发明名称 |
METHOD FOR PRODUCING DIRECTLY REDUCED, DESULFURIZED IRON |
摘要 |
<p>The invention relates to a method for producing directly reduced, desulfurized iron in a multiple-hearth furnace which comprises two zones arranged one above the other and each having several hearths. Iron ore is reacted with a reducing agent in a first zone of the multiple-hearth furnace at a temperature ranging from 800° C. to 1100° C. to obtain metallic iron. In addition, the gases are desulfurized using desulphurizing agents, whereby the directly reduced iron is discharged from the multiple-hearth furnace and the desulfurized gases are guided into a second zone where the iron ore is preheated to a temperature ranging from 600° C. to 800° C.</p> |
申请公布号 |
EP1137816(B1) |
申请公布日期 |
2002.07.24 |
申请号 |
EP19990955955 |
申请日期 |
1999.11.04 |
申请人 |
PAUL WURTH S.A. |
发明人 |
ROTH, JEAN-LUC;HANSMANN, THOMAS;FRIEDEN, ROMAIN;SOLVI, MARC |
分类号 |
C21B13/06;C21B13/10;(IPC1-7):C21B13/10 |
主分类号 |
C21B13/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|