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BaO-CaO-CaF2系渣用于钢液深脱磷能力
引用本文:田志红,孔祥涛,蔡开科,王新华,王涛,石洪志,朱立新. BaO-CaO-CaF2系渣用于钢液深脱磷能力[J]. 北京科技大学学报, 2005, 27(3): 294-297
作者姓名:田志红  孔祥涛  蔡开科  王新华  王涛  石洪志  朱立新
作者单位:1. 北京科技大学冶金学院,北京,100083
2. 上海宝山钢铁股份有限公司,上海,201900
摘    要:使用BaO-CaO-CaF2系渣在实验室中进行钢水深脱磷实验以获得超低磷钢水.实验结果表明,初始磷约为0.01%的条件下,获得了50%以上的脱磷率及0.005%以下最低0.002%的磷含量;脱磷效果受钢水氧化性影响显著.实验测得1 813~1 893K范围内该渣系的磷容量在1018~1019.35之间,并且随BaO含量增加,磷容量增大.

关 键 词:BaO-CaO-CaF2系渣  超低磷钢  深脱磷  磷容量  钢液  脱磷能力  liquid steel  flux  ability  dephosphorization  含量增加  磷容量  渣系  范围  实验测  影响  钢水氧化性  脱磷效果  磷含量  脱磷率  条件  结果  低磷钢水  深脱磷
修稿时间:2004-01-28

Deep dephosphorization ability of BaO-CaO-CaF2 flux for liquid steel
TIAN Zhihong,KONG Xiangtao,Cai Kaike,WANG Xinhua,WANG Tao,SHI Hongzhi,Zhu Lixin. Deep dephosphorization ability of BaO-CaO-CaF2 flux for liquid steel[J]. Journal of University of Science and Technology Beijing, 2005, 27(3): 294-297
Authors:TIAN Zhihong  KONG Xiangtao  Cai Kaike  WANG Xinhua  WANG Tao  SHI Hongzhi  Zhu Lixin
Abstract:Deep dephosphorization experiment was carried out in the laboratory by BaO-CaO-CaF2 flux to obtain ultra-low phosphorus steel. The result showed that the P content of the tested steel could decrease from about 0.01% to 0.005% or even lower to 0.002% with a dephosphorization ratio of 50% by use of this kind of flux. It is found that the oxidizability of steel has significant effect on dephosphoriztion when using the BaO-CaO-CaF2 flux. The phosphate capacity of the used system varied from 1018 to 1019.35 in 1 813-1 893 K and increased with the increasing of BaO content.
Keywords:BaO-CaO-CaF2 flux  ultra-low phosphorus steel  deep dephosphorization  phosphate capacity
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