Bioretention pond system

A bioretention pond and biofiltration technology, which is applied in waterway systems, sewage discharge, roads, etc., can solve the problems of poor rainwater treatment effect and easy vegetation erosion by rainfall, so as to alleviate the heat island effect, alleviate urban waterlogging, and enhance activity Effect

Pending Publication Date: 2019-02-26
MCC CAPITAL ENGINEERING & RESEARCH
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Problems solved by technology

[0004] In order to overcome the shortcomings of the existing bioretention ponds, the vegetation is easily washed by rainfall, and the rainwater treatment effect is not good.

Method used

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Embodiment Construction

[0023] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] A bioretention tank system, comprising a crushed stone energy dissipation area 3 and a biofiltration area 4, the bioretention tank system is located between the hardened road surface 9 and the sidewalk 10, and the hardened road surface 9 and the bioretention tank system are provided with Curb stone 8, the curb stone opening 2 of the curb stone 8 is correspondingly connected with the crushed stone energy dissipation area 3, the crushed stone energy dissipation area 3 is adjacent to the biofiltration area 4, and the biofiltration area 4 contains surfaces arranged in sequence from top to bottom Vegetation and sand filter layer, a drainage layer 11 is provided under the biofiltration area 4,...

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Abstract

The invention provides a bioretention pond system. The bioretention pond system comprises a gravel energy dissipation area (3) and a biofiltration area (4), wherein the bioretention pond system is located between a hardened road surface (9) and a sidewalk (10), kerb is arranged between the hardened road surface (9) and the bioretention pond system, the biofiltration area (4) comprises surface vegetations and a sand filter layer which are arranged in sequence from top to bottom, a drainage layer (11) is arranged under the biofiltration area (4), and the drainage layer (11) is internally provided with a perforated drainage pipe (6). The bioretention pond system has the advantages that the flow rate of rainwater in the bioretention pond system is slowed down by scouring rocks and diffusing flow paths, thereby avoiding scouring of the vegetations and sand filter media, through fine filtration, adsorption, biological absorption and other effects, pollutants in the rainwater are effectivelyremoved, and the bioretention pond system is flexibly applied in landscapes of various scales, such as residences, campuses, parking lots, suburban parks and roads.

Description

technical field [0001] The invention relates to the technical field of urban drainage and waterlogging prevention and non-point source pollution control, in particular to a bioretention pond system based on a sponge city. Background technique [0002] Sponge city refers to a city that can be like a sponge and has good "elasticity" in adapting to environmental changes and responding to natural disasters. When it rains, it absorbs, stores, infiltrates, and purifies water, and "releases" the stored water when needed. and take advantage of it. Sponge cities follow a low-impact development model that conforms to nature and coexists harmoniously with nature: traditional cities use land for high-intensity development, and sponge cities realize the harmonious coexistence of man and nature, land use, water environment, and water cycle; traditional urban development methods change The original water ecology is destroyed, and the sponge city protects the original water ecology; the co...

Claims

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Application Information

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IPC IPC(8): E03F1/00E01C11/22
CPCE01C11/223E03F1/00E03F2201/10Y02A30/60
Inventor 李楠饶雪峰张晓磊梁思懿
Owner MCC CAPITAL ENGINEERING & RESEARCH
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