Separation pipe for rainwater and sewage drainage

The utility model relates to the technical field of municipal sewage disposal construction, in particular to a separation pipe for rainwater and sewage drainage. The separation pipe for rainwater and sewage drainage comprises a rainwater and sewage separation pool provided with a sewage drainage pipeline and a rainwater drainage pipeline, and a flow dividing assembly arranged in the rainwater and sewage separation pool and used for dividing sewage and rainwater, and a driving part used for driving the flow dividing assembly to rotate is arranged in the rainwater and sewage separation pool; the rain and sewage separation tank is covered with a tank cover, and a drainage grid is arranged on the tank cover. According to the separation pipe for rainwater and sewage drainage, in a conventional sewage drainage state, sewage enters the sewage drainage pipeline and is drained out through the sewage drainage pipeline, when it rains, the sewage enters the rainwater and sewage separation pool from the drainage grating t