Roof rainwater garden system of sponge city

Abstract

The invention relates to a roof rainwater garden system of a sponge city. The roof rainwater garden system of the sponge city involves water tanks, wherein water pipes are arranged in the water tanks,the water tanks abut against a wall body and are located on the outer side of a roof, root-resistant waterproof layers are arranged on the wall body and the roof, a water-containing filter layer is arranged on the waterproof layer of the roof, a soil layer is arranged on the water-containing filter layer, and a cobblestone layer is arranged on the soil layer; and one or more water channels are arranged on the roof, each water channel is composed of filter plates and a cover plate at the top, the two sides of each water channel are the filter plates, the bottoms of the filter plates are arranged on the root-resistant waterproof layer of the roof, and the tops of the filter plates are the cover plates. The roof rainwater garden system is easy to set, the purposes of beautifying the environment, purifying air, and improving a local small climate can be achieved, and the practicability is high.

Description

technical field [0001] The invention relates to the field of sponge city construction, in particular to a roof rain garden system for the sponge city. Background technique [0002] The rain garden is a naturally formed or artificially excavated shallow concave green space, which is used to gather and absorb rainwater from the roof or the ground, and purify the rainwater through the comprehensive action of plants and sand. It is an ecologically sustainable rainwater control and Rainwater utilization facilities, and the roof rainwater garden not only has excellent cooling and heat insulation effects, but also can beautify the environment, purify the air, improve the local microclimate, enrich the city's elevation landscape, and can compensate for the green ground occupied by buildings, greatly improving the city's greening Coverage is a form of roofing that deserves to be vigorously promoted. Roof rain gardens are generally irrigated with tap water or rainwater when it is dry...

AI Technical Summary

Problems solved by technology

Roof rain gardens are generally irrigated with tap water or rainwater when it is dry on sunny days, but water resources will be wasted if irrigated with tap water, which cannot meet people's needs for use and cannot achieve the concept of energy saving and environmental protection. In order to solve the above Problem, the present invention provides a roof rain garden system based on sponge city

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