pressure le roller mill
Apr 21, 2015 · Gebr. Pfeiffer MVR Roller Mills In the cement industry, MVR roller mills are used for grinding cement raw material, cement clinker, granulated blast-furnace slag, and pozzolana.The rollers are centrifugal founded. The outer layer of the roller is founded from special hardened alloy and its thickness is about 25 mm. The rollers are dynamically balanced by G 2.5 curve at 700 rpm. The flat rollers are sandblasted and the roller's diameter at both ends of their cylinder, which are crown grinded, is about 40-60 microns.