Solid-gas separation self-cleaning device

The invention belongs to the technical field of decoration dust removal, discloses a solid-gas separation self-cleaning device, and aims to solve the problems that according to an existing dust removal filter device, dust is filtered through a filter screen and needs to be cleaned regularly, an existing scraper cleaning mode is poor in cleaning effect, dust is still attached to the filter screen, and the cleaning effect is poor. According to the technical scheme, water is attached to a filter screen through a water cleaning mode, dust is agglomerated and is difficult to treat, and according to the technical scheme, the device comprises a box body, and moving wheels are fixedly installed at the four corners of the bottom face of the box body correspondingly. The dust on the filter screen is cleaned through the mode that the water tank is arranged at the bottom, regular dust removal operation on the filter screen is not needed, normal work of the dust removal device is not affected on filter screen cleaning, in