
Loesche vertical roller mills for the comminution of ores ...
Oct 01, 2001 · Oct 01, 2001 · Mills with capacities up to 840 tIh 85 % P 90 !lm are installed. ln the mid 80's, the high pressure grinding rolls were introduced first into the cement industry and were widely accepted mainly for grinding of clinker and granulated blast fumace slag, but also in particular cases for grinding of raw materials.