ZA992438B - Method of producing a reduced metal, and traveling hearth furnace for producing same. - Google Patents

Method of producing a reduced metal, and traveling hearth furnace for producing same.

Info

Publication number
ZA992438B
ZA992438B ZA9902438A ZA992438A ZA992438B ZA 992438 B ZA992438 B ZA 992438B ZA 9902438 A ZA9902438 A ZA 9902438A ZA 992438 A ZA992438 A ZA 992438A ZA 992438 B ZA992438 B ZA 992438B
Authority
ZA
South Africa
Prior art keywords
producing
hearth furnace
reduced metal
traveling hearth
same
Prior art date
Application number
ZA9902438A
Other languages
English (en)
Inventor
Yoshitaka Sawa
Tetsuya Yamamoto
Kanji Takeda
Hiroshi Itaya
Original Assignee
Kawasaki Steel Co
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 Kawasaki Steel Co filed Critical Kawasaki Steel Co
Publication of ZA992438B publication Critical patent/ZA992438B/xx

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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
    • 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
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Tunnel Furnaces (AREA)
ZA9902438A 1999-02-03 1999-03-30 Method of producing a reduced metal, and traveling hearth furnace for producing same. ZA992438B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2673999 1999-02-03

Publications (1)

Publication Number Publication Date
ZA992438B true ZA992438B (en) 1999-10-01

Family

ID=12201680

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9902438A ZA992438B (en) 1999-02-03 1999-03-30 Method of producing a reduced metal, and traveling hearth furnace for producing same.

Country Status (10)

Country Link
US (1) US6126718A (id)
EP (1) EP1026265B1 (id)
KR (1) KR100500079B1 (id)
CN (1) CN1231602C (id)
AU (1) AU765530B2 (id)
BR (1) BR9902358A (id)
DE (1) DE69920866T2 (id)
ID (1) ID24687A (id)
MY (1) MY138135A (id)
ZA (1) ZA992438B (id)

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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
PE20020070A1 (es) * 2000-03-30 2002-02-05 Midrex Internat B V Metodo de producir hierro metalico y dispositivo de alimentacion de materia prima
JP2001279313A (ja) 2000-03-30 2001-10-10 Midrex Internatl Bv 溶融金属鉄の製法
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
JP4287572B2 (ja) 2000-04-26 2009-07-01 株式会社神戸製鋼所 回転式炉床炉
JP3879375B2 (ja) 2000-08-07 2007-02-14 Ｊｆｅスチール株式会社 移動型炉床炉への原料等装入方法
US20020053307A1 (en) * 2000-10-31 2002-05-09 Natsuo Ishiwata Method for discharging reduced product from a moveable-hearth furnace and a discharging device
AU780672B2 (en) * 2000-10-31 2005-04-07 Jfe Steel Corporation A method for discharging reduced product from a movable-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
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
US6814924B2 (en) * 2001-10-22 2004-11-09 Kobe Steel, Ltd. Rotary hearth furnace and screw thereof for discharging reduced iron
JP4256645B2 (ja) * 2001-11-12 2009-04-22 株式会社神戸製鋼所 金属鉄の製法
MY133537A (en) * 2002-01-24 2007-11-30 Kobe Steel Ltd Method for making molten iron
TW200403344A (en) * 2002-06-18 2004-03-01 Kobe Steel Ltd Method of producing stainless steel by re-using waste material of stainless steel producing process
JP4153281B2 (ja) * 2002-10-08 2008-09-24 株式会社神戸製鋼所 酸化チタン含有スラグの製造方法
RU2313595C2 (ru) * 2002-10-18 2007-12-27 Кабусики Кайся Кобе Сейко Се Способ получения ферроникеля и способ получения исходного материала для получения ферроникеля
TWI282818B (en) * 2003-01-16 2007-06-21 Kobe Steel Ltd A rotary hearth furnace and iron production method thereby
JP4438297B2 (ja) * 2003-03-10 2010-03-24 株式会社神戸製鋼所 還元金属の製造方法および炭材内装塊成物
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
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
MX2007006785A (es) * 2004-12-07 2007-10-08 Nu Iron Technology Llc Metodo y sistema para producir pepitas de hierro metalicas.
EP2690181A1 (en) 2006-07-26 2014-01-29 Nu-Iron Technology, Inc Method and system for producing metallic iron nuggets
US8021460B2 (en) 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
US8097065B2 (en) 2006-10-04 2012-01-17 Nu-Iron Technology, Llc System and method for producing metallic iron
CA2713442A1 (en) * 2008-01-30 2009-08-27 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
US8647075B2 (en) * 2009-03-18 2014-02-11 Eaton Corporation Control valve for a variable displacement pump
WO2012030413A2 (en) * 2010-09-03 2012-03-08 Forest Vue Research Llc Method for simultaneously producing iron, coke, and power
US8690986B2 (en) 2010-09-03 2014-04-08 Forest Vue Research, Llc Method for simultaneously producing iron, coke, and power
CN102925612A (zh) * 2012-10-31 2013-02-13 长沙矿冶研究院有限责任公司 利用隧道窑还原焙烧从硫酸渣中提取海绵铁的方法
US9077008B2 (en) 2013-03-15 2015-07-07 Exxonmobil Research And Engineering Company Integrated power generation and chemical production using fuel cells
CA2902986C (en) 2013-03-15 2019-09-17 Paul J. Berlowitz Integrated operation of molten carbonate fuel cells
US9755258B2 (en) 2013-09-30 2017-09-05 Exxonmobil Research And Engineering Company Integrated power generation and chemical production using solid oxide fuel cells
US9556753B2 (en) 2013-09-30 2017-01-31 Exxonmobil Research And Engineering Company Power generation and CO2 capture with turbines in series
US9819042B2 (en) 2013-09-30 2017-11-14 Exxonmobil Research And Engineering Company Fuel cell integration within a heat recovery steam generator
JP6314781B2 (ja) 2014-10-06 2018-04-25 住友金属鉱山株式会社 ニッケル酸化鉱の製錬方法
JP6900696B2 (ja) * 2017-02-09 2021-07-07 住友金属鉱山株式会社 金属酸化物の製錬方法
WO2020112812A1 (en) 2018-11-30 2020-06-04 Exxonmobil Research And Engineering Company Operation of molten carbonate fuel cells with enhanced co 2 utilization
US11211621B2 (en) 2018-11-30 2021-12-28 Exxonmobil Research And Engineering Company Regeneration of molten carbonate fuel cells for deep CO2 capture
WO2020112806A1 (en) 2018-11-30 2020-06-04 Exxonmobil Research And Engineering Company Layered cathode for molten carbonate fuel cell
US11476486B2 (en) 2018-11-30 2022-10-18 ExxonMobil Technology and Engineering Company Fuel cell staging for molten carbonate fuel cells
KR102662253B1 (ko) 2018-11-30 2024-04-29 퓨얼셀 에너지, 인크 Co2 이용률이 향상된 용융 탄산염 연료 전지의 증가된 압력 작동
US11742508B2 (en) 2018-11-30 2023-08-29 ExxonMobil Technology and Engineering Company Reforming catalyst pattern for fuel cell operated with enhanced CO2 utilization
WO2021107933A1 (en) 2019-11-26 2021-06-03 Exxonmobil Research And Engineering Company Fuel cell module assembly and systems using same
KR20220107183A (ko) 2019-11-26 2022-08-02 엑손모빌 테크놀로지 앤드 엔지니어링 컴퍼니 높은 전해질 충전 수준을 갖는 용융 탄산염 연료 전지의 작동
US11978931B2 (en) 2021-02-11 2024-05-07 ExxonMobil Technology and Engineering Company Flow baffle for molten carbonate fuel cell

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US1868952A (en) * 1930-06-30 1932-07-26 Internat Chromium Process Corp Production of sponge iron
US1885381A (en) * 1930-06-30 1932-11-01 Kenneth M Simpson Process for the production of iron
US3443931A (en) * 1965-09-10 1969-05-13 Midland Ross Corp Process for making metallized pellets from iron oxide containing material
US3770417A (en) * 1971-02-23 1973-11-06 Salem Corp Simultaneous production of metallized ores and coke
SE380832B (sv) * 1974-03-15 1975-11-17 Asea Ab Sett och anordning for framstellning av kolhaltig metallsmelta ur metalloxidhaltigt material
US5186741A (en) * 1991-04-12 1993-02-16 Zia Patent Company Direct reduction process in a rotary hearth furnace
BE1008397A6 (fr) * 1994-07-13 1996-05-07 Centre Rech Metallurgique Procede pour fabriquer une eponge de fer a basse teneur en soufre.
JP3779009B2 (ja) * 1996-11-18 2006-05-24 株式会社 テツゲン 製鉄ダストからの高品位還元鉄の製造方法
JP3301326B2 (ja) * 1996-11-20 2002-07-15 住友金属工業株式会社 還元鉄の製造方法
JP3873367B2 (ja) * 1997-04-30 2007-01-24 Ｊｆｅスチール株式会社 移動型炉床炉の操業方法
JPH10317033A (ja) * 1997-05-19 1998-12-02 Sumitomo Metal Ind Ltd 還元鉄の製造方法
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

Also Published As

Publication number Publication date
EP1026265B1 (en) 2004-10-06
MY138135A (en) 2009-04-30
US6126718A (en) 2000-10-03
BR9902358A (pt) 2000-10-24
AU765530B2 (en) 2003-09-18
CN1231602C (zh) 2005-12-14
DE69920866D1 (de) 2004-11-11
DE69920866T2 (de) 2005-02-03
EP1026265A1 (en) 2000-08-09
KR20000056944A (ko) 2000-09-15
ID24687A (id) 2000-08-03
KR100500079B1 (ko) 2005-07-14
CN1262332A (zh) 2000-08-09
AU2258199A (en) 2000-08-10

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