| 发明名称 |
Sealing device for electrode openings in electric arc furnaces. |
| 摘要 |
<p>A sealing device for an electrode opening (18) in electric arc furnaces comprises refractory portions (2, 7 and 8,13) consisting of high-alumina material with an Al₂O₃ content higher than 80% encased in metal and defining in the region of a gas inlet a spiral-shaped chamber (11) around an electrode (10). </p> |
| 申请公布号 |
EP0216471(A2) |
申请公布日期 |
1987.04.01 |
| 申请号 |
EP19860305921 |
申请日期 |
1986.08.01 |
| 申请人 |
N P P PO ELEKTROTERMIA |
发明人 |
BAKALOV, NIKOLAY GEORGIEV;PENEV, PENYO IVANOV;IVANOV, IVAN KOLEV;VELEV, VELYO TODOROV;SAVOV, PETER HRISTOV;VULCHEV, ALEXANDER YORDANOV |
| 分类号 |
F27D11/08;H05B7/12;(IPC1-7):F27B14/06;F27D11/10 |
主分类号 |
F27D11/08 |
| 代理机构 |
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代理人 |
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| 主权项 |
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