Municipal drainage pipeline with filtering device

The invention relates to the technical field of municipal engineering drainage pipelines, in particular to a municipal drainage pipeline with a filtering device, which comprises a drainage pipe, the upper part of the drainage pipe is a water inlet pipe, the lower part of the drainage pipe is a water outlet pipe, and the filtering device is arranged at the joint of the water inlet pipe and the water outlet pipe. A mounting opening is formed in the drainage pipe above the filtering device, a sealing cover is arranged at the mounting opening, a mounting frame is arranged on the filtering device, and the mounting frame extends to the mounting opening. Sewage passes through the filtering device when flowing from the water inlet pipe to the water outlet pipe, the filtering device filters impurities existing in the sewage, after the impurities of a certain degree are collected, the sealing cover is opened, and the filtering device is taken out through the mounting frame to be cleaned, so that the drainage pipe is ke