Dust treatment device of gas producer

A dust treatment device of a gas producer comprises a rack, a dust removal device is arranged in the rack and comprises a protective shell, a cooling component and a dust removal component, the cooling component and the dust removal component are arranged in openings in the two ends of the protective shell, the cooling component is composed of an annular water mist spray pipe and a moving assembly, and the water mist spray pipe is fixed to the top in the protective shell through a connecting rod. The moving assemblies are symmetrically arranged on the two sides of the protective shell, through grooves are formed in the two side walls, close to the moving assemblies, of the protective shell, each moving assembly comprises two vertically-arranged threaded rods, and first bevel gears are arranged at the bottom ends of the threaded rods and engaged with second bevel gears at the output ends of the motors; the lower portion of the protective shell is connected with the upper end of a funnel, and the far lower end