Sewage bucket capable of preventing sewage backflow and cleaning equipment

The utility model discloses a sewage bucket and cleaning equipment of preventing sewage backflow, including the sewage bucket as well as a buoy and a dust collection channel which are arranged on the sewage bucket, the buoy is arranged on one side of the center of the sewage bucket, the dust collection channel is arranged on the other side of the center of the sewage bucket, and the dust collection channel is arranged on the other side of the center of the sewage bucket. One end of the dust collection channel is connected with the bottom of the sewage barrel, the other end of the dust collection channel extends into the sewage barrel and is provided with a steering channel, and an opening, away from the center of the sewage barrel, of the steering channel faces the center of the sewage barrel. The sewage barrel dust collection device is novel in design, simple and reasonable in structure and convenient to use, the steering channel is arranged at the end opening of the end, close to the filtering device, of th