Quick-release dust removal filter bag convenient to maintain

The invention provides a quick-release convenient-to-maintain dust removal filter bag which comprises a mounting disc, a filter cage arranged on the mounting disc and a cloth bag arranged on the surface of the filter cage in a sleeving mode, clamping grooves are formed in the two sides of the top of the mounting disc, and clamping blocks matched with the clamping grooves are welded to the two sides of the bottom of the filter cage; a sealing ring plate is fixedly mounted at the top of the clamping block, and the top of the sealing ring plate is welded and fixed with the bottom of the filter cage. According to the invention, simple dismounting steps can be conveniently carried out, the dismounting time can be shortened, regular and simple small maintenance can be completed to remove part of dust on the inner wall of the filter bag, and the service life can be prolonged, so that the problem that the existing dust removal filter bag needs to be tightened by multiple groups of bolts at the bottom to ensure the bo