FLASH DRIER AND DRYING METHOD USING THE SAME

PROBLEM TO BE SOLVED: To provide a flash drier, drying the powder without depositing the powder in the vicinity of a powder introduction port of the inner wall of a loop pipe in the flash drier including the loop pipe, a hot air blowing port for blowing hot air into the loop pipe, a powder introduction port for introducing powder into the loop pipe, and a discharge port for discharging hot air from the interior of the loop pipe. SOLUTION: This flash drier 1 includes a scratching means 6 for scratching powder adhering to the vicinity of the powder introduction port 4 of the inner wall 2a of the loop pipe. The scratching means 6 is, for example, a coil rotated with the outer periphery thereof closely adhering to the inner wall 2a of the loop pipe. COPYRIGHT: (C)2006,JPO&NCIPI