Cleaning device and cleaning system

The utility model discloses cleaning equipment and a cleaning system. The cleaning equipment comprises a sewage tank, a floor brush assembly and a sealing part, the sewage tank is used for collecting sewage, an opening is formed in the floor brush assembly and communicates with the external environment of the sewage tank and the external environment of the floor brush assembly, the sealing part comprises a door body and a rotating shaft connected with the door body, and the door body is rotationally arranged at the opening through the rotating shaft. According to the cleaning equipment, when the opening of the door body is opened, sewage can flow out from the opening in the floor brush assembly, so that the sewage tank does not need to be detached when the cleaning equipment discharges the sewage, the operation is convenient, and the production cost of the cleaning equipment is reduced.