Rainwater recycling system for sponge city

Abstract

The invention discloses a rainwater recycling system for a sponge city, and relates to the technical field of rainwater collection. The rainwater recycling system improves the rainwater collection efficiency. The rainwater recycling system involves a rainwater collecting well, a reservoir communicating with the rainwater collecting well, and a drainage grating covering a wellhead of the rainwatercollecting well, wherein the reservoir is buried underground; and the rainwater recycling system further involves two sewage collecting wells arranged adjacent to the rainwater collecting well, arc-shaped grooves are formed in the two opposite side walls in the rainwater collecting well, a filtering assembly used for filtering rainwater is rotationally connected between the two arc-shaped grooves,the filtering assembly comprises a center shaft, two filtering plates fixedly connected with the center shaft and a flow guide plate, the two filtering plates and the flow guide plate are evenly distributed around the center shaft, the center shaft is rotationally connected to the middle of the inner wall of the rainwater collecting well, and the axis of the center shaft coincides with the central axes of the arc-shaped grooves. According to the rainwater recycling system, impurities such as sludge on the filtering plates can be washed and collected through rotation of the filtering plates, and the filtering speed of the rainwater is increased.

Description

technical field [0001] The present application relates to the technical field of rainwater collection, in particular to a rainwater recycling system for a sponge city. Background technique [0002] Sponge city refers to a city that can be like a sponge and has good "elasticity" in adapting to environmental changes and responding to natural disasters. When it rains, it absorbs, stores, infiltrates, and enters water, and "releases" the stored water when needed. and take advantage of it. [0003] The Chinese patent with the authorized announcement number CN205935040U discloses a rainwater collection system device, including a number of rainwater collection wells arranged on the roadside, the rainwater collection wells are connected by rainwater collection tanks, and the connection between the rainwater collection tanks and rainwater collection wells There is a sediment filter, and the rainwater falls into the rainwater collection tank, and is stored in the rainwater collection...

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Problems solved by technology

[0004] Regarding the above-mentioned related technologies, the inventor believes that there are the following defects: During the long-term use of the rainwater collection system device in the related technology, a large amount of sand will adhere to the sediment filter, which will hinder the circulation of rainwater and slow down the flow of rainwater. Filtration speed of rainwater, thus reducing rainwater collection efficiency

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