ZA200301963B - Method of manufacturing metal iron. - Google Patents

Method of manufacturing metal iron. Download PDF

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Publication number
ZA200301963B
ZA200301963B ZA200301963A ZA200301963A ZA200301963B ZA 200301963 B ZA200301963 B ZA 200301963B ZA 200301963 A ZA200301963 A ZA 200301963A ZA 200301963 A ZA200301963 A ZA 200301963A ZA 200301963 B ZA200301963 B ZA 200301963B
Authority
ZA
South Africa
Prior art keywords
hearth
renewable
iron
metallic iron
renewable hearth
Prior art date
Application number
ZA200301963A
Other languages
English (en)
Inventor
Osamu Tsuge
Yasuhiro Tanigaki
Isao Kobayashi
Koji Tokuda
Shoichi Kikuchi
Shuzo Ito
Original Assignee
Midrex Internat B V
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 Midrex Internat B V filed Critical Midrex Internat B V
Publication of ZA200301963B publication Critical patent/ZA200301963B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/10Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0046Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0066Preliminary conditioning of the solid carbonaceous reductant
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/008Use of special additives or fluxing agents
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/10Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105Rotary hearth-type furnaces
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24Binding; Briquetting ; Granulating
    • C22B1/242Binding; Briquetting ; Granulating with binders
    • C22B1/244Binding; Briquetting ; Granulating with binders organic
    • C22B1/245Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • C22B5/02Dry methods smelting of sulfides or formation of mattes
    • C22B5/10Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction 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)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Tunnel Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
ZA200301963A 2001-07-12 2003-03-11 Method of manufacturing metal iron. ZA200301963B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001212714A JP4266284B2 (ja) 2001-07-12 2001-07-12 金属鉄の製法

Publications (1)

Publication Number Publication Date
ZA200301963B true ZA200301963B (en) 2004-02-03

Family

ID=19047826

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200301963A ZA200301963B (en) 2001-07-12 2003-03-11 Method of manufacturing metal iron.

Country Status (15)

Country Link
US (2) US20040173054A1 (fr)
EP (1) EP1405925A4 (fr)
JP (1) JP4266284B2 (fr)
KR (1) KR100660657B1 (fr)
CN (1) CN100478454C (fr)
AU (1) AU2002311296B9 (fr)
BR (1) BR0205798A (fr)
CA (1) CA2448361C (fr)
MX (1) MXPA04000246A (fr)
PL (1) PL198614B1 (fr)
RU (1) RU2274660C2 (fr)
TW (1) TW533238B (fr)
UA (1) UA76991C2 (fr)
WO (1) WO2003008652A1 (fr)
ZA (1) ZA200301963B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2003034813A (ja) * 2001-07-24 2003-02-07 Kobe Steel Ltd 粒状金属鉄とスラグの分離促進方法
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
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
US8021460B2 (en) 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
EP2690181A1 (fr) * 2006-07-26 2014-01-29 Nu-Iron Technology, Inc Procédé et système de production de pépites de fer métallique
WO2008042997A1 (fr) * 2006-10-04 2008-04-10 Nu-Iron Technology, Llc Système et procédé destinés à la production de fer métallique
WO2008042996A1 (fr) * 2006-10-04 2008-04-10 Nu-Iron Technology, Llc Système et procédé destinés à la production de fer métallique
US8097065B2 (en) 2006-10-04 2012-01-17 Nu-Iron Technology, Llc System and method for producing metallic iron
CA2669314C (fr) * 2006-11-17 2015-01-06 Nu-Iron Technology, Llc Four a soles multiples pour la reduction d'oxyde de fer
US20110017016A1 (en) * 2007-01-12 2011-01-27 Nu-Iron Technology, Llc System and method for cooling and removing iron from a hearth
EP2225401B1 (fr) * 2007-12-19 2014-03-26 Nu-Iron Technology, LLC Système et procédé de production de fer métallique
US8518146B2 (en) * 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
US9115413B2 (en) 2010-03-02 2015-08-25 Giulio Grossi Apparatus and methods for producing direct reduced iron
JP2011252226A (ja) * 2010-05-06 2011-12-15 Kobe Steel Ltd 金属鉄の製造方法
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
AU2011297158A1 (en) * 2010-08-30 2013-02-14 Kabushiki Kaisha Kobe Seiko Sho Granular metal iron production method
US8287621B2 (en) * 2010-12-22 2012-10-16 Nu-Iron Technology, Llc Use of bimodal carbon distribution in compacts for producing metallic iron nodules
JP5790554B2 (ja) * 2012-03-14 2015-10-07 新日鐵住金株式会社 還元鉄の製造方法
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
JP7067413B2 (ja) * 2018-10-22 2022-05-16 日本製鉄株式会社 雰囲気炉の耐火物の点検方法及び還元鉄の製造方法
JP7255272B2 (ja) * 2019-03-25 2023-04-11 住友金属鉱山株式会社 ニッケル酸化鉱石の製錬方法、還元炉

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JPS5745234Y2 (fr) * 1978-10-09 1982-10-05
JPS5554340A (en) 1978-10-17 1980-04-21 Kureha Chem Ind Co Ltd Vinyl chloride resin composition
JPH0375721A (ja) 1989-08-18 1991-03-29 Ricoh Co Ltd 等倍結像素子
RU2093492C1 (ru) 1992-05-18 1997-10-20 Геннадий Константинович Плахов Способ восстановления изношенных участков основной огнеупорной футеровки
JPH0625758A (ja) * 1992-07-03 1994-02-01 Nippon Steel Corp 焼結促進材及びそれを用いた焼結鉱製造方法
US6506231B2 (en) * 1996-03-15 2003-01-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
SK125398A3 (en) * 1996-03-15 1999-05-07 Kobe Steel Ltd Method and apparatus for making metallic iron
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
JP4159634B2 (ja) 1997-10-23 2008-10-01 株式会社神戸製鋼所 金属鉄の製法および装置
JP2997459B1 (ja) * 1998-11-04 2000-01-11 株式会社神戸製鋼所 還元鉄塊成物の製造方法
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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
US6126718A (en) * 1999-02-03 2000-10-03 Kawasaki Steel Corporation Method of producing a reduced metal, and traveling hearth furnace for producing same
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
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
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
US20020053307A1 (en) * 2000-10-31 2002-05-09 Natsuo Ishiwata Method for discharging reduced product from a moveable-hearth furnace and a discharging device
US6648942B2 (en) * 2001-01-26 2003-11-18 Midrex International B.V. Rotterdam, Zurich Branch Method of direct iron-making / steel-making via gas or coal-based direct reduction and apparatus
US6749664B1 (en) * 2001-01-26 2004-06-15 Midrex International, B.V., Rotterdam, Zurich Branch Furnace hearth for improved molten iron production and method of operation
JP4691827B2 (ja) 2001-05-15 2011-06-01 株式会社神戸製鋼所 粒状金属鉄
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
JP4167101B2 (ja) * 2003-03-20 2008-10-15 株式会社神戸製鋼所 粒状金属鉄の製法
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

Also Published As

Publication number Publication date
RU2004103981A (ru) 2005-05-10
US20090031859A1 (en) 2009-02-05
CA2448361A1 (fr) 2003-01-30
JP4266284B2 (ja) 2009-05-20
MXPA04000246A (es) 2004-05-04
WO2003008652A1 (fr) 2003-01-30
PL373814A1 (en) 2005-09-19
JP2003049213A (ja) 2003-02-21
PL198614B1 (pl) 2008-07-31
CN100478454C (zh) 2009-04-15
BR0205798A (pt) 2003-07-29
AU2002311296B2 (en) 2007-11-22
KR20040013145A (ko) 2004-02-11
EP1405925A4 (fr) 2005-04-13
US7674316B2 (en) 2010-03-09
KR100660657B1 (ko) 2006-12-21
CA2448361C (fr) 2011-11-22
EP1405925A1 (fr) 2004-04-07
TW533238B (en) 2003-05-21
AU2002311296B9 (en) 2008-05-15
RU2274660C2 (ru) 2006-04-20
CN1516743A (zh) 2004-07-28
US20040173054A1 (en) 2004-09-09
UA76991C2 (uk) 2006-10-16

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