ES2188900T3 - Procedimiento de fabricacion de cuerpos compactados que comprenden hierro y dichos cuerpos. - Google Patents

Procedimiento de fabricacion de cuerpos compactados que comprenden hierro y dichos cuerpos.

Info

Publication number
ES2188900T3
ES2188900T3 ES97907310T ES97907310T ES2188900T3 ES 2188900 T3 ES2188900 T3 ES 2188900T3 ES 97907310 T ES97907310 T ES 97907310T ES 97907310 T ES97907310 T ES 97907310T ES 2188900 T3 ES2188900 T3 ES 2188900T3
Authority
ES
Spain
Prior art keywords
iron
metal
bodies
oxide
obtaining
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 - Lifetime
Application number
ES97907310T
Other languages
English (en)
Inventor
Takuya Negami
Kazuo Kunii
Shinichi Inaba
Masataka Shimizu
Isao Osaka Kobayashi
Yoshimichi Takenaka
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27550766&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2188900(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP05980196A external-priority patent/JP3845893B2/ja
Priority claimed from JP25711896A external-priority patent/JP4149531B2/ja
Priority claimed from JP25711496A external-priority patent/JPH10102114A/ja
Priority claimed from JP25711696A external-priority patent/JPH10102116A/ja
Priority claimed from JP25711596A external-priority patent/JPH10102115A/ja
Priority claimed from JP25711796A external-priority patent/JPH10102117A/ja
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Application granted granted Critical
Publication of ES2188900T3 publication Critical patent/ES2188900T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

UN METODO PARA OBTENER HIERRO METALICO EN EL QUE SE USAN COMO MATERIALES UN OXIDO COMPACTO QUE CONTIENE HIERRO, TAL COMO MINERAL DE HIERRO O SIMILARES, Y UN REDUCTOR CARBONOSO TAL COMO CARBON MINERAL O SIMILARES, Y EL OXIDO DE HIERRO SE REDUCE POR APLICACION DE CALOR, OBTENIENDOSE ASI HIERRO METALICO. EN EL CURSO DE LA REDUCCION, SE GENERA Y CRECE UNA CORTEZA DE HIERRO METALICO SOBRE EL COMPACTO, MIENTRAS QUE LA ESCORIA SE AGREGA DENTRO DE LA CORTEZA. LA REDUCCION CONTINUA HASTA QUE NO HAYA SUSTANCIALMENTE OXIDO DE HIERRO PRESENTE EN LA CORTEZA DE HIERRO METALICO. A CONTINUACION, SE REALIZA UN NUEVO CALENTAMIENTO PARA FUNDIR EL HIERRO METALICO Y LA ESCORIA. SE SEPARAN ENTRE SI EL HIERRO METALICO FUNDIDO Y LA ESCORIA FUNDIDA, OBTENIENDOSE ASI HIERRO METALICO CON UNA RELACION DE METALIZACION RELATIVAMENTE ALTA. MEDIANTE EL EMPLEO DE UN APARATO PARA OBTENER HIERRO METALICO DE LA PRESENTE INVENCION, EL METODO ANTERIORMENTE DESCRITO SE LLEVA A CABO DE FORMA EFICIENTE, Y SE PUEDE OBTENER HIERRO METALICO CON UNA ALTA PUREZA DE HIERRO DE FORMA CONTINUA Y PRODUCTIVA, NO SOLO A PARTIR DE OXIDO DE HIERRO CON UN ALTO CONTENIDO EN HIERRO SINO TAMBIEN A PARTIR DE OXIDO DE HIERRO CON UN CONTENIDO EN HIERRO RELATIVAMENTE BAJO.
ES97907310T 1996-03-15 1997-03-13 Procedimiento de fabricacion de cuerpos compactados que comprenden hierro y dichos cuerpos. Expired - Lifetime ES2188900T3 (es)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP05980196A JP3845893B2 (ja) 1996-03-15 1996-03-15 金属鉄の製法
JP25711896A JP4149531B2 (ja) 1996-09-27 1996-09-27 金属鉄の製造方法及び製造設備
JP25711496A JPH10102114A (ja) 1996-09-27 1996-09-27 金属鉄の製造方法及び製造設備
JP25711696A JPH10102116A (ja) 1996-09-27 1996-09-27 金属鉄の製造方法及び製造設備
JP25711596A JPH10102115A (ja) 1996-09-27 1996-09-27 金属鉄の製造方法及び製造設備
JP25711796A JPH10102117A (ja) 1996-09-27 1996-09-27 金属鉄の製造方法及び製造設備
PCT/JP1997/000806 WO1997034018A1 (en) 1996-03-15 1997-03-13 Method and apparatus for making metallic iron

Publications (1)

Publication Number Publication Date
ES2188900T3 true ES2188900T3 (es) 2003-07-01

Family

ID=27550766

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97907310T Expired - Lifetime ES2188900T3 (es) 1996-03-15 1997-03-13 Procedimiento de fabricacion de cuerpos compactados que comprenden hierro y dichos cuerpos.

Country Status (24)

Country Link
US (3) US6036744A (es)
EP (1) EP0888462B1 (es)
KR (1) KR100516507B1 (es)
CN (2) CN1080315C (es)
AR (1) AR006206A1 (es)
AT (1) ATE229083T1 (es)
AU (1) AU715276C (es)
BG (1) BG102721A (es)
BR (1) BR9707996A (es)
CA (2) CA2694865A1 (es)
CZ (1) CZ279498A3 (es)
DE (1) DE69717609T2 (es)
EA (1) EA001158B1 (es)
ES (1) ES2188900T3 (es)
HU (1) HUP9902339A3 (es)
ID (1) ID16250A (es)
IL (1) IL120440A0 (es)
NO (1) NO984161D0 (es)
NZ (1) NZ332283A (es)
PE (1) PE21298A1 (es)
PL (1) PL328812A1 (es)
SK (1) SK125398A3 (es)
TR (1) TR199801833T2 (es)
WO (1) WO1997034018A1 (es)

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IL120440A0 (en) * 1996-03-15 1997-07-13 Kobe Steel Ltd Method and apparatus for making metallic iron
US6506231B2 (en) * 1996-03-15 2003-01-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
US6149709A (en) 1997-09-01 2000-11-21 Kabushiki Kaisha Kobe Seiko Sho Method of making iron and steel
US6592648B2 (en) * 1997-11-17 2003-07-15 Mcmaster University Reduction of iron ore in ore/coal mixtures
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
US6582651B1 (en) 1999-06-11 2003-06-24 Geogia Tech Research Corporation Metallic articles formed by reduction of nonmetallic articles and method of producing metallic articles
JP2001279313A (ja) 2000-03-30 2001-10-10 Midrex Internatl Bv 溶融金属鉄の製法
BR0105934B8 (pt) * 2000-03-30 2013-09-17 mÉtodo para produzir ferro metÁlico granular.
JP2001288504A (ja) * 2000-03-31 2001-10-19 Midrex Internatl Bv 溶融金属鉄の製造方法
TW562860B (en) * 2000-04-10 2003-11-21 Kobe Steel Ltd Method for producing reduced iron
EP1160338A1 (en) * 2000-05-31 2001-12-05 DANIELI & C. OFFICINE MECCANICHE S.p.A. Process to preheat and reduce directly reduced iron (DRI) to be fed to an electric arc furnace (EAF)
JP4757982B2 (ja) * 2000-06-28 2011-08-24 株式会社神戸製鋼所 粒状金属鉄の歩留まり向上方法
JP4330257B2 (ja) * 2000-08-09 2009-09-16 株式会社神戸製鋼所 金属鉄の製法
US20020053307A1 (en) * 2000-10-31 2002-05-09 Natsuo Ishiwata Method for discharging reduced product from a moveable-hearth furnace and a discharging device
JP4691827B2 (ja) * 2001-05-15 2011-06-01 株式会社神戸製鋼所 粒状金属鉄
JP4669189B2 (ja) * 2001-06-18 2011-04-13 株式会社神戸製鋼所 粒状金属鉄の製法
JP4266284B2 (ja) * 2001-07-12 2009-05-20 株式会社神戸製鋼所 金属鉄の製法
JP4267843B2 (ja) 2001-08-31 2009-05-27 株式会社神戸製鋼所 金属鉄の製法
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
US6689182B2 (en) 2001-10-01 2004-02-10 Kobe Steel, Ltd. Method and device for producing molten iron
TWI282818B (en) * 2003-01-16 2007-06-21 Kobe Steel Ltd A rotary hearth furnace and iron production method thereby
JP4295544B2 (ja) * 2003-04-09 2009-07-15 株式会社神戸製鋼所 冶金用改質炭の製造方法、ならびに冶金用改質炭を用いた還元金属および酸化非鉄金属含有スラグの製造方法
US7413592B2 (en) * 2004-03-31 2008-08-19 Nu-Iron Technology, Llc Linear hearth furnace system and methods regarding same
US8470068B2 (en) * 2004-12-07 2013-06-25 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
EP1844168B1 (en) * 2004-12-07 2013-05-01 Nu-Iron Technology, LLC Method and system for producing metallic iron nuggets
AU2006284620B2 (en) * 2005-08-30 2010-12-16 The Chemours Company Fc,Llc Ore reduction process and titanium oxide and iron metallization product
JP4981320B2 (ja) * 2006-01-17 2012-07-18 株式会社神戸製鋼所 金属鉄の製法
US8021460B2 (en) * 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
WO2009017059A1 (ja) * 2007-07-27 2009-02-05 Kabushiki Kaisha Kobe Seiko Sho 炭材内装酸化金属ブリケットの製造方法
AU2008312639B2 (en) * 2007-10-15 2012-11-08 The Chemours Company Fc,Llc Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom
MX336463B (es) * 2008-12-22 2016-01-20 Hoeganaes Ab Publ Composicion que mejora la maquinabilidad.
CN102272337A (zh) * 2009-01-23 2011-12-07 株式会社神户制钢所 粒状铁的制造方法
WO2011001282A2 (en) 2009-06-29 2011-01-06 Bairong Li Metal reduction processes, metallurgical processes and products and apparatus
US8690986B2 (en) 2010-09-03 2014-04-08 Forest Vue Research, Llc Method for simultaneously producing iron, coke, and power
WO2012030413A2 (en) * 2010-09-03 2012-03-08 Forest Vue Research Llc Method for simultaneously producing iron, coke, and power
US8287621B2 (en) 2010-12-22 2012-10-16 Nu-Iron Technology, Llc Use of bimodal carbon distribution in compacts for producing metallic iron nodules
KR101442920B1 (ko) * 2012-12-18 2014-09-22 주식회사 포스코 환원철 제조방법 및 제조장치
KR101384801B1 (ko) * 2012-12-27 2014-04-21 주식회사 포스코 환원철의 제조방법
JP2014167164A (ja) 2013-02-01 2014-09-11 Kobe Steel Ltd 還元鉄の製造方法
BR112016016015B1 (pt) 2014-01-31 2021-07-27 Saudi Basic Industries Corporation Péletes de ferro compósito e método de produção dos mesmos
US11427877B2 (en) * 2017-09-21 2022-08-30 Nucor Corporation Direct reduced iron (DRI) heat treatment, products formed therefrom, and use thereof
US11060792B2 (en) * 2018-03-23 2021-07-13 Air Products And Chemicals, Inc. Oxy-fuel combustion system and method for melting a pelleted charge material
RU2743132C2 (ru) * 2020-03-24 2021-02-15 Владимир Иванович Лунёв Способ получения железа из оолитов бурожелезняковой руды и устройство для его реализации
EP4421190A4 (en) * 2021-11-30 2025-04-09 JFE Steel Corporation Production method for metal iron

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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
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TW562860B (en) * 2000-04-10 2003-11-21 Kobe Steel Ltd Method for producing reduced iron
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Also Published As

Publication number Publication date
BR9707996A (pt) 2000-01-04
KR100516507B1 (ko) 2005-11-25
CZ279498A3 (cs) 1999-07-14
PE21298A1 (es) 1998-05-01
CN1080315C (zh) 2002-03-06
WO1997034018A1 (en) 1997-09-18
EA199800828A1 (ru) 1999-02-25
DE69717609D1 (de) 2003-01-16
US6432533B1 (en) 2002-08-13
SK125398A3 (en) 1999-05-07
NO984161L (no) 1998-09-10
TR199801833T2 (xx) 1998-12-21
CN1368557A (zh) 2002-09-11
IL120440A0 (en) 1997-07-13
DE69717609T2 (de) 2003-05-22
NO984161D0 (no) 1998-09-10
CN1198945C (zh) 2005-04-27
HUP9902339A3 (en) 2001-09-28
CA2694865A1 (en) 1997-09-18
AU1940497A (en) 1997-10-01
KR19990087811A (ko) 1999-12-27
US6036744A (en) 2000-03-14
EA001158B1 (ru) 2000-10-30
US7938883B2 (en) 2011-05-10
AU715276C (en) 2007-05-03
PL328812A1 (en) 1999-02-15
EP0888462B1 (en) 2002-12-04
EP0888462A1 (en) 1999-01-07
NZ332283A (en) 2000-01-28
AU715276B2 (en) 2000-01-20
ID16250A (id) 1997-09-11
HUP9902339A2 (hu) 1999-11-29
AR006206A1 (es) 1999-08-11
BG102721A (en) 1999-03-31
US20090025511A1 (en) 2009-01-29
CN1218516A (zh) 1999-06-02
CA2248273C (en) 2010-05-18
ATE229083T1 (de) 2002-12-15
CA2248273A1 (en) 1997-09-18

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