loesche vertical roller mill 20 2 dam ring coal mill ...
We have loesche vertical roller mill 20 2 dam ring coal mill,that of a vertical roller mill VRM carrying out the same oper ations by a factor of between 15 and 2 depending on the degree of optimisation of the ball mill Fig 1 illustrates this connexion as well as showing the increasing energy benefit that can be obtained with a vertical roller mill as the specific Blaine surface area rises