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Permeable rain garden

A rain garden, infiltration technology, applied in the direction of removing sewage, water pollutants, water supply devices, etc., can solve the problems of limited rainwater purification capacity, limited water seepage capacity of planting soil layers, limited rainwater delay effect, etc., to achieve water treatment. Good effect, delay adjustment of rainwater, improve the effect of purification effect

Pending Publication Date: 2019-03-08
广州怡境景观设计有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the structure of the existing rain garden is generally planting soil layer, sand layer and gravel layer from top to bottom. The water seepage capacity of the planting soil layer is limited. In case of heavy rain, the rainwater will not have time to penetrate into the ground and overflow to the road surface. The sand layer and gravel layer have limited ability to purify rainwater, and generally rain gardens are equipped with drainage blind pipes in the gravel layer, and the rainwater is generally drained before it has time to stagnate and infiltrate, which has limitations on the delay effect of peak rainwater

Method used

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  • Permeable rain garden

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Embodiment Construction

[0020] In order to make the purpose, technical solution and beneficial technical effects of the present invention clearer, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention. It is not intended to limit the invention.

[0021] Such as figure 1 As shown, it is a schematic diagram of an embodiment of the permeable rain garden of the present invention. The permeable rain garden can be applied to the technical field of sponge city construction to realize the functions of dispersed treatment, delayed retention and purification of rainwater. The permeable rain garden in this embodiment The rain garden comprises a gravel layer (1), an overflow pipe (2), a primary rainwater regulation pond (3), and a secondary rainwater regulation pond (4), wherein the gravel layer (1) is located between...

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Abstract

The invention discloses a permeable rain garden, which comprises a sand gravel layer, an overflow pipe, a primary rainwater regulation pool and a secondary rainwater regulation pool. The sand gravel layer is positioned on the surface of the rain garden, and the overflow pipe is positioned at the junction of the sand gravel layer and an artificial filter material. The primary rainwater regulation pool is formed by the artificial filter material and permeable pool walls. The secondary rainwater regulation pool is arranged in the center of the primary rainwater regulation pool and formed by waterinlet grilles, pool walls, partition plates, cleaning pipes, pea gravel layers, sand filter layers, purifying layers and water outlets. The permeable rain garden realizes a rainwater decentralized treatment technique and has advantages of high permeability, delayed rainwater regulation, rainwater purification, low operating cost, effectiveness in water treatment, great landscape effects and the like.

Description

【Technical field】 [0001] The invention relates to the technical field of sponge city construction, in particular to a permeable rain garden. 【Background technique】 [0002] Sponge city has developed rapidly in recent years, and related technologies have been greatly improved. Among them, the rain garden has remarkable ecological effects and good landscape effects, and can effectively reduce the total amount of runoff, runoff pollution and peak flow in a large area, and is very popular among sponge landscape designers. [0003] The rain garden is a shallow concave green space that imitates the collection and leakage of natural rainwater. It is mainly used to collect and absorb rainwater from the roof or the ground, and to purify and purify the rainwater through the comprehensive leakage of plants and filling layers. The remaining rainwater can not only replenish groundwater, but also be used as miscellaneous water for urban life. However, the structure of the existing rain ...

Claims

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Application Information

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IPC IPC(8): E03F1/00E03F5/10C02F9/14C02F101/30
CPCE03F1/00E03F5/10C02F9/00C02F2101/30C02F2001/007C02F3/00C02F1/001
Inventor 曹景怡闾邱杰周广森崔文娟关晓芬卢思沅
Owner 广州怡境景观设计有限公司
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