A water storage slow infiltration type green space system

Abstract

The invention discloses a water storage slow infiltration type green space system, which aims to solve the problem that the green space system directly discharges rainwater into the municipal pipe network, resulting in increased drainage pressure of the municipal pipe network. The invention includes an ecological retention area and a water storage slow infiltration area below the ground, a partition wall is set between the ecological retention area and the water storage slow infiltration area, and the upper end of the partition wall is higher than the surface height of the ecological retention area and the water storage slow infiltration area. , the surface of the ecological retention area is planted with vegetation, the underground of the ecological retention area is buried with perforated pipes; the upper part of the partition wall is provided with an overflow weir, and the rainwater overflow pipe is installed above the water storage slow seepage area, and the rainwater overflow pipe is lower than the overflow weir. , the water impact block is placed on the surface of the slow water storage area near the partition wall and corresponding to the overflow weir. This kind of water storage slow-seepage green space system can effectively retain runoff rainwater, and conduct secondary interception of excessive rainwater, strengthen the infiltration intensity, reduce the surface runoff during the rainy season, effectively delay the rainfall peak, and reduce the drainage pressure of the municipal rainwater pipe network.

Description

technical field [0001] The invention relates to the technical field of urban rainwater management, and more particularly, to a water storage slow-seepage green space system. Background technique [0002] With the advancement of urbanization, the scale of urban land continues to expand. The practice of "heavy gray and light green" has led to the phenomenon of waterlogging and waterlogging in the city and even the phenomenon of "seeing the sea in rainy days". In order to break the traditional urban construction model, it is necessary to drain the city. In order to minimize the impact of urban development and construction on the ecological environment, the rainwater in the site can be absorbed and treated on the spot. [0003] Sponge city is the core concept of modern urban stormwater management. It prioritizes the use of natural drainage methods, excludes rainwater from the site, ensures that the runoff coefficient after urban development and construction is not greater than t...

AI Technical Summary

Problems solved by technology

Modern urban green space systems have higher and higher requirements for drainage. Poor drainage will cause many urban problems. However, many green space systems now directly discharge rainwater into the municipal pipe network, resulting in increased drainage pressure of the municipal pipe network.

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