Vinyl chloride gas-phase water removal device

The utility model belongs to the field of chemical equipment, and discloses a vinyl chloride gas phase dewatering device which comprises a cyclone separator, a demister and a condenser, a gas inlet of the cyclone separator is communicated with a vinyl chloride supply pipe, a tenth valve is arranged at the communication position, the vinyl chloride supply pipe is further communicated with a gas inlet of the condenser, and the condenser is communicated with a gas outlet of the demister. A first valve is arranged at the communication position, an air outlet of the cyclone separator is communicated with an air inlet of the demister, a second valve is arranged at the communication position, an air outlet of the demister is communicated with an air inlet of the condenser, a third valve is arranged at the communication position, and a fourth valve is arranged at an underflow opening of the cyclone separator. A fifth valve is arranged at an underflow port of the demister, so that moisture in vinyl chloride airflow ca