问答题已知: (1)矿石成分TFe58.69%,FeO12.4%,Fe2O370.67%; (2)煤气成分CO21.91%,CO220.54%,H21.72%,N255.83%,V煤气1637.5m3 t; (3)生铁成分[Fe]94.590%,[Si]0.500%,[Mn]0.327%,[P]0.049%,[C]4.506%; (4)炉渣G渣(渣铁比)332kg t,(S)0.66%; (5)风口前燃烧炭量C风269.528kg t,风量V风1166.71m3 t; 求该高炉操作线的直线方程。