Liquid and gas distributing and mixing device of regeneration tower

The utility model discloses a liquid and gas distribution and mixing device of a regeneration tower. The liquid and gas distribution and mixing device comprises an integrated distribution buffer tank, a liquid distribution branch pipe, a gas-liquid mixing cavity, a spiral mixer, an air distribution branch pipe and a liquid baffle which are all arranged in the regeneration tower, a liquid-phase buffer cavity and a gas-phase buffer cavity are formed in the integrated distribution buffer tank; the starting ends of the plurality of liquid distribution branch pipes are communicated with the liquid phase buffer cavity; a gas-liquid mixing cavity is formed in the middle of each liquid distribution branch pipe; at least two spiral mixers are arranged behind the gas-liquid mixing cavity; spiral blades are arranged in the spiral mixers; the initial ends of the plurality of air distribution branch pipes are communicated with the gas-phase buffer cavity; the tail end of each air distribution branch pipe is communicated w