COOLING APPARATUS OF SCREW TYPE DRY VACCUM PUMP AND METHOD OF COOLING THE SAME

摘要

Disclosed is a cooling apparatus for a screw type dry vacuum pump capable of removing reaction byproducts and a cooling method thereof. The disclosed apparatus and method include a casing cooling unit installed on an outer circumferential surface of a casing for accommodating a rotor having a screw screw therein to allow the cooling water to flow in and out of the casing. It is further supplied by a three-way valve.