% MBS %F - Old production rate. cm2/gm Formula-2 OPB OPB * ( OB / NB ) 5 New production rate (Mill output Vs.( 125 * h / Deff ) h 2.Sclk ) (at weigh feeder) tph Pu * ( 100 .5 NR 9.49 / 1000 ) NB OPB Old production rate. tph NPB OB Old blae. tph GSP %Fillg 88 OPR Gypsum set pot Maximum ball size 118 5000 NB tph - 4000 Old production rate.1 Deff Mill effective diameter.Fgyp ) Scem Target SO3 content cement.log ( NR ) ) OPR 150 OR 11.
In this paper, a new approach for the calculation of the power draw of cement grdg ball mills is proposed. For this purpose, cement grdg circuit data cludg the operational and design parameters were collected from 14 dustrial ball mills, rangg diameters from 3.2 to 4.8 m. The