Title:
BLAST FURNACE OPERATION METHOD
Document Type and Number:
Japanese Patent JP2018024941
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a blast furnace operation method in which the reduction material ratio of blast furnace can be reduced.SOLUTION: Provided is a blast furnace operation method by blowing a solid reduction material from blast furnace tuyere and in which a solid reduction material adsorbed with oxygen of 0.055 kg/kg-coal or more is blown through a blast furnace tuyere via a lance.SELECTED DRAWING: None
Inventors:
MURAO AKINORI
YAMAMOTO NAOKI
MORIYA KOTA
FUKADA KIYOSHI
YAMAMOTO NAOKI
MORIYA KOTA
FUKADA KIYOSHI
Application Number:
JP2017144247A
Publication Date:
February 15, 2018
Filing Date:
July 26, 2017
Export Citation:
Assignee:
JFE STEEL CORP
International Classes:
C21B5/00
Domestic Patent References:
| JP2013234299A | 2013-11-21 | |||
| JP2011117074A | 2011-06-16 | |||
| JP2014062292A | 2014-04-10 | |||
| JP2015150520A | 2015-08-24 |
Foreign References:
| WO2014020965A1 | 2014-02-06 |
Attorney, Agent or Firm:
Shigeru Inoue
Kazuhiro Mori
Kazuhiro Mori
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