Tail gas recovery system for fosetyl-aluminum intermediate

The utility model belongs to the technical field of tail gas separation devices, and particularly relates to a fosetyl-aluminum intermediate tail gas recovery system which comprises a water washing tank and a tail gas preprocessor which is sequentially connected with the water washing tank, a water washing tower, a condenser, a dryer, a compressor and a chloroethane storage tank. The bottoms of the washing tank and the washing tower are connected with a hydrochloric acid storage tank; the top of the stirring shaft is connected with a stirring motor, the middle of the stirring shaft is provided with a stirring paddle I, and the bottom of the stirring shaft is provided with a stirring paddle II; the top of the washing tank is connected with a first industrial water feeding pipeline and a first-stage washing gas discharging pipeline, and the first-stage washing gas discharging pipeline is connected with the bottom of the washing tower; the upper part of the tail gas preprocessor is connected with a pretreated ga