Tail gas recovery device of dry ice production system

The utility model provides a tail gas recovery device of a dry ice production system, which belongs to the field of dry ice production tail gas recovery devices and comprises a bottom plate, a collecting tank is fixedly connected to the rear end of the left side of the top of the bottom plate, and a purifying tower body is fixedly connected to the front end of the left side of the top of the bottom plate. Adsorption type drying machine bodies are fixedly connected to the two ends of the right side of the top of the bottom plate correspondingly, a booster pump is fixedly connected to the center of the top of the bottom plate, condensation pipes are fixedly connected to the top and the bottom of an inner cavity of the purifying tower body correspondingly, and filter cotton is fixedly connected to the center of the inner cavity of the purifying tower body; a drying agent is fixedly connected to the center of an inner cavity of the adsorption type drying machine body; by arranging the purifying tower body, the ad