Combined pipe network interception well system and its control method

Abstract

The invention discloses a combined system pipe network intercepting well system and a control method thereof. The system comprises a well body and a control unit, wherein an early rain overflow weir, a slag stop pontoon and a multi-stage adjustable overflow plate are arranged on a flow channel of the well body from left to right in sequence; a sewage intercepting pipe is arranged on the bottom part of the side wall of the well body between a rain and sewage combined water inlet pipe and the early rain overflow weir; an early rain intercepting pipe is arranged on the bottom part of the side wall of the well body between the early rain overflow weir and the multi-stage adjustable overflow plate; an electric intercepting check valve is arranged on each of the sewage intercepting pipe and the early rain intercepting pipe; a liquid sensor is arranged in the well body on the left side of the early rain overflow weir; a rainfall sensor is arranged out of the well body. According to the control method, the early rain range is exactly defined from the perspective of early rainwater runoff volume; the control unit controls the opening and the closing of the electric intercepting check valves on the sewage intercepting pipe and the early rain intercepting pipe by utilizing a liquid level signal and a rainfall signal, so that precise intercepting of early rain is effectively realized in a combined system pipe network intercepting well.

Description

technical field

[0001] The invention relates to a drainage pipe network system, in particular to a combined pipe network interception well system and a control method thereof. Background technique

[0002] With the increase of urban air pollution and ground pollution, the pollution of rainwater runoff is becoming more and more serious, especially the initial rainwater with more pollutants (referred to as primary rain). It is used in typical urban domestic sewage, so it is very necessary to collect and treat the first rain. At present, in the drainage system, the initial rain is intercepted in the interception well, and then the initial rain is transported to the sewage treatment plant. However, in the process of intercepting the initial rain, how to accurately measure the initial rain has always been a problem. The difficulty is that it is still in the vague and extensive measurement stage. Contents of the invention

[0003] The purpose of the present invention is to pro...

Images