Bioretention belt sand basin easy to desilt

Abstract

The invention provides a bioretention belt sand basin easy to desilt. The bioretention belt sand basin comprises an outer shell, an inner shell, a cover plate and a mesh bearing plate; the inner shellis detachably embedded in the outer shell in a conformal mode, and the bottom of the inner shell is of an inclined structure; the bottom, corresponding to a water inlet end, of the inner shell is lower than the bottom, corresponding to a water outlet end, of the inner shell, and the cover plate is hinged to the outer shell and covers the water outlet end of the inner shell; and a water outlet hole is formed in the cover plate and the side wall of the water outlet end of the inner shell, the mesh bearing plate is disposed at the outer shell and covers the water inlet end of the inner shell, and the mesh bearing plate is provided with water filtering particles. Sediment in rainwater on urban roads can be effectively precipitated, so that the sediment flowing into a bioretention zone is effectively reduced; and the deposited sediment can be conveniently removed, so that the maintenance cost is effectively reduced and the use is facilitated.

Description

technical field [0001] The invention relates to urban equipment, in particular to a bioretention belt grit chamber which is easy to dredge. Background technique [0002] Although the rapid development of China's urbanization has promoted sustained economic growth and overall social progress, it has also brought about many serious "urban diseases" such as traffic congestion, air pollution, frequent urban waterlogging, and continuous deterioration of the environment. Frequent urban waterlogging is one of the most serious and prominent problems. Against this background, the concept of "sponge city" was proposed at the end of 2013. Sponge city is a new generation of urban stormwater management concept. It refers to the city's good "elasticity" in adapting to environmental changes and responding to natural disasters caused by rainwater. It can also be called "water elastic city". As the most commonly used engineering measure in sponge cities, roadside bioretention strips have t...

AI Technical Summary

Problems solved by technology

In order to achieve the above functions, foreign countries usually adopt the measure of placing pebbles in the inflow area; in my country, some roads adopt the measure of placing pebbles in the inflow area, and some roads adopt the measure of setting up grit chambers. However, dust is relatively high in urban roads. Large, the sediment content in the initial rainwater is relatively large, and only setting up pebbles will result in a large amount of accumulated mud and sand, which cannot be removed, and the accumulation of time will make the pebbles lose the design effect; although setting up a grit chamber can solve the problem of a large amount of mud and sand accumulation, but due to the All edge stone gaps need to be set, resulting in a high total cost, and the existing grit chamber is set in the bioretention zone, which is not easy to desilt and causes difficulties in maintenance

Images