Energy Saving Vertical Roller Mill For Cement/slag/raw. The vertical roller mill is mainly used for grinding raw meal, clinker, granular blast furnace slag, iron ore, limestone, coal powder, coke powder, coal gangue, fly ash, volcanic ash, gypsum, calcite, pyrophyllite, quartz, clay, sandstone, bauxite, silica fume, calcined rice shell and other processing industry related to metal and non ...