Urban road rainwater collection and utilization system

Abstract

The invention discloses an urban road rainwater collection and utilization system. The system comprises a sidewalk drainage structure, a carriageway, a central dividing strip, a rainwater ditch, dredging wells, sedimentation tanks, a water collection well and a rainwater conveying system. A plurality of drainage holes are formed in the side, close to the sidewalk, of the rainwater ditch at certainintervals; a plurality of drainage holes are formed in the kerb of the sidewalk at certain intervals, filter screens are arranged in the holes; the dredging wells are arranged in the rainwater ditchat certain intervals so as to precipitate initial rainwater; the water collection well is arranged below the central dividing strip; the sedimentation tanks corresponding to the dredging wells are arranged in the water collection well; an inspection well is arranged above the water collection well; the dredging wells are connected with the sedimentation tanks through pipelines; and rainwater collected in the water collection well cleans a traffic lane and irrigates a green belt through the rainwater conveying system. With the urban road rainwater collection and utilization system adopted, water accumulation on the sidewalk can be prevented, urban water shortage can be relieved, and road cleaning automation can be realized. The system has important reference value for establishing a 'spongecity '.

Description

technical field [0001] The invention relates to an urban road rainwater collection and utilization system, belonging to the technical field of urban road rainwater collection and utilization. Background technique [0002] With the rapid development of society, human beings have an increasing demand for fresh water resources, especially in urban areas. Due to the high population density and large water consumption for production and living, cities often face the problem of water shortage. Rainwater is an important source of urban fresh water resources, and urban rainwater recycling will greatly reduce the pressure on urban water supply and alleviate the contradiction between supply and demand of urban fresh water resources. In the city, the road area ratio is relatively large. When it rains, most of the rainwater is collected through the road surface to the rainwater outlet, and then drained through the municipal pipeline, so that fresh water resources cannot be effectively u...

AI Technical Summary

Problems solved by technology

[0003] Ordinary crosswalks are mostly impermeable pavement, that is, hard pavement, which has poor permeability. During heavy rainfall, it is easy to form water on the road, which will affect the image of the city and the travel of citizens.

In recent years, permeable sidewalks have appeared, that is, the pavement surface of the sidewalk is paved with permeable bricks, and rainwater quickly infiltrates through the permeable bricks.

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