CN204385854U - A kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect - Google Patents

A kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect Download PDF

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Publication number
CN204385854U
CN204385854U CN201420810453.6U CN201420810453U CN204385854U CN 204385854 U CN204385854 U CN 204385854U CN 201420810453 U CN201420810453 U CN 201420810453U CN 204385854 U CN204385854 U CN 204385854U
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rainwater
community
ecological
layer
haze
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刘波
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刘波
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/254Roof garden systems; Roof coverings with high solar reflectance
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/32Roof garden systems

Abstract

The utility model discloses a kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect, take community as unit, comprise the outdoor greening system that building roof builds, multiple ecological filter that Around Buildings is arranged and 1-2 landscape reservoir, the other ecological grass trench system arranged of parking lot, community, square and community's road; Advantage of the present utility model: by building greening system at building roof, ground arranges rainwater-collecting tank, ecological filter, ecological grass trench system etc., it is main for below the discharge regime of rainwater being oozed, covers underground water, annual for water catchment area in community rainfall runoff coefficient is controlled within 0.12-0.15, reaches the rainfall runoff factor design standard in greenery patches, national park.The temperature difference controls, within 1-3 DEG C, thoroughly to solve the waterlogging of urban community, haze and heat island effect, and give landscape function, forms Rain Garden system.

Description

A kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect
Technical field
The utility model relates to a kind of rain water collecting system, specifically a kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect.
Background technology
For a long time, China's urban development adopts the construction mode of stand large flat bread, no matter be the public infrastructure development such as housing development or road, square, network of underground, be mostly that the immoderate employing steel concrete of milli hardens, revolutionize the original ecology in earth's surface, increase rainfall runoff, cause rainwater resource to run off, urban wetland severe atrophy, underground water can not get effectively supplementing, urban ecological system is disorderly, and geological disaster happens occasionally.
The overvulcanization in city exacerbates urban waterlogging, haze and heat island effect, once rain for a long time, the rainwater if sewer can not in time, successfully be drained, just there will be serious urban waterlogging; High, large, on urban construction pattern, traditional monsoon passage is blocked, urban climate environment food steamer, adds that surface sealing causes deleterious particle in air to adhere to, haze degree is aggravated, and down town and suburb temperature difference are also increased to 8-13 degree suddenly by 1-3 degree.
In order to alleviate Urban Water Environment problem, a large amount of work has been done in current urban construction, water sector, but be all take beautifying city as target, greenery patches is built in region, add reservoir around water pump, reservoir generally adopts reinforced concrete to build, and cannot permeate, less consideration rainwater such as to be dissolved at the ecological functions, and urban waterlogging, haze and heat island effect still cannot thoroughly be administered.Therefore, how while urban construction, overcoming hardening illness, thoroughly solve urban waterlogging, haze and heat island effect, is city managers' problems in the urgent need to address.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of rainwater accumulation system that thoroughly can solve urban waterlogging, haze and heat island effect.
The technical solution of the utility model: a kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect, take community as unit, it is characterized in that, comprise the outdoor greening system that building roof builds, multiple ecological filter that Around Buildings is arranged and 1-2 landscape reservoir, the other ecological grass trench system arranged of parking lot, community, square and community's road; Wherein outdoor greening system comprises roof vegetable layer, hypothallus, filtration beds, drainage blanket, topping, waterproofing course from top to bottom successively, is embedded with gutter in drainage blanket; Gutter be arranged on side of buildings under let out pipe upper end and be connected, under let out pipe lower end and be connected with ecological filter by pipeline; Be provided with sand permeable formation in ecological filter, the bottom of sand permeable formation is underground layer; Landscape reservoir is made up of ecological vegetation layer, water body and sand permeable formation, the bottom of sand permeable formation is underground layer, in distance, landscape reservoir upper limb 2.5m-2.9m place is provided with overfall, and landscape reservoir communicates with the multiple guiding gutters be arranged in community; 10-15cm difference in height is set between ecological filter and landscape reservoir; In ecological grass trench system, segmentation echelon is provided with multiple weir divider, and weir divider top is provided with overfall; Also be provided with ecological vegetation layer, bark covering layer, soil removal and replacement layer, permeable formation, layer of gravel in ecological grass trench system, be embedded with multiple perforated drain pipe between permeable formation and layer of gravel, ecological grass trench system is communicated with landscape reservoir by guiding gutter.
As a preferred version, at Around Buildings, existing space is provided with multiple rainwater-collecting tank, the upper edge of rainwater-collecting tank is provided with overflow conduit, and overflow conduit is communicated with ecological filter by guiding gutter, rainwater-collecting tank by pipeline with let out pipe under side of buildings and be communicated with.
As another preferred version, around landscape reservoir, set up perspective fence.
As another preferred version, water balcony is set in landscape reservoir.
During rainfall, rainwater is in the outdoor greening system accumulation of building, and roof vegetable layer plays the effect of filtration, purification to early-stage rainwater.After filtration beds is full, stormwater overflow by gutter, under let out pipe and enter rainwater-collecting tank, after rainwater-collecting tank storage full water, flow into ecological filter by overflow conduit, guiding gutter.Meanwhile, ecological filter and ecological grass trench system also carry out preliminary purification filtration to rainwater, and it is main for below oozing covering underground water.The rainwater of overflow is by the overfall on multiple weir dividers of subsection setup in ecological grass trench system, and echelon enters landscape reservoir, or enters landscape reservoir by guiding gutter.
In storm period, the rainwater of overflow enters the municipal drainage pipeline be connected with community by the overfall on landscape reservoir top, substantially do not have waterlogging risk in community.
Advantage of the present utility model: the utility model take community as unit, by building greening system at building roof, ground arranges rainwater-collecting tank, ecological filter, ecological grass trench system etc., it is main for below the discharge regime of rainwater being oozed, covers underground water, annual for water catchment area in community rainfall runoff coefficient is controlled within 0.12-0.15, reaches the rainfall runoff factor design standard in greenery patches, national park.The temperature difference controls, within 1-3 DEG C, thoroughly to solve the waterlogging of urban community, haze and heat island effect, and give landscape function, forms Rain Garden system.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model
Fig. 2 is the structural representation of outdoor greening system
Fig. 3 is the structural representation of ecological filter
Fig. 4 is the structural representation of rainwater-collecting tank
Fig. 5 is the structural representation of landscape reservoir
Fig. 6 is the structural representation of ecological grass trench system
In figure: 1, building, 2, outdoor greening system, 2.1, roof vegetable layer, 2.2, hypothallus, 2.3, filtration beds, 2.4 drainage blanket, 2.5, topping, 2.6, waterproofing course, 3, gutter, 4, under let out pipe, 5, ecological filter, 6, rainwater-collecting tank, 6.1, overflow conduit, 7, guiding gutter, 8, landscape reservoir, 8.1, ecological vegetation layer, 8.2, water body, 8.3, sand permeable formation, 8.4, underground layer, 8.5, perspective fence, 8.6, water balcony, 9, parking lot, 10, road, 11, ecological grass trench system, 11.1, ecological vegetation layer, 11.2, bark covering layer, 11.3, soil removal and replacement layer, 11.4, permeable formation, 11.5, layer of gravel, 12, weir divider, 12.1 overfalls, 13, perforated drain pipe.
Detailed description of the invention
Now by reference to the accompanying drawings, technology contents of the present utility model is further illustrated.
Seeing figures.1.and.2, is unit with community, and the roof of the building 1 in community builds outdoor greening system 2; Outdoor greening system 2 comprises roof vegetable layer 2.1, hypothallus 2.2, filtration beds 2.3, drainage blanket 2.4, topping 2.5, waterproofing course 2.6 from top to bottom successively, is embedded with gutter 3 in drainage blanket 2.4.The roof of building 1 is transformed into green garden by original armored concrete slab, the green plants that roof vegetable layer 2.1 selects absorption affinity strong, hypothallus 2.2 is selected good water permeability, appropriate thickness, can be conserved the soil of appropriate rainwater, can thermal insulation, alleviating urban heat island effect; Can also beautify the environment, purify air.
With reference to Fig. 1, Fig. 3 and Fig. 4, around building 1, ecological filter 5 and rainwater-collecting tank 6 are set according to existing space, the side of building 1 is provided with down lets out pipe 4, under let out pipe 4 upper end and be connected with gutter 3, under let out pipe 4 lower end and be communicated with rainwater-collecting tank 6, ecological filter 5 by pipeline; Be provided with sand permeable formation 8.3 in ecological filter 5, the bottom of sand permeable formation 8.3 is underground layer 8.4, and the upper edge of rainwater-collecting tank 6 is provided with overflow conduit 6.1, and overflow conduit 6.1 is communicated with ecological filter 5 by guiding gutter 7.The rainwater of overflow in outdoor greening system 2 by gutter 3, under let out pipe 4 and flow in rainwater-collecting tank 6 and ecological filter 5, the rainwater flowing into rainwater-collecting tank 6 can be used for community's greening, irrigating plant, when rainfall increases suddenly, the rainwater in rainwater-collecting tank 6 then flows into ecological filter 5 by overflow conduit 6.1; The rainwater flowing into ecological filter 5 enters underground layer 8.4, with recharge of groundwater by sand permeable formation 8.3.
With reference to Fig. 1 and Fig. 5, in community, arrange 1 landscape reservoir 8 according to existing space, landscape reservoir 8 is made up of ecological vegetation layer 8.1, water body 8.2 and sand permeable formation 8.3, and the bottom of sand permeable formation 8.3 is underground layer 8.4; Landscape reservoir 8 communicates with the multiple guiding gutters 7 be arranged in community.In distance, landscape reservoir 8 upper limb 2.5m-2.9m place is also provided with overfall 12.1, the rainwater under extreme condition of raining, enters municipal storm sewer by this overfall 12.1 overflow.Set up perspective fence 8.5 around landscape reservoir 8, be conducive to ensureing community resident's safety.Water balcony 8.6 is set in landscape reservoir 8, facilitates that resident is hydrophilic to be viewed and admired.At landscape reservoir 8 water surface, implant the plant of well developed root system, can purifying water body, increase landscape function.
10-15cm difference in height is set between ecological filter 5 and landscape reservoir 8, is convenient to rainwater nature seepage flow.
With reference to Fig. 1 and Fig. 6, with community's road 10 for skeleton, in parking lot, community 9, square and community's road 10 are other arranges crisscross ecological grass trench system 11, and in ecological grass trench system 11, segmentation echelon is provided with multiple weir divider 12, and weir divider 12 top is provided with overfall 12.1; Ecological vegetation layer 11.1, bark covering layer 11.2, soil removal and replacement layer 11.3, permeable formation 11.4, layer of gravel 11.5 is also provided with in ecological grass trench system 11, multiple perforated drain pipe 13 is embedded with between permeable formation 11.4 and layer of gravel 11.5, perforated drain pipe 13 is drilled with multiple hole and is formed on common gutter, to increase penetrating power.Ecological grass trench system 11 is communicated with landscape reservoir 8 by guiding gutter 7.When raining, the rainwater around road 10 and building 1 flows into landscape reservoir 8 and ecological grass trench system 11 by guiding gutter 7, the rainwater infiltration recharge of groundwater of accumulation in landscape reservoir 8, ecological grass trench system 11.When rainfall increases suddenly, the rainwater of overflow is by the overfall 12.1 on multiple weir dividers 12 of subsection setup in ecological grass trench system, and echelon enters landscape reservoir 8, or enters landscape reservoir 8 by guiding gutter 7.
The utility model take community as unit, configures the For Stormwater Drainage System not adopting reinforced concrete to build, does not separately build rain drainage pipe, effectively can cover underground water, prevent urban waterlogging in community; Roof builds outdoor greening system 2, in ecological grass trench system 11, landscape reservoir 8, cultivate vegetation, can not only purifying water body, beautify the environment, can also effectively solve city haze and heat island effect, build safety, a comfortable living environment.
Now for City in South China community, illustrate in this region by building the improvement situation of waterlogging, haze and heat island effect after the utility model rainwater accumulation system.
The area of this community: 500m*500m=250000 ㎡, the area designing landscape reservoir 8 in community is 30m*30m=900 ㎡.
The weather conditions of this community: the moistening monsoon climatic region being located in middle subtropical zone transition, have a moderate climate, make a clear distinction between the four seasons, and heat is abundant, and rainwater is concentrated, superior natural conditions, are applicable to various crop growth.Temperature on average over the years is 16.2 DEG C, and Extreme Maximum Temperature is 40 DEG C, and Annual lowest climate temperature is subzero 11 DEG C; Average rainfall over the years is 1373 millimeters, and maximum daily rainfall is 251 millimeters, and maximum wind velocity is 22 meter per seconds.
In existing outdoor drainage design, general Designed recurrence period is 2 years chances, and rainfall runoff coefficient is 0.8, and namely the rainwater of 80% enters municipal Storm Sewer Network by row of conduits, under Severe rainstorm condition, easily causes community's waterlogging.And the rainwater accumulation system recurrence interval of the present utility model gets 20 years chances, comprehensive runoff coefficient value 0.12-0.15 is the runoff coefficient value standard in greenery patches, national park.Designed recurrence period refers to during longer statistics, and the rainfall being equal to or greater than a certain average rainfall occurs once for how many years; Runoff coefficient refers to the runoff water yield of certain catchment area and the ratio of amount of precipitation, and value is from 0-1, and the larger runoff of numeral is larger, and the rainwater of the less accumulation of numeral is more.
Assuming that under the extreme case of maximum daily rainfall 251 millimeters, 2615m3 is reached according to calculating amount of precipitation per hour, namely amount of precipitation per hour is in 10 millimeter, roof garden, ecological filter, ecological grass ditch, landscape reservoir overall operation, to have staggered rainfall runoff peak period, operated steadily, the rainwater of excess enters municipal Storm-water sewer net by overfall 12.1 overflow that landscape reservoir 8 is arranged, no longer build Storm Sewer Network in community, can reduce investment outlay.And under general condition of raining, in community, rainwater need not enter municipal Storm Sewer Network substantially.The depth of water of the non-flush period of landscape reservoir 8 and general flush period is to meet view needs, and water level remains on 1-1.5m safety depth and is advisable, the perspective fence 8.5 that periphery is set up, and is conducive to ensureing community resident's safety.Add upper reservoir side slope naturally to extend, and the water balcony 8.6 arranged, be convenient to that community resident is hydrophilic to be viewed and admired.Through soil remediation and global optimization layout, flush period community Rain Garden system can be dissolved 15 millimeters per hour of rainwater, the rainwater of accumulation to be permeated the ground water body naturally by permeable soil horizon at ordinary times, community does not have waterlogging risk substantially, by the comprehensive ecological afforestation transformation in roof and community, community's heat island effect is also down to 1-3 DEG C, and community's airborne dust disappears substantially, in Community, Green plant adsorb atmospheric, the ability of haze particle strengthens, thus decreases haze phenomenon.
Any the community of city and country (bag live in industry, agricultural, mine, school, hospital etc.) all can in conjunction with the concrete condition flexible arrangement Rain Garden system of local space and weather conditions.No matter be reconstruction of old area, or new district is built, rainwater accumulation system can play effective effect.Under the geomorphologic conditions that landform height rises and falls, the rain-water accumulating streaming system done things by following nature more can embody the function of accumulation rainwater and view.

Claims (4)

1. one kind solves the rainwater accumulation system of urban waterlogging, haze and heat island effect, take community as unit, it is characterized in that, comprise the outdoor greening system that building roof builds, multiple ecological filter that Around Buildings is arranged and 1-2 landscape reservoir, the other ecological grass trench system arranged of parking lot, community, square and community's road; Wherein outdoor greening system comprises roof vegetable layer, hypothallus, filtration beds, drainage blanket, topping, waterproofing course from top to bottom successively, is embedded with gutter in drainage blanket; Gutter be arranged on side of buildings under let out pipe upper end and be connected, under let out pipe lower end and be connected with ecological filter by pipeline; Be provided with sand permeable formation in ecological filter, the bottom of sand permeable formation is underground layer; Landscape reservoir is made up of ecological vegetation layer, water body and sand permeable formation, the bottom of sand permeable formation is underground layer, in distance, landscape reservoir upper limb 2.5m-2.9m place is provided with overfall, and landscape reservoir communicates with the multiple guiding gutters be arranged in community; 10-15cm difference in height is set between ecological filter and landscape reservoir; In ecological grass trench system, segmentation echelon is provided with multiple weir divider, and weir divider top is provided with overfall; Also be provided with ecological vegetation layer, bark covering layer, soil removal and replacement layer, permeable formation, layer of gravel in ecological grass trench system, be embedded with multiple perforated drain pipe between permeable formation and layer of gravel, ecological grass trench system is communicated with landscape reservoir by guiding gutter.
2. a kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect according to claim 1, it is characterized in that, at Around Buildings, existing space is provided with multiple rainwater-collecting tank, the upper edge of rainwater-collecting tank is provided with overflow conduit, overflow conduit is communicated with ecological filter by guiding gutter, rainwater-collecting tank by pipeline with let out pipe under side of buildings and be communicated with.
3. a kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect according to claim 1 and 2, is characterized in that, set up perspective fence around landscape reservoir.
4. a kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect according to claim 1 and 2, is characterized in that, in landscape reservoir, arrange water balcony.
CN201420810453.6U 2014-12-21 2014-12-21 A kind of rainwater accumulation system solving urban waterlogging, haze and heat island effect Active CN204385854U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104532938A (en) * 2014-12-21 2015-04-22 刘波 Rainwater storage system for avoiding urban inland inundation, haze and heat island effects
CN105735452A (en) * 2016-03-25 2016-07-06 北京大学 Sponge urban unit system
CN107893469A (en) * 2017-11-13 2018-04-10 广州普邦园林股份有限公司 One kind oozes row's integral system based on sponge urban rainwater
CN110485530A (en) * 2019-07-25 2019-11-22 天一建设发展有限公司 A kind of municipal administration rainwater-collecting building structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104532938A (en) * 2014-12-21 2015-04-22 刘波 Rainwater storage system for avoiding urban inland inundation, haze and heat island effects
CN104532938B (en) * 2014-12-21 2016-05-11 刘波 A kind of rain-water accumulating that solves city waterlogging, haze and tropical island effect stays system
CN105735452A (en) * 2016-03-25 2016-07-06 北京大学 Sponge urban unit system
CN107893469A (en) * 2017-11-13 2018-04-10 广州普邦园林股份有限公司 One kind oozes row's integral system based on sponge urban rainwater
CN110485530A (en) * 2019-07-25 2019-11-22 天一建设发展有限公司 A kind of municipal administration rainwater-collecting building structure

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