Title:
DEVICE FOR MANUFACTURING MOLTEN IRON
Document Type and Number:
WIPO Patent Application WO/2020/105901
Kind Code:
A1
Abstract:
A device for manufacturing molten iron is disclosed. The disclosed device for manufacturing molten iron, according to one exemplary embodiment of the present invention, may comprise: a multi-stage fluidized reduction furnace for reducing fine ore including hematite and limonite; a melter gasifier connected to the fluidized reduction furnace through an ore duct and a gas duct; a fluidized-bed oxidation furnace for oxidizing magnetite through steam provided from the fluidized reduction furnace and converting same to hematite; and a hydrogen treatment unit for treating hydrogen generated by the oxidation of the magnetite in the fluidized-bed oxidation furnace.
Inventors:
KO CHANG KUK (KR)
SHIN MYOUNG KYUN (KR)
SHIN MYOUNG KYUN (KR)
Application Number:
PCT/KR2019/014703
Publication Date:
May 28, 2020
Filing Date:
November 01, 2019
Export Citation:
Assignee:
POSCO (KR)
International Classes:
C21B13/00; C21B13/14; F27B15/02
Foreign References:
| KR101321928B1 | 2013-10-28 | |||
| KR20150006937A | 2015-01-20 | |||
| KR101384800B1 | 2014-04-14 | |||
| KR101451405B1 | 2014-10-15 | |||
| US6214084B1 | 2001-04-10 |
Other References:
See also references of EP 3885456A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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