发明名称 |
HERDBUNN, SPESIELT FOR LIKESTROEMSLYSBUEOVNER. |
摘要 |
<p>A hearth for use in a furnace, which comprises an upper layer of magnesia containing chromic oxide, a lower layer containing graphite and an organic bonding agent, and an intermediate layer of a mixture of the materials forming the upper and lower layers. The hearth is particularly useful in DC arc funaces, in which steel rods embedded in the bottom act as the anode. The hearth has improved service durability.</p> |
申请公布号 |
NO163116(B) |
申请公布日期 |
1989.12.27 |
申请号 |
NO19850000991 |
申请日期 |
1985.03.13 |
申请人 |
DIDIER-WERKE AG;M.A.N. MASCHINENFABRIK AUGSBURG-NUERNBERG AG |
发明人 |
HLAWATSCHEK, HARTMUT;GELSDORF, GUENTER;BOEHM, KURT;SCHUBERT, MANFRED |
分类号 |
H05B7/085;C21C5/52;F27B3/12;F27B3/14;F27D11/10;H05B7/06;(IPC1-7):F27B3/12;F27D1/00;F27D11/08;F27B14/10 |
主分类号 |
H05B7/085 |
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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