CaO-Al2O3基连铸保护渣对Al2O3溶解行为的研究

许进忠; 韩毅华; 毕延雪; 杨帆; 朱立光

doi:10.7513/j.issn.1004-7638.2018.02.021

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CaO-Al₂O₃基连铸保护渣对Al₂O₃溶解行为的研究

doi: 10.7513/j.issn.1004-7638.2018.02.021

许进忠^1,2,
韩毅华^1,2,
毕延雪³,
杨帆^1,2,
朱立光^1,2

1. 华北理工大学冶金与能源学院, 河北唐山 063210;
2. 河北省高品质钢连铸工程技术研究中心, 河北唐山 063000;
3. 华北理工大学以升创新教育基地, 河北唐山 063210

基金项目:

校级大学生创新训练计划项目(X2017333)。

国家自然科学基金资助课题(No.51604119)

详细信息

作者简介:
许进忠：韩毅华(1982—),男,河北辛集人,副教授,通讯作者,从事凝固理论与铸坯质量控制及连铸保护渣相关基础研究工作。E-mail:hanyihua12345@163.com。

中图分类号: TF777．1
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- 被引次数: 0
出版历程
- 收稿日期: 2017-12-14

Study on the Dissolution Behavior of Al₂O₃ for CaO-Al₂O₃ Based Slag

1. College of Metallurgy and Energy, North China University of Science and Technology, Tangshan 063210, Hebei, China;
2. Hebei Engineering Research Center of High Quality Steel Continuous Casting, Tangshan 063000, Hebei, China;
3. Yisheng College, North China University of Science and Technology, Tangshan 063210, Hebei, China

摘要

摘要: 采用旋转柱体法,研究了高铝高锰钢连铸过程中CaO-Al₂O₃-B₂O₃渣系对Al₂O₃的溶解行为,考察了Al₂O₃棒直径、温度和保护渣成分对Al₂O₃溶解行为的影响。结果表明,在一定时间内,1 300℃下,同种保护渣中Al₂O₃的溶解量随Al₂O₃直径的增大而增加;在一定直径和保护渣成分情况下,Al₂O₃的溶解量随温度的升高而增加;在一定直径和温度(1 300℃)下,2^#渣中Al₂O₃的溶解量最大;Al₂O₃的溶解速率在熔渣液渣面处最大。此外,在保护渣吸收Al₂O₃能力及吸收后性能稳定性方面,2^#渣优于其他三种保护渣。
- 高铝高锰钢 /
- 连铸 /
- 保护渣 /
- Al₂O₃溶解 /
- 渣金反应
Abstract: The dissolution behavior of Al₂O₃ in Ca O-Al₂O₃-B₂O₃ slag system during casting high Al and Mn steel was studied by rotating cylinder method. The effects of Al₂O₃ rod diameter,temperature and the composition of protective slag on the dissolution behavior of Al₂O₃ were investigated.All results show that for the the same type of mold powder at 1 300 ℃,the amount of Al₂O₃ dissolved increases with the Al₂O₃ rod’s diameter increasing in a certain period of time.Forthe same mold powder composition and rod diameter,the amount of Al₂O₃ dissolved will be increased with the rising temperature.While the amount of Al₂O₃ dissolution are the largest in slag No.2 at a certain diameter and temperature at 1 300 ℃.In addition,the dissolution rate of Al₂O₃ is found to be the largest on the slag surface.In addition,2#slag is superior to the other three kinds of mold fluxes in terms of the ability of slag to absorb Al₂O₃ and the performance stability after absorption.
- high aluminum high manganese steel /
- continuous casting /
- mold powder /
- Al₂O₃ dissolution /
- slag/metal reaction