CN106013386A - Serially-connected multi-level-rain-garden permeation system for existing residential areas - Google Patents
Serially-connected multi-level-rain-garden permeation system for existing residential areas Download PDFInfo
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- CN106013386A CN106013386A CN201610322138.2A CN201610322138A CN106013386A CN 106013386 A CN106013386 A CN 106013386A CN 201610322138 A CN201610322138 A CN 201610322138A CN 106013386 A CN106013386 A CN 106013386A
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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
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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Abstract
The invention discloses a serially-connected multi-level-rain-garden permeation system for the existing residential areas. The serially-connected multi-level-rain-garden permeation system comprises a plurality of roof gardens, a plurality of downpipes, a plurality of first-level rain gardens, a plurality of low group central green fields and a plurality of second-level rain gardens, wherein the elevation of the first-level rain gardens is higher than that of the second-level rain gardens, and the elevation of the second-level rain gardens is higher than that of third-level rain gardens. The serially-connected multi-level-rain-garden permeation system has the advantages that rainwater locally permeates into the underground through the permeation facilities including the multiple levels of rain gardens, the low green fields, the vegetation shallow ridges and the like, so that the groundwater resources are replenished; the rainwater permeates into the underground, so that the surface runoff is reduced, further, the flood disaster problem is alleviated, and in the rainwater permeation process, the soil plays the purification role; the low green fields, the vegetation shallow ridges and the rain gardens play the role of purifying the rainfall runoff; through the purification functions, the pollution problem of the surface water system can be alleviated.
Description
Technical field
The present invention relates to a kind of Rain Garden osmosis system, particularly relate to existing residential quarter storm sewer exhaust system.
Background technology
Rainwater discharge mainly dependence in residential quarter at present is laid rainwater underground piping specially and is realized, the most now
The technical method of the Planning of rainwater project used in each designing institute.General by the following steps:
1. amount of rainfall is estimated
Storm sewer draining technology is first with the relation letter between storm intensity q and rainfall duration t and return period p
Number i.e. Rain Intensity Formula Based carries out storm intensity calculating, then utilizes storm intensity, runoff coefficient and catchment area to estimate
Calculate the amount of rainfall of this planning region.
2. rainwater underground piping is arranged
According to the amount of rainfall of prediction, in conjunction with the present situation landform altitude gradient, rationally determine the caliber of storm sewer, the gradient.
Again according to residential quarter planning layout scenarios, forming a team and laying rainwater underground piping, by community under the road of community
Portion is by rainwater rainwater city planting ductwork outside tubing is emitted into community.Final rainwater be discharged directly into river,
In the surface drainages such as lake.
There is rainwater resource waste, aggravation flood generation and earth's surface in existing residential quarter storm sewer draining technology
The shortcoming of river pollution,
Specific as follows:
1. rainwater resource waste
For city, rainwater is the preferable water source of low water quality water.Rainwater belongs to slightly-polluted water, Qi Zhongsuo
The Organic substance contained is less, total hardness is little, dissolved oxygen content is high；And rainwater purification processes flow process is simple, is processed into
This is lower than sewage, and antibacterial and virus are lower than the pollution rate of sewage, and rainwater reuse is higher than the public reception of sewage purification,
Therefore can be used for the aspect such as reclaimed water, water for industrial use after rainwater purification, be to solve having of China's shortage of water resources
One of effect approach.But, the storm sewer draining technology that present residential quarter is used is then whole " discharge " by rainwater,
Cause a large amount of wastes of rainwater resource.
2. aggravation flood occurs
In the current rapid urbanization course of China, Elements of Urban Land Scale sharply increases, and impermeable along with ground
Ratio of mating formation water hardening improves day by day so that the most rainfall that originally should penetrate into underground are transformed into earth's surface
Runoff.But, the discharge of pipes technology that residential quarter is used generally uses concrete duct, changes infiltration in the past
The form of the bright ditch of vegetation, makes runoff not have any infiltration to cut down in the process, and facilitates the formation of flood peak.It addition,
Surface drainage before urbanization is filled in Process of Urbanization in a large number, causes residential quarter to lack the ground that rain-water accumulating is stagnant
Table water body.
3. aggravation surface drainage pollutes
Rainwater runoff pollution is one of important sources that in city, surface drainage pollutes, and is even classified as by EPA
River, the whole America and the third-largest polluter of lake pollution.Existing residential quarter storm sewer draining technology generally uses rain
Mouth of a river Accumulated Rainwater and the mode of storm sewer discharge, rainfall runoff carried a large amount of pollutant in Process of Confluence secretly,
As Hydrocarbon, heavy metal, vehicle produce oil pollution, pedestrian throw away conveniently rubbish, from greening of mating formation
Wash away the chip and pollutant etc..These impurity make rainwater runoff pollution serious, and the rainwater footpath after being contaminated
Flow and be emitted into this process of surrounding body by inlet for stom water and Stormwater Drainage System and carried under one's arms the rubbish accumulated in inlet for stom water
Rubbish, causes urban river and Water Environment In Lakes to deteriorate.
4. infrastructure investment is big
The present situation day by day taken place frequently for flood, existing residential quarter storm sewer draining technology is emphasized " to improve weight
Current and increase rainwater caliber to realize quick drain " rain flood coping strategy.According to China's latest edition " outdoor row
Water design specification 2011 editions " GB50014-2006 requirement to the return period, more than half design weight of China city
Current at present can not be up to standard.If " increasing storm sewer caliber " this unique mode that relies solely on is to alleviate flood
Disaster, then, nearly all China city is required for discarded existing rain pipe system and lays the rainwater of new increasing
Pipeline, this will bring heavy burden to urban finance.
System disclosed in the Chinese patent of invention entitled " a kind of ecological road shock resistance rainwater utilization system " includes
Inlet for stom water, abandoned stream groove, lower Low elevation greenbelt, early-stage rainwater store treatment wetland, overflow well, stormwater tank, rainwater profit
With structure and gully；It is provided with grid in inlet for stom water, has inside it for the stop of rainwater short time and make setting pot
Volume space, inlet for stom water connects abandoned stream groove by rain pipe；Be provided with overfall at the top of abandoned stream groove, abandoned stream groove leads to
Cross abandoned stream pipe connection early-stage rainwater and store treatment wetland；Lower Low elevation greenbelt is less than road surface, sets below lower Low elevation greenbelt
There is permeable backfill layer；Early-stage rainwater stores treatment wetland and includes early-stage rainwater storage pool and treatment wetland, early-stage rainwater
The partition wall of band water distributing pore it is provided with between storage pool and treatment wetland.
This invention primarily focuses on the rainwater utilization on roadside green belt, lays particular emphasis on serious pollution urban road rain
The initial Split-flow of water and infiltration utilize, and are not suitable for applying in the community that area is bigger, are especially difficult to many with community
Level Greenbelt planning combines.Set open stormwater tank had both been not suitable for the not enough northern area of rainfall and had used, its
Landscape effect is the most poor at north of china in winter.
System disclosed in the Chinese patent of invention entitled " urban rainwater drainage system " includes being arranged under asphalt road
Face, catch-basin against kerb, the oral area of catch-basin connects asphalt road by double-edged fine-toothed comb, and side, catch-basin top leads to
Crossing tapping pipe to be connected with inspection shaft top, inspection shaft is a part for sewer, and sewer is parallel with road, infiltration
Well straight cutting enters underground, and inspection shaft is arranged above with the manhole cover of activity, and tapping pipe becomes 15～25 degree with footpath road surface
Angle.
This patent of invention lays particular emphasis on the discharge of initial Split-flow ecology and the rain penetration of pipeline of road rain water.Should in community
Without reference to content in；The combination not accounted for and afforest, is not more suitable for the application of existing Urban re-development yet.
The China of invention entitled " a kind of urban residential district that processes collects the deflector type flow-turned water holding garden system of rainwater "
System disclosed in patent includes the deflector type water holding district being located in Low elevation greenbelt.This deflector type water holding district while with low
Gesture greenery patches while flushing and be provided with overflow outlet canal；One annular collecting vat is centered around the left side in described deflector type water holding district
Limit, following and the right；It is provided with multiple water inlet gap, at ring at the annular collecting vat outer wall near Low elevation greenbelt edge
Shape water leg is provided with a water holding district water inlet near the inwall of the following left part in deflector type water holding district；Hold at described deflector type
The plant growing district being arranged above with covering deflector type water holding district in pool.
This patent of invention lays particular emphasis on the residential quarter rainwater deflector type processing mode by garden, it is important that Low elevation greenbelt
On extend rainwater fashionable colors by baffling mode, increase under ooze to reduce simultaneously vegetation washed away.Many with community
Still have some deficits in the combination of level Greenbelt planning system, be not suitable for simply reusing in the community that area is bigger, do not have
The linking of You Yu community entirety mode of transportation considers.
System disclosed in the Chinese patent of invention entitled " green community impact resistance rainwater ecological utilization " includes
Build rain pipe, gutter, abandoned stream well, infiltration well, lower Low elevation greenbelt, grass planting shallow ridges, landscape water body, take out
Water pump, sparge pipe and ground hydrant.This rainwater ecological utilization system by rainwater from building roof via rain pipe,
Gutter and abandoned stream well is laggard enters to permeate well and permeate, enters landscape water body via Glassed swale the most again and purifies
With store, form a whole set of rainwater utilization system finally by suction pump, sparge pipe, hydrant.
" rainwater recycling system " is mainly emphasized in this invention, and this reclaiming system is unsuitable for the rain of northern area
Measure less condition, especially rainfall in winter and be difficult to rainwater reuse time less.Secondly, in this invention
Small water is not suitable in existing Urban re-development commonly used, because freezed in winter, exhaustion, landscape effect is poor；
Summer, the water surface was little, and easily raw fly worm of not flowing, the water surface easily pollutes.Again, the reclaiming system of this invention establishes one's own system,
Do not combine with the landscape layout of existing community, do not account for yet with the residence of community before and after greenery patches, greenery patches of forming a team,
The level of greenbelt in little residential region is the most ingenious to combine together.Finally, this invention lacks and the combination side of cordon traffic system
Formula designs, the road more serious especially for community rainwater pollution and parking area rainwater treatment without reference to.
Structure disclosed in the Chinese patent of invention entitled " housing cluster rainwater ecological exhaust system " includes: more than 1
Waterspout；More than 2 collection rain cup with early-stage rainwater stream abandoning system, multiple collection rain cups are correspondingly arranged at each respectively
The bottom of individual waterspout；3 are arranged on before house and the polylith female residence formed a team between road greenery patches after residence, and polylith is recessed
Before formula residence, after residence, greenery patches is connected by the overflow pipe on collection rain cup with the collection rain cup being correspondingly arranged respectively；4 female are formed a team
Central authorities greenery patches, has multiple tank excessively forming a team on road, before polylith female residence, after residence, greenery patches is set by correspondence respectively
The tank central greenery patches of forming a team with female of crossing put is connected；Female greenery patches central part of forming a team arranges one and is parallel to
The Glassed swale in residence direction；5 form a team Rain Garden, and Rain Garden of forming a team is arranged on the minimum side of Glassed swale elevation.
This patent of invention primarily focuses on the housing cluster that Area comparison is little, is formed by rainwater cup, concave green belt and rain
The independent completion system of spray garden composition, only single level system.This patent of invention only stresses in housing cluster greenery patches
Rain penetration utilize system；This patent of invention does not emphasize the tactful mode for northern existing community feature；Should
Patent of invention emphasizes rainwater cup rainwater reuse and concave green belt, the multiple target rainwater layout strategy of Rain Garden infiltration.
Summary of the invention
It is an object of the invention to the shortcoming being to overcome prior art, it is provided that rainwater is carried out by one as " resource "
Permeate on the spot, thus rainfall is carried out reduction, stores stagnant and postpone rain peak, realize sponge city and alleviate urban waterlogging
The string of disaster purpose continues the existing community of formula multistage Rain Garden osmosis system.
The string of the present invention continues the existing residential quarter of formula multistage Rain Garden osmosis system, and it includes:
A () multiple roof garden, described multiple roof gardens are arranged on the flat roof of house, existing residential quarter；
(b) multiple waterspout, the storm-water system phase of roof garden on described multiple waterspouts roof flat with house respectively
Even, rainwater is made to be converged in waterspout by roof garden storm-water system；
C () multiple first order Rain Garden, described multiple first order Rain Gardens are separately positioned on each water and fall
The bottom of pipe is also arranged on house and forms a team between road, and described multiple first order Rain Gardens are positioned at before residence after residence
In greenery patches, the rainwater that Roof of the house garden is collected is directly entered in first order Rain Garden by waterspout；Described
First order Rain Garden outward flange elevation less than greenery patches after residence before low gesture residence, before described low gesture residence, after residence, greenery patches is high
Journey is less than forming a team road；
D the low gesture of () polylith is formed a team central authorities greenery patches, the low gesture of described polylith forms a team central authorities' greenery patches elevation less than forming a team road,
Described road of forming a team be arranged on described low gesture form a team central authorities both sides, greenery patches, described low gesture form a team central authorities greenery patches
Central part parallel house direction arranges a Glassed swale and concentrates parking area to arrange a parking at each
The Glassed swale in district, the elevation of described Glassed swale is gradually lowered from cell edge lateral cell centre side, concentrates
The elevation of parking area Glassed swale is gradually lowered to cell edge side from community center side；
E () multiple second level Rain Garden, described multiple second level Rain Garden is arranged on Glassed swale end；
In the housing cluster that resident is movable, first order Rain Garden is respectively by the overflow pipe being correspondingly arranged and Glassed swale
It is connected or is directly connected with second level Rain Garden, so that the too much rainwater after the accumulation of first order Rain Garden
By overflow pipe input Glassed swale or second level Rain Garden, second level Rain Garden passes sequentially through and is correspondingly arranged
Overflow pipe and Glassed swale are connected with the third level Rain Garden in cell centre Low elevation greenbelt, so that the second level
Rain Garden rainwater to third level Rain Garden concentrate, the outlet of described third level Rain Garden by overflow pipe with
Community rainwater pipeline connection；In the parking area that parking stall is concentrated, it is positioned at the Glassed swale of parking area and is positioned at parking
The second level Rain Garden in district is joined directly together, and the second level Rain Garden of described parking area passes through overflow pipe and community
The rainwater pipeline arranged under peripheral driveway is connected, so that the second level rainwater in the rainwater self-stopping n district of parking area
The rainwater pipeline that garden is arranged under the driveway of periphery, community is concentrated, and described overflow pipe is laid on bottom road of forming a team；
Described first order Rain Garden, second level Rain Garden and third level Rain Garden are planted by plantation from top to bottom
Quilt, cover layer, plantation soil layer, filter layer, sand filter blanket and gravel blanket form, described first order Rain Garden
Elevation be higher than third level rainwater higher than the elevation of second level Rain Garden, the elevation of described second level Rain Garden
The elevation in garden；The elevation of the water inlet of described overflow pipe covers less than peripheral path and higher than the Rain Garden at place
Cap rock 15～25cm, described overflow pipe goes out head piece elevation and higher than vegetation cover and is less than the another of place Rain Garden
The water inlet elevation of one overflow pipe.
Advantages of the present invention:
1 stresses to recover rain penetration utilizes
By osmosis plant such as multistage Rain Garden, Low elevation greenbelt, Glassed swales rainwater infiltrated on the spot underground, from
And realize:
Supplementing groundwater resources, full subsoil water can be used for producing, living by resident's extraction, it is to avoid
Remote water transfer, indirectly alleviates shortage of water resources, reduces surface collapse；
Rain infiltration underground, decreases surface runoff, thus the problem alleviating flood；
During rain infiltration, soil serves purification function；Low elevation greenbelt, Glassed swale, Rain Garden pair
Rainfall runoff is all purified.These purification functions can reduce the pollution problem of surface drainage.
2 increase the stagnant space of rain-water accumulating
By the water storage space of roof garden, the water storage space of Glassed swale, the water storage space of Rain Garden, by rain
Water stores stagnant on the spot, thus realizes:
The delay of rain flood flood peak is discharged and avoids the peak hour, and alleviates effectiveness factors problem；
The water source of the landscape plant increasing residential quarter supplements.
3 postpone runoff time to peak
After the rain-water accumulating of upper level Rain Garden is full just can overflow to next stage Rain Garden, therefore by multistage rainwater
This overflow manner step by step of garden system, in conjunction with the rainwater flow process of Low elevation greenbelt and Glassed swale so that rainwater footpath
Stream runoff time to peak while continuous reduction constantly postpones, and this delay contributes to the alleviation of urban waterlogging disaster.
Rainwater discharge landscape plantings at different levels with community are combined by 4 native systems
Carried out integral layout planning with elder generation commonly used in design at present by planner, then carried out by landscape architect
The Environment Design of the landscape planting of general layout, environment essay, leisure facilities etc., is finally carried out rainwater base by engineer
The method for designing of Infrastructure pipeline " supporting " distinguishes, this multistage Rain Garden system can with greenery patches before and after residence,
Greenery patches, the landscape planting system of greenbelt in little residential region of forming a team matches, environmental landscape Greenbelt planning and rainwater ecological is oozed storage
Combine, incorporate rainwater ecological by the transformation of existing community scenery and discharge.
5 reduce storm sewer investment
" ' the continuous formula of string ' existing community multistage Rain Garden osmosis system " constructed by the present invention by infiltration and stores
Stagnant realization is to the reduction of rainfall and the delay at rain peak, it is possible to reduce increase the investment of storm sewer caliber.Existing little
District's transformation can retain the existing storm sewer in present situation community, meet the higher return period by the transformation of view
Design requirement, thus realize the construction object in sponge city.
6 are applicable to existing Urban re-development
" ' the continuous formula of string ' existing community multistage Rain Garden osmosis system " constructed by the present invention can not change
In the case of original residential quarters layout and main building, roof modified for roof garden, greening turf by putting down
It transform Low elevation greenbelt, locally greenery patches as to transform the measure of multistage Rain Garden as and realize oozing on the spot of existing community rainwater
Thoroughly.This pattern can be Tong Bu with subdistrict greening landscape renovation, had both beautified community scenery, and had reached again minimizing rain
The purpose of water rainwash, does not the most change on a large scale to building.
Rainwater separating infiltration or discharge are dissolved in human and vehicle shunting traffic transformation by 7
By the landscape renovation to existing community, it is achieved human and vehicle shunting designs, and is led to by the rainwater polluted because garage makes
Cross Glassed swale and Rain Garden carry out preliminary soil sanitation after enter periphery, community Stormwater Drainage System；Less pollution
Sidewalk by multistage Rain Garden organize cell centre Rain Garden carry out permeate recharge of groundwater.Therefore
Achieved by human and vehicle shunting and rainwater separating is permeated or discharge.
8 are applicable to the less area of rainfall, the north
Glassed swale, Low elevation greenbelt, Rain Garden all have Afforestation Landscape effect, are meeting community scenery effect
Simultaneously, it is adaptable to the rain penetration in the case of north rainfall is less.It is limited stores stagnant space in the more river of rainfall
Area, south is the most inadequate.
9 native systems mainly stress the residential quarter that area is bigger, emphasize to be passed by multistage Rain Garden system " the continuous formula of string "
Enter composition, emphasize rainwater is permeated to multistage Rain Garden from the roof in source Sources controlling theory step by step that successively decrease；
Native system stresses the storm water management strategy of community integral layout, emphasizes to be passed through by auto-pollution rainwater by traffic organization
Rain Garden infiltration purifies periphery, backward community and enters pipeline, emphasizes that the uncontaminated rainwater of people zone of action is in community
The multistage Rain Garden infiltration of portion's view core；The many northern multilamellar in native system roof little mainly for rainfall, flat was both
Having community, the shortage traffic organization of these existing communities is stopped everywhere, hardening ratio is high, rainfall runoff is big, by flat room
Top transform roof greening as, landscape planting transform multistage Rain Garden system as, traffic halt transform autonomous system as
And discharge after being permeated by rainwater purification, thus the rain penetration realizing northern existing community utilizes.Native system stress from
The existing community low cost infiltration of roof garden, source, concave green belt, Glassed swale and multistage Rain Garden utilizes.
Accompanying drawing explanation
Fig. 1 is the site plan of the continuous existing community of formula of the string multistage Rain Garden osmosis system of the present invention；
Fig. 2 is the A-A longitudinal sectional drawing of the osmosis system shown in Fig. 1；
Fig. 3 is the B-B transverse cross-sectional view of the osmosis system shown in Fig. 1；
Fig. 4 is the C-C longitudinal sectional drawing of the overflow pipe in the osmosis system shown in Fig. 1.
Detailed description of the invention
String of the present invention continues the existing residential quarter of formula multistage Rain Garden osmosis system as shown in drawings, and it includes:
A () multiple roof garden 1, described multiple roof gardens are arranged on the flat roof of house, existing residential quarter.
(b) multiple waterspout 2, the storm-water system of roof garden on described multiple waterspouts roof flat with house respectively
It is connected, makes rainwater be converged in waterspout by roof garden storm-water system；
C () multiple first order Rain Garden 3, described multiple first order Rain Gardens are separately positioned on each water and fall
The bottom of pipe 2 is also arranged on house and forms a team between road, and described first order Rain Garden 3 is positioned at before residence after residence
In greenery patches 4, the rainwater that Roof of the house garden 1 is collected is directly entered first order Rain Garden 3 by waterspout 2
In；Described first order Rain Garden 3 outward flange elevation is less than greenery patches 4 after residence before low gesture residence, in order to polylith is low
The rain penetration that before gesture residence, after residence, greenery patches 4 is not accommodated enters first order Rain Garden 3, before described low gesture residence
After residence, greenery patches 4 elevation is less than forming a team road；
D the low gesture of () polylith is formed a team central authorities greenery patches 6, the low gesture of described polylith forms a team central authorities' greenery patches elevation less than forming a team road,
Described road of forming a team be arranged on described low gesture form a team central authorities both sides, greenery patches, described low gesture form a team central authorities greenery patches
Central part parallel house direction arranges a Glassed swale 7 and concentrates parking area to arrange one and stop at each
The Glassed swale 7 in car district, the elevation of described Glassed swale 7 is gradually lowered from cell edge lateral cell centre side,
The elevation concentrating parking area Glassed swale is gradually lowered to cell edge side from community center side；
E () multiple second level Rain Garden 8, described multiple second level Rain Garden 8 is arranged on Glassed swale end；
In the housing cluster that resident is movable, first order Rain Garden 3 is connected with Glassed swale 7 by overflow pipe 5 respectively
Or directly it is connected with second level Rain Garden 8 so that the too much rainwater after first order Rain Garden 3 accumulation passes through
Overflow pipe 5 inputs Glassed swale 7 or second level Rain Garden 8, and second level Rain Garden 8 passes sequentially through overflow pipe 5
And Glassed swale 7 is connected with the third level Rain Garden 10 in cell centre Low elevation greenbelt 9, so that the second level
Rain Garden rainwater is concentrated to third level Rain Garden 10, and overflow is passed through in the outlet of described third level Rain Garden 10
The rainwater pipeline connection of Guan Yu community；In the parking area that parking stall is concentrated, it is positioned at Glassed swale 7 and the position of parking area
Second level Rain Garden 8 in parking area is joined directly together, and the second level Rain Garden 8 of described parking area is by overflowing
Flow tube is connected with the rainwater pipeline arranged under the driveway of periphery, community, so that the rainwater self-stopping n district of parking area
The rainwater pipeline that second level Rain Garden 8 is arranged under the driveway of periphery, community is concentrated, and described overflow pipe 5 is laid
Bottom road of forming a team；
Described first order Rain Garden 3, second level Rain Garden 8 and third level Rain Garden 10 from top to bottom by
Plantation vegetation, cover layer, plantation soil layer, filter layer, sand filter blanket and gravel blanket composition, described first order rain
The elevation in spray garden 3 is higher than the elevation of second level Rain Garden 8, and the elevation of described second level Rain Garden 8 is high
Elevation in third level Rain Garden 10.
The elevation of the water inlet 11 of described overflow pipe 5 is less than peripheral path the Rain Garden cover layer higher than place
15～25cm, so make Rain Garden internal water accumulation be in reasonable level all the time, prevent excessive rainfall in Rain Garden
Plant growing adversely affects, and described overflow pipe 5 goes out head piece 12 elevation higher than vegetation cover and less than place
The water inlet elevation of another overflow pipe of Rain Garden.Therefore this water inlet 11 can control Rain Garden water-storage depth,
And too much rainwater is gone out head piece 12 in overflow pipe 5 is delivered to next stage Rain Garden.Generally, three grades
Rain Garden can store the deep rainwater of stagnant 25cm by water inlet 11.For preventing plant defoliation and foreign material blocking water inlet
Mouthfuls 11 and go out head piece 12, preferably at the water inlet 11 of overflow pipe 5 with go out and arrange grid double-edged fine-toothed comb also at head piece 12
Periodic cleaning surface covering.
As shown in Figure 4, overflow pipe water inlet absolute altitude=Rain Garden absolute altitude+water-retention height, upper level Rain Garden
Overflow pipe water inlet absolute altitude is higher than the outlet absolute altitude of next stage Rain Garden, and overflow pipe outlet is arranged to inverted " u "
Font is to reduce plant defoliation and foreign material blocking.
Preferably can also be according to local rainfall situation, at the first order, the second level, the gravel of third level Rain Garden
Embedding in stone bed course have the perforated pipe that catchments, the first order, the second level, third level Rain Garden circumferentially under set respectively
Being equipped with cistern, the described perforated pipe that catchments is connected with cistern, is collected by the perforated pipe that catchments by rainwater after purification
It is delivered to cistern, reuse of being got up by rainwater storage.Cistern is provided with feed pump and access hole, and access hole is for becoming silted up
Mud and deposit cleaning use, feed pump can extract collecting rainwater for various reuse purposes.
The Low elevation greenbelt of native system refers to the greenery patches that absolute altitude is less than surrounding enviroment road or mats formation in square, has purification rain
Water runoff, to improve rain-water accumulating stagnant and infiltrate the advantage of effect.Its elevation arranges the rainwater that can ensure that peripheral bus face
Importing in Low elevation greenbelt, excessive rainfall is then discharged by Rain Garden overfall.Additionally for improving infiltration capacity,
Anatonosis facility can also be set.
Glassed swale is that a kind of being carried out by earth's surface irrigation canals and ditches processes runoff rainwater by gravity stream collection after vegetationization process
Engineering measure, can reach to collect the effect that delivering rainwater runoff, abatement flood peak and runoff pollution purify.It is horizontal
Section Design is frequently with trapezoidal, parabola shaped and Atria kind form.
Rain Garden, its English name is Rain Garden, is also called the biological delay pool, biological delaying basin or life
Thing delay tank, typically by pretreatment grass ditch, plantation vegetation, water reserve, cover layer, plantation soil layer, filter layer,
Sand filter blanket, gravel blanket, drainage system and overflow mechanism composition, be city rainfall runoff control, pollution of area source control
One of the most frequently used and of paramount importance mode in the LID development modes such as system.
Present invention achieves five step infiltrations and store stagnant, specific as follows:
1 existing apartment flat roof treatment in accordance with local conditions arranges roof garden or roof kitchen garden, it is achieved the first step of rainwater is oozed
Thoroughly store stagnant.Then rainwater is converged in waterspout by roof rain water system organization.
2 arrange first order Rain Garden bottom waterspout, and the Low elevation greenbelt rainwater at first order Rain Garden place realizes
Infiltrating on the spot of rainwater, too much rainwater enters first order Rain Garden, thus the second step infiltration realizing rainwater stores stagnant.
3 Central Green Spaces of forming a team use Low elevation greenbelt way equally, and elevation is formed a team road less than periphery, and form a team greenery patches central authorities
It is positioned parallel to architectural establishment Glassed swale, by periphery of forming a team to central authorities' charge for remittance, same at delivering rainwater of Glassed swale
Time achieve rainwater and infiltrate on the spot, be that the 3rd step infiltration of rainwater stores stagnant.
4 arrange second level Rain Garden in Central Green Spaces lowest part planning of forming a team, excess rainwater in first order Rain Garden
By Glassed swale or second level Rain Garden in overflow pipe overflow to Central Green Spaces of forming a team, and whole housing cluster
Rainwater rainwater of surplus after each facility retains infiltration the most all converges into second level Rain Garden, it is achieved that live
Form a team rainwater the 4th step infiltration store stagnant.
5 is same, is also adopted by Low elevation greenbelt way in the cell by periphery to central authorities' charge for remittance, second level rainwater in heart greenery patches
The too much rainwater in garden imports Glassed swale or third level Rain Garden by overflow pipe, and third level Rain Garden is to live
In community the core facility of rain infiltration achieve residential quarter rainwater the 5th step infiltration store stagnant.
Claims (4)
1. the continuous existing residential quarter of formula of string multistage Rain Garden osmosis system, it is characterised in that it includes:
A () multiple roof garden (1), described multiple roof gardens are arranged on the flat roof of house, existing residential quarter；
(b) multiple waterspout (2), the storm-water system of roof garden on described multiple waterspouts roof flat with house respectively
It is connected, makes rainwater be converged in waterspout by roof garden storm-water system；
C () multiple first order Rain Garden (3), described multiple first order Rain Gardens are separately positioned on each water and fall
Manage the bottom of (2) and be arranged on house and form a team between road, before described multiple first order Rain Gardens (3) are positioned at residence
After residence in greenery patches (4), the rainwater that Roof of the house garden (1) is collected is directly entered first order rain by waterspout (2)
In spray garden (3)；Described first order Rain Garden (3) outward flange elevation is less than greenery patches (4), institute after residence before low gesture residence
Before the low gesture residence stated, after residence, greenery patches (4) elevation is less than road of forming a team；
D the low gesture of () polylith is formed a team central authorities greenery patches (6), the low gesture of described polylith forms a team central authorities' greenery patches elevation less than forming a team road,
Described road of forming a team is arranged on described low gesture and forms a team central authorities both sides, greenery patches, forms a team central authorities' greenery patches central part in described low gesture
Bit parallel house direction arranges a Glassed swale (7) and concentrates parking area to arrange planting of a parking area at each
By shallow ridges (7), the elevation of described Glassed swale (7) is gradually lowered from cell edge lateral cell centre side, and concentration is stopped
The elevation of car regional vegetation shallow ridges is gradually lowered to cell edge side from community center side；
E () multiple second level Rain Garden (8), described multiple second level Rain Garden (8) are arranged on Glassed swale end
End；In the housing cluster that resident is movable, first order Rain Garden (3) respectively by the overflow pipe (5) that is correspondingly arranged with
Glassed swale (7) is connected or is directly connected with second level Rain Garden (8) so that first order Rain Garden (3)
Too much rainwater after accumulation is by overflow pipe (5) input Glassed swale (7) or second level Rain Garden (8), second level rain
Spray garden (8) passes sequentially through the overflow pipe (5) being correspondingly arranged and Glassed swale (7) and cell centre Low elevation greenbelt (9)
In third level Rain Garden (10) be connected so that second level Rain Garden rainwater to third level Rain Garden (10) collect
In, the outlet of described third level Rain Garden (10) is connected with community rainwater pipeline by overflow pipe；Concentrate on parking stall
Parking area in, the Glassed swale (7) being positioned at parking area and the second level Rain Garden (8) being positioned at parking area directly phase
Even, the second level Rain Garden (8) of described parking area is by overflow pipe and the rain pipe of setting under the driveway of periphery, community
Line is connected, so that the second level Rain Garden (8) in the rainwater self-stopping n district of parking area is arranged under the driveway of periphery, community
Rainwater pipeline concentrate, described overflow pipe (5) is laid on bottom road of forming a team；
Described first order Rain Garden (3), second level Rain Garden (8) and third level Rain Garden (10) are from up to
Under be made up of plantation vegetation, cover layer, plantation soil layer, filter layer, sand filter blanket and gravel blanket, described first order rain
The elevation in spray garden (3) is higher than the elevation of second level Rain Garden (8), the height of described second level Rain Garden (8)
Journey is higher than the elevation of third level Rain Garden (10)；The elevation of the water inlet (11) of described overflow pipe (5) is less than week
By-pass road the Rain Garden cover layer 15～25cm higher than place, it is high that described overflow pipe (5) goes out head piece (12) elevation
In vegetation cover the water inlet elevation of another overflow pipe less than place Rain Garden.
String the most according to claim 1 continues the existing residential quarter of formula multistage Rain Garden osmosis system, it is characterised in that:
Water inlet (11) in overflow pipe (5) and go out head piece (12) place and be provided with grid double-edged fine-toothed comb.
String the most according to claim 1 and 2 continues the existing residential quarter of formula multistage Rain Garden osmosis system, and its feature exists
In: described overflow pipe outlet is arranged to inverted " u " font.
String the most according to claim 1 and 2 continues the existing residential quarter of formula multistage Rain Garden osmosis system, and its feature exists
In: the first order, the second level, third level Rain Garden gravel blanket in embedding have the perforated pipe that catchments, the first order,
Two grades, third level Rain Garden be respectively arranged with down cistern, the described perforated pipe that catchments is connected with cistern,
Being collected by the perforated pipe that catchments by rainwater after purification and be delivered to cistern, described cistern is provided with feed pump and access hole.
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| CN201610322138.2A CN106013386A (en) | 2016-05-16 | 2016-05-16 | Serially-connected multi-level-rain-garden permeation system for existing residential areas |
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| CN201610322138.2A CN106013386A (en) | 2016-05-16 | 2016-05-16 | Serially-connected multi-level-rain-garden permeation system for existing residential areas |
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| CN106906888A (en) * | 2017-04-15 | 2017-06-30 | 苏州中海建筑设计有限公司 | A kind of residential quarter sponge urban facilities system |
| CN108222216A (en) * | 2018-03-26 | 2018-06-29 | 安阳师范学院 | A kind of rainwater ecological exhaust system and its construction method |
| CN108612171A (en) * | 2018-03-30 | 2018-10-02 | 嘉兴市规划设计研究院有限公司 | Building utilizes system with the control of cell rainwater |
| CN109138122A (en) * | 2018-08-27 | 2019-01-04 | 扬州大学 | A kind of three-dimensional integrated intelligent Rain Garden and its application method |
| CN109886476A (en) * | 2019-01-25 | 2019-06-14 | 武汉大学 | Urban Hydrologic process space model and land use method based on it |
| CN110886369A (en) * | 2019-12-03 | 2020-03-17 | 庄佳栋 | District rainwater garden structure |
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Application publication date: 20161012 |