Cleaning and disinfecting device for central air-conditioning air supply system of thermal power plant

The utility model relates to the technical field of air conditioning equipment, in particular to a cleaning and sterilizing device for an air supply system of a central air conditioner of a thermal power plant, which comprises a central air conditioning unit, a first connecting pipe, a second connecting pipe, an air inlet pipe, an air supply pipe and a connecting section, the first connecting pipe is fixedly connected with a primary filter box through a connecting section, the primary filter box is fixedly connected with an air inlet pipe through a connecting section, the second connecting pipe is fixedly connected with an efficient filter box through a connecting section, and the other end of the efficient filter box is fixedly connected with an air supply pipe through a connecting section. A primary filtering plate is arranged in the primary filtering box, a primary filtering net is fixedly connected to the primary filtering plate, safety production and operation of a power plant are protected, and a safe a