发明名称 |
Method of operating ladle refining furnace |
摘要 |
The invention relates to a method of operating a ladle refining furnace for blowing Ar gas through bubbling lances submerged in molten steel in a ladle to stir the molten steel. The flow rate and the rate of change in the flow rate of the Ar gas blown through the bubbling lances are adjusted to prevent the iron lumps from attaching to the bubbling lances.
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申请公布号 |
US4552587(A) |
申请公布日期 |
1985.11.12 |
申请号 |
US19840674567 |
申请日期 |
1984.11.26 |
申请人 |
NIPPON KOKAN KABUSHIKI KAISHA |
发明人 |
NAKASHIMA, HIROHISA;KOMATSU, YOSHIMI;IKEDA, MASAFUMI;KONDO, TSUNEO |
分类号 |
C21C5/52;C21C7/00;(IPC1-7):C21C5/52 |
主分类号 |
C21C5/52 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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