COAL CLASSIFIER WITH IMPROVED CLASSIFYING EFFICIENCY

摘要

PROBLEM TO BE SOLVED: To provide an classifier excelling in classifying efficiency. ;SOLUTION: In a air swept pulverizing classifier having a classifying part and a refined powder collecting part, above a lower casing of the classifying part, a conical dispersion plate and guide vanes are installed. In addition, the conical dispersion plate 7 is fitted to an arm supporting part 13 provided on a side wall 10 in the upper part of the lower casing. And furthermore, the guide vanes 8 are fitted to a guide vane fitting seat 11 with which an arm 12 thereof is provided. The six guide vanes 8 are arranged radially from the center of the conical dispersion plate 7 at equally spaced intervals, and they each are arranged at an angle of 45° to the radial direction.;COPYRIGHT: (C)1998,JPO