不锈钢还原脱磷工艺的研究现状及其应用  

Current Situation of Study on Reducing Dephosphorization Technology for Stainless Steel and Its Applications

作　　者：杨连金 刘露露 李杰 尹振兴 YANG Lianjin;LIU Lulu;LI Jie;YIN Zhenxing(Jiangsu Shenyuan Group Co.,Ltd.,Xinghua Jiangsu 225722,China;School of Metallurgical Engineering,Anhui University of Technology,Maanshan Anhui 243002,China)

机构地区：[1]江苏申源集团有限公司,江苏兴化225722 [2]安徽工业大学冶金工程学院,安徽马鞍山243002

出　　处：《上海金属》2023年第1期7-11,25,共6页Shanghai Metals

基　　金：国家自然科学基金(52074003);国家自然科学基金联合基金(U1960110)。

摘　　要：由于脱磷过程中某些合金元素会被烧损,传统的氧化脱磷工艺不能应用于不锈钢生产,于是提出了还原脱磷工艺。简述了还原脱磷的基本原理,详述了氧分压、温度和熔体成分等因素对还原脱磷效果的影响,指出了预先脱氧和脱硫对还原脱磷的重要性,阐述了回磷与钢液氧化之间的关系。结合不锈钢冶炼流程,讨论了还原脱磷技术的应用和还原脱磷渣的处理技术。Conventional oxidation dephosphorization process cannot be used in producing stainless steel because some of the alloying elements will be burned during dephosphorization,and with the result that a reducing dephosphorization process was proposed.The fundamental principle of reducing desphosphorization was described briefly.The effects of such factors as oxygen partial pressure,temperature and melt composition on the reducing dephosphorization result were described in detail.The importance of preliminary deoxidation and desulphuration to the reducing desphosphorization was pointed out,and the dependence of rephoshporization on molten steel oxidation was expounded.Combined with smelting process of stainless steel,the applications of reducing dephosphorization technology and the technology reserved for disposal of reducing dephosphorization slag were discussed.

关 键 词：不锈钢 还原脱磷 冶金热力学 冶金动力学 

分 类 号：TF111[冶金工程—冶金物理化学]