JP4807099B2 - 高炉操業方法 - Google Patents
高炉操業方法 Download PDFInfo
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- JP4807099B2 JP4807099B2 JP2006045084A JP2006045084A JP4807099B2 JP 4807099 B2 JP4807099 B2 JP 4807099B2 JP 2006045084 A JP2006045084 A JP 2006045084A JP 2006045084 A JP2006045084 A JP 2006045084A JP 4807099 B2 JP4807099 B2 JP 4807099B2
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- partially reduced
- ore
- blast furnace
- blowing
- lance
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- Blast Furnaces (AREA)
Description
(1)高炉の羽口部から液体または気体である補助燃料と部分的に還元された鉄鉱石とを、前記羽口に接続したブローパイプに挿入されたランスを介して吹き込む高炉操業であって、前記鉄鉱石の還元率が40%以上、80%以下であり、前記ランスが内管と外管からなる2重管構造を有し、前記内管から前記鉄鉱石を、前記外管から前記補助燃料を吹き込むことを特徴とする高炉操業方法。
2 コークス装入孔
3 排ガス流出孔
4 羽口
5 ブローパイプ
6 ランス
6a ランス
6b ランス
6c 内管
6d 外管
7 レースウェイ
8 サンプリング位置
Claims (1)
- 高炉の羽口部から液体または気体である補助燃料と部分的に還元された鉄鉱石とを、前記羽口に接続したブローパイプに挿入されたランスを介して吹き込む高炉操業であって、前記鉄鉱石の還元率が40%以上、80%以下であり、前記ランスが内管と外管からなる2重管構造を有し、前記内管から前記鉄鉱石を、前記外管から前記補助燃料を吹き込むことを特徴とする高炉操業方法。
Priority Applications (1)
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JP2006045084A JP4807099B2 (ja) | 2006-02-22 | 2006-02-22 | 高炉操業方法 |
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JP2006045084A JP4807099B2 (ja) | 2006-02-22 | 2006-02-22 | 高炉操業方法 |
Publications (2)
Publication Number | Publication Date |
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JP2007224345A JP2007224345A (ja) | 2007-09-06 |
JP4807099B2 true JP4807099B2 (ja) | 2011-11-02 |
Family
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JP2006045084A Active JP4807099B2 (ja) | 2006-02-22 | 2006-02-22 | 高炉操業方法 |
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JP (1) | JP4807099B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7130898B2 (ja) * | 2019-03-28 | 2022-09-06 | 株式会社神戸製鋼所 | 高炉の操業方法 |
JP7310858B2 (ja) * | 2020-09-25 | 2023-07-19 | Jfeスチール株式会社 | 高炉操業方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61153216A (ja) * | 1984-12-27 | 1986-07-11 | Kawasaki Steel Corp | 高炉内への粉体吹き込み方法 |
JPH06172826A (ja) * | 1992-12-09 | 1994-06-21 | Nippon Steel Corp | 高炉操業方法 |
JPH09157712A (ja) * | 1995-12-04 | 1997-06-17 | Nippon Steel Corp | 高炉における微粉炭および紛状鉄源の同時吹込み操業方法 |
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2006
- 2006-02-22 JP JP2006045084A patent/JP4807099B2/ja active Active
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JP2007224345A (ja) | 2007-09-06 |
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