DE69521946T2 - Verfahren zum Erzeugen von Eisenschwamm mit niedrigem Schwefelgehalt - Google Patents

Verfahren zum Erzeugen von Eisenschwamm mit niedrigem Schwefelgehalt

Info

Publication number
DE69521946T2
DE69521946T2 DE1995621946 DE69521946T DE69521946T2 DE 69521946 T2 DE69521946 T2 DE 69521946T2 DE 1995621946 DE1995621946 DE 1995621946 DE 69521946 T DE69521946 T DE 69521946T DE 69521946 T2 DE69521946 T2 DE 69521946T2
Authority
DE
Germany
Prior art keywords
charge
layer
sulfur content
cpds
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
Application number
DE1995621946
Other languages
English (en)
Other versions
DE69521946D1 (de
Inventor
Rene Munnix
Didier Steyls
Marios Economopoulos
Jean Borlee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Application granted granted Critical
Publication of DE69521946D1 publication Critical patent/DE69521946D1/de
Publication of DE69521946T2 publication Critical patent/DE69521946T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Soft Magnetic Materials (AREA)
DE1995621946 1994-07-13 1995-06-15 Verfahren zum Erzeugen von Eisenschwamm mit niedrigem Schwefelgehalt Expired - Fee Related DE69521946T2 (de)

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 DE69521946D1 (de) 2001-09-06
DE69521946T2 true 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)

* Cited by examiner, † Cited by third party
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.
WO1998021372A1 (fr) * 1996-11-11 1998-05-22 Sumitomo Metal Industries, Ltd. Procede et dispositif de fabrication de fer reduit
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
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
EP1770175A1 (de) * 1997-09-30 2007-04-04 JFE Steel Corporation Drehherdofen zur Reduktion der Oxide
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
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
WO1999063119A1 (en) * 1998-05-29 1999-12-09 Bhp Innovation Pty Ltd Sustainable steelmaking by intensified direct reduction of iron oxide and solid waste minimisation
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
BR0105934B8 (pt) 2000-03-30 2013-09-17 mÉtodo para produzir ferro metÁlico granular.
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
BRPI0515812B1 (pt) * 2004-12-07 2014-09-23 Nu Iron Technology Llc Método para uso na produção de pepitas metálicas de ferro
US8021460B2 (en) * 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
WO2011001288A2 (en) 2009-06-29 2011-01-06 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE249031C (de) * 1900-01-01
DE91602C (de) *
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

Also Published As

Publication number Publication date
US5637133A (en) 1997-06-10
EP0692543B1 (de) 2001-08-01
DE69521946D1 (de) 2001-09-06
EP0692543A1 (de) 1996-01-17
ATE203777T1 (de) 2001-08-15
ES2160149T3 (es) 2001-11-01
JPH0827507A (ja) 1996-01-30
BE1008397A6 (fr) 1996-05-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee