DE69521946D1 - Verfahren zum Erzeugen von Eisenschwamm mit niedrigem Schwefelgehalt - Google Patents
Verfahren zum Erzeugen von Eisenschwamm mit niedrigem SchwefelgehaltInfo
- Publication number
- DE69521946D1 DE69521946D1 DE69521946T DE69521946T DE69521946D1 DE 69521946 D1 DE69521946 D1 DE 69521946D1 DE 69521946 T DE69521946 T DE 69521946T DE 69521946 T DE69521946 T DE 69521946T DE 69521946 D1 DE69521946 D1 DE 69521946D1
- Authority
- DE
- Germany
- Prior art keywords
- charge
- layer
- cpds
- sulphur
- low sulfur
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
-
- 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
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Soft Magnetic Materials (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9400652A BE1008397A6 (fr) | 1994-07-13 | 1994-07-13 | Procede pour fabriquer une eponge de fer a basse teneur en soufre. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521946D1 true DE69521946D1 (de) | 2001-09-06 |
DE69521946T2 DE69521946T2 (de) | 2002-04-04 |
Family
ID=3888249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1995621946 Expired - Fee Related DE69521946T2 (de) | 1994-07-13 | 1995-06-15 | Verfahren zum Erzeugen von Eisenschwamm mit niedrigem Schwefelgehalt |
Country Status (7)
Country | Link |
---|---|
US (1) | US5637133A (de) |
EP (1) | EP0692543B1 (de) |
JP (1) | JPH0827507A (de) |
AT (1) | ATE203777T1 (de) |
BE (1) | BE1008397A6 (de) |
DE (1) | DE69521946T2 (de) |
ES (1) | ES2160149T3 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS586022B2 (ja) * | 1979-09-27 | 1983-02-02 | 武笠 守良 | 車輛搭載用掘削装置 |
AUPN461695A0 (en) * | 1995-08-07 | 1995-08-31 | Technological Resources Pty Limited | A process for reducing iron oxides |
IT1287799B1 (it) * | 1996-09-06 | 1998-08-18 | Demag Italimpianti Spa | Forno a suola rotante. |
TW357193B (en) * | 1996-11-11 | 1999-05-01 | Sumitomo Metal Ind | Manufacturing method of reduced iron and the apparatus |
TW368521B (en) * | 1996-11-20 | 1999-09-01 | Sumitomo Metal Ind | Manufacturing method and apparatus for deoxidized iron |
US5972066A (en) * | 1997-04-22 | 1999-10-26 | Iron Dynamics, Inc. | Mixed bed iron reduction process |
KR100388329B1 (ko) * | 1997-09-30 | 2003-06-25 | 가와사끼 세이데쓰 가부시키가이샤 | 산화물의 환원용 이동형 노상로 및 그 조업방법 |
JP3480266B2 (ja) * | 1997-09-30 | 2003-12-15 | Jfeスチール株式会社 | 移動型炉床炉の操業方法 |
JP3482838B2 (ja) * | 1997-09-30 | 2004-01-06 | Jfeスチール株式会社 | 移動型炉床炉の操業方法 |
EP0933434A1 (de) | 1998-01-28 | 1999-08-04 | Sidmar N.V. | Verfahren und Vorrichtung zur Reduktion von Eisenoxiden |
JP3081581B2 (ja) * | 1998-03-23 | 2000-08-28 | 株式会社神戸製鋼所 | 高金属化率還元鉄塊成物の製造方法 |
KR20010074502A (ko) * | 1998-05-29 | 2001-08-04 | 추후보정 | 강력한 산화철 직접환원 및 고상 폐기물 최소화에 의한제강방법 |
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 |
US6126718A (en) * | 1999-02-03 | 2000-10-03 | Kawasaki Steel Corporation | Method of producing a reduced metal, and traveling hearth furnace for producing same |
EP1764420B1 (de) | 2000-03-30 | 2011-02-16 | Kabushiki Kaisha Kobe Seiko Sho | Verfahren zur Herstellung von metallischem Eisen in einem Schmelzreduktionsofen mit bewegender Sohle |
TW562860B (en) | 2000-04-10 | 2003-11-21 | Kobe Steel Ltd | Method for producing reduced iron |
US8470068B2 (en) * | 2004-12-07 | 2013-06-25 | Nu-Iron Technology, Llc | Method and system for producing metallic iron nuggets |
JP5388450B2 (ja) * | 2004-12-07 | 2014-01-15 | ニュー−アイロン テクノロジー リミテッド ライアビリティー カンパニー | 金属鉄ナゲットを生成するための方法およびシステム |
US8021460B2 (en) * | 2006-07-26 | 2011-09-20 | Nu-Iron Technology, Llc | System and method for producing metallic iron nodules |
US20110018179A1 (en) | 2009-06-29 | 2011-01-27 | Bairong Li | Metal reduction processes, metallurgical processes and products and apparatus |
US8287621B2 (en) | 2010-12-22 | 2012-10-16 | Nu-Iron Technology, Llc | Use of bimodal carbon distribution in compacts for producing metallic iron nodules |
JP5874295B2 (ja) * | 2011-10-13 | 2016-03-02 | Jfeスチール株式会社 | 還元鉄粉の製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE91602C (de) * | ||||
DE249031C (de) * | 1900-01-01 | |||
US2285487A (en) * | 1940-01-15 | 1942-06-09 | Kelsey Hayes Wheel Co | Method of and apparatus for producing sponge iron |
US2277067A (en) * | 1940-02-16 | 1942-03-24 | Minerals And Metals Corp | Manufacture of metal products |
US4189312A (en) * | 1976-01-05 | 1980-02-19 | Salem Furnace Co. | Weight ratio mixing of volatile containing carbonaceous materials with materials to be treated by the volatiles evolved therefrom |
JPS54147101A (en) * | 1978-05-11 | 1979-11-17 | Nippon Kokan Kk <Nkk> | Reducing and desulfurizing method for green pellet of high sulfur content |
US4701214A (en) | 1986-04-30 | 1987-10-20 | Midrex International B.V. Rotterdam | Method of producing iron using rotary hearth and apparatus |
US5186741A (en) * | 1991-04-12 | 1993-02-16 | Zia Patent Company | Direct reduction process in a rotary hearth furnace |
-
1994
- 1994-07-13 BE BE9400652A patent/BE1008397A6/fr not_active IP Right Cessation
-
1995
- 1995-06-15 DE DE1995621946 patent/DE69521946T2/de not_active Expired - Fee Related
- 1995-06-15 EP EP95870070A patent/EP0692543B1/de not_active Expired - Lifetime
- 1995-06-15 AT AT95870070T patent/ATE203777T1/de not_active IP Right Cessation
- 1995-06-15 ES ES95870070T patent/ES2160149T3/es not_active Expired - Lifetime
- 1995-07-06 JP JP19585995A patent/JPH0827507A/ja active Pending
- 1995-07-10 US US08/500,355 patent/US5637133A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2160149T3 (es) | 2001-11-01 |
ATE203777T1 (de) | 2001-08-15 |
EP0692543B1 (de) | 2001-08-01 |
JPH0827507A (ja) | 1996-01-30 |
DE69521946T2 (de) | 2002-04-04 |
EP0692543A1 (de) | 1996-01-17 |
US5637133A (en) | 1997-06-10 |
BE1008397A6 (fr) | 1996-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69521946D1 (de) | Verfahren zum Erzeugen von Eisenschwamm mit niedrigem Schwefelgehalt | |
AT393378B (de) | Verfahren zur vergasung von klaerschlamm | |
ATE94214T1 (de) | Verfahren zur herstellung von stahl aus feinerz. | |
EP0386596A3 (de) | Verfahren und Einrichtung zur trockenen, simultanen Entschwefelung und Entstaubung | |
DE59800653D1 (de) | Verfahren zur verwertung von feinkohle in einem einschmelzvergaser | |
EP0467545A3 (en) | Iron desulfurization additive and method for introduction into hot metals | |
EP0796349B1 (de) | Verfahren zum herstellen von eisenschwamm sowie anlage zur durchführung des verfahrens | |
NL176088B (nl) | Werkwijze voor het bedrijven van een staalconverter en een staalconverter te gebruiken hierbij. | |
ATE358T1 (de) | Verfahren und anlage zur reduktion von erzen. | |
DE59206680D1 (de) | Verfahren zur Reduktion von NE-Metalloxiden in Schlacken | |
DE3133575A1 (de) | Verfahren zur gaserzeugung | |
DE2607554A1 (de) | Verfahren zur reduktion von feinkoernigen eisenoxidhaltigen materialien in einer wirbelschicht | |
ATE112325T1 (de) | Verfahren zum betreiben eines kupolofens. | |
JPS5761628A (en) | Regeneration of calcium oxide from calcium sulfate utilizing fluidized bed | |
JPS5633022A (en) | Dry process desulfurizing method | |
ATE1297T1 (de) | Verfahren zur direktreduktion von eisenoxidhaltigen materialien. | |
FR2343054A1 (fr) | Boulettes de minerai de fer calcine comportant des macro-pores et leur procede de fabrication | |
JPS57155307A (en) | Desulfurization in reduction of iron ore in heat medium particle-circulated fluidized bed | |
JPS54102216A (en) | Treating method for reduced iron | |
Manasieva et al. | Melting loss and slag formation during melting in natural gas fired cupola without coke. Part 1: Melt loss and melting behavior | |
Kaplan et al. | Recycle of modified fly ash from furance sorbent injection. | |
JPS6334213B2 (de) | ||
JPS5715823A (en) | Treatment of gas produced in blast furnace slag treatment | |
JPS5634009A (en) | Fluidized device | |
JPS5761627A (en) | Regeneration of clucium oxide from calcium sulfate utilizing fluidized bed |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |