CRUSHED COARSE POWDER CLASSIFYING APPARATUS AND FINE POWDER CLASSIFYING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a crushed coarse powder classifying apparatus which suppresses mixing of fine powders and coarse powders and manufactures powders with a sharp particle size distribution efficiently. SOLUTION: The crushed coarse powder classifying apparatus is provided with a mechanical crusher crushing a powder raw material, a cyclone collecting the crushed powders and a coarse powder classifier classifying the coarse powders from the collected powders. The coarse powder classifier is a cyclone type classifier having a dispersion chamber equipped with a center core and dispersing the powders and a classifying chamber equipped with a separator core. The center core is provided with a fine powder discharge opening pipe in the center. COPYRIGHT: (C)2009,JPO&INPIT