advanced grinding mill used in place of vertical roller ...
Austin, L. 1990. A mill power equation for SAG mills... - .com of which is used during final cement production by cement clinker grinding. ...Vertical roller mills (VRMs) have been used for limestone and coal grinding...Cement grinding by a VRM has found applications in pre grinding systems, advanced pre- ... In a VRM, the interparticle comminution takes place in a material filled gap ...