Waste gas treatment equipment

The utility model discloses waste gas treatment equipment, and particularly relates to the technical field of waste gas treatment equipment, the waste gas treatment equipment comprises an outer tank body and an inner tank body, the inner tank body is mounted in the outer tank body, a gas inlet pipe is mounted on one side of the inner tank body in a penetrating manner, and a first joining flange is mounted at one end of the gas inlet pipe; a filter pipe is installed at the input end of the first joining flange, second joining flanges are installed at the two ends of the filter pipe, four sets of bolts are installed on one sides of the second joining flanges in a penetrating mode, the bolts penetrate through the first joining flanges, nuts are movably installed at one ends of the bolts, and the nuts are located on one sides of the first joining flanges; by installing the filter pipe and the fixing ring, the device has higher flexibility, is time-saving and labor-saving to mount and dismount, relieves the pressu