Dust collecting device of dust removal system

The utility model discloses a dust collection device of a dust removal system in the technical field of dust removal, a plurality of gears meshed with an inner gear ring are arranged in the inner gear ring along the circumferential direction, each gear is coaxially and fixedly provided with a rotating shaft, each rotating shaft is coaxially and fixedly provided with a fan blade module, and the fan blade modules are coaxially and fixedly arranged on the inner gear ring. A second transverse plate is fixedly installed in the portion, below the inner gear ring, of the cylinder body, a fixing shaft coaxial with the inner gear ring is fixedly installed on the upper surface of the second transverse plate, a sleeve is coaxially and fixedly arranged on the fixing shaft in a sleeving mode, a plurality of inserting cylinders are fixedly installed on the outer wall of the sleeve in the circumferential direction, and an inserting rod is fixedly inserted into each inserting cylinder; and inserting grooves are formed in the