CN103088896A - Ecological road shock resistance rainwater utilization system - Google Patents
Ecological road shock resistance rainwater utilization system Download PDFInfo
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- CN103088896A CN103088896A CN2013100090126A CN201310009012A CN103088896A CN 103088896 A CN103088896 A CN 103088896A CN 2013100090126 A CN2013100090126 A CN 2013100090126A CN 201310009012 A CN201310009012 A CN 201310009012A CN 103088896 A CN103088896 A CN 103088896A
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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
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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
Abstract
The invention relates to an ecological road shock resistance rainwater utilization system. The ecological road shock resistance rainwater utilization system is characterized in that the ecological road shock resistance rainwater utilization system is arranged on an open space or greenbelt land on the side of a road, and comprises rainwater inlets, abandon flow grooves, a low elevation greenbelt, initial rainwater storage processing wet land, an overflow well, a rainwater tank, a rainwater utilization structure and a draining well, wherein grids are arranged in the rainwater inlets, volume spaces are arranged inside the rainwater inlets, and are used for remaining rainwater for a short time and serving as grit chambers, the rainwater inlets are communicated with the abandon flow grooves through rainwater pipes, overflow openings are formed in the tops of the abandon flow grooves, the abandon flow grooves are communicated with the initial rainwater storage processing wet land through abandon flow pipes, the low elevation greenbelt is lower than a road surface, a permeable backfill layer is arranged on the lower portion of the low elevation greenbelt, the initial rainwater storage processing wet land comprises an initial rainwater storage pool and processing wet land, and a partition wall with water distribution holes is arranged between the initial rainwater storage pool and the processing wet land. The ecological road shock resistance rainwater utilization system plays a role in rainwater discharge reduction and slow discharge, reduces city rainfall flood runoff volume, reduces probability of occurrence of city rainfall flood disasters, and meanwhile can effectively control construction scales of downstream drainage systems, has an excellent eco-environment protection effect, and provides a new way to solve the problem of city water shortage.
Description
Technical field
The present invention relates to a kind of Ecological Road shock resistance rainwater utilization system, belong to rainwater comprehensive utilization, water supply and drainage and environmental protection technical field.
Background technology
Along with global warming, extreme weather is more and more frequent, and extreme rainfall has partially strong trend on the high side, and the rain flood runoff that heavy showers forms brings great test and environmental impact to the city, forms very large threat for the normal productive life in city.And rainwater is valuable freshwater resources, and the contaminated degree of rainwater is lighter, can be used for recharge of groundwater, through can also conduct using mixedly the water source after simple the processing.
Simultaneously, at the rainfall initial stage, due to the souring of rainwater to ground, can carry the pollutant of ground accumulation and enter drainage pipeline networks.Therefore, the pollutant levels of early-stage rainwater are higher, and entrained pollutant also can not be ignored the pollution of discharging water body, and the road early-stage rainwater is particularly serious to the pollution of environment.Therefore, how research is held back early-stage rainwater to process and is had important environment protection significance.
At present, the road both sides in city generally all is provided with greenbelt, but these greenbelts are mainly that its underground space also is not utilized as greening and landscape function at present.How making good use of greenbelt and the underground space thereof, is the technical issues that need to address of the present invention.
Construction comprises the facilities such as road surface initial-rainwater collection and treatment and rainwater comprehensive utilization, both can administer pollution, reduce the rainfall runoff recharge of groundwater, can open up again the effects such as new water source, has distinct ecological, environmental protective feature.By its functional control structure, can further effectively bring into play its environment-friendly function and realize the intelligent control of rainwater utilization.
Summary of the invention
Purpose of the present invention is for a kind of Ecological Road shock resistance rainwater utilization system is provided, and this Ecological Road shock resistance rainwater utilization system can be held back processing to the road early-stage rainwater, and reduction rainfall runoff, flood peak clipping effectively utilizes rainwater, has obvious ecological, environmental protective feature.
Purpose of the present invention can reach by taking following technical scheme:
Ecological Road shock resistance rainwater utilization system, its design feature is: be arranged on the other vacant lot of road or greenbelt with on the ground, comprise that inlet for stom water, abandoned stream groove, up concave type greenery patches, early-stage rainwater store and process wetland, overflow well, stormwater tank, rainwater utilization structure and catch pit; Be provided with grid, its inside in inlet for stom water and have the volume space that stops and do grit chamber for the rainwater short time, inlet for stom water is communicated with the abandoned stream groove by rain pipe; Top at the abandoned stream groove is provided with overfall, and abandoned stream groove 2 is communicated with early-stage rainwater by the abandoned stream pipe and stores the processing wetland; The up concave type greenery patches is lower than the road surface, is provided with permeable backfill layer below the up concave type greenery patches; Early-stage rainwater stores the processing wetland and comprises the early-stage rainwater storage pool and process wetland, is provided with the partition wall with water distributing pore between early-stage rainwater storage pool and processing wetland; The early-stage rainwater storage pool connects the abandoned stream pipe, and the water outlet of processing wetland is communicated with municipal rain pipe by perforated pipe, wetland drainage pipe and catch pit; Several overflow wells are set in the up concave type greenery patches, the elevation that the top of described overflow well is provided with inlet opening, this inlet opening higher than the up concave type greenery patches lower than the overfall of abandoned stream groove; Overflow well is communicated with stormwater tank by water inlet pipe, and stormwater tank is communicated with the rainwater utilization structure; The rainwater utilization structure comprises supply-water pump, water valve and hydrant, and supply-water pump is arranged in stormwater tank, the hydrant setting on the ground, form intake; Catch pit is located in the up concave type greenery patches or the edge, and its top is provided with the inlet opening, and lower than the overfall of abandoned stream groove, the delivery port of catch pit is communicated with municipal rain pipe to this inlet opening elevation higher than the inlet opening of overflow well.
Purpose of the present invention can also reach by taking following technical scheme:
Further, can be provided with the PLC controller in the rainwater utilization structure, the PLC controller can be established on the ground; In stormwater tank, content gauge can be set, the input of PLC controller connects the signal output part of content gauge, and the output of PLC controller connects the control input end of supply-water pump, the control input end of water valve, consists of the Based Intelligent Control structure of rainwater reuse.
Further, can be provided with AS and control valve in the rainwater utilization structure, bury the soil moisture inductor in green space system underground, the output of soil moisture inductor connects an input of PLC controller, and an output of PLC controller connects the control input end of control valve.
Further, in the early stage the top in rainwater storage pond can be provided with draw clearly mouthful, regularly to draw clearly the heavy mud in the pond, be provided with packing layer and muskeg in processing wetland, packing layer and muskeg possess the structure of removing various pollutants contained in early-stage rainwater and satisfying the discharging water quality requirement.
The present invention has following outstanding beneficial effect:
1, the present invention stores by early-stage rainwater is set up concave type greenery patches, the stormwater tank of processing wetland, having infiltration function, play rainwater and reduce discharging, delay row function, reduce the Urban Storm Flood run-off, reduce the probability that the Urban Storm Flood disaster occurs, can effectively control the building size of downstream drainage system simultaneously.
2, the present invention and road landscape engineering adapt, and early-stage rainwater is set stores the processing wetland, and early-stage rainwater is processed on the spot, solves the pollution problem of early-stage rainwater, significantly alleviate the environment water that causes due to first rain runoff and pollute.And the treatment facility miniaturization, disperse flexible arrangement, without control appliance, utilize the long-time absorption between two rainfalls to process rainwater, decrease is processed and maintenance cost.Total dischargeable capacity of its early-stage rainwater storage pool and processing wetland is through calculative determination, within the design rainfall intensity, the precontamination thing of every rainfall is held back process and be discharged after reaching requirement, surpass also can hold back in the rainfall that designs rainfall intensity and process most pollutants, reach with the investment that economizes and obtain larger environmental benefit.
3, setting of the present invention has up concave type greenery patches and the early-stage rainwater storage processing wetland of infiltration function, process by rainwater infiltration, greenery patches adsorption filtration and early-stage rainwater, the pollutant that produces on road can be held back, process on the spot, reach the utmost point low emission of roadway pollution material, have obvious ecological, environmental protective effect.
4, the present invention by collecting rainwater, is used for the miscellaneous waters such as greening, road flushing, takes full advantage of natural rainfall as the water source, provides new approach for solving urban water shortage.The utilization of rainwater can realize intelligent automatic control, and is safe and reliable to operation.
Description of drawings
Fig. 1 is functional block diagram of the present invention.
Fig. 2 is the structural representation of the specific embodiment of the invention 1.
The early-stage rainwater that Fig. 3 the present invention relates to stores the structural representation of processing wetland.
Fig. 4 is the structural representation of the specific embodiment of the invention 2.
Specific embodiment 1:
With reference to Fig. 1, Fig. 2 and Fig. 3, the present embodiment is arranged on the vacant lot of road one side or greenbelt with on the ground, comprises that inlet for stom water 1, abandoned stream groove 2, up concave type greenery patches 3, early-stage rainwater store and process wetland 4, overflow well 5, stormwater tank 6, rainwater utilization structure 7 and catch pit 8; Be provided with grid, its inside in inlet for stom water 1 and have the volume space that stops and do grit chamber for the rainwater short time, inlet for stom water 1 is communicated with abandoned stream grooves 2 by rain pipe 10; Top at abandoned stream groove 2 is provided with overfall, and abandoned stream groove 2 is communicated with early-stage rainwater by abandoned stream pipe 11 and stores processing wetland 4; Up concave type greenery patches 3 is lower than the road surface, is provided with permeable backfill layer below up concave type greenery patches 3; Early-stage rainwater stores processing wetland 4 and comprises early-stage rainwater storage pool 4-1 and process wetland 4-2, is provided with the partition wall 4-3 with water distributing pore 4-4 between early-stage rainwater storage pool 4-1 and processing wetland 4-2; Early-stage rainwater storage pool 4-1 connects abandoned stream pipe 11, and the water outlet of processing wetland 4-2 is communicated with municipal rain pipe 14 by perforated pipe 4-8, wetland drainage pipe 12 and catch pit 8; The elevation that interior several overflow wells 5 that arranges in up concave type greenery patches 3, the top of described overflow well 5 are provided with inlet opening, this inlet opening is higher than up concave type greenery patches 3 and lower than the overfall of abandoned stream groove 2; Overflow well 5 is communicated with stormwater tank 6 by water inlet pipe 13, and stormwater tank 6 is communicated with rainwater utilization structure 7; Rainwater utilization structure 7 comprises supply-water pump 15, water valve and hydrant 16, and supply-water pump 15 is arranged in stormwater tank 6, and hydrant 16 arranges on the ground, forms intake; Catch pit 8 is located in the up concave type greenery patches or the edge, and its top is provided with the inlet opening, and lower than the overfall of abandoned stream groove 2, the delivery port of catch pit 8 is communicated with municipal rain pipe 14 to this inlet opening elevation higher than the inlet opening of overflow well 5.
In the present embodiment:
Can be provided with PLC controller 9 in rainwater utilization structure 7, PLC controller 9 is established on the ground; At the interior content gauge 17 that arranges of stormwater tank 6, the input of PLC controller 9 connects the signal output part of content gauge 17, and the output of PLC controller 9 connects the control input end of supply-water pump 15, the control input end of water valve, consists of the Based Intelligent Control structure of rainwater reuse.In the early stage the top of rainwater storage pond 4-1 be provided with and draw clearly a mouthful 4-5, regularly to draw clearly the heavy mud in the pond, be provided with packing layer 4-7 and muskeg 4-6 in processing wetland 4-2, packing layer 4-7 and muskeg 4-6 possess the structure of removing various pollutants contained in early-stage rainwater and satisfying the discharging water quality requirement.Described road can be major trunk roads road, non-major trunk roads road, motorway, nonmotorized vehicle lane or other people trade.
Inlet for stom water 1 is provided in a side of the facility of road both sides collection rainwater.Be provided with grid in inlet for stom water, remove individual larger floating thing.There is certain volume inlet for stom water inside, and rainwater enters by the short time stop, plays the effect that doubles as grit chamber.The rainwater of inlet for stom water 1 is through the rain pipe 10 abandoned stream groove 2 of flowing through.
Abandoned stream groove 2 is used for initial rainwater discharge, is the rhone that the top is provided with overfall, and the overfall elevation is lower than the road surface elevation.Rhone is connected with initial rainwater discharge pipe 11.At first rainwater enters after abandoned stream groove 2 and to flow into early-stage rainwaters through abandoned stream pipe 11 and store and process wetlands 4, and after the initial stage rainwater storage was processed wetland 4 and is full of, the water level of abandoned stream groove can rise, and rainwater finally flows into up concave type greenery patches 3 from the overfall at abandoned stream groove 2 tops.The number of the inlet for stom water 1 that abandoned stream groove 2 connects can determine as the case may be, and each popular time of road rainwater of its upstream is as far as possible consistent, is beneficial to effective abandoned stream.
Up concave type greenery patches 3 is the Green spaces lower than the road surface certain altitude.Greenery patches below can also adopt the high permeable respond well native stone of porosity to carry out backfill, be beneficial to rainwater under ooze.There is the water storage effect in the up concave type greenery patches due to lower than peripheral road surface, adds the absorption viscous flow effect of its rainwater infiltration function and green plants, and rainfall runoff is significantly absorbed to be weakened, and the self-restraint recharge of groundwater.Vegetation can also be brought into play certain filtration adsorption function to rainwater.
Early-stage rainwater stores and processes wetland 4 is places that early-stage rainwater stores and processes.It is comprised of early-stage rainwater storage pool 4-1 and processing wetland 4-2 two large divisions, and middle partition wall 4-3 with being provided with water distributing pore 4-4 separates.Early-stage rainwater storage pool 4-1 connects abandoned stream pipe 11, and the water outlet of processing wetland 4-2 enters wetland drainage pipe 12 through perforated pipe 4-8, then enters municipal rain pipe 14 through catch pit 8.Early-stage rainwater storage pool 4-1 not only is used for rainwater storage, and also the further precipitation for rainwater provides good place.Early-stage rainwater storage pool 4-1 top is provided with draws clearly a mouthful 4-5, is used for regularly drawing clearly the heavy mud in the pond.Process in wetland 4-2 and establish filler 4-7 and muskeg 4-6, filler 4-7 and muskeg 4-6 design according to the rainwater processing requirements, can remove various pollutants contained in early-stage rainwater, and satisfy the discharging water quality requirement.When rainfall is arranged, the water level of early-stage rainwater storage pool 4-1 and processing wetland 4-2 can rise, will be discharged into catch pit 8 by wetland drainage pipe 12 after the drain height that arrives perforated pipe 4-8, perforated pipe 4-8 guarantees that lower than bypass channel 2 top overfalls early-stage rainwater can not pour in down a chimney back bypass channel 2.The flow of perforated pipe 4-8 calculates by waterpower and is controlled in rational numerical value, to guarantee that effluent quality meets the demands between flush period.Early-stage rainwater storage pool 4-1 and process total dischargeable capacity of wetland 4-2 is according to design water level before early-stage rainwater amount, single game rainfall wetland top dependable rainfall, rainfall, continue between flush period the combined factors such as rainwater time of staying and determine.The feature that has discontinuity for rainfall, when rainfall stopped, wetland drainage pipe 12 also can stop draining, the time of staying degradation of contaminant that the rainwater in early-stage rainwater storage pool 4-1 and processing wetland 4-2 will obtain to grow, the growth water that can also be used for muskeg is until next rainfall.At the beginning of 1, rain store to be processed the early-stage rainwater that wetland 4 can be admitted 1 or several inlets for stom water 1, and its disposal ability is corresponding to be determined as calculated.
Overflow well 5 is set in up concave type greenery patches 3 at a certain distance, be used for collects excessive rainwater in the up concave type greenery patches.The inlet opening is established at overflow well 5 tops, and elevation is lower than abandoned stream groove 2 overfalls, but higher than up concave type greenery patches certain altitude.Overflow well 5 water outlets are connected with stormwater tank water inlet pipe 13.
Stormwater tank 6 is located at below, up concave type greenery patches or other suitable position, is the device that stores up concave type greenery patches 3 overflowing rain waters, and its water outlet is connected with rainwater utilization structure 7.Supply-water pump 15 and content gauge 17 are set in the pond.Through oozing delay under up concave type greenery patches 3, and after the adsorption filtration of vegetation, the rainwater that enters stormwater tank 6 is comparatively clean, just can be used for greening water and the road water for cleaning of road in the pond after staticly settling after a while.Stormwater tank is provided with manhole, is used for overhaul of the equipments.Heavy mud in the pond need regularly be drawn clearly.1 stormwater tank 6 can connect the rainwater that 1 or several overflow wells 5 are collected.
Rainwater utilization structure 7 comprises supply-water pump 15, hydrant 16, PLC controller 9 and necessary pipeline valve facility thereof.Supply-water pump 15 is installed in stormwater tank 6, is used for pressurization and supplies water.Hydrant 16 is installed on the ground, for the waters such as greening water wagon provide intake.PLC controller 9 is established on the ground, and the input of PLC controller 9 connects the signal output part of content gauge 17, and the output of PLC controller 9 connects the control input end of supply-water pump 15, the control input end of water valve.Stormwater tank 6 waterlevel datas that PLC controller 9 obtains by content gauge 17, when lowest water level is above, control the keying of supply-water pump 15 according to the instruction of using taps, when water level when stormwater tank 6 reaches lowest water level, with the start-up performance of sealing supply-water pump 15, and to pointing out low water stage information with water spot.
Catch pit 8 is located in the up concave type greenery patches or the edge, and its top is provided with the inlet opening, and this inlet opening elevation lower than the overfall of abandoned stream groove 2, is used for excessive rainwater in the overflow capture range higher than the inlet opening of overflow well 5, and its outlet is connected to municipal rain pipe 14.Process after wetland 4, up concave type greenery patches 3, stormwater tank 6 be full of rainwater in succession when the initial stage rainwater storage, excessive rainwater just enters municipal rain pipe 14 by catch pit 8.
The present embodiment 1 consists of intelligent control type Ecological Road shock resistance rainwater utilization system.
Specific embodiment 2:
With reference to Fig. 1, Fig. 3 and Fig. 4, the characteristics of the present embodiment are:
Be provided with AS 18 and control valve 19 in rainwater utilization structure 7, bury soil moisture inductor 20 underground in green space system, the output of soil moisture inductor 20 connects an input of PLC controller 9, and an output of PLC controller 9 connects the control input end of control valve 19.
During lower than certain value, PLC controller 9 can send instructions automatically, starts supply-water pump 15 and opens control valve 19, carries out automatic greening irrigation, and watering time is controlled when the data of soil moisture inductor 20 monitoring.Realize the fully-automatic intelligent control that the rainwater greening utilizes.
All the other 26S Proteasome Structure and Functions are identical with specific embodiment 1.
The present embodiment 2 consists of the intelligent control type Ecological Road shock resistance rainwater utilization system of automatic irrigation structure.
Specific embodiment 3:
The characteristics of the present embodiment are: on the basis of specific embodiment, remove PLC controller 9 and the interior content gauge 17 of stormwater tank 6 in rainwater utilization structure 7, consist of manual control type Ecological Road shock resistance rainwater utilization system.
Other specific embodiments:
the characteristics of other specific embodiments of the present invention are: in the vacant lot of two sides of road or greenbelt with on the ground, arrange and mainly comprise inlet for stom water 1, abandoned stream groove 2, up concave type greenery patches 3, early-stage rainwater stores processes wetland 4, overflow well 5, stormwater tank 6, rainwater utilization structure 7, the Artificial Control type road shock resistance ecologic rainwater management system that catch pit 8 and supply-water pump 15 consist of, perhaps arrange and mainly comprise inlet for stom water 1, abandoned stream groove 2, up concave type greenery patches 3, early-stage rainwater stores processes wetland 4, overflow well 5, stormwater tank 6, rainwater utilization structure 7, catch pit 8, PLC controller 9, AS 18, control valve 19, soil moisture inductor 20, the intelligent control type road shock resistance ecologic rainwater management system that supply-water pump 15 and content gauge 17 consist of.
All the other 26S Proteasome Structure and Functions are identical with specific embodiment 1.
in practical application, the Ecological Road shock resistance rainwater utilization system that above-mentioned specific embodiment is described is arranged on the side of road 50, article one, road can comprise an Ecological Road shock resistance rainwater utilization system, two Ecological Road shock resistance rainwater utilization systems, three Ecological Road shock resistance rainwater utilization systems, four Ecological Road shock resistance rainwater utilization systems, five Ecological Road shock resistance rainwater utilization systems, six Ecological Road shock resistance rainwater utilization systems, seven Ecological Road shock resistance rainwater utilization systems, eight Ecological Road shock resistance rainwater utilization systems, nine Ecological Road shock resistance rainwater utilization systems or ten above Ecological Road shock resistance rainwater utilization systems, the set Ecological Road shock resistance rainwater utilization system of same path can be that structure is identical, can be also that structure is not identical.What and structure of its Ecological Road shock resistance rainwater utilization system quantity can be according to the length of road and the ambient condition settings of periphery.Described Ecological Road shock resistance rainwater utilization system can be arranged on the one or both sides of road 50, and when being arranged on a side of road 50, the opposite side of road is sidewalk 30.
Because the nervous situation of water resource is more and more serious, rainwater is also the valuable lighter freshwater resources of contaminated degree, just can be used as people's miscellaneous water through simple processing, rainwater utilization not only can be opened up new water source, save city water resource, can also reduce rainwater surface runoff amount, reduce the danger that the rain disaster occurs, flood is become the water water source that promotes the well-being of mankind, obtain significant economic benefit, social benefit and environmental benefit.Simultaneously, the pollutant levels of early-stage rainwater are higher, and entrained pollutant also can not be ignored the pollution of discharging water body, and the road early-stage rainwater is particularly serious to the pollution of environment, early-stage rainwater held back to process have important ecological, environmental protective meaning.
Claims (4)
1. Ecological Road shock resistance rainwater utilization system, it is characterized in that: be arranged on the other vacant lot of road or greenbelt with on the ground, comprise that inlet for stom water (1), abandoned stream groove (2), up concave type greenery patches (3), early-stage rainwater store processing wetland (4), overflow well (5), stormwater tank (6), rainwater utilization structure (7) and catch pit (8); Be provided with grid, its inside in inlet for stom water (1) and have the volume space that stops and do grit chamber for the rainwater short time, inlet for stom water (1) is communicated with abandoned stream groove (2) by rain pipe (10); Top at abandoned stream groove (2) is provided with overfall, and abandoned stream groove (2) is communicated with early-stage rainwater by abandoned stream pipe (11) and stores processing wetland (4); Up concave type greenery patches (3) is provided with permeable backfill layer lower than the road surface in below, up concave type greenery patches (3); Early-stage rainwater stores processing wetland (4) and comprises early-stage rainwater storage pool (4-1) and process wetland (4-2), is provided with the partition wall (4-3) of band water distributing pore (4-4) between early-stage rainwater storage pool (4-1) and processing wetland (4-2); Early-stage rainwater storage pool (4-1) connects abandoned stream pipe (11), and the water outlet of processing wetland (4-2) is communicated with municipal rain pipe (14) by perforated pipe (4-8), wetland drainage pipe (12) and catch pit (8); Several overflow wells (5) are set in up concave type greenery patches (3), the elevation that the top of described overflow well (5) is provided with inlet opening, this inlet opening higher than up concave type greenery patches (3) lower than the overfall of abandoned stream groove (2); Overflow well (5) is communicated with stormwater tank (6) by water inlet pipe (13), and stormwater tank (6) is communicated with rainwater utilization structure (7); Rainwater utilization structure (7) comprises supply-water pump (15), water valve and hydrant (16), and supply-water pump (15) is arranged in stormwater tank (6), and hydrant (16) arranges on the ground, forms intake; Catch pit (8) is located in the up concave type greenery patches or the edge, its top be provided with inlet opening, this inlet opening elevation higher than the inlet opening of overflow well (5) lower than the overfall of abandoned stream groove (2), the delivery port of catch pit (8) is communicated with municipal rain pipe (14).
2. Ecological Road shock resistance rainwater utilization system according to claim 1, it is characterized in that: be provided with PLC controller (9) in rainwater utilization structure (7), PLC controller (9) is established on the ground; Content gauge (17) is set in stormwater tank (6), the input of PLC controller (9) connects the signal output part of content gauge (17), the output of PLC controller (9) connects the control input end of supply-water pump (15), the control input end of water valve, consists of the Based Intelligent Control structure of rainwater reuse.
3. Ecological Road shock resistance rainwater utilization system according to claim 2, it is characterized in that: be provided with AS (18) and control valve (19) in rainwater utilization structure (7), bury soil moisture inductor (20) underground in green space system, the output of soil moisture inductor (20) connects an input of PLC controller (9), and an output of PLC controller (9) connects the control input end of control valve (19).
4. the described Ecological Road shock resistance of arbitrary claim of according to claim 1 to 3 rainwater utilization system, it is characterized in that: in the early stage the top of rainwater storage pond (4-1) be provided with and manually draw clearly mouthful (4-5), regularly to draw clearly the heavy mud in the pond, be provided with packing layer (4-7) and muskeg (4-6) in processing wetland (4-2), packing layer (4-7) and muskeg (4-6) possess the structure of removing various pollutants contained in early-stage rainwater and satisfying the discharging water quality requirement.
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