低碳钢LF精炼经济型脱硫工艺过程分析
wf(2016)
Abstract
结合某低碳钢的LF精炼实际,分析了CaO-CaF2精炼渣条件下精炼渣量、渣中CaF2含量、吨钢吹氩量对脱硫及LF精炼前期吹氩流量对表观脱硫系数(KS)的影响,提出了一种LF经济型脱硫工艺。结果表明:LF精炼前期,随着底吹氩流量增加,KS逐渐增大。吨钢吹氩量为0.26~0.28 m3/t、渣量为22 kg/t、w(%CaF2)为26%~28%时,脱硫率最高,脱硫效果最佳。
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