Centralized absorption treatment device for tail gas of reaction kettle

The utility model provides a concentrated absorption treatment device for tail gas of a reaction kettle, which relates to the field of tail gas treatment equipment and comprises the reaction kettle and a mounting table, the reaction kettle is connected with a condenser, the condenser is connected with a corrosion-resistant PVC (polyvinyl chloride) pipe, a first valve is arranged on the corrosion-resistant PVC pipe, one end of the corrosion-resistant PVC pipe is communicated with an absorption tower, and an alkali liquor box and a circulating pump are arranged on the mounting table. The input end of the circulating pump is communicated with the alkali liquor box, the output end of the circulating pump is connected with a conveying pipe, a second valve is arranged on the conveying pipe, one end of the conveying pipe penetrates through the absorption tower to be connected with a sprayer, a return pipe is arranged at the bottom end of the absorption tower, and a third valve is arranged on the return pipe; after g