| 含铝钢LF精炼渣成分优化及造渣制度改进 |
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| 引用本文： | 国富兴,张迪凡,韩春良,翁玉娟,吴雨晨,王金星. 含铝钢LF精炼渣成分优化及造渣制度改进[J]. 河北冶金, 2011, 0(10): 36-38 |
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| 作者姓名： | 国富兴 张迪凡 韩春良 翁玉娟 吴雨晨 王金星 |
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| 作者单位： | 1. 河北钢铁集团承钢公司提钒炼钢一厂,河北承德,067102
2. 太原理工大学,山西太原,030024 |
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| 摘 要： | 针对含铝钢初炼钢水[C]低、[O]高的特点,提出采用CaO-Al2O3-CaF2系精炼渣,组分中CaO/Al2O3=1.7～1.9;出钢过程采用渣洗工艺向钢包加入大部分精炼渣,将连铸返回的热态精炼渣倒入精炼钢包中,缩短精炼成渣时间,保证足够的白渣和软吹时间。冶炼20Mn2A时,脱S率达到77.13%,铸坯T[O]为21×10^-6,铸坯中[Als]为0.026%,达到了良好的冶金效果。
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| 关 键 词： | LF精炼 含铝钢 渣洗工艺 钢渣循环 |
COMPOSITION OPTIMIZATION OF LF REFINING SLAG OF ALUMINIUM-BEARING STEEL AND IMPROVEMENT OF SLAG-MAKING SYSTEM |
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| Guo Fuxing,Zhang Difan,Han Chunliang,Wong Yujuan,Wu Yuchen,Wang Jinxing. COMPOSITION OPTIMIZATION OF LF REFINING SLAG OF ALUMINIUM-BEARING STEEL AND IMPROVEMENT OF SLAG-MAKING SYSTEM[J]. Hebei Metallurgy, 2011, 0(10): 36-38 |
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| Authors: | Guo Fuxing Zhang Difan Han Chunliang Wong Yujuan Wu Yuchen Wang Jinxing |
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| Affiliation: | Guo Fuxing1,Zhang Difan2,Han Chunliang1,Wong Yujuan1,Wu Yuchen1,Wang Jinxing1(1.Vanadium-Extracting Steelworks,Chengde Iron and Steel Company,Hebei Iron and Steel Group,Chengde,Hebei,067102,2.Taniyuan University of Technology,Taiyuan,Shanxi,030024) |
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| Abstract: | Against to the feature of preliminary-smelted aluminium-bearing steel: low content of carbon and high oxygen,it is proposed to adopt slag system of CaO-Al2O3-CaF2 including CaO/Al2O3 as 1.7～1.9,adopt slag-washing process in tapping to add most part of refining slag into ladle,pour hot refining slag returning from continuous casting into refining ladle to reduce refining slag-forming time and guarantee enough white slag and soft-blowing time.The good metallurgical result gets: when smelting 20Mn2A desulfurization ratio reaches to 77.13%,oxygen content in casting billet 21×10-6,aluminum 0.026%. |
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| Keywords: | LF refining steel bearing aluminum slag-washing process slag circulation |
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