Coal Vertical Roller Mill Gebr Pfeiffer Dismanlting coal vertical roller mill gebr pfeiffer dismanlting. MPS vertical roller mill Gebr. Pfeiffer. Grinding of co.Coal vertical roller mill gebr pfeiffer dismanlting. Vertical roller mill Wikipedia. Vertical roller mill is a kind of grinding machine for cement raw material cement clinker slag and coal slag. It has the features of simple structure low cost of manufacture and use.Vertical roller mill has many different forms but it works basically the same.