Title:
METHOD FOR REFINING HOT METAL IN CONVERTOR
Document Type and Number:
WIPO Patent Application WO/2018/038508
Kind Code:
A1
Abstract:
A method for refining hot metal in a convertor is disclosed. In one embodiment, the method for refining hot metal in a convertor comprises the steps of: pouring hot metal tapped from a blast furnace into a ladle to transfer the hot metal to a kanvara reactor (KR) facility, and introducing a desulfurizing agent to remove sulfur (S); charging the desulfurized hot metal into a pretreatment converter, and removing silicon (Si) from the hot metal by blowing oxygen into the hot metal; tapping the desiliconized hot metal; and charging the tapped hot metal into a decarburizing converter to remove carbon (C). The hot metal poured into the ladle contains 0.6 to 8.0 wt% of silicon (Si).
Inventors:
KIM KYUNG HWAN (KR)
CHEONG GWON HEE (KR)
BYUN SEUNG YONG (KR)
LEE SANG YEOL (KR)
JEON YOUNG DUCK (KR)
CHEONG GWON HEE (KR)
BYUN SEUNG YONG (KR)
LEE SANG YEOL (KR)
JEON YOUNG DUCK (KR)
Application Number:
PCT/KR2017/009162
Publication Date:
March 01, 2018
Filing Date:
August 22, 2017
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C21C7/068; C21C5/30; C21C7/00; C22C38/02; F27D3/16; F27D7/02; F27D19/00
Domestic Patent References:
| WO2014068933A1 | 2014-05-08 |
Foreign References:
| KR20120122841A | 2012-11-07 | |||
| KR19980014324A | 1998-05-25 | |||
| KR20070059747A | 2007-06-12 | |||
| JP2011106031A | 2011-06-02 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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