RU2004109580A - Способ получения металлического железа - Google Patents
Способ получения металлического железа Download PDFInfo
- Publication number
- RU2004109580A RU2004109580A RU2004109580/02A RU2004109580A RU2004109580A RU 2004109580 A RU2004109580 A RU 2004109580A RU 2004109580/02 A RU2004109580/02 A RU 2004109580/02A RU 2004109580 A RU2004109580 A RU 2004109580A RU 2004109580 A RU2004109580 A RU 2004109580A
- Authority
- RU
- Russia
- Prior art keywords
- zone
- zones
- melting
- hearth
- furnace
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0086—Conditioning, transformation of reduced iron ores
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
- C21B13/105—Rotary hearth-type furnaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture Of Iron (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Tunnel Furnaces (AREA)
Claims (7)
1. Способ производства металлического железа, включающий этапы нагрева шихтовых материалов, включающих углеродистый восстанавливающий агент и содержащий оксид железа материал, в восстановительной плавильной печи с подвижным подом, восстановление и плавление оксидов железа в шихтовых материалах, причем упомянутая восстановительная плавильная печь разделена, по меньшей мере, на три зоны в направлении перемещения пода, по меньшей мере, одна из упомянутых зон, расположенная вначале по направлению перемещения пода, является зоной твердофазного восстановления, и, по меньшей мере, одна из упомянутых зон, расположенная в конце по направлению перемещения пода, является зоной науглероживания и плавления, а между зоной твердофазного восстановления и зоной науглероживания и плавления предусмотрена зона восстановительной выдержки.
2. Способ по п.1, причем температура атмосферы и/или состав газовой атмосферы в зоне восстановительной выдержки регулируются.
3. Способ по п.1 или 2, причем в зоне восстановительной выдержки в печь вводится атмосферный модификатор.
4. Способ по п.1 или 2, причем в зоне науглероживания и плавления в печь вводится атмосферный модификатор.
5. Способ по п.1 или 2, причем атмосферный модификатор вводится в печь посредством использования разделительной стенки между зонами.
6. Способ по п.1 или 2, причем разделительная стенка между зонами предусмотрена с одним или несколькими отверстиями для сообщения со смежной зоной.
7. Способ по п.1 или 2, причем температура атмосферы в зоне восстановительной выдержки регулируется в диапазоне 1200–1500°С.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001-263944 | 2001-08-31 | ||
| JP2001263944A JP4267843B2 (ja) | 2001-08-31 | 2001-08-31 | 金属鉄の製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2004109580A true RU2004109580A (ru) | 2005-05-20 |
| RU2279483C2 RU2279483C2 (ru) | 2006-07-10 |
Family
ID=19090622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2004109580/02A RU2279483C2 (ru) | 2001-08-31 | 2002-06-17 | Способ получения металлического железа |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7462219B2 (ru) |
| EP (1) | EP1422300A4 (ru) |
| JP (1) | JP4267843B2 (ru) |
| KR (1) | KR100660659B1 (ru) |
| CN (1) | CN100485048C (ru) |
| AU (1) | AU2002311298B9 (ru) |
| CA (1) | CA2448237C (ru) |
| RU (1) | RU2279483C2 (ru) |
| TW (1) | TW546386B (ru) |
| WO (1) | WO2003020988A1 (ru) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3679084B2 (ja) | 2002-10-09 | 2005-08-03 | 株式会社神戸製鋼所 | 溶融金属製造用原料の製造方法および溶融金属の製造方法 |
| TWI282818B (en) * | 2003-01-16 | 2007-06-21 | Kobe Steel Ltd | A rotary hearth furnace and iron production method thereby |
| JP4167113B2 (ja) * | 2003-04-17 | 2008-10-15 | 株式会社神戸製鋼所 | 還元鉄の製造方法及び装置 |
| CN100336915C (zh) * | 2004-05-12 | 2007-09-12 | 李振洪 | 含碳铁团块生产铁水的熔融还原炼铁法 |
| MX2007006785A (es) * | 2004-12-07 | 2007-10-08 | Nu Iron Technology Llc | Metodo y sistema para producir pepitas de hierro metalicas. |
| US7632330B2 (en) * | 2006-03-13 | 2009-12-15 | Michigan Technological University | Production of iron using environmentally-benign renewable or recycled reducing agents |
| JP4976822B2 (ja) * | 2006-11-14 | 2012-07-18 | 株式会社神戸製鋼所 | 粒状金属鉄の製造方法およびその装置 |
| JP2010261101A (ja) * | 2009-04-07 | 2010-11-18 | Mitsutaka Hino | 金属鉄の製法 |
| KR101042090B1 (ko) * | 2009-10-01 | 2011-06-16 | 박이현 | 정전류 회로를 갖는 교류 발광다이오드 회로 |
| JP5498137B2 (ja) * | 2009-11-30 | 2014-05-21 | 株式会社神戸製鋼所 | 回転炉床炉 |
| JP5503420B2 (ja) * | 2010-06-07 | 2014-05-28 | 株式会社神戸製鋼所 | 粒状金属の製造方法 |
| JP5503472B2 (ja) * | 2010-09-07 | 2014-05-28 | 株式会社神戸製鋼所 | 還元鉄の製造方法 |
| RU2489493C2 (ru) * | 2011-03-23 | 2013-08-10 | Александр Васильевич Рева | Способ термической металлизации железосодержащего рудоугольного сырья |
| US8788743B2 (en) * | 2012-04-11 | 2014-07-22 | Micron Technology, Inc. | Mapping between program states and data patterns |
| JP2015021148A (ja) * | 2013-07-17 | 2015-02-02 | 株式会社神戸製鋼所 | 被加熱物の加熱装置 |
| JP6099527B2 (ja) * | 2013-09-09 | 2017-03-22 | 株式会社神戸製鋼所 | 炉内耐火物損耗状態の測定方法 |
| CN104197719B (zh) * | 2014-09-28 | 2015-11-11 | 中冶南方工程技术有限公司 | 转底炉水冷检修盖板 |
| JP6403268B2 (ja) * | 2015-02-03 | 2018-10-10 | 株式会社神戸製鋼所 | 還元鉄の製造方法及び装置 |
| US10214700B1 (en) * | 2015-09-29 | 2019-02-26 | National Technology & Engineering Solutions Of Sandia, Llc | Methods utilizing durable functional materials for chemical processes that include an oxidation step |
| CN106403600A (zh) * | 2016-11-22 | 2017-02-15 | 江苏省冶金设计院有限公司 | 一种燃气熔分炉 |
| JP7035687B2 (ja) * | 2017-04-10 | 2022-03-15 | 日本製鉄株式会社 | 回転炉床炉を用いた還元鉄の製造方法及び回転炉床炉 |
| JP7215092B2 (ja) * | 2018-11-08 | 2023-01-31 | 住友金属鉱山株式会社 | 酸化鉱石の製錬方法 |
| JP7293634B2 (ja) * | 2018-12-18 | 2023-06-20 | 住友金属鉱山株式会社 | 酸化鉱石の製錬方法 |
| JP7211178B2 (ja) * | 2019-03-15 | 2023-01-24 | 住友金属鉱山株式会社 | ニッケル酸化鉱石の製錬方法 |
| JP7293910B2 (ja) * | 2019-06-26 | 2023-06-20 | 住友金属鉱山株式会社 | 酸化鉱石の製錬方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SK125398A3 (en) * | 1996-03-15 | 1999-05-07 | Kobe Steel Ltd | Method and apparatus for making metallic iron |
| JP3296974B2 (ja) * | 1996-08-15 | 2002-07-02 | 株式会社神戸製鋼所 | 直接還元法及び回転床炉 |
| JP3513832B2 (ja) * | 1997-09-30 | 2004-03-31 | Ｊｆｅスチール株式会社 | 移動型炉床炉の操業方法および移動型炉床炉 |
| EP0969105B1 (en) * | 1997-09-30 | 2007-08-15 | JFE Steel Corporation | Method of operating a movable hearth furnace for reducing oxides |
| US6413295B2 (en) | 1998-11-12 | 2002-07-02 | Midrex International B.V. Rotterdam, Zurich Branch | Iron production method of operation in a rotary hearth furnace and improved furnace apparatus |
| CN1219891C (zh) * | 1999-05-06 | 2005-09-21 | 株式会社神户制钢所 | 直接还原法及回转炉床炉 |
| JP3442717B2 (ja) | 1999-05-06 | 2003-09-02 | 株式会社神戸製鋼所 | 直接還元法および回転床炉 |
| JP4572435B2 (ja) | 1999-12-24 | 2010-11-04 | Ｊｆｅスチール株式会社 | 鉄含有物からの還元鉄の製造方法 |
| PE20020070A1 (es) | 2000-03-30 | 2002-02-05 | Midrex Internat B V | Metodo de producir hierro metalico y dispositivo de alimentacion de materia prima |
| JP3679084B2 (ja) | 2002-10-09 | 2005-08-03 | 株式会社神戸製鋼所 | 溶融金属製造用原料の製造方法および溶融金属の製造方法 |
-
2001
- 2001-08-31 JP JP2001263944A patent/JP4267843B2/ja not_active Expired - Fee Related
-
2002
- 2002-06-17 CA CA2448237A patent/CA2448237C/en not_active Expired - Fee Related
- 2002-06-17 KR KR1020047002988A patent/KR100660659B1/ko not_active IP Right Cessation
- 2002-06-17 CN CNB028140877A patent/CN100485048C/zh not_active Expired - Fee Related
- 2002-06-17 EP EP02736125A patent/EP1422300A4/en not_active Withdrawn
- 2002-06-17 WO PCT/JP2002/005997 patent/WO2003020988A1/ja active Application Filing
- 2002-06-17 AU AU2002311298A patent/AU2002311298B9/en not_active Ceased
- 2002-06-17 RU RU2004109580/02A patent/RU2279483C2/ru not_active IP Right Cessation
- 2002-06-17 US US10/486,498 patent/US7462219B2/en not_active Expired - Lifetime
- 2002-08-05 TW TW091117542A patent/TW546386B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA2448237A1 (en) | 2003-03-13 |
| US7462219B2 (en) | 2008-12-09 |
| CN100485048C (zh) | 2009-05-06 |
| EP1422300A4 (en) | 2007-08-22 |
| KR20040029104A (ko) | 2004-04-03 |
| CN1527886A (zh) | 2004-09-08 |
| US20040211295A1 (en) | 2004-10-28 |
| CA2448237C (en) | 2010-04-27 |
| KR100660659B1 (ko) | 2006-12-21 |
| TW546386B (en) | 2003-08-11 |
| EP1422300A1 (en) | 2004-05-26 |
| WO2003020988A1 (fr) | 2003-03-13 |
| AU2002311298B9 (en) | 2008-10-23 |
| JP2003073717A (ja) | 2003-03-12 |
| RU2279483C2 (ru) | 2006-07-10 |
| AU2002311298B2 (en) | 2008-06-19 |
| JP4267843B2 (ja) | 2009-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20190618 |