Ethylene oxide tail gas treatment system

The utility model provides an ethylene oxide tail gas treatment system, which comprises a waste circulation system, a gas-water separator, a washing tower and a gas-water separator, and after EO gas in the sterilization cabinet is separated by the gas-water separator, waste gas enters the washing tower to be adsorbed; the spraying water circulation system comprises a water collecting tank and a spraying pipeline, circulating water is stored in the water collecting tank, and the spraying pipeline is arranged at the top end in the washing tower; the cooling water circulation system comprises a refrigerating machine and a cooling tower, the cooling tower is connected to one side of the refrigerating machine, and the refrigerating machine is communicated with the gas-water separator and used for providing a cold source for the gas-water separator; and the heat exchange system comprises a heat exchanger, one end of the heat exchanger is communicated with the water collecting tank, and the other end of the heat exc