High Pressure Grinding Rolls (HPGR)
Krupp Polysius (Germany) • Favours a high aspect ratio design, i.e. large diameter, small width • Use of studs for wear protection on rolls surface ... Equipment 1 x SAG Mill 9.8 MW 1 x Secondary Crusher 750 kW 1 x Pebble crusher 450 kW 1 x HPGR 4.0 MW 2 x Ball Mills 5.6 MW each 2 x Ball Mills 5.6 MW each Screens and conveyors ...