An ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads

A rainwater and road technology, which is applied in the field of rainwater purification, regulation and storage ecological utilization system in northern cities, can solve the problems of increasing underground runoff in natural water circulation system and water accumulation in rainy seasons, so as to increase surface permeable area, reduce quantity and area, and speed up drainage The effect of velocity

Active Publication Date: 2021-03-12
于佳惠
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies of the prior art, the present invention provides an ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads. It can effectively increase the underground runoff of the natural water cycle system, replenish groundwater, realize natural water purification, and reuse part of the rainwater, so that the city can seep, stagnate, store, purify and use rainwater. , row function

Method used

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  • An ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads
  • An ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads
  • An ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads

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Embodiment 1

[0025] Refer to attached Figure 1-5 , an ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads, including road central drainage green plant unit, roadside drainage unit, roadside surface green plant purification unit 3, underground water seepage storage unit 4 and rainwater wetland garden 5;

[0026] The drainage and green plant unit in the center of the road is a ditch-like structure with high ends and low middle, and the water flows from the upstream to the downstream along the ditch body; it includes the cornerstone 11 at the edge of the road center, shallow gravel ditch 12, vegetation layer 13, and three-dimensional soil-fixing mat 14 and backfill soil layer 15; the road central edge cornerstone 11 is the road central edge cornerstone, which is at the same height as the road surface of the road 7, and is respectively arranged on both sides of the road central drainage green plant unit; connected with the road ...

Embodiment 2

[0033] When the road is inclined from high to low, the underground seepage storage unit is distributed downward in a stepwise manner according to the inclination angle of the road; the ditch-shaped underground seepage storage unit located on the upper part is provided with a rainwater storage retaining platform in the direction of downward extension; the rainwater storage The top of the water retaining platform is arranged in an arc shape in the middle to facilitate the flow of the underground water seepage storage unit at the upper part to the bottom when it is full of water.

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Abstract

The invention relates to the technical field of urban construction, in particular to an ecological utilization system for purifying, regulating and storing rainwater in northern cities attached to roads. Including road central drainage green plant unit, roadside drainage unit, roadside surface green plant purification unit, underground seepage storage unit and rainwater wetland garden. The drainage and green planting unit in the center of the road in the present invention increases the water permeable area of ​​the road surface; the drainage ditch can effectively reduce the situation of garbage blocking the road drainage outlet, accelerate the drainage flow rate, and prevent snow water containing deicing agent from flowing into the green belt in winter; the sidewalk drainage ditch The installation is to introduce excessive rainwater on the road surface into the green plant purification unit on the roadside to increase the area and time of rainwater infiltration; the installation of underground water seepage storage unit realizes the storage of rainwater for later use; the rainwater wetland garden realizes the increase in rainy season Large rainwater infiltration area and rainwater retention time; the rainwater wetland gardens and roadside surface green plant purification units are connected in a ditch shape, which greatly reduces the amount and area of ​​road water accumulation.

Description

technical field [0001] The invention relates to the technical field of urban construction, in particular to an ecological utilization system for rainwater purification, regulation and storage in northern cities attached to roads. 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 supply for rivers, lakes, ponds, artificial landscape water extraction, etc. It has obvious randomness, seasonality and unevenness, especially in northern cities. Spring and autumn are dry, and summer is rainy. During the rainy period, the city is prone to waterlogg...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C1/00E01C11/22E03F5/00E03F5/10
CPCE01C1/002E01C11/227E01C2201/20E01C2201/202E03F5/00E03F5/10E03F5/103Y02A10/30
Inventor 于佳惠
Owner 于佳惠
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