精选优质文档-倾情为你奉上1假定100m3鼓风为基准,其鼓风湿度为f=2.0%,计算炉缸煤气成份的百分含量?(以100m3鼓风计算)答案:由反应式2C焦+O2+(79/21)N2=2CO+(79/21)N2得一个O2将生成两个COCO=(100-f)0.21+0.5f2=(1002)0.21+0.522=43.16m3N2=(100f)0.79=980.79=77.42m3H2=1002%=2.00m3CO+H2+N2=122.58m3CO=43.16/122.58100%=35.21%N2=77.42/122.58100%=63.16%H2=2/122.58100%=1.63%炉缸煤气成份CO为35.21%,N2为63.16%,H2为1.63%。2矿批重40t/批,批铁量23t/批,综合焦批量12.121t/批,炼钢铁改铸造铁,Si从0.4%提高到1.4%,求Si变化1.0%时,(1)矿批不变,应加焦多少?(2)焦批不变减矿多少?答案:矿批重不变K=