每批料出铁=21.6×(45.5%×95%+44.25%×5%)×98.4%/92%=10.5t
焦比=6000/10.5=571kg/t
风温提高1080-1030=50℃时,焦比为571×(1-50/100×0.04)=560kg/t
焦批不变时:现矿批×现焦比=原矿批×原焦比
现矿批=21.6×571/560=22t
已知矿批21.6t,焦批6.0t,烧结矿和块矿分别含铁45.5%、44.25%,
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每批料出铁=21.6×(45.5%×95%+44.25%×5%)×98.4%/92%=10.5t
焦比=6000/10.5=571kg/t
风温提高1080-1030=50℃时,焦比为571×(1-50/100×0.04)=560kg/t
焦批不变时:现矿批×现焦比=原矿批×原焦比
现矿批=21.6×571/560=22t