Title:
POWDER SPRAYING SYSTEM AND ELECTRIC FURNACE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2023/210904
Kind Code:
A1
Abstract:
The present invention relates to a powder spraying system capable of foaming slag during an electric furnace operation, and an electric furnace including same. The present invention may include: a powdered carbon spray nozzle which has a pipe shape open at both ends and sprays a transport fluid containing powdered carbon into the inner space of a main body of the electric furnace through a first spray flow path formed therein; and a film cooling fluid nozzle which is formed in a pipe shape, closed toward an end part through which the transport fluid is sprayed, so as to surround the powdered carbon spray nozzle, and sprays a flowing film cooling fluid toward the first spray flow path through a second spray flow path formed so as to have an annular cross-section therein.
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Inventors:
SONG WOO SEOK (KR)
KIM KYUN TAE (KR)
PARK YOUNG JOO (KR)
SHIN DAE HOON (KR)
SHIN MYOUNG CHEOL (KR)
EOM JUNE YONG (KR)
LEE JAE RANG (KR)
LEE JAE MIN (KR)
JO JONG OH (KR)
KIM KYUN TAE (KR)
PARK YOUNG JOO (KR)
SHIN DAE HOON (KR)
SHIN MYOUNG CHEOL (KR)
EOM JUNE YONG (KR)
LEE JAE RANG (KR)
LEE JAE MIN (KR)
JO JONG OH (KR)
Application Number:
PCT/KR2022/018981
Publication Date:
November 02, 2023
Filing Date:
November 28, 2022
Export Citation:
Assignee:
HYUNDAI STEEL CO (KR)
International Classes:
C21C5/54; C21C5/30; C21C5/36; F27B14/06
Foreign References:
| KR20040068621A | 2004-07-31 | |||
| KR20030092910A | 2003-12-06 | |||
| CN113604627A | 2021-11-05 | |||
| JP2019002045A | 2019-01-10 | |||
| KR20160003805A | 2016-01-11 |
Attorney, Agent or Firm:
LEE, In Haeng et al. (KR)
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