CN116254905A - Sponge urban drainage collection system and method for overhead overpass - Google Patents
Sponge urban drainage collection system and method for overhead overpass Download PDFInfo
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- CN116254905A CN116254905A CN202310179130.5A CN202310179130A CN116254905A CN 116254905 A CN116254905 A CN 116254905A CN 202310179130 A CN202310179130 A CN 202310179130A CN 116254905 A CN116254905 A CN 116254905A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 34
- 239000004576 sand Substances 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 15
- 239000004575 stone Substances 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 101100366940 Mus musculus Stom gene Proteins 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 description 3
- 230000017074 necrotic cell death Effects 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
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- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
- E01D19/086—Drainage arrangements or devices
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/103—Naturals or landscape retention bodies, e.g. ponds
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
- 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
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/20—Measuring flow in sewer systems
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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Abstract
The invention relates to a sponge urban drainage collection system and a method for an overhead overpass, wherein the sponge urban drainage collection system comprises a tank body, an overflow rain water inlet, a drainage vertical pipe communicated with a water outlet of an overhead bridge surface and a sinking green land arranged under the overhead bridge, the tank body is divided into an energy dissipation tank, an overflow grit chamber and a waste flow tank through a partition wall, the bottom of the drainage vertical pipe extends into the energy dissipation tank, the energy dissipation tank is communicated with the overflow grit chamber through a first water passing hole on the partition wall, and the overflow grit chamber is communicated with the waste flow tank through a second water passing hole on the partition wall; a water quality sensor is arranged in the overflow sand setting tank, an overflow hole is arranged at the top of the overflow sand setting tank, and a gate is arranged at the second water passing hole; the abandoned flow pool and the overflow gully are connected with a municipal rainwater pipe network. According to the invention, the concentration and salinity of suspended matters of rainwater in the overflow grit chamber are monitored through the water quality sensor, and different drainage modes are selected according to the water quality condition, so that the intelligent collection and utilization of sponge urban rainwater can be realized, and the safety of greening plants in a sinking green land is improved.
Description
Technical Field
The invention relates to the technical field of sponge urban rainwater collection, in particular to a sponge urban drainage collection system and method for an overhead overpass.
Background
The sponge city is designed into a sponge form, and various undersole surfaces and regulation facilities which act as the sponge during raining are used for collecting, storing, infiltrating and purifying water, so that the sponge city has good elasticity for adapting to environmental changes and coping with natural disasters and the like.
Sponge construction in cities is often carried out in places such as urban roads, building communities, urban water systems, green squares and the like. Sponge construction of urban roads is generally carried out by carrying out organized confluence and transfer on road surface rainwater, introducing the rainwater into adjusting facilities such as a sinking green land, a rainwater adjusting tank and the like, and carrying out collection, storage, infiltration and water purification treatment.
At present, the sponge urban rainwater collection system of the overhead overpass is imperfect, and the general drainage collection system only carries out energy dissipation collection on rainwater and then discharges the lower pad surfaces such as green land. The whole rainwater collection system is single in function, the treatment of carrying domestic garbage and silt on a large amount of roads during primary rain is not realized, the rainwater collection well and the buried perforated pipe can be blocked and cannot drain water because of garbage or silt siltation, and the primary rain salt content is very high after salt is sprayed on the road surface of a road administration department in winter, so that vegetation necrosis of greenbelts is caused, and a comprehensive intelligent management system is not considered.
Therefore, the conventional rainwater collection and utilization system can not meet the requirements of the sponge city construction of the overhead overpass, and the sponge city drainage collection system capable of carrying out water quality monitoring and drainage mode selection on the overhead overpass drainage is necessary to design.
Disclosure of Invention
The invention aims to provide a sponge urban drainage collection system and method for an overhead overpass, which not only can meet the related requirements of sponge cities, but also can monitor the water quality of overhead overpass floor drainage through a water quality sensor, select different drainage modes according to the water quality condition, and can realize intelligent collection and utilization of sponge urban rainwater.
In order to achieve the above purpose, the technical scheme of the invention is that the sponge urban drainage collection system for the viaduct comprises a tank body, an overflow rain water inlet, a drainage vertical pipe communicated with a viaduct face drainage outlet and a sinking green land arranged under an elevated frame, wherein the tank body and the overflow rain water inlet are arranged in the sinking green land, the tank body is divided into an energy dissipation tank, an overflow grit chamber and a waste flow tank through a partition wall, the bottom of the drainage vertical pipe extends into the energy dissipation tank, the energy dissipation tank is communicated with the overflow grit chamber through a first water passing hole on the partition wall, and the overflow grit chamber is communicated with the waste flow tank through a second water passing hole on the partition wall; a water quality sensor is arranged in the overflow sand setting tank, an overflow hole is formed in the top of the overflow sand setting tank, and a gate is arranged at the second water passing hole; the drainage pool and the overflow gully are connected with a municipal rainwater pipe network.
Further, the pool body and the drainage vertical pipes are multiple and correspond to each other one by one, and the adjacent abandoned flow pools of the pool body are communicated through abandoned flow pipes.
Still further, sponge urban drainage collecting system still includes intelligent control cabinet, the gate is integrative gate of flashlight, water quality sensor with intelligent control cabinet's input is connected, intelligent control cabinet's output with integrative gate of flashlight is connected.
Further, the bottom of the energy dissipation pond is provided with a low wall, and a sewage interception hanging basket is arranged between the top of the low wall and the first partition wall.
Further, the sinking green land comprises a planting layer, a permeable geotechnical cloth layer, a gravel layer and an impermeable membrane layer which are sequentially arranged from top to bottom, the top surface of the planting layer is lower than the pavement of a peripheral motor vehicle lane, and the top surface of the pool body and the top surface of the overflow gutter inlet are both higher than the planting layer.
Still further, the bottom of gravel layer is provided with the perforated pipe, the perforated pipe with overflow inlet for stom water intercommunication.
Further, standing stones are arranged around the sinking green land, and a planstone is paved between the standing stones and the pavement of the motor vehicle lane.
The invention also provides a sponge urban drainage collection method for the overhead overpass, which comprises the following steps:
rainwater on the overhead bridge deck enters an energy dissipation tank from a drainage vertical pipe through a drainage outlet of the overhead bridge deck, the rainwater after energy dissipation and sewage interception of the energy dissipation tank enters an overflow sand setting tank, and a water quality sensor in the overflow sand setting tank monitors the concentration and salinity of suspended matters in the rainwater in real time;
when the water quality sensor monitors that the concentration or salinity of suspended matters in the initial rainwater is too high, the water quality sensor feeds back related signals to the intelligent control cabinet, the intelligent control cabinet judges that a manual and electric integrated gate needs to be opened according to the received signals, sends out a control instruction to control the manual and electric integrated gate to be opened, and discharges the initial rainwater with the water quality exceeding the standard into a drainage pool and then discharges the initial rainwater to a municipal rainwater pipe network through a drainage pipe;
after the initial rainwater passes through the abandonment of a period of time, when the water quality sensor monitors that suspended solid concentration and salinity in the rainwater are recovered normally, the water quality sensor feeds back relevant signals to the intelligent control cabinet, the intelligent control cabinet judges according to received signals that the manual and electric integrated gate needs to be closed, and control instructions are sent out to control the manual and electric integrated gate to be closed, the rainwater overflows to the subsidence greenfield under the overhead intersection through the overflow hole at the top of the overflow grit chamber, after the rainwater is accumulated, permeated and purified in the subsidence green pond, a part of ground residual rainwater is discharged into the overflow gutter through the overflow port on the side of the overflow gutter, and another part of underground residual rainwater is discharged into the overflow gutter through the perforated pipe, and finally the rainwater in the overflow gutter is discharged to the municipal rainwater pipe network.
Further, when the concentration of suspended matters in the rainwater is higher than 50mg/l or the salinity is higher than 3.50ms/cm, the manual and electric integrated gate is controlled to be opened; when the concentration of suspended matters in the rainwater is not more than 50mg/l and the salinity is not more than 3.50ms/cm, the manual and electric integrated gate is controlled to be closed.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, rainwater on the overhead bridge deck enters the energy dissipation tank through the drainage vertical pipe, the rainwater after energy dissipation and sewage interception of the energy dissipation tank enters the overflow sand setting tank, the suspended matter concentration and salinity of the rainwater in the overflow sand setting tank are monitored through the water quality sensor, and different drainage modes are selected according to the water quality condition, so that the intelligent collection and utilization of the sponge city rainwater can be realized; when the water quality sensor monitors that the concentration or salinity of suspended matters in the initial rainwater is too high, a gate is opened, the initial rainwater is intercepted into a drainage pool and finally drained to a municipal rainwater pipe network, so that the safety of greening plants in a sunk green area is ensured, and the greening plants are prevented from necrosis; when the water quality sensor monitors that the concentration and salinity of suspended matters in the rainwater are recovered to be normal, the gate is closed, the rainwater in the overflow sand setting tank enters the sinking green land through the overflow hole, and the rainwater is accumulated, permeated and purified in the sinking green pool and finally discharged to a municipal rainwater pipe network through the overflow gutter inlet.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a sponge urban drainage collection system for an overhead overpass according to an embodiment of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a view B-B of FIG. 1;
FIG. 4 is a view C-C of FIG. 1;
FIG. 5 is a D-D view of FIG. 1;
FIG. 6 is an E-E view of FIG. 1;
in the figure: 1. an energy dissipation pool; 2. overflow sand basin; 3. a flow discarding pool; 4. a first water passing hole; 5. a second water passing hole; 6. a water quality sensor; 7. an overflow aperture; 8. a gate; 9. a drain stand pipe; 10. an overhead bridge deck drain opening; 11. bridge piers; 12. an intelligent control cabinet; 13. discarding the flow tube; 14. dirt-intercepting hanging basket; 15. planting a layer; 16. a water permeable geotechnical cloth layer; 17. a crushed stone layer; 18. an impermeable membrane layer; 19. perforating the pipe; 20. overflow gully; 21. standing edge stone; 22. and (3) a planar stone.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
As shown in fig. 1-6, the embodiment of the invention provides a sponge urban drainage collection system for an overhead overpass, which comprises a tank body, an overflow rain water inlet 20, a drainage vertical pipe 9 communicated with an overhead bridge face drainage outlet 10 and a sinking green land arranged below the overhead bridge, wherein the tank body and the overflow rain water inlet 20 are both arranged in the sinking green land, the tank body is divided into an energy dissipation tank 1, an overflow grit chamber 2 and a waste flow tank 3 through partition walls, the drainage vertical pipe 9 is arranged along an overhead bridge pier 11, the bottom of the drainage vertical pipe extends into the energy dissipation tank 1, the energy dissipation tank 1 is communicated with the overflow grit chamber 2 through a first water passing hole 4 on the partition walls, and the overflow grit chamber 2 is communicated with the waste flow tank 3 through a second water passing hole 5 on the partition walls; a water quality sensor 6 is arranged in the overflow grit chamber 2, an overflow hole 7 is arranged at the top of the overflow grit chamber 2, and a gate 8 is arranged at the second water passing hole 5; the abandoned flow pool 3 and the overflow rain water inlet 20 are connected with a municipal rainwater pipe network.
In the embodiment, rainwater on an overhead bridge deck enters the energy dissipation tank 1 through the drainage vertical pipe 9, the rainwater after energy dissipation by the energy dissipation tank 1 enters the overflow sand basin 2, the suspended matter concentration and the salinity of the rainwater in the overflow sand basin 2 are monitored through the water quality sensor 6, and different drainage modes are selected according to the water quality condition, so that the intelligent collection and utilization of the sponge city rainwater can be realized; when the water quality sensor 6 monitors that the concentration or salinity of suspended matters in the initial rainwater is too high, the gate 8 is opened, the initial rainwater is intercepted into the drainage pool 3 and finally drained to a municipal rainwater pipe network, so that the safety of greening plants in a sunk green area is ensured, and the greening plants are prevented from necrosis; when the water quality sensor 6 monitors that the concentration and salinity of suspended matters in the rainwater are recovered to be normal, the gate 8 is closed, the rainwater in the overflow sand setting tank 2 enters a sinking green land through the overflow hole 7, and the rainwater is accumulated, permeated and purified in the sinking green pool and finally discharged to a municipal rainwater pipe network through the overflow rainwater inlet 20.
Further, a plurality of drainage risers 9 are arranged below the overhead overpass at intervals, the corresponding position of each drainage riser 9 is correspondingly provided with the tank body, the adjacent drainage ponds 3 of the tank body are communicated through the drainage pipes 13, the drainage ponds 3 close to the municipal rainwater pipe network are connected with the municipal rainwater pipe network through the drainage pipes 13, and rainwater trapped by the drainage ponds 3 is directly discharged to the municipal rainwater pipe network.
Optimizing above-mentioned embodiment, sponge urban drainage collecting system of this embodiment still includes intelligent control cabinet 12, gate 8 is integrative gate of flashlight, water quality sensor 6 with intelligent control cabinet 12's input is connected, intelligent control cabinet 12's output with integrative gate of flashlight is connected. The water quality sensor 6 in each overflow grit chamber 2 respectively transmits the monitored water quality data to the intelligent control cabinet 12, the intelligent control cabinet 12 judges whether the suspended matter concentration or salinity is normal or too high according to the received water quality data, and a control instruction is sent to drive a manual-electric integrated gate in the corresponding overflow grit chamber 2 to be correspondingly closed or opened. After the intelligent control cabinet 12 sends out the control command, when the manual and electric integrated gate can not be opened in a linkage way due to failure, the manual opening can be realized.
Further, the bottom of the energy dissipation pond 1 is provided with a low wall, a sewage interception hanging basket 14 is arranged between the top of the low wall and the first partition wall, and garbage, sundries and the like with larger sizes are intercepted by the sewage interception hanging basket 14, so that the overflow grit chamber 2, the waste flow pond 3, the waste flow pipe 13, the municipal rainwater pipe network and the like are prevented from being blocked.
The cell body of this embodiment includes bottom of the pool and pool wall, and the bottom of the pool adopts C20 concrete basis, and the pool wall adopts M10 cement mortar to build the brickwork, and the inboard adopts M10 cement mortar to pointing. The overflow gully 20 adopts small-grain pebbles to spread feet, and the side surface is provided with an overflow port, and the ground residual rainwater can be discharged into the overflow gully 20 through the overflow port on the side surface.
Further, the sinking green land comprises a planting layer 15, a permeable geotechnical cloth layer 16, a gravel layer 17 and an impermeable membrane layer 18 which are sequentially arranged from top to bottom, the top surface of the planting layer 15 is lower than the pavement of a peripheral motor vehicle lane, the top surface of the pool body and the top surface of the overflow gutter 20 are both higher than the planting layer 15, and the drainage pipe 13 is arranged in the gravel layer 17. Still further, a perforated pipe 19 is disposed at the bottom of the stone layer 17, the perforated pipe 19 is communicated with the overflow gully 20, and after the rainwater is accumulated, permeated and purified in the sinking green pond, the underground residual rainwater can be discharged into the overflow gully 20 through the perforated pipe 19.
Further, standing stones 21 are arranged around the sinking green land, a plane stone 22 is paved between the standing stones 21 and the motor vehicle road surface, and the plane stone 22 is inclined downwards from the motor vehicle road surface to the standing stones 21.
The embodiment also provides a sponge urban drainage collection method for the overhead overpass, which comprises the following steps:
rainwater on the overhead bridge deck enters the corresponding energy dissipation pond 1 from the overhead bridge deck water outlet 10 through the water drainage vertical pipe 9, the rainwater after energy dissipation and sewage interception of the energy dissipation pond 1 enters the overflow sand basin 2, and the water quality sensor 6 in the overflow sand basin 2 monitors the concentration and salinity of suspended matters in the rainwater in real time;
when the water quality sensor 6 in the overflow grit chamber 2 monitors that the concentration or salinity of suspended matters in the initial rainwater is too high, the water quality sensor 6 feeds back related signals to the intelligent control cabinet 12, the intelligent control cabinet 12 judges that an electric and mechanical integrated gate needs to be opened according to the received signals, and sends out a control instruction to control the electric and mechanical integrated gate to be opened, so that the initial rainwater with the water quality exceeding the standard is discharged into the drainage tank 3 and then is discharged to a municipal rainwater pipe network through a drainage pipe;
after the initial rainwater passes through the abandonment of a period of time, when the water quality sensor 6 in the overflow grit chamber 2 monitors that the suspended solid concentration and the salinity in the initial rainwater are recovered to be normal, the water quality sensor 6 feeds back relevant signals to the intelligent control cabinet 12, the intelligent control cabinet 12 judges that the manual and electric integrated gate needs to be closed according to the received signals, and sends out control instructions to control the manual and electric integrated gate to be closed, the rainwater overflows to a sinking green land under the overhead intersection through the overflow hole 7 at the top of the overflow grit chamber 2, after the rainwater is accumulated, permeated and purified in the sinking green pond, a part of ground residual rainwater is discharged to the overflow rainwater inlet 20 through the overflow port on the side surface of the overflow rainwater inlet 20, and the other part of underground residual rainwater is discharged to the overflow rainwater inlet 20 through the perforated pipe 19, and finally the rainwater in the overflow rainwater inlet is discharged to a municipal rainwater pipe network.
Further, when the concentration of suspended matters in the rainwater is higher than 50mg/l or the salinity is higher than 3.50ms/cm, the manual and electric integrated gate is controlled to be opened; when the concentration of suspended matters in the rainwater is not more than 50mg/l and the salinity is not more than 3.50ms/cm, the manual and electric integrated gate is controlled to be closed.
According to the embodiment, the water quality sensor 6 capable of detecting the concentration and the salinity of suspended matters and the manual and electric operation manual and electric integrated gate are arranged through the tank body provided with the energy dissipation tank 1, the overflow grit chamber 2 and the flow discarding tank 3, the water quality of overhead interchange drainage can be intelligently monitored, the drainage mode is intelligently selected according to the water quality condition, the intelligent automatic intercepting flow discarding is carried out on the initial rain with the concentration or the salinity of the suspended matters, the suspended matters can automatically enter the overhead interchange to sink to the green space after the concentration or the salinity of the suspended matters are recovered to be normal, the sponge overhead interchange drainage function is realized, and the safety of greening plants in the sinking green space is improved.
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. A sponge urban drainage collecting system for overhead overpass, its characterized in that: the energy dissipation device comprises a tank body, an overflow rain water inlet, a drainage vertical pipe communicated with a water outlet of a viaduct bridge surface and a sinking green land arranged below the viaduct bridge surface, wherein the tank body and the overflow rain water inlet are arranged in the sinking green land, the tank body is internally divided into an energy dissipation tank, an overflow sand setting tank and a flow discarding tank through a partition wall, the bottom of the drainage vertical pipe extends into the energy dissipation tank, the energy dissipation tank and the overflow sand setting tank are communicated through a first water passing hole on the partition wall, and the overflow sand setting tank and the flow discarding tank are communicated through a second water passing hole on the partition wall; a water quality sensor is arranged in the overflow sand setting tank, an overflow hole is formed in the top of the overflow sand setting tank, and a gate is arranged at the second water passing hole; the drainage pool and the overflow gully are connected with a municipal rainwater pipe network.
2. The sponge urban drainage collection system for an overhead overpass of claim 1, wherein: the pool body and the drainage vertical pipes are in one-to-one correspondence, and the adjacent abandoned flow pools of the pool body are communicated through abandoned flow pipes.
3. A sponge urban drainage collection system for an overhead overpass as claimed in claim 1 or 2, wherein: still include intelligent control cabinet, the gate is integrative gate of flashlight, water quality sensor with intelligent control cabinet's input is connected, intelligent control cabinet's output with integrative gate of flashlight is connected.
4. The sponge urban drainage collection system for an overhead overpass of claim 1, wherein: the bottom of the energy dissipation pond is provided with a short wall, and a sewage interception hanging basket is arranged between the top of the short wall and the first partition wall.
5. The sponge urban drainage collection system for an overhead overpass of claim 1, wherein: the sunk green land comprises a planting layer, a permeable geotechnical cloth layer, a gravel layer and an impermeable membrane layer which are sequentially arranged from top to bottom, the top surface of the planting layer is lower than the pavement of a peripheral motor vehicle lane, and the top surface of the pool body and the top surface of the overflow gutter inlet are higher than the planting layer.
6. The sponge urban drainage collection system for an overhead overpass of claim 5, wherein: the bottom of gravel layer is provided with the perforated pipe, the perforated pipe with overflow inlet for stom water intercommunication.
7. The sponge urban drainage collection system for an overhead overpass of claim 1, wherein: vertical stones are arranged around the sinking green land, and a plane stone is paved between the vertical stones and the motor vehicle lane pavement.
8. A sponge urban drainage collection method for an overhead overpass is characterized by comprising the following steps:
rainwater on the overhead bridge deck enters an energy dissipation tank from a drainage vertical pipe through a drainage outlet of the overhead bridge deck, the rainwater after energy dissipation and sewage interception of the energy dissipation tank enters an overflow sand setting tank, and a water quality sensor in the overflow sand setting tank monitors the concentration and salinity of suspended matters in the rainwater in real time;
when the water quality sensor monitors that the concentration or salinity of suspended matters in the initial rainwater is too high, the water quality sensor feeds back related signals to the intelligent control cabinet, the intelligent control cabinet judges that a manual and electric integrated gate needs to be opened according to the received signals, sends out a control instruction to control the manual and electric integrated gate to be opened, and discharges the initial rainwater with the water quality exceeding the standard into a drainage pool and then discharges the initial rainwater to a municipal rainwater pipe network through a drainage pipe;
after the initial rainwater passes through the abandonment of a period of time, when the water quality sensor monitors that suspended solid concentration and salinity in the rainwater are recovered normally, the water quality sensor feeds back relevant signals to the intelligent control cabinet, the intelligent control cabinet judges according to received signals that the manual and electric integrated gate needs to be closed, and control instructions are sent out to control the manual and electric integrated gate to be closed, the rainwater overflows to the subsidence greenfield under the overhead intersection through the overflow hole at the top of the overflow grit chamber, after the rainwater is accumulated, permeated and purified in the subsidence green pond, a part of ground residual rainwater is discharged into the overflow gutter through the overflow port on the side of the overflow gutter, and another part of underground residual rainwater is discharged into the overflow gutter through the perforated pipe, and finally the rainwater in the overflow gutter is discharged to the municipal rainwater pipe network.
9. The sponge urban drainage collection method for an overhead overpass of claim 8, wherein: when the concentration of suspended matters in the rainwater is higher than 50mg/l or the salinity is higher than 3.50ms/cm, controlling the manual and electric integrated gate to be opened; when the concentration of suspended matters in the rainwater is not more than 50mg/l and the salinity is not more than 3.50ms/cm, the manual and electric integrated gate is controlled to be closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310179130.5A CN116254905A (en) | 2023-02-23 | 2023-02-23 | Sponge urban drainage collection system and method for overhead overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310179130.5A CN116254905A (en) | 2023-02-23 | 2023-02-23 | Sponge urban drainage collection system and method for overhead overpass |
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| Publication Number | Publication Date |
|---|---|
| CN116254905A true CN116254905A (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310179130.5A Pending CN116254905A (en) | 2023-02-23 | 2023-02-23 | Sponge urban drainage collection system and method for overhead overpass |
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| Country | Link |
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| CN (1) | CN116254905A (en) |
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2023
- 2023-02-23 CN CN202310179130.5A patent/CN116254905A/en active Pending
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