Ship ventilation system with automatic dust removal function

The ship ventilation system with the automatic dust removal function comprises a ventilation pipeline, a two-way axial flow fan is fixedly installed on the left side of an inner cavity of the ventilation pipeline, a filter screen plate is fixedly embedded in the center of the inner cavity of the ventilation pipeline, a servo double-shaft motor is fixedly installed in the center of the surface of the filter screen plate, and the servo double-shaft motor is fixedly connected with the two-way axial flow fan. And a connecting rod is fixedly mounted at the output end of the servo double-shaft motor. The filter screen plate, the valve, the dust collecting hopper, the bidirectional axial flow fan, the cleaning brush, the connecting sleeve, the guide groove, the connecting frame, the cleaning plate, the fixing frame, the guide rod, the connecting rod, the servo double-shaft motor, the lead screw and the fixing sleeve are used in cooperation, and the problems that an existing ventilation system does not have the autom