A rainwater interception and purification device based on sponge city

Abstract

The invention provides a rainwater interception and purification device based on sponge city, relates to the technical field of rainwater interception and purification, and solves the problem that existing rainwater interception devices often use a sewage interception hanging basket to clean leaves, branches and other sundries contained in rainwater. Interception, but once the intercepted leaves, branches and other sundries are too much, it will block the mesh of the sewage interception hanging basket, affecting the penetration efficiency of rainwater, resulting in low penetration efficiency of rainwater under rainy conditions, resulting in rainwater sewage interception The problem of rainwater overflow phenomenon occurs in the part. A rainwater interception and purification device based on a sponge city includes a pre-buried rainwater delivery mechanism, and the pre-buried rainwater delivery mechanism is pre-buried and installed in a rainwater pipe. Even if a small amount of leaves, branches and other sundries fall into the secondary filter and interception mechanism along the gap between the outer peripheral surface of the circular plate B and the inner peripheral surface of the cylinder, the small amount of leaves, branches and other sundries will pass through the U-shaped geotextile. It is intercepted by the filter bag to prevent leaves, branches and other sundries from flowing into the branch pipe of the rainwater outlet.

Description

technical field [0001] The invention belongs to the technical field of rainwater interception and purification, and more specifically relates to a rainwater interception and purification device based on a sponge city. Background technique [0002] The collection and utilization of rainwater has become particularly important. Due to the serious pollution of rainwater, it cannot be directly discharged into the receiving water body. [0003] At present, the rainwater sewage interception device mostly uses the sewage interception hanging basket to intercept the leaves, branches and other sundries contained in the rainwater, but once the intercepted leaves, branches and other sundries are too much, it will block the sewage interception hanging basket. The mesh affects the penetration efficiency of rainwater, resulting in rainwater overflow at the rainwater interception part due to the low penetration efficiency of rainwater under rainy conditions. Contents of the invention [...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above technical problems, the present invention provides a rainwater interception and purification device based on the sponge city, to solve the problem that the existing rainwater interception devices often use the sewage interception hanging basket to intercept the leaves, branches and other sundries contained in the rainwater, However, once there are too many intercepted leaves, branches and other sundries, it will block the mesh of the sewage interception hanging basket and affect the penetration efficiency of rainwater. The problem of rainwater overflow

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