Drainage tunnel receiving sewage and rainwater simultaneously

Abstract

The invention discloses a drainage tunnel receiving sewage and rainwater simultaneously. The drainage tunnel comprises a tunnel body, a sewage bin for sewage storage and conveying and a rainwater binfor rainwater storage and conveying, wherein the sewage bin and the rainwater bin are located in the tunnel. The sewage bin and the rainwater bin are separated through a partition wall. The partitionwall is provided with an intercommunicating gate causing the rainwater bin and the sewage bin to be communicated with or separated from each other and a service port. A sewage inlet pipe channel communicated with the sewage bin and a rainwater inlet pipe channel communicated with the rainwater bin are arranged outside the tunnel body respectively. The top of the tunnel body is provided with a breather pipe, and isolation gates are arranged on the two sides of the tunnel body. The drainage tunnel can receive the sewage and the rainwater simultaneously, it can also be ensured that the sewage binand the rainwater bin can be overhauled independently, so that the tunnel construction mileage is greatly shortened, occupied land is saved, and the fabrication cost and the maintenance cost are low.

Description

technical field [0001] The invention belongs to the technical field of water supply and drainage, and in particular relates to a drainage tunnel for simultaneously receiving sewage and rainwater. Background technique [0002] While rapid urbanization has brought huge economic benefits to people, a large amount of hardened ground has greatly increased rainwater runoff, which is prone to extreme dangers, such as urban waterlogging. At the same time, with the increase of urban population, the construction of sewage pipe network is backward, and the water delivery capacity of old pipe network decreases, which leads to the overload operation of urban sewage pipe network, which is not conducive to urban development. Therefore, how to effectively and safely transport and store a large amount of rainwater and sewage has become an urgent problem to be solved. In view of this problem, the current solution is to discharge the overflowing sewage and rainwater into the deep tunnel, miss...

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Problems solved by technology

[0004] The purpose of the present invention is to address the shortcomings of the existing deep tunnels and provide a drainage tunnel that simultaneously receives sewage and rainwater to solve the problems that the existing deep tunnels cannot receive rainwater and sewage at the same time and the internal maintenance is inconvenient, and to reduce engineering investment costs and maintenance cost

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