White fog eliminating closed cooling tower

The utility model belongs to the technical field of closed cooling towers, and particularly relates to a rime fog eliminating closed cooling tower, which comprises a cooling tower and a rime fog eliminating device, the cooling tower comprises a cooling tower body, a water collector, a spray pipe, a cooler and a water collecting tank are sequentially arranged in the cooling tower body from top to bottom, an air duct is arranged at the top of the cooling tower body, a fan is arranged in the air duct, and a water outlet is formed in the top of the cooling tower body. The rime fog eliminating device comprises an evaporator, a compressor, a condenser and a throttling valve, the evaporator, the compressor, the condenser and the throttling valve are sequentially connected in series to form a closed vacuum pipeline, the pipeline is filled with a low-boiling-point working medium, the evaporator is immersed in the water collecting tank, the condenser is located above the draught fan in the air duct, and the throttling