Waste gas collection and treatment device for sludge treatment

The utility model discloses a waste gas collecting and treating device for sludge treatment, which comprises a fermentation box body, a drainage valve is connected with the outer side of the fermentation box body in a penetrating manner, an exhaust valve is connected with the middle of the fermentation box body in a penetrating manner, an electric heating plate is fixed on the upper surface of the fermentation box body through bolts, and a catalytic box body is connected with a pipeline right above the fermentation box body; one side of the catalytic box body is connected with a filter box body through a pipeline, the interior of the catalytic box body is connected with an ozone generator through an electric wire, a spiral pipeline is wound and fixed on the outer side of the condensation pipeline, and one side of the condensation pipeline is connected with an exhaust pipeline in a penetrating manner; one side of the face gear is in shaft connection with a belt wheel, and one side of the belt wheel is in shaft