250 tph cement grinding plant. shell supported on sliding rings and hydrodynamic bearings, combiflex drive system with girth gear, pinion and dmg2 25.4 main drive gear unit, 5800kw main drive motor, auxiliary drive. • mill water injection system • sepol nsv3500 separator, 320000 m3h airflow rate • bag filter, 320000 m3h, 4977 m2.