CN205712412U - Sunk type Rain Garden sponge system - Google Patents

Sunk type Rain Garden sponge system Download PDF

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Publication number
CN205712412U
CN205712412U CN201620309172.1U CN201620309172U CN205712412U CN 205712412 U CN205712412 U CN 205712412U CN 201620309172 U CN201620309172 U CN 201620309172U CN 205712412 U CN205712412 U CN 205712412U
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China
Prior art keywords
layer
rainwater
sunk type
type rain
rain garden
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CN201620309172.1U
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Chinese (zh)
Inventor
陈卫连
囤兴建
崔荣兵
沈健
夏冰
代通
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JIANGSU SHANSHUI ENVIRONMENT CONSTRUCTION GROUP Co Ltd
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JIANGSU SHANSHUI ENVIRONMENT CONSTRUCTION GROUP Co Ltd
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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

Abstract

The utility model discloses a kind of sunk type Rain Garden sponge system, including staged greenery patches and the foundation ditch being arranged at staged greenery patches sidepiece, plantation layer, nutrition soil layer, metalling and purifying layer from top to bottom it is provided with in described foundation ditch, being provided with microbial cleaning device and soakaway trench in described purifying layer, described soakaway trench utilizes pipeline to be connected with rainwater recycle.This utility model extends rainwater fashionable colors by staged greenery patches, and the foreign material such as the silt particle contained in rainwater, leaves are deposited in staged greenery patches, make rainwater obtain primary purification, reduces rainfall runoff simultaneously and washes away plantation layer;By the purification again of microbial cleaning device in the filtration of metalling and purifying layer, reduce the pollutant in rainwater, make rainwater be effectively utilized.

Description

Sunk type Rain Garden sponge system
Technical field
This utility model relates to a kind of Rain Garden system, particularly relates to a kind of sunk type Rain Garden sponge system in sponge urban construction.
Background technology
Rainwater is the important step in city water cycle and regional water blood circulation, and to regulation, supplementary regional water, improving the ecological environment plays extremely crucial effect.China is currently in the stage of High-speed Urbanization, and along with improving and economic fast development of the level of urbanization, urban rainwater problem the most more shows especially out, mainly shows as rainwater runoff pollution serious;Urban Flood Waterlogging increased risk;Rainwater resource runs off in a large number;Urban ecological environment destruction is serious.Due to various Permeable stratum areas substantial increase in city, traditional municipal storm-water system is it is emphasised that collect as early as possible and discharge city overland runoff, directly the rainwater not adding process is directly discharged to water body simultaneously, there are two drawbacks in this mode: 1. accelerates rainwater and collect to the water body of near cities, make water body crest discharge quickly form, low lying areas are caused bigger pressure;2. early-stage rainwater is mingled with a large amount of pollutant and directly threatens the environmental health of water body;3. traditional cities sewer cannot drain crest discharge the most completely, and effectiveness factors is easily caused in city by the rainwash quickly formed.Urban rainwater problem is not only the key factor of the restriction national economic development, and be to threaten people's health and the serious problem of society today of the security of the lives and property, while the flood bringing heavy rain and contamination accident are controlled by, again heavy rain is regarded as important water resource be used, it has also become the major issue that urban development at present faces.
Rain Garden arises at the historic moment as a kind of municipal landscape technique tackling rainfall runoff.Rain Garden is a kind of effective rainwater self-purification and disposal technology, is also a kind of biological delay facility.Typically it build the region that physical features is relatively low in, purify early-stage rainwater by natural soil or replacing Artificial Soil and planting plants, the rainwater that little area confluxes temporarily is detained simultaneously and the most slowly penetrates into soil, to reduce run-off.It is low because having expenditure of construction, and operational management is simple, natural beauty, the advantage such as is easily combined with view and is praised highly by many countries such as Europe, the United States, Australia and use, but at present in China's application seldom.
Owing to containing substantial amounts of organic pollution in early-stage rainwater runoff, runoff velocity is relatively big, and souring is obvious.When the rainfall runoff containing the foreign material such as silt particle, leaves enters Rain Garden, flow velocity declines, resistance to water-flow increases, the foreign material such as silt particle, leaves precipitate, are stranded in Rain Garden, accumulate over a long period and Rain Garden water purification ability and digestion capability will be caused to decline, be unfavorable for getting rid of in time and effectively utilizing of rainwater.And rainwater purification, the organic pollution in rainwater are only hardly resulted in process by the absorption of plant and the filtration of metalling by traditional Rain Garden, it is impossible to realize the effective utilization to rainwater.
Utility model content
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of sunk type Rain Garden sponge system is provided, rainwater fashionable colors is extended by staged greenery patches, the foreign material such as the silt particle that contains in rainwater, leaves are deposited in staged greenery patches, make rainwater obtain primary purification, reduce rainfall runoff simultaneously and plantation layer is washed away;By the purification again of microbial cleaning device in the filtration of metalling and purifying layer, reduce the pollutant in rainwater, make rainwater be effectively utilized.
For solving above-mentioned technical problem, this utility model provides a kind of sunk type Rain Garden sponge system, it is characterized in that, including staged greenery patches and the foundation ditch being arranged at staged greenery patches sidepiece, plantation layer, nutrition soil layer, metalling and purifying layer from top to bottom it is provided with in described foundation ditch, being provided with microbial cleaning device and soakaway trench in described purifying layer, described soakaway trench utilizes pipeline to be connected with rainwater recycle.
Further, described microbial cleaning device includes aerator and activated sludge.
Further, described activated sludge is aerobic activated sludge.
Further, described plantation layer, nutrition soil layer, metalling and purifying layer are provided with water blocking layer with the contact surface of described foundation ditch inwall.
Further, the material of described water blocking layer is plastics, rustless steel or pottery.
Further, described nutrition soil layer, be provided with geotextiles between metalling and purifying layer.
Further, described plantation layer is to have moisture-proof and the perennial herb of drought-enduring performance or shrub, and the height of described plantation layer is 30~70cm.
Further, described nutrition soil layer is uniformly mixed with the medium sand of 40% by the Chinese garden planting soil of 60%, and described nutrition the thickness of the layer is 30~55cm.
Further, the thickness of described metalling is 30~50cm.
Further, described purifying layer is antiseepage sand, and the thickness of described antiseepage sand is 40~60cm.
The beneficial effect that this utility model is reached: extending rainwater fashionable colors by staged greenery patches, the foreign material such as the silt particle contained in rainwater, leaves are deposited in staged greenery patches, make rainwater obtain primary purification, reduces rainfall runoff simultaneously and washes away plantation layer;By the purification again of microbial cleaning device in the filtration of metalling and purifying layer, reduce the pollutant in rainwater, make rainwater be effectively utilized.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
As it is shown in figure 1, a kind of sunk type Rain Garden sponge system, including staged greenery patches 1 and the foundation ditch being arranged at staged greenery patches 1 sidepiece.From top to bottom being provided with plantation layer 2, nutrition soil layer 3, metalling 4 and purifying layer 5 in described foundation ditch, described plantation layer 2, nutrition soil layer 3, metalling 4 and purifying layer 5 are provided with water blocking layer 6 with the contact surface of described foundation ditch inwall.The material of described water blocking layer 6 is plastics, rustless steel or pottery.It is provided with geotextiles 7 between described nutrition soil layer 3, metalling 4 and purifying layer 5.
Described plantation layer 2 is to have moisture-proof and the perennial herb of drought-enduring performance or shrub, and the height of described plantation layer 2 is 30~70cm.
Described nutrition soil layer 3 is uniformly mixed with the medium sand of 40% by the Chinese garden planting soil of 60%, and the thickness of described nutrition soil layer 3 is 30~55cm.
The thickness of described metalling 4 is 30~50cm.
Described purifying layer 5 is antiseepage sand, and the thickness of described antiseepage sand is 40~60cm.
Being provided with microbial cleaning device and soakaway trench 8 in described purifying layer 5, described microbial cleaning device includes aerator 9 and activated sludge 10, and described activated sludge 10 is aerobic activated sludge.Thered is provided the oxygen of abundance for aerobic activated sludge by aerator 9, the pollutant in rainwater are decomposed, make rainwater be purified by aerobic activated sludge.Described soakaway trench 8 utilizes pipeline to be connected with rainwater recycle, and the rainwater after soakaway trench 8 will purify absorbs and utilizes pipeline by rainwater recycle, is again recycled by rainwater.
This utility model extends rainwater fashionable colors by staged greenery patches, and the foreign material such as the silt particle contained in rainwater, leaves are deposited in staged greenery patches, make rainwater obtain primary purification, reduces rainfall runoff simultaneously and washes away plantation layer;By the purification again of microbial cleaning device in the filtration of metalling and purifying layer, reduce the pollutant in rainwater, make rainwater be effectively utilized.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make some improvement and deformation, these improve and deformation also should be regarded as protection domain of the present utility model.

Claims (10)

1. sunk type Rain Garden sponge system, it is characterized in that, including staged greenery patches and the foundation ditch being arranged at staged greenery patches sidepiece, plantation layer, nutrition soil layer, metalling and purifying layer from top to bottom it is provided with in described foundation ditch, being provided with microbial cleaning device and soakaway trench in described purifying layer, described soakaway trench utilizes pipeline to be connected with rainwater recycle.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, described microbial cleaning device includes aerator and activated sludge.
Sunk type Rain Garden sponge system the most according to claim 2, is characterized in that, described activated sludge is aerobic activated sludge.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, described plantation layer, nutrition soil layer, metalling and purifying layer are provided with water blocking layer with the contact surface of described foundation ditch inwall.
Sunk type Rain Garden sponge system the most according to claim 4, is characterized in that, the material of described water blocking layer is plastics, rustless steel or pottery.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, described nutrition soil layer, is provided with geotextiles between metalling and purifying layer.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, described plantation layer is to have moisture-proof and the perennial herb of drought-enduring performance or shrub, and the height of described plantation layer is 30~70cm.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, described nutrition soil layer is uniformly mixed with the medium sand of 40% by the Chinese garden planting soil of 60%, and described nutrition the thickness of the layer is 30~55cm.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, the thickness of described metalling is 30~50cm.
Sunk type Rain Garden sponge system the most according to claim 1, is characterized in that, described purifying layer is antiseepage sand, and the thickness of described antiseepage sand is 40~60cm.
CN201620309172.1U 2016-04-14 2016-04-14 Sunk type Rain Garden sponge system Active CN205712412U (en)

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Application Number Priority Date Filing Date Title
CN201620309172.1U CN205712412U (en) 2016-04-14 2016-04-14 Sunk type Rain Garden sponge system

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107514050A (en) * 2017-08-07 2017-12-26 中国建筑设计院有限公司 A kind of AO formula rainwater flower beds based on the storage of sponge urban rainwater, purification
CN107761897A (en) * 2017-09-11 2018-03-06 天津大学 Self contained underground stores and oozes system
CN108360644A (en) * 2018-01-22 2018-08-03 西安建筑科技大学 A kind of biology for solving collapsibility of loess is detained facility and base material improvement method
CN109056961A (en) * 2018-09-14 2018-12-21 重庆文理学院 It is a kind of environmental protection seep type Rain Garden
CN109469181A (en) * 2018-11-08 2019-03-15 江苏永通市政园林建设有限公司 A kind of sponge urban rainwater collection system
CN109845562A (en) * 2018-09-27 2019-06-07 北京北发生态园林有限公司 A kind of garden landscape rainwater accumulation integral method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107514050A (en) * 2017-08-07 2017-12-26 中国建筑设计院有限公司 A kind of AO formula rainwater flower beds based on the storage of sponge urban rainwater, purification
CN107761897A (en) * 2017-09-11 2018-03-06 天津大学 Self contained underground stores and oozes system
CN107761897B (en) * 2017-09-11 2020-01-03 天津大学 Self-contained underground storage and seepage system
CN108360644A (en) * 2018-01-22 2018-08-03 西安建筑科技大学 A kind of biology for solving collapsibility of loess is detained facility and base material improvement method
CN109056961A (en) * 2018-09-14 2018-12-21 重庆文理学院 It is a kind of environmental protection seep type Rain Garden
CN109845562A (en) * 2018-09-27 2019-06-07 北京北发生态园林有限公司 A kind of garden landscape rainwater accumulation integral method
CN109469181A (en) * 2018-11-08 2019-03-15 江苏永通市政园林建设有限公司 A kind of sponge urban rainwater collection system

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