矿批重40t/批,批铁量23t/批,综合焦批量12.121t/批,炼钢铁改铸,矿批重,40t,批铁,23t,综合,批量,,批量,批铁,矿批重,批铁量,12.121, (1)矿批不变,应加焦多少?(2)焦批不变减矿多少? 矿批重不变 △K=△[Si]×0.04×批铁量=1.0×0.04×23=0.92t/批 焦批不变 △P...