| 发明名称 |
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| 摘要 |
<p>A DC arc furnace operation indicating system provides an indication and possibly a signal or control when during start-up the starting electrode does not make good electrical contact with a furnace charge of solid metal pieces and also thereafter when the shift is made to the melt electrode and it is not in a good electrical connection with the melt after the starting electrode is inactivated preparatory to the furnace going into normal production operation.</p> |
| 申请公布号 |
DE2806269(C2) |
申请公布日期 |
1987.07.02 |
| 申请号 |
DE19782806269 |
申请日期 |
1978.02.15 |
| 申请人 |
ASEA AB, VAESTERAAS, SE |
发明人 |
STENKVIST, SVEN-EINAR, DIPL.-ING., VAESTERAAS, SE |
| 分类号 |
H05B7/144;C21C5/52;F27D11/08;H05B7/00;H05B7/18;(IPC1-7):H05B7/20 |
主分类号 |
H05B7/144 |
| 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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