Tail gas treatment equipment for coking device

The utility model discloses tail gas treatment equipment for a coking device. The tail gas treatment equipment mainly comprises a poor alkali liquor supply control pipe system, a rich alkali liquor control pipe system, a washing water supply control pipe system, a washing circulating water control pipe system and a purging pipe system, wherein each pipe system is provided with an inlet and an outlet, the pipe systems are arranged on the same three-dimensional pipe frame in parallel to form integral equipment, and the equipment is connected with an external pipeline through the inlet and the outlet of each pipe system by adopting flanges; wherein the lean alkali liquor supply control piping system is communicated with the rich alkali liquor control piping system through a stop valve and a pipeline, and the purging piping system is respectively communicated with the lean alkali liquor supply control piping system, the rich alkali liquor control piping system, the washing water supply control piping system and t