Novel drum type micro-filter device

The utility model discloses a novel drum microfilter device, which comprises a case with an opening at the top, a top cover, a filter component, a backwashing component and a conveying component, the top cover is movably arranged at the top of the open case in a sealing manner, the filter component is rotatably assembled in the case, and the backwashing component is arranged in the case. The backwashing assembly is mounted at the top end in the case, and the output end faces the filtering assembly. The filter cylinder is high in overall corrosion resistance and long in service life, workers can conveniently maintain and clean the filter cylinder subsequently, the overall sealing performance is enhanced under the cooperation of the sealing flange plate and the sealing gasket, and the service life of the filter cylinder is prolonged. The situation that a traditional machine box is poor in sealing performance, a large amount of residues are attached to the connecting position of the center shaft pipe and the fil