Working principle

Big lump materials are crushed to required size by jaw crusher, then it is elevated to buffering hopper through elevator. After that it is fed into the mill to grind between ring and rollers. The grinded particles move up with the air flow, those cannot pass the separator will fall down and be ground again, while others will be collected as finished product. Air flow passing through separator will go to the air blower for recycling, it's a closed system.