Title:
STEELMAKING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/163558
Kind Code:
A1
Abstract:
According to one embodiment of the present invention, provided is a steelmaking method comprising the steps of: (a) extracting molten iron manufactured by charging a blast furnace with iron ore and biomass and by reducing the iron ore with reduction gas containing hydrogen; (b) extracting direct reduced iron manufactured by charging a reduction furnace with a material in which iron ore is contained and by blowing a reduction gas containing hydrogen so as to reduce the iron ore; and (c) charging an electric furnace with scrap, the extracted molten iron and the extracted direct reduced iron, thereby manufacturing molten steel.
Inventors:
KIM HYUK (KR)
KWON SUN HWAN (KR)
JO JONG OH (KR)
PARK BYUNG CHEOL (KR)
HWANG SUNG DOO (KR)
OH JOON SEOK (KR)
SHIN SANG GYUN (KR)
PARK SEUNG HWAN (KR)
SUN MIN JU (KR)
PARK YOUNG JOO (KR)
KIM KYUN TAE (KR)
LEE JAE MIN (KR)
KWON SUN HWAN (KR)
JO JONG OH (KR)
PARK BYUNG CHEOL (KR)
HWANG SUNG DOO (KR)
OH JOON SEOK (KR)
SHIN SANG GYUN (KR)
PARK SEUNG HWAN (KR)
SUN MIN JU (KR)
PARK YOUNG JOO (KR)
KIM KYUN TAE (KR)
LEE JAE MIN (KR)
Application Number:
PCT/KR2023/002729
Publication Date:
August 31, 2023
Filing Date:
February 27, 2023
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C21B5/00; C21C5/52
Foreign References:
| KR101818372B1 | 2018-01-12 | |||
| JP2014028984A | 2014-02-13 | |||
| KR20160022184A | 2016-02-29 | |||
| JP2018002750A | 2018-01-11 | |||
| KR20010105578A | 2001-11-29 |
Attorney, Agent or Firm:
LEE, In Haeng et al. (KR)
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