SWRH82B冶炼过程全氧含量和夹杂物演变行为研究  

Study on Total Oxygen Content and Evolution Behavior of Inclusion in SWRH82B Steel Smelting Process

作　　者：方宇荣 Fang Yurong(Fujian Sansteel(Group)Co,Ltd.,Sanming 365000,Fujian)

机构地区：[1]福建省三钢(集团)有限责任公司,福建三明365000

出　　处：《福建冶金》2022年第2期47-50,共4页Fujian Metallurgy

摘　　要：用全流程系统取样的方式,对国内某钢厂100tBOF-Ar站-LF-CC工艺生产SWRH82B钢绞线中全氧含量和夹杂物特性的演变规律进行系统的分析和研究。实验结果表明,采用铝脱氧和高碱度还原渣工艺,能使线材中T[O]含量控制在14×10^(-6)。冶炼过程中夹杂物尺寸主要集中在3~8μm,夹杂物完成了SiO_(2)到Al_(2)O_(3)-SiO_(2)再到CaO-Al_(2)O_(3)-SiO_(2)的转变。线材中(CaO)/(SiO_(2))=0.9~2.3,(Al_(2)O_(3))=26~49%。The evolution law of total oxygen content and inclusion characteristics in SWRH82B steel strand produced by 100tBOF-Ar station-LF-CC process in a domestic steel plant is systematically analyzed and studied by means of whole process systematic sampling.The experimental results show that the content of T[O]in wire rod can be controlled at 14×10^(-6).In the smelting process,the inclusion size is mainly concentrated in 3~8μm.The inclusions complete the transformation from SiO_(2) to Al_(2)O_(3)-SiO_(2) to CaO-Al_(2)O_(3)-SiO_(2).In wire rod,(CaO)/(SiO_(2))=1.5~2.9,(Al_(2)O_(3))=27~51%.

关 键 词：82B 钢绞线 全氧含量 夹杂物 

分 类 号：TF703[冶金工程—钢铁冶金]