Overflow device for rainwater pumping station to isolate and collect initial rainwater

Abstract

The utility model provides a kind of overflow device for rainwater pump station isolation collection initial rainwater, belong to the technical field of initial rainwater collection in factory, including initial rainwater collection pond, the upper portion of initial rainwater collection pond is connected with water inlet channel, and the rotatable flap door for controlling initial rainwater to enter initial rainwater collection pond is provided between water inlet channel and initial rainwater collection pond;Water inlet channel is close to the side wall of rainwater pump station and is provided with overflow hole for guiding later rainwater into rainwater pump station after flap door is closed and is connected with water inlet channel and rainwater pump station.The utility model can improve initial rainwater collection efficiency, not to set gate for initial rainwater channel, simplify the process of collecting initial rainwater, without manual operation, avoid possible safety hazard of manual operation, reduce engineering cost.

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