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马钢超低硫钢的生产工艺研究
引用本文:沈昶,潘远望,张晓峰.马钢超低硫钢的生产工艺研究[J].钢铁,2010,45(6).
作者姓名:沈昶  潘远望  张晓峰
作者单位:1. 钢铁研究总院连铸技术国家工程研究中心,北京,100081;马钢技术中心,安徽,马鞍山,243000
2. 马钢技术中心,安徽,马鞍山,243000
摘    要:在马钢生产X70、X80管线钢为平台的超低硫钢生产工艺的基础上,分别对转炉、LF精炼过程钢水硫含量控制进行了分析研究,研究结果表明转炉吹炼过程增硫主要来自于铁水脱硫渣和废钢中带入的硫,LF炉深脱硫主要取决于钢包顶渣的控制和强搅脱硫的搅拌功。通过工艺调整,使生产X70、X80管线钢时LF炉终点wS]可稳定控制在0.005 0%以下,平均wS]为0.001 1%。

关 键 词:超低硫钢  硫平衡  深脱硫  

Production Technology of Ultra-Low Sulphur Steel in Masteel
SHEN Chang,PAN Yuan-wang,ZHANG Xiao-feng.Production Technology of Ultra-Low Sulphur Steel in Masteel[J].Iron & Steel,2010,45(6).
Authors:SHEN Chang  PAN Yuan-wang  ZHANG Xiao-feng
Abstract:The techniques of the ultra low sulfur steel based on the production of X70/X80 pipe-line steel was investigated.And the control of S] content during the process from BOF to LF was analyzed.The increase of the content of sulfur during BOF blowing is mainly caused by molten iron slag after pretreatment and scrap,the LF deep desulphurization depends on the control of the top slag and the strong stirring power.By technologic adjustment,during the production of X70/X80 pipe-line steel,the S] at the end of LF ...
Keywords:ultra-low sulphur(ULS) steel  sulfur balance  deep desulphurization  
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