Waste gas treatment equipment

The utility model discloses waste gas treatment equipment. The waste gas treatment equipment comprises a cavity, an exhaust pipe, an air drafting device and a water storage bending pipe, wherein the cavity comprises an air inlet, a drainage port and a watering device for spraying liquid; waste gas enters the cavity through the air inlet to be in contact with the liquid; the exhaust pipe is connected with the cavity; the air drafting device is used for pumping the waste gas inside the cavity to the exhaust pipe; the water storage bending pipe is connected with the drainage port, and comprises a first pressure control valve, a second pressure control valve and a bending part; the first and the second pressure control valves are respectively arranged at the water inlet end and the water outlet end of the water storage bending pipe; the bending part is positioned between the water inlet end and the water outlet end; when the first or the second pressure control valve is opened, the liquid passes through the opene