Title:
METHOD AND APPARATUS FOR MANUFACTURING FERROCHROME
Document Type and Number:
WIPO Patent Application WO/2012/067353
Kind Code:
A2
Abstract:
Provided is a method and apparatus for manufacturing ferrochrome. According to the present invention, the method for manufacturing ferrochrome comprises the steps of: heating fine chromium ore; pre-reducing the heated fine chromium ore; mixing a flux into the fine chromium ore; preparing a compacted body after mixing the pre-reduced fine chromium ore and the flux; and loading the compacted body into a smelting-reduction furnace, and performing smelting-reduction through the combustion of carbonaceous material. According to the present invention, fine chromium ore can be compacted in a non-melted state and smelting-reduction can be carried out at a low temperature using a flux. Thus, ferrochrome can be stably manufactured in the smelting-reduction furnace utilizing a carbon-based heat source.
Inventors:
LEE YOUNG-SEOK (KR)
CHO MINYOUNG (KR)
YOON YOUNG SIK (KR)
KANG YONG SOO (KR)
CHO MINYOUNG (KR)
YOON YOUNG SIK (KR)
KANG YONG SOO (KR)
Application Number:
PCT/KR2011/007801
Publication Date:
May 24, 2012
Filing Date:
October 19, 2011
Export Citation:
Assignee:
POSCO (KR)
LEE YOUNG-SEOK (KR)
CHO MINYOUNG (KR)
YOON YOUNG SIK (KR)
KANG YONG SOO (KR)
LEE YOUNG-SEOK (KR)
CHO MINYOUNG (KR)
YOON YOUNG SIK (KR)
KANG YONG SOO (KR)
International Classes:
C22C33/04
Foreign References:
| KR940008935B1 | 1994-09-28 | |||
| KR910010056B1 | 1991-12-12 | |||
| JP2003247032A | 2003-09-05 | |||
| JPH06299219A | 1994-10-25 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
유미특허법인 (KR)
유미특허법인 (KR)
Download PDF:
Claims:
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