High Pressure Grinding Rollers

High Pressure Grinding Rollers

Rollerpress rop reduces energy consumption

The ROP is an outstanding comminution machine which offers a much more energy efficient grinding by using the principle of bed comminution by applying high pressure to the material.

The high pressure grinding roller (HPGR) was invented by the German Professor Dr. Klaus Schönert and patented in 1985.

The roller press is often used where energy-efficient grinding of large product quantities is required. The two rollers, rotating in opposite directions, exert very high pressure on the material, effectively crushing and weakening the particles by causing micro cracks, so that the subsequent fine grinding is easier. When used as a pre-grinding system in ball mill circuits, production increases of up to 100 % and more can be achieved.