Classifiion performance of model coal mill classifiers with .
WEBMar 1, 2020 · 1. Introduction. The classifiion performance of the air classifier in a vertical coal mill determines the size of pulverized coal particles. Thus, the classifiion performance will influence the ignition, burning, and burnout of the coal particle, and NO x formation in the furnace as well [[1], [2], [3], [4]].The first generation of the coal mill .