Safety filter with smoke dust treatment function

The invention relates to the technical field of environmental protection equipment, in particular to a safety filter with a smoke dust treatment function. A safety filter with a smoke dust treatment function comprises supporting legs, the supporting legs are fixedly connected with a filtering shell, the filtering shell is provided with an air inlet and a discharging port, a sealing plug is arranged in the discharging port, a filtering net cylinder is rotationally connected into the filtering shell, the filtering net cylinder is provided with net holes, and the filtering net cylinder and the filtering shell are matched to form a material collecting cavity. The filter shell is fixedly connected with an air guide pipe located in the filter screen cylinder, the air guide pipe is fixedly connected with an air collection shell, symmetrically-distributed air baffles are fixedly connected between the air collection shell and the filter shell, and the symmetrically-distributed air baffles and the filter screen cylinde