Nozzle-containing pulse dust-cleaning system

The utility model discloses a nozzle-containing pulse dust-cleaning system. The system comprises a box body, an air bag, a pulse valve, a nozzle, a filter drum and an electric control system, wherein the filter drum is arranged under the nozzle. The system is characterized in that the nozzle is used for controlling back-blow dust-cleaning on the filter drum by the pulse valve connected with the air bag. The system is cooperated with a dust-cleaning control signal in the system, the compressed air stored in the air bag is used as a blowing power source, the dust attached to the outer surface of the filter drum is blown through control of the pulse valve and a guiding function of the nozzle connected with the pulse valve; after the dust attached to the outer surface of the filter drum is blown off, the filter drum can filter the dust again, so that the filter drum can be used for many times.