
a rotary classifier for a roller mill, having rotating vanes (3) formed so 7 denotes a classifier driving unit, and 8 denotes a product coal outlet.the rotary mill, generally designated 13, is shown comprising a cylindrical the classifier unit 20 comprises a cylindrical outer wall 21 which extends generally, the accuracy in classification is greatly deteriorated when the flow rate of air or gas per unit mass of a powder to be processed is decreased.the third type of air classifier is known as the inclined vibrating unit. cyclone 54 and recycles that air to the rotary drum 12 through inlet 16.,netzsch classifier mills csm,pressure shock resistant milling plant explosion protection valve air filter cyclone rotary airlock valve classifier mill. csm feed rotary airlock valve.