IMPROVED CLASSIFIER VANE FOR COAL MILLS

摘要

An improved vane of the type adapted for use in the classifier cage of a bowl mill type coal pulverizer. The improved vane is designed such that its lower end extends below the classifier cage inlet when the vane is mounted in the inlet. I n a preferred form, the vane has a generally trapezoidal shape with a longer lower e dge. The vane is additionally bent or curved over a major portion to direct coal tang entially toward the surface of the classifier cone.