发明名称 |
Smelting or reduction furnace, in particular electric arc furnace with an open, semi-closed or closed configuration |
摘要 |
The invention relates to a melting or reduction furnace (2), in which the charge stock (9) is supplied using feed pipes (17). Each feed pipe (17) has a mouthpiece (18) that is not cooled and is configured from an uncooled wear-resistant inner guide pipe (19) and an uncooled concentric, heat-resistant outer protective pipe (20).
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申请公布号 |
US2009230600(A1) |
申请公布日期 |
2009.09.17 |
申请号 |
US20060921817 |
申请日期 |
2006.06.09 |
申请人 |
KUMMER KARL-HEINZ;BORGWARDT DIETER |
发明人 |
KUMMER KARL-HEINZ;BORGWARDT DIETER |
分类号 |
F27B3/18 |
主分类号 |
F27B3/18 |
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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