)进入生铁的硫量为:=1000S%生铁=1000×0.025%=0.25kg进入煤气中的硫量为:=5%=3.488×5%=0.175kg故=--=3.488-0.25-0.175=3.063kg炉渣成分见表1.7表1.7炉渣成分组元CaOMgOSiO2Al2O3MnOFeOS/2ΣCaO/SiO2kg124.10832.59107.82949.060.313.681.58319.11%38.8910.2133.7917.820.101.150.48100.001.15表中S/2:渣中S以CaS形式存在,计算中的Ca全部按CaO形式处理,氧原子量为16,S原子量为32,相当已计入S/2,故表中再计入S/2。将CaO、SiO2、Al2O3、MgO四元组成换算成100%,见表1.8表1.8四种渣成分CaOSiO2Al2O3MgOΣ39.5134.3514.2310.1498.2340.2234.9714.4910.32100.001.1.5校核生铁成分(1)生铁含磷[P]:按原料带入的磷全部进入生铁计算。铁矿石带入的磷量为:=1597.22×0.032%=0.51kg故[P]=(0.51+0.0001)=0.051%(2)生铁含锰[Mn]:按原料带入的锰有50%进入生铁计算,原料共带入MnO为0.631kg见表1.8。故[Mn]=0.63×50%×55/71×1/1000=0.024%(3)生铁含碳[C]:[C]=[100-(95.14+0.65+0.025+0.051+0.024)]%=4.11%(4)生铁含硅[Si]:[Si]=0.65%生铁含硫[S]:[S]=0.025%校核后的生铁成分(%)见表1.9表1.9校核后生铁成分[Fe][Si][][P][S][C]95.140.650.0240.0510.0254.111.2物料平衡计算1.2.1风量计算(1)风口前燃烧的碳量