Method of drying wet powder using fluidized bed dryer

Abstract

A method of drying wet powder using a fluidized bed dryer includes (S1) dividing a lower gas chamber into two or more compartments in the fluidized bed dryer including a gas distribution plate having a plurality of holes and an upper drying chamber and the lower gas chamber divided by the gas distribution plate, (S2) raising an internal temperature of the upper drying chamber and then supplying wet powder through an inlet provided on one side of the upper drying chamber, and (S3) supplying a fluidizing gas at different flow velocities to the two or more compartments, respectively, of the lower gas chamber using an external blower and introducing the fluidizing gas at different flow velocities into a corresponding region of the upper drying chamber through the gas distribution plate to perform drying of the wet powder.

Dependencies are inferred from the claim text.