JP2006022408A - 溶鉄製造方法 - Google Patents
溶鉄製造方法 Download PDFInfo
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- JP2006022408A JP2006022408A JP2005255541A JP2005255541A JP2006022408A JP 2006022408 A JP2006022408 A JP 2006022408A JP 2005255541 A JP2005255541 A JP 2005255541A JP 2005255541 A JP2005255541 A JP 2005255541A JP 2006022408 A JP2006022408 A JP 2006022408A
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- furnace
- rotary hearth
- reduced iron
- iron
- gas
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
【解決手段】回転炉床式還元炉1から排出された還元鉄に混入した異物を除去する分級手段3と、前記異物が除去された前記還元鉄を溶鉄製造炉8へ定量的に供給する供給手段6と、溶鉄製造炉8生成ガスの除塵・冷却手段15と、生成ガス量調整手段18とを備えたことを特徴とする。
【選択図】 図1
Description
Claims (1)
- 少なくとも粉状酸化鉄含有物質と粉状炭素質還元材とを混合してなる原料を還元して還元鉄を得る還元工程と、該還元工程から排出された還元鉄に混入したこの還元鉄よりも小径の異物を分級手段により分級し、この小径の異物を除去する分級工程と、該分級工程で前記小径の異物が除去された還元鉄を溶解し溶鉄を得る溶解工程とを備えた溶鉄製造方法であって、前記小径の異物が炉床表面保護または炉内雰囲気調整のために用いられる粉状炭素質物質または粉状耐火物物質であることを特徴とする溶鉄製造方法。
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JP2005255541A JP4220988B2 (ja) | 2005-09-02 | 2005-09-02 | 溶鉄製造方法 |
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JP2005255541A JP4220988B2 (ja) | 2005-09-02 | 2005-09-02 | 溶鉄製造方法 |
Related Parent Applications (1)
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JP2000230961A Division JP3735016B2 (ja) | 2000-07-31 | 2000-07-31 | 溶鉄製造方法および溶鉄製造装置 |
Publications (2)
Publication Number | Publication Date |
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JP2006022408A true JP2006022408A (ja) | 2006-01-26 |
JP4220988B2 JP4220988B2 (ja) | 2009-02-04 |
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JP2005255541A Expired - Fee Related JP4220988B2 (ja) | 2005-09-02 | 2005-09-02 | 溶鉄製造方法 |
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JP (1) | JP4220988B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374773A (zh) * | 2010-08-08 | 2012-03-14 | 中国铝业股份有限公司 | 一种炭素回转窑沉降室改造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8518146B2 (en) | 2009-06-29 | 2013-08-27 | Gb Group Holdings Limited | Metal reduction processes, metallurgical processes and products and apparatus |
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2005
- 2005-09-02 JP JP2005255541A patent/JP4220988B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374773A (zh) * | 2010-08-08 | 2012-03-14 | 中国铝业股份有限公司 | 一种炭素回转窑沉降室改造方法 |
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JP4220988B2 (ja) | 2009-02-04 |
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