Vol.29 Suppl.1 杜松林等：连铸钢水快速精炼工艺实践 …9· 渣系+Al脱氧+Ca处理+软吹”快速精炼工艺，几乎参考文献 没有脱S作用. [山杜松林.转炉两步脱氧工艺研究.钢铁，2005,40(4小：32 [②)]许中波，张东力.精炼剂对钢水脱硫处理效果的影响。北京科 (4)用于快速精炼的改质精炼渣系选择与优 技大学学报，2000,22(5少：435 化，必须和所精炼的钢种的化学成分相适应.精炼 [3】龚坚，王庆祥.钢液钙处理的热力学分析.炼钢，2003，(3)：56 效果好、经济的精炼渣成分优化、以及喂Ca量等 4张鉴.治金熔体的计算热力学。北京：治金工业出版社，1998： 工艺问题，尚需进一步研究. 364 [5】郭汉杰.治金物理化学教程.北京：治金工业出版社，2004：54 Fast refining process of continuous casting liquid steel DU Songlin'2,WU Jian2,HU Yigui2,GAO Zhenbo2) 1)Metallurgical and Ecological Engineering School,University of Science and Technology Beijing,Beijing 100083.China 2)No.3 Steel Making and Rolling Combination Mill,Masteel,Anhui 243000,China ABSTRACT Liquid steel for continuous casting was refined quickly at the alloy conditioning station in Masteel with the mixture of CaO-SiO2-CaC2 to slag and Al,SiCa to deoxidize in the period of 18 min(converter match to cast).The activity of oxygen in liquid steel can be decreased less than 20x10-6 and FeO+MnO<3%in the final slag,which meets the needs of shaped block cast machine that lubricates with oil. KEY WORDS refining;deoxidizing;nozzle clogging;liquid steelVol.29 Suppl.1 杜松林等：连铸钢水快速精炼工艺实践 • 9 • 渣系+Al 脱氧+Ca 处理+软吹”快速精炼工艺，几乎 没有脱 S 作用． (4) 用于快速精炼的改质精炼渣系选择与优 化，必须和所精炼的钢种的化学成分相适应．精炼 效果好、经济的精炼渣成分优化、以及喂 Ca 量等 工艺问题，尚需进一步研究． 参 考 文 献 [1] 杜松林．转炉两步脱氧工艺研究．钢铁，2005, 40(4): 32 [2] 许中波, 张东力．精炼剂对钢水脱硫处理效果的影响．北京科 技大学学报，2000, 22(5): 435 [3] 龚坚, 王庆祥．钢液钙处理的热力学分析．炼钢，2003, (3): 56 [4] 张鉴．冶金熔体的计算热力学．北京：冶金工业出版社，1998: 364 [5] 郭汉杰．冶金物理化学教程．北京：冶金工业出版社，2004: 54 Fast refining process of continuous casting liquid steel DU Songlin1,2)， WU Jian2)， HU Yigui2)，GAO Zhenbo2) 1) Metallurgical and Ecological Engineering School, University of Science and Technology Beijing，Beijing 100083，China 2) No.3 Steel Making and Rolling Combination Mill，Masteel, Anhui 243000, China ABSTRACT Liquid steel for continuous casting was refined quickly at the alloy conditioning station in Masteel with the mixture of CaO-SiO2-CaC2 to slag and Al, SiCa to deoxidize in the period of 18 min (converter match to cast). The activity of oxygen in liquid steel can be decreased less than 20×10−6 and FeO+MnO<3% in the final slag, which meets the needs of shaped block cast machine that lubricates with oil. KEY WORDS refining; deoxidizing; nozzle clogging; liquid steel