Automatic opening and closing device of rain and sewage diversion system

Abstract

The invention discloses an automatic opening and closing device for a rainwater and sewage diversion system, which includes an automatic rainwater opening and closing device, an automatic sewage opening and closing device and a linkage device. , and the second buoyancy makes the connecting rod rotate under the action of buoyancy. When the amount of rainwater is small or it is sunny, the sewage automatic opening and closing device is opened, and the sewage enters the sewage pipe and flows to the sewage treatment plant. At the same time, an interlocking device is set. The interlocking device makes the automatic sewage opening and closing device in the closed state when the rainwater automatic opening and closing device is turned on; It is in the open state to avoid the risk of sewage overflow due to blockage. This scheme adopts a purely mechanical structure without the use of electronic control equipment. The cost is low, the operation and maintenance cost is low, and the diversion device works stably.

Description

technical field [0001] The invention relates to the technical field of municipal drainage engineering, in particular to an automatic opening and closing device for a rain and sewage diversion system. Background technique [0002] Rain and sewage diversion is a kind of drainage system, which refers to the way of separating rainwater and sewage, each of which is transported by a pipeline, for discharge or subsequent treatment. The rainwater is directly discharged to the river through the rainwater pipe network, and the sewage is collected through the sewage pipe network and sent to the sewage treatment plant for treatment to prevent the sewage from directly entering the river and causing pollution. Moreover, the collection and utilization of rainwater and centralized management and discharge can reduce the impact of water volume on the sewage treatment plant and ensure the treatment efficiency of the sewage treatment plant. At present, due to the backwardness of urban infrast...

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Problems solved by technology

[0003] The present invention aims to overcome the problem in the prior art that the diversion valve is easily blocked due to the many impurities in the rain-sewage mixed flow water, causing rainwater and sewage to overflow from the manhole cover, and the prior art is usually applied to a large number of electronic control components, which is not only expensive in cost, but also difficult to operate and maintain. The cost is high, and the environment of the rain and sewage system is relatively harsh, which may easily cause the failure of the device and equipment. An automatic opening and closing device for the rain and sewage diversion system is provided.

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