高牌号无取向电工钢脱硫技术研究与应用  

Research and Application of High Grade Non-oriented Electrical Steel Desulphurization Technology

作　　者：徐小伟[1] 杨利彬[2] XU Xiaowei;YANG Libin(MaAnshan Iron and Steel Co.Ltd.,Maanshan 243011,China;Metallurgical Department of Central Iron and Steel Research Institute,Beijing 100081,China)

机构地区：[1]马鞍山钢铁股份有限公司,安徽马鞍山243011 [2]钢铁研究总院冶金工艺研究所,北京100081

出　　处：《工业加热》2023年第6期18-22,共5页Industrial Heating

摘　　要：钢中硫含量对无取向电工钢性能影响较大,硫含量降低,铁损呈下降趋势,因此,高牌号无取向电工钢成品硫含量一般要求小于0.002 5%。基于“KR铁水脱硫→顶底复吹转炉→合金微调站→RH真空炉→连铸”制造流程,分析研究了KR深脱硫、转炉冶炼、RH喷粉脱硫机理,提出了应对措施,形成了较为系统的超低硫冶炼控制技术并稳定应用于生产实践。Sulfur content in steel on the properties of non-oriented electrical steel influence greatly,reduced sulfur content,the core loss is decreased.Therefore,sulfur content of high grade no-oriented electrical steel must be less than 0.0025%.Base on“KR desulphurization-top and bottom blowing converter-component trimming station-RH-continuous casting”manufacturing process,analysis of the Kr deep desulfurization,converter smelting,RH spray blowing desulfurization mechanism,countermeasures are put forward,forming the systematic ultra-low sulphur smelting control technology and application in production practice.

关 键 词：电工钢 脱硫 冶金效果 

分 类 号：TF704.3[冶金工程—钢铁冶金]