CENTRIFUGAL TYPE THIN FILM DRYER

摘要

PROBLEM TO BE SOLVED: To provide a centrifugal type thin film dryer capable of suppressing blocking accompanied by the drying and solidification of a waste liquid on the surface of liquid supply piping. SOLUTION: The centrifugal type thin film dryer includes: a hollow heat transfer barrel 11 having a heat transfer face for heating a treatment liquid; a treatment liquid inlet 16 for introducing the treatment liquid into the heat transfer barrel 11; a rotating shaft arranged in an axial center position of the heat transfer barrel 11; and blades radially provided at the rotating shaft and scraping off the powder of the treatment liquid generated on the heat transfer face by a concentration and drying. A water repellent coating 41 is formed on the surface of the treatment liquid inlet 16. COPYRIGHT: (C)2011,JPO&INPIT