发明名称 |
REDUCTION OF IRON-CONTAINING CHROMIUM ORE |
摘要 |
<p>Process for the reduction of iron containing chrome ores in which a mixture of chrome ore, coal and slag producers with an ore-coal ratio of 1:0.4 to 1:2 is heated in a rotating furnace in a CO containing atmosphere to temperatures of between 1100 DEG and 1580 DEG C. and in which the rotating furnace is heated in counter flow by a burner through the central nozzle of which oxygen and/or air is supplied. The burner is located at the reaction product discharge end of the furnace and 10 to 90% of the coal for the raw material mixture is introduced into the rotating furnace through the reaction product discharge end, with at least part of this coal being introduced through an outer nozzle of the burner.</p> |
申请公布号 |
JPS61272329(A) |
申请公布日期 |
1986.12.02 |
申请号 |
JP19860116295 |
申请日期 |
1986.05.22 |
申请人 |
FRIED KRUPP GMBH |
发明人 |
DEIITORITSUHI RAATOKE;UIRUHERUMU YANSEN;KURAUSU URURITSUHI |
分类号 |
C21B13/00;C21B13/08;C22B34/32;C22C30/00;C22C33/04 |
主分类号 |
C21B13/00 |
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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