Novel rainwater retention infiltration system

A technology of rainwater and infiltration, which is applied in waterway system, runoff/rainwater treatment, filtration treatment, etc. It can solve the problems of increasing the influent load of urban sewage plants, the decrease of soil permeability of the system, and affecting the total amount of rainwater runoff, etc., to achieve structural Simple, low maintenance cost, prevent system clogging effect

Pending Publication Date: 2017-08-29
广西益江环保科技股份有限公司 +1
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Problems solved by technology

[0004] These studies also mainly focus on system scale design and structure, pollutant removal effect, soil permeability, medium ratio of filling layer, hydrological effect, etc. Suspended matter and organic matter cause system blockage
The clogging of the surface soil of the ...

Method used

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  • Novel rainwater retention infiltration system

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Embodiment 1

[0032] A novel rainwater retention and infiltration system includes a pretreatment tank 1 and a retention and infiltration tank 2 . The pretreatment tank 1 is set outside the retention and filtration tank 2 . Specifically, the shape of the new rainwater retention and infiltration system can be rectangle, square, triangle, ellipse or circle, etc., or it can be arranged according to the topography of the site. The pretreatment tank 1 can be arranged on one side or multiple sides of the retention diafiltration tank 2 , or outside the retention diafiltration tank 2 in a ring shape.

[0033] The pretreatment tank 1 and the retention infiltration tank 2 are separated by a perforated partition.

[0034] The pretreatment tank 1 has built-in gravel, and the retention and infiltration tank 2 includes plants 21, aquifer 22, covering layer 23, planting soil layer 24, packing layer 25, isolation layer 26 and gravel layer 27 along the thickness direction. The gravel layer 27 of the retent...

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Abstract

The invention relates to the technical field of rainwater collection and processing, and discloses a novel rainwater retention infiltration system. The novel rainwater retention infiltration system comprises a pre-processing tank and a retention infiltration tank, wherein the pre-processing tank is arranged at the outer side of the retention infiltration tank; the pre-processing tank and the retention infiltration tank are separated by virtue of a perforated partition board; gravels are kept in the pre-processing tank; the retention infiltration tank is sequentially provided with plants, a water storage layer, a coverage layer, a planting soil layer, a packing layer, an isolating layer and a gravel layer in a thickness direction; a drainage pipeline is arranged in the gravel layer of the retention infiltration tank; an overflow pipe is vertically arranged in the retention infiltration tank; one end of the overflow pipe communicates with the drainage pipeline and the other end is exposed out of the retention infiltration tank; and a reoxygenation pipe is arranged in the packing layer. With the application of the system provided by the invention, stormwater runoff pollution load can be effectively reduced, rainwater runoff volume and peak can be diminished and the problem that the system gets blocked can be effectively prevented; and the system is simple in structure, low in maintenance cost, simple and feasible in implementation and broad in application scope.

Description

technical field [0001] The invention relates to the technical field of rainwater collection and treatment, and more specifically, to a novel rainwater retention and infiltration system. Background technique [0002] In recent years, the state has vigorously advocated the construction of sponge cities to improve the quality and safety of urban water environments. Rainwater retention and infiltration system is one of the typical measures of sponge city construction, also known as bioretention system, bioretention pond, rain garden, etc. Its main structure includes plants, planting soil layer, filling layer, isolation layer, gravel layer , through the synergistic effect of plants-soil (filler)-microbes, it has huge ecological benefits in terms of total surface rainwater runoff control, flood peak reduction, purification of stormwater runoff pollutants, urban landscape and groundwater recharge, and is cost-effective. The best low-impact development technology has achieved exten...

Claims

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Application Information

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IPC IPC(8): E03F5/10E03F5/14C02F9/14
CPCE03F5/10E03F5/14C02F9/00C02F1/001C02F2103/001C02F1/281C02F3/32C02F3/34
Inventor 吴慧玲罗声远陈涛韦金青孙全民胡湛波
Owner 广西益江环保科技股份有限公司
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