Sewage treatment aeration device

The utility model relates to the technical field of sewage aeration, in particular to a sewage treatment aeration device which comprises an aeration tank, a pipeline for conveying air, two fan blades for driving sewage to flow and a flow separation plate fixed in the middle of a tank body of the aeration tank, the driving assembly drives the two fan blades to rotate oppositely to drive sewage in the aeration tank to circulate, the input end of the pipeline extends to the outside of the aeration tank and extends into the aeration tank, drainage assemblies are connected to the two sides of the pipeline, the drainage assemblies are connected with spray heads, and the spray heads are connected with the pipeline. According to the sewage treatment device, the sewage treatment efficiency is improved, the nozzle rotates along the flowing direction of the water flow, the impact force of the water flow on the nozzle is reduced, the service life of the nozzle is prolonged, and the service life of the nozzle is prolonged