the vertical direction, and the inner diameter of the upper end of the cylindrical body is gradually reduced.
The invention has the beneficial effects that the side wall and the bottom wall of the cylindrical body are provided with water seepage holes, so that the cylindrical body has a seepage function, accumulated water after rain is reduced to the greatest extent, and mosquitoes and flies are prevented from breeding. Meanwhile, the land block rainwater (rainwater at a land block rainwater well on the municipal road side) which cannot flow into the biological detention zone by gravity can be effectively transferred, the water receiving area of the biological detention zone can be increased, and the external rainwater discharge amount is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a connection structure between an embodiment of a multifunctional rainwater receiving well and a land parcel rainwater well according to the present invention;
FIG. 2 is a schematic view of a rainwater multifunctional receiving well according to an embodiment of the present invention;
fig. 3 is a bottom view of an embodiment of a multifunctional stormwater receiving well in accordance with the invention.
Reference numerals in the drawings: 10. a cylindrical body; 11. water seepage holes; 20. collecting pipe for land parcels rainwater; 30. a dirt blocking assembly; 31. a dirt blocking basket; 32. a handle; 33. water permeable geotextile; 40. a grating grate; 50. a bio-retention strip; 60. municipal road; 70. land block catch basin.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 to 3, the embodiment of the present invention provides a rainwater multifunctional receiving well, which is provided at a bio-detention belt 50, and includes a cylindrical body 10, a land parcel rainwater collecting pipe 20, a dirt blocking assembly 30, and a grid grate 40. The upper end of the cylindrical body 10 is open, the lower end is closed, and water seepage holes 11 are formed in the side wall and the bottom wall of the cylindrical body 10. The cylindrical body 10 is disposed within the formation of the bio-retention strip 50. One end of the plot rainwater collecting pipe 20 is connected with a pipeline of a plot to be collected, the other end of the plot rainwater collecting pipe is connected with the cylindrical body 10, the elevation of the bottom of the pipeline (the height of the plane where the bottom of the pipeline is located at the well 70) along the plot to be collected is higher than the height of the top surface of the biological detention belt (the height of the upper surface of the biological detention belt) so as to ensure that rainwater can flow into the cylindrical body 10 under a certain pressure and face the direction of the cylindrical body 10, and the plot rainwater collecting pipe 20 is gradually inclined downwards with the gradient of 0.002-0.003. The dirt assembly 30 is detachably disposed within the cylindrical body 10. The grating grate 40 is provided at the upper end of the cylindrical body 10. The pipeline of the land to be collected is a land catch basin 70 at the side of the road 60 of the municipal road.
The side wall and the bottom wall of the cylindrical body 10 are provided with water seepage holes 11, so that the cylindrical body 10 has a seepage function, water accumulation after rain is reduced to the greatest extent, and mosquito and fly breeding is prevented. Meanwhile, the land block rainwater (the rainwater at the land block rainwater well 70 at the road side of the municipal road 60) which cannot flow into the biological detention belt 50 by gravity can be effectively transferred, the water receiving area of the biological detention belt 50 can be increased, and the external rainwater drainage amount can be reduced.
The opening ratio (the opening ratio is defined as the ratio of the total area of the mesh holes on the screen plate to the area of the open area) of the water penetration holes 11 provided in the side wall and the bottom wall of the cylindrical body 10 is 1% to 3%.
In the embodiment of the invention, a first clamping part (not shown) is arranged on the inner wall of the cylindrical body 10, the dirt blocking assembly 30 comprises a dirt blocking basket 31, the dirt blocking basket 31 is of a hollow structure, the dirt blocking basket 31 is arranged in the cylindrical body 10, and a second clamping part (not shown) which is matched and clamped with the first clamping part is arranged on the dirt blocking basket 31. The first clamping part and the second clamping part are arranged, so that the dirt blocking basket 31 can be effectively clamped and positioned, and the influence on the water seepage efficiency caused by the position movement of the dirt blocking basket 31 is prevented. In this embodiment, the first engaging portion is an engaging groove formed on the inner wall of the cylindrical body 10, and the second engaging portion is an engaging protrusion formed on the outer side of the dirt basket 31. Preferably, in order to prevent the water seepage holes 11 on the bottom wall of the cylindrical body 10 from being blocked, the water permeable geotextile 33 is arranged at the bottom of the dirt blocking basket 31 in the embodiment of the invention, and the water permeable geotextile 33 can effectively prevent the water seepage holes 11 from being blocked. The arrangement of the dirt blocking basket 31 and the permeable geotechnical cloth 33 can effectively intercept large-particle-size particles in rainwater, is convenient to maintain and improves the rainwater quality. In the embodiment of the invention, the water permeable geotextile 33 is arranged at the bottom of the dirt basket 31 and abuts against the bottom wall of the cylindrical body 10.
Further, a rainwater inlet is provided on a sidewall of the cylindrical body 10, and the other end of the plot rainwater collecting pipe 20 is connected to the rainwater inlet, and an upper end of the dirt blocking basket 31 is located below the rainwater inlet. The dirt blocking basket 31 is arranged below the rainwater inlet, so that rainwater drained into the cylindrical body 10 by the land parcel rainwater collecting pipe 20 can directly enter the dirt blocking basket 31 from the upper end opening of the dirt blocking basket 31, the dirt blocking basket 31 can effectively filter the rainwater, filtering residues are reserved in the dirt blocking basket 31, and cleaning and maintenance are facilitated.
Preferably, a handle 32 is provided on the dirt basket 31. The handle 32 can facilitate the cleaning personnel to lift and clean the dirt basket 31 from the upper end of the barrel body 10. The handle can be hinged to the upper end of the trash basket 31 or can be fixed to the upper end of the trash basket 31 in a fixed mode. The specific installation mode is selected according to different environment requirements. In the embodiment of the present invention, the handle 32 is a rod-shaped structure disposed on the periphery of the dirt blocking basket 31, the lower end of the rod-shaped structure is hinged to the upper end of the dirt blocking basket 31, and the upper end of the rod-shaped structure is bent towards the upper end wall of the cylindrical body 10 and is clamped with the upper end of the cylindrical body 10. The upper end of the rod-like structure is located below the grating 40.
The height of the cylindrical body 10 in the vertical direction is 0.5m to 1m to reduce the water accumulation depth. The bottom elevation of the land parcel rainwater well 70 should be higher than the top elevation of the biological retention belt 50, ensuring that the land parcel rainwater well 70 drains into the pressure head of the biological retention belt 50 (the pressure head is the ratio of the pressure acting on the unit area to the weight of the fluid per unit volume).
Further, the upper end of the cylindrical body 10 is a tapered section, and the inner diameter of the tapered section gradually decreases downward in the vertical direction. That is, the upper end of the cylindrical body 10 is flared from bottom to top, and the action flow rate of rainwater through the conical section and the grid grate 40 is reduced, so that the scouring of plants in the biological detention belt 50 can be reduced.
The practical application of the embodiment of the invention is as follows: during rainfall, the land parcel rainwater well 70 enters the rainwater multifunctional receiving well through the land parcel rainwater collecting pipe 20. When the amount of rain is small, the rain water permeates into the surrounding soil through the water seepage holes 11 of the cylindrical body 10 (shown by the lower arrows in fig. 2). When the rainfall is increased and the rainfall exceeds the penetration capacity of the multifunctional receiving well for stormwater, the stormwater drains through the grating 40 into the bio-detention belt 50 (shown by the upper arrow in fig. 2). When rainwater flows through the conical section at the upper end of the cylindrical body 10, the water cross-sectional area of the rainwater is increased, the flow speed is slowed down, and meanwhile, partial energy of the rainwater can be eliminated due to the local resistance loss of the conical section and the grating grate 40 which are gradually expanded from bottom to top, so that the flushing of the rainwater on the biological detention belt 50 is lightened. And, a part of suspended matter carried by rainwater is trapped on the cylindrical body 10, and the suspended matter is deposited on the water permeable geotextile 33 at the bottom of the trash basket 31.
After rain stops, the rainwater accumulated in the rainwater multifunctional receiving well permeates surrounding soil rapidly through the water seepage holes 11 on the side wall and the bottom wall of the cylindrical body 10, accumulated water after rain is reduced to the greatest extent, and breeding of mosquitoes and flies is prevented. After rain, maintenance personnel open the grid grate 40, remove the dirt basket 31 through the handle 32 and clean sediment, and replace the permeable geotechnical cloth 33 in the dirt basket 31 for next use.
The bottom wall and the outer side of the side wall of the cylindrical body 10 are sequentially paved with a permeable geotechnical cloth, a gravel layer, a permeable geotechnical cloth and a coarse sand layer, so as to prevent the infiltration holes 11 from being blocked by impurities in the infiltration rainwater outside the well.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: the side wall and the bottom wall of the cylindrical body 10 are provided with water seepage holes 11, so that the cylindrical body 10 has a seepage function, water accumulation after rain is reduced to the greatest extent, and mosquito and fly breeding is prevented. Meanwhile, the land block rainwater (rainwater at the land block rainwater well 70 of the municipal road 60) which cannot flow into the biological detention belt 50 by gravity can be effectively transferred, the water receiving area of the biological detention belt 50 can be increased, and the amount of externally discharged rainwater can be reduced.
The foregoing description of the embodiments of the invention is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention shall fall within the scope of the patent. In addition, the technical characteristics and technical scheme, technical characteristics and technical scheme can be freely combined for use.

Claims (8)

1. The utility model provides a multi-functional receiving well of rainwater, sets up in biological detention area department, its characterized in that, multi-functional receiving well of rainwater includes:
the upper end of the cylindrical body (10) is open, the lower end of the cylindrical body is closed, and water seepage holes (11) are formed in the side wall and the bottom wall of the cylindrical body (10);
one end of the plot rainwater collecting pipe (20) is connected with a pipeline of a plot to be collected, the other end of the plot rainwater collecting pipe is connected with the cylindrical body (10), and the plot rainwater collecting pipe (20) gradually inclines downwards along the direction of the pipeline of the plot to be collected towards the cylindrical body (10);
a dirt blocking assembly (30) detachably arranged in the cylindrical body (10);
the grid grate (40) is arranged at the upper end of the cylindrical body (10);
the upper end of the cylindrical body (10) is of a conical structure, the inner diameter of the upper end of the cylindrical body (10) is gradually reduced along the vertical direction, and a rainwater inlet on the side wall of the cylindrical body (10) is positioned below the conical structure;
the cone-shaped structure is connected with the bio-retentive belt (50) and is arranged below the bio-retentive belt (50), and the gradient of the cone-shaped structure is larger than that of the bio-retentive belt (50).
2. The multifunctional rainwater receiving well according to claim 1, wherein a first clamping part is arranged on the inner wall of the cylindrical body (10), the sewage blocking assembly (30) comprises a sewage blocking basket (31), the sewage blocking basket (31) is of a hollowed-out structure, the sewage blocking basket (31) is arranged inside the cylindrical body (10), and a second clamping part matched and clamped with the first clamping part is arranged on the sewage blocking basket (31).
3. The multifunctional rainwater receiving well according to claim 2, wherein the first clamping part is a clamping groove arranged on the inner wall of the cylindrical body (10), and the second clamping part is a clamping protrusion arranged on the outer side of the dirt blocking basket (31).
4. A multifunctional rainwater receiving well according to claim 2, characterized in that a rainwater inlet is provided on the side wall of the cylindrical body (10), the other end of the land parcel rainwater collecting pipe (20) is connected with the rainwater inlet, and the upper end of the dirt blocking basket (31) is positioned below the rainwater inlet.
5. A multifunctional rainwater receiving well according to claim 2, characterized in that a water permeable geotextile (33) is arranged in the dirt blocking basket (31).
6. A multifunctional rainwater receiving well according to claim 2, characterized in that the dirt blocking basket (31) is provided with a handle (32).
7. A multifunctional rainwater receiving well according to any one of claims 1 to 6, characterized in that the opening ratio of the side wall and the bottom wall of the cylindrical body (10) provided with the water penetration holes (11) is 1 to 3%.
8. A multifunctional stormwater receiving well as claimed in any of claims 1 to 6, characterized in that the height of the cylindrical body (10) in the vertical direction is 0.5m to 1m.
CN201710513379.XA 2017-06-29 2017-06-29 Multifunctional rainwater receiving well Active CN107143022B (en)

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Application Number Priority Date Filing Date Title
CN201710513379.XA CN107143022B (en) 2017-06-29 2017-06-29 Multifunctional rainwater receiving well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710513379.XA CN107143022B (en) 2017-06-29 2017-06-29 Multifunctional rainwater receiving well

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CN107143022A CN107143022A (en) 2017-09-08
CN107143022B true CN107143022B (en) 2023-07-25

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110629944B (en) * 2019-09-03 2021-05-28 中机国际工程设计研究院有限责任公司 Roof rainwater flow guide facility

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