Tail gas treatment device for clarifying tank

The utility model discloses a clarifying tank tail gas treatment device, which belongs to the technical field of tail gas treatment devices and comprises a box body, the box body is communicated with a clarifying tank through a gas inlet pipe, a check valve is arranged on the gas inlet pipe, a coil pipe is arranged in the box body, the top surface of the coil pipe is communicated with the gas inlet pipe, and a plurality of gas outlet holes are uniformly formed in the coil pipe. The bottom of the coil pipe is supported on the bottom face of the box body through a supporting seat, a water injection pipe is arranged on the side wall of the box body, a water inlet valve is installed on the water injection pipe, an activated carbon adsorption net is arranged above the coil pipe, an exhaust pipe is arranged on the top face of the box body, a sampling mechanism is arranged on the exhaust pipe, and a water drainage pipe and a water drainage valve are arranged on the lower portion of the box body. According to the uti