Efficient and energy-saving alcohol dehydrogenation tail gas condenser

The invention discloses a high-efficiency energy-saving alcohol dehydrogenation tail gas condenser, which belongs to the technical field of chemical condensers and comprises a condenser body, the bottom end of the condenser body is provided with a gas inlet pipe, and the top end of the condenser body is provided with a gas outlet pipe; the two sealing plates are fixedly arranged on the upper side and the lower side of an inner cavity of the condenser body, and a cooling cavity is formed between the two sealing plates and the inner cavity of the condenser body. A water inlet pipe is arranged at the lower end of the side wall of the condenser body, and a water outlet pipe is arranged at the upper end of the side wall of the condenser body; the ventilation pipes are uniformly arranged in the cooling cavity at intervals and vertically penetrate through the two sealing plates; the catalysis assembly is arranged on one side of the condenser body, communicates with the gas outlet pipe and is used for removing hydrog