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100t转炉低成本冶炼65Mn钢实践
引用本文:赵志刚,简龙,郭猛,康永弟,孙艳霞.100t转炉低成本冶炼65Mn钢实践[J].鞍钢技术,2012(5):34-37.
作者姓名:赵志刚  简龙  郭猛  康永弟  孙艳霞
作者单位:鞍钢股份有限公司炼钢总厂,辽宁鞍山,114021
摘    要:通过优化100 t转炉冶炼65Mn钢工艺参数,包括装入制度的确定、加料方式的改进、供氧强度及变压变枪位操作方式的优化等,解决了65Mn钢留碳去磷的难题,提高了冶炼65Mn钢的一拉率,减少了跑渣的发生机率,提高了白灰的熔化效率,降低了白灰单耗,65Mn 钢冶炼成本降低了9.07元/t.

关 键 词:65Mn钢  留渣操作  温度控制  加料方式  枪位控制

Process Practice of Making 65Mn Steel Economically by 100 t Converter
Zhao Zhigang , Jian Long , Guo Meng , Kang Yongdi , Sun Yanxia.Process Practice of Making 65Mn Steel Economically by 100 t Converter[J].Aisc Techniques,2012(5):34-37.
Authors:Zhao Zhigang  Jian Long  Guo Meng  Kang Yongdi  Sun Yanxia
Affiliation:( General Steelmaking Plant of Angang Steel Co., Ltd., Anshan 114021, Liaoning, China )
Abstract:Based on optimization of operating parameters for producing the 65Mn steel made by 100 t converter, such as establishing the charging system, improving the mode of feeding, opti mizing the oxygen-supplying system and the mode of operating the oxygen lance by variable pres sure and position-changing of the lance, good results are achieved which are characterized in that the problem on how to hold carbon but remove phosphorus during smelting the 65Mn molten steel is resolved, improving the success rate of the first decarbonization in smelting the 65Mn steel and further the probability of occurrence of slag losing is cut down and the melting efficiency of lime is improved and the consumption of lime is reduced instead. So the cost for smelting per ton of the 65Mn steel by the converter is reduced by 9.07 RMB.
Keywords:65Mn steel  slag-remaining operation  temperature controlling  mode of feed-ing  position of lance controlling
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