Ecological utilization method and system for rainwater collection, purification, regulation and storage in sponge urban community

A rainwater collection and sponge city technology, applied in waterway systems, sewage discharge, water supply devices, etc., can solve the problems of limited rainwater utilization functions, achieve the effects of relieving pressure, improving the ecological environment, and reducing operation and maintenance costs

Pending Publication Date: 2018-03-06
湖南大辰环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Although the above-mentioned applications all involve the purification, storage and utilization of rainwater, their function of utilizing rainwater is limited and needs to be improved.

Method used

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  • Ecological utilization method and system for rainwater collection, purification, regulation and storage in sponge urban community
  • Ecological utilization method and system for rainwater collection, purification, regulation and storage in sponge urban community
  • Ecological utilization method and system for rainwater collection, purification, regulation and storage in sponge urban community

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as figure 1 As shown, an ecological utilization system for rainwater collection, purification, regulation and storage in a sponge city community includes a collection and transportation unit for collecting rainwater in the community, a purification treatment unit for sedimentation, decomposition and purification of the collected rainwater, and storage and utilization of the purified rainwater. The storage and storage unit 6 is provided with a control device communicated with the water unit 9. The storage and storage unit 6 is a landscape water body. In the region with little rain in the north, the area of ​​the landscape water body is not higher than 1% of the area of ​​the community. In the region with abundant rainfall in the south, the area of ​​the landscape water body accounts for 2-4% of the area of ​​the community.

[0047] The control device includes a water level control driver 64, a water level probe 63, and a water pump 61. The water level probe 63 detec...

Embodiment 2

[0061] Such as Figure 4 As shown, the difference between this embodiment and the above embodiment is that the purification treatment unit includes gravel shallow ditch 2, rain garden 3, shallow water wetland 5, gravel shallow ditch 2 is located at the collection and delivery unit, and rain garden 3 is located at the gravel Between the stone shallow ditch 2 and the shallow water wetland 5, the shallow water wetland 5 is located at the storage adjustment and storage unit 6.

[0062] Such as Figure 5-Figure 6 As shown, the rainwater from the roof 7 enters the gravel shallow ditch 2 of the rainwater purification unit through the downpipe 8 arranged on the outer wall of each building.

[0063] Rain garden 3 filler thickness not less than 700mm, divided into cover layer, planting layer, transition layer, gravel layer.

[0064] The cover layer filler of rain garden 3 is bark or decomposed fibrous material, with a particle size of 40-60mm and a thickness of 50-100mm; the filler co...

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PUM

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Abstract

The invention relates to an ecological utilization method and system for rainwater collection, purification, regulation and storage in a sponge urban community. By a collection and transportation unit, rainwater in the urban community is collected and then converged into a cleansing treatment unit, the rainwater is subjected to precipitation, decomposition and purification treatment in the cleansing treatment unit and then flows into a storage, regulation and storage unit, the storage, regulation and storage unit is used for discharging the rainwater of the storage, regulation and storage unitaccording to self water quantity and use requirement to transport the rainwater to various water utilization units or store the rainwater. By utilizing current greening units in the community, the method and system can be used for regulation, storage and utilization of the rainwater after collection and purification, not only can pressure to municipal pipelines during a rainstorm be relieved andwaterlogging resistant capacity in the community be improved, but also the operation and maintenance costs of the community can be reduced.

Description

technical field [0001] The invention relates to a method and system for collecting, purifying, regulating and storing rainwater, in particular to a method and system for ecological utilization of rainwater collecting, purifying, regulating and storing rainwater in a sponge city community, and belongs to the technical field of sponge city construction. Background technique [0002] Sponge city is a brand-new urban construction concept proposed by the country to solve problems such as urban waterlogging, non-point source pollution, and serious damage to the urban water circulation system. Sponge city requires the city to have the functions of infiltration, stagnation, storage, purification, utilization and drainage of rainwater . [0003] Rainfall is a very important link in the natural water cycle system, and it is a natural source of recharge for rivers, lakes, ponds, artificial landscape water bodies, etc. It has obvious randomness, seasonality and unevenness. In the livin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F1/00E03F5/10
CPCE03F1/001E03F5/103
Inventor 唐宁远周腾耀熊静周杉李显涛阮键华
Owner 湖南大辰环保股份有限公司
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