| LF精炼过程中氧与夹杂物控制实践 |
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| 引用本文： | 刘卫东,张新文,金凤奎,黄建军,周伟. LF精炼过程中氧与夹杂物控制实践[J]. 南方金属, 2011, 0(5): 33-38 |
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| 作者姓名： | 刘卫东 张新文 金凤奎 黄建军 周伟 |
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| 作者单位： | 南通宝钢钢铁有限公司,江苏南通,226002 |
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| 摘 要： | 介绍LF精炼过程中氧的来源及控制.氧的来源主要有:1)电炉工序;2)LF精炼过程中电弧高温破坏了Al-O平衡,使钢液中自由氧上升;3)精炼过程中大翻氩气,造成钢液吸气.合适的碱度、合理的软吹Ar制度及喂入钙线或Ca - Si - Ba -Al线能很好的使夹杂物上浮并去除.
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| 关 键 词： | LF精炼 钢液 脱氧 平衡 |
Control of oxygen and inclusion in LF refining process |
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| LIU Wei-dong,ZHANG Xin-wen,JIN Feng-kui,HUANG Jian-jun,ZHOU Wei. Control of oxygen and inclusion in LF refining process[J]. Southern Metals, 2011, 0(5): 33-38 |
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| Authors: | LIU Wei-dong ZHANG Xin-wen JIN Feng-kui HUANG Jian-jun ZHOU Wei |
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| Affiliation: | LIU Wei-dong,ZHANG Xin-wen,JIN Feng-kui,HUANG Jian-jun,ZHOU Wei (Nantong Baosteel Iron & Steel Co.,Ltd.Nantong 226002,Jiangsu) |
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| Abstract: | The control and source of oxygen in LF(low frequency) refining process are dealt with in the article.The oxygen was found to come from 1) the electric furnace process itself;2) the increase of the free oxygen in the molten steel due to the destruction of the Al-O high-temperature equilibrium during the refining;and 3) the air absorption of molten steel caused by severe argon stirring.The inclusion could be well removed by selecting a proper alkalinity,employing a proper soft Ar blowing system,and feeding ca... |
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| Keywords: | LF refining molten steel:deoxidation equilibrium |
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