Vertical roller mill for raw materialsmill. (5) Ground materials are dried by the flue gas from the kiln. Fig.2 Schematic process flow of vertical roller mill for grinding of raw materials. Vertical roller mills are adopted in 20 cement plants (44 mills) in Japan. Results ... The descalers are installed at many locations where manual cleaning is difficult or the scale is.raw mill in cement industry pdf,How a cement plant gets off the ground - FLHow a cement plant gets off the ground. Peter Krüger, Vice President, FL. FLS Industries Capital Market Day, 18 January 2005 . Gear unit. Clinker. Silo. 2. Packers. Ship loading. Ship unloading. Line. Clay. Sand. Iron. 1. 2. 3. 4. 1. 2. 34. Storage. Crusher. Analyzer. Filter. Filter. Raw meal silo. Raw mill. Coal mill.