| 发明名称 |
MAKING METHOD AND DEVICE OF IRON ORE PREREDUCTION |
| 摘要 |
The method effectively classifies iron ore by size according to the flow rate obtained by size difference of diameter of top/bottom of the fluidzed bed furnace. The method comprises: A) length ratio of dense layer: shrinking (2) part is 2:5; B) diameter ratio of cross section of dense part: thin (3) part is 9:5.
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| 申请公布号 |
KR940008450(B1) |
申请公布日期 |
1994.09.15 |
| 申请号 |
KR19920027501 |
申请日期 |
1992.12.31 |
| 申请人 |
KOREA RESEARCH ASSOCIATION OF NEW IRON & STEEL TECHNOLOGY |
发明人 |
CHOE, YONG - HUN;PARK, DAE - KYU;LEE, IL - OK;LEE, JONG - RYOL |
| 分类号 |
C21B11/08;C21B13/00;(IPC1-7):C21B11/08 |
主分类号 |
C21B11/08 |
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