轴承钢LF精炼深脱硫工艺的研究
Steelmaking(2017)
Abstract
为进一步降低轴承钢的硫含量,从脱硫热力学和动力学两方面着手,通过现场试验数据分析,对影响脱硫的炉渣成分、碱度、硫容量和w(Ca)/w(Al)等主要因素进行讨论,提出了LF精炼工艺优化措施.结合工业优化试验,结果表明:控制精炼渣ω(SiO2)≤5%,R≥10,w(FeO+ MnO)≤0.5%,w(CaO)/w(Al2O3)=1.6~1.7时,轴承钢精炼脱硫率能达到94%,ω(S)≤20×10-6.
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