Spraying circulating device based on dust collection equipment

The invention discloses a spraying circulating device based on dust collection equipment, and relates to the technical field of dust collection equipment, wherein the spraying circulating device comprises a dust collection box, a dust removal cavity, a circulating treatment cavity, a first filter screen, a sprinkler head, a support frame, a water receiving hopper, a spring, an auxiliary frame and a cleaning roller. Spraying dust removal treatment can be carried out on gas containing dust, meanwhile, water liquid is sprayed to the first filter screen, the dust treatment effect can be effectively enhanced, a spring carries out rebounding supporting to eject the water receiving hopper upwards, and the auxiliary frame and a rack move upwards along with the water receiving hopper; a flexible strip on the outer wall of a cleaning roller cleans dust on the first filter screen, dust in the dust removal cavity can be rapidly cleaned, the first filter screen is prevented from being blocked by the dust, the dust removal