[go: up one dir, main page]

ES2189022T3 - Metodo y aparato para la reduccion rapida del oxido de hierro en un horno de solera giratoria. - Google Patents

Metodo y aparato para la reduccion rapida del oxido de hierro en un horno de solera giratoria.

Info

Publication number
ES2189022T3
ES2189022T3 ES98104960T ES98104960T ES2189022T3 ES 2189022 T3 ES2189022 T3 ES 2189022T3 ES 98104960 T ES98104960 T ES 98104960T ES 98104960 T ES98104960 T ES 98104960T ES 2189022 T3 ES2189022 T3 ES 2189022T3
Authority
ES
Spain
Prior art keywords
compacts
iron oxide
fast reduction
solar oven
rotating solar
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
ES98104960T
Other languages
English (en)
Inventor
David Charles Meissner
Thomas H Boyd
James A Lepinski
Jimmy D Sloop
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.)
Midrex Technologies Inc
Original Assignee
Midrex Technologies Inc
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
Priority claimed from US08/832,414 external-priority patent/US5885521A/en
Application filed by Midrex Technologies Inc filed Critical Midrex Technologies Inc
Application granted granted Critical
Publication of ES2189022T3 publication Critical patent/ES2189022T3/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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • 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
    • 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

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)
  • Tunnel Furnaces (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO Y UN APARATO PARA LA PRODUCCION DIRECTA DE HIERRO REDUCIDO A PARTIR DE COMPACTOS SECOS FORMADOS POR OXIDO DE HIERRO Y MATERIAL CARBONACEO. DICHO PROCEDIMIENTO CONSISTE EN ALIMENTAR DICHOS COMPACTOS FORMANDO NO MAS DE DOS CAPAS DE ESPESOR SOBRE UNA SOLERA; ELIMINAR TODAS LAS MATERIAS VOLATILES Y METALIZAR DICHOS COMPACTOS MEDIANTE EXPOSICION A UNA FUENTE DE CALOR RADIANTE, A UNA TEMPERATURA ENTRE APROX. 1315 Y 1430 C, DURANTE UN TIEMPO TOTAL DE APROX. CUATRO A DIEZ MINUTOS, Y ENFRIAR PARCIALMENTE DICHOS COMPACTOS, AL TIEMPO QUE SE DESCARGAN DE LA SOLERA.
ES98104960T 1994-12-16 1998-03-18 Metodo y aparato para la reduccion rapida del oxido de hierro en un horno de solera giratoria. Expired - Lifetime ES2189022T3 (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US08/357,940 US5730775A (en) 1994-12-16 1994-12-16 Method for rapid reduction of iron oxide in a rotary hearth furnace
US08/832,414 US5885521A (en) 1994-12-16 1997-04-02 Apparatus for rapid reduction of iron oxide in a rotary hearth furnace
PCT/US1998/005006 WO1999046410A1 (en) 1994-12-16 1998-03-13 Method and apparatus for rapid reduction of iron oxide in a rotary hearth furnace
CA002232275A CA2232275C (en) 1994-12-16 1998-03-17 Method and apparatus for rapid reduction of iron oxide in a rotary hearth furnace
EP98104960A EP0947586B1 (en) 1994-12-16 1998-03-18 Method and apparatus for rapid reduction of iron oxide in a rotary hearth furnace
TW087104297A TW442573B (en) 1994-12-16 1998-03-23 Method for producing direct reduced iron from dry compacts, and apparatus for producing metal from direct reduced iron from dry compacts in a rotary hearth furnace

Publications (1)

Publication Number Publication Date
ES2189022T3 true ES2189022T3 (es) 2003-07-01

Family

ID=33437265

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98104960T Expired - Lifetime ES2189022T3 (es) 1994-12-16 1998-03-18 Metodo y aparato para la reduccion rapida del oxido de hierro en un horno de solera giratoria.

Country Status (9)

Country Link
US (1) US5730775A (es)
EP (1) EP0947586B1 (es)
AT (1) ATE229084T1 (es)
AU (1) AU6760598A (es)
CA (1) CA2232275C (es)
DE (1) DE69809883T2 (es)
ES (1) ES2189022T3 (es)
TW (1) TW442573B (es)
WO (1) WO1999046410A1 (es)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN461695A0 (en) * 1995-08-07 1995-08-31 Technological Resources Pty Limited A process for reducing iron oxides
US6506231B2 (en) 1996-03-15 2003-01-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
PL328812A1 (en) 1996-03-15 1999-02-15 Kobe Steel Ltd Method of and apparatus for obtaining metallic iron
JP3296974B2 (ja) * 1996-08-15 2002-07-02 株式会社神戸製鋼所 直接還元法及び回転床炉
TW357193B (en) * 1996-11-11 1999-05-01 Sumitomo Metal Ind Manufacturing method of reduced iron and the apparatus
US5951740A (en) * 1997-06-16 1999-09-14 Praxair Technology, Inc. Production of direct reduced iron with reduced fuel consumption and emission of carbon monoxide
JP3845978B2 (ja) * 1997-09-30 2006-11-15 Ｊｆｅスチール株式会社 回転炉床炉の操業方法および回転炉床炉
KR100388329B1 (ko) * 1997-09-30 2003-06-25 가와사끼 세이데쓰 가부시키가이샤 산화물의 환원용 이동형 노상로 및 그 조업방법
ID26484A (id) * 1997-12-26 2001-01-11 Nippon Kokan Kk Metode pemurnian besi lelehan dan metode reduksi pelelehan untuk memproduksi besi lelehan
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
EP0952230A1 (en) * 1998-03-24 1999-10-27 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Method of producing reduced iron agglomerates
US6120577A (en) * 1998-03-25 2000-09-19 Ltv Steel Company, Inc. Treatment of steel mill waste metal oxides
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
ZA995438B (en) * 1998-08-27 2000-03-20 Kobe Steel Ltd Method for operating moving hearth reducing furnace.
TW461920B (en) 1998-09-25 2001-11-01 Mitsubishi Heavy Ind Ltd Method of producing reduced iron and production facilities therefor
JP4060034B2 (ja) * 1998-10-30 2008-03-12 ミドレックス テクノロジーズ，インコーポレイテッド 複式炉における溶融鉄生成方法
US6685761B1 (en) 1998-10-30 2004-02-03 Midrex International B.V. Rotterdam, Zurich Branch Method for producing beneficiated titanium oxides
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
JP3404309B2 (ja) 1999-01-18 2003-05-06 株式会社神戸製鋼所 還元鉄塊成物の製造方法および製造装置
US6390810B1 (en) 1999-03-15 2002-05-21 Maumee Research & Engineering, Inc. Method and apparatus for reducing a feed material in a rotary hearth furnace
MXPA02000930A (es) * 1999-07-28 2002-07-30 Sidmar Nv Metodo para reducir oxidos metalicos y dispositivo para el mismo.
CN1276097C (zh) 1999-08-30 2006-09-20 株式会社神户制钢所 粒状还原铁原料的供给方法及其装置
JP4227710B2 (ja) 1999-09-17 2009-02-18 三菱重工業株式会社 還元鉄製造装置
US6368104B1 (en) * 1999-09-24 2002-04-09 The Boc Group, Inc. Rotary hearth furnace
DE60144072D1 (de) * 2000-03-30 2011-03-31 Kobe Seiko Sho Kobe Steel Kk Verfahren zur Herstellung von metallischem Eisen in einem Schmelzreduktionsofen mit bewegender Sohle
JP4540172B2 (ja) * 2000-03-30 2010-09-08 株式会社神戸製鋼所 粒状金属鉄の製法
TW562860B (en) * 2000-04-10 2003-11-21 Kobe Steel Ltd Method for producing reduced iron
US6802886B2 (en) 2000-06-05 2004-10-12 Midrex Technologies, Inc. Method of producing a metallized briquette
JP2002020813A (ja) * 2000-07-05 2002-01-23 Mitsubishi Heavy Ind Ltd 還元鉄製造装置
TW565617B (en) * 2000-10-30 2003-12-11 Nippon Steel Corp Raw pellets containing oxidized metal for a reduction furnace, a method for production the same, a method for reducing the raw pellets and a reducing apparatus
WO2002038815A1 (en) * 2000-11-10 2002-05-16 Nippon Steel Corporation Method for operating rotary hearth type reducing furnace and rotary hearth type reducing furnace facilities
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
JP2002363626A (ja) * 2001-06-11 2002-12-18 Kobe Steel Ltd 移動炉床炉の操業方法
KR100633871B1 (ko) * 2001-09-27 2006-10-13 신닛뽄세이테쯔 카부시키카이샤 산화 금속을 포함하는 성형체의 건조 방법, 산화 금속의환원 방법 및 회전로상식의 금속 환원로
US8197561B2 (en) * 2001-10-10 2012-06-12 River Basin Energy, Inc. Process for drying coal
WO2003080874A1 (en) * 2002-03-19 2003-10-02 Superior Graphite Co. Process and apparatus for the direct reduction of iron oxides in an electrothermal fluidized bed and resulant product
JP4307849B2 (ja) * 2003-01-07 2009-08-05 株式会社神戸製鋼所 クロム含有原料の還元方法
JP4490640B2 (ja) * 2003-02-26 2010-06-30 株式会社神戸製鋼所 還元金属の製造方法
AU2004252178B2 (en) * 2003-06-30 2009-10-08 Furnace Engineering Pty Ltd High temperature process
AU2003903344A0 (en) * 2003-06-30 2003-07-17 Furnace Engineering Pty Ltd High temperature process
US8470068B2 (en) * 2004-12-07 2013-06-25 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
WO2006061788A1 (en) * 2004-12-07 2006-06-15 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
CN102605126A (zh) * 2005-08-30 2012-07-25 纳幕尔杜邦公司 矿石还原方法以及钛氧化物和铁金属化产物
US8021460B2 (en) * 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
JP4976822B2 (ja) * 2006-11-14 2012-07-18 株式会社神戸製鋼所 粒状金属鉄の製造方法およびその装置
JP5059379B2 (ja) * 2006-11-16 2012-10-24 株式会社神戸製鋼所 高炉装入原料用ホットブリケットアイアンおよびその製造方法
US7938882B2 (en) * 2007-04-02 2011-05-10 Midrex Technologies, Inc. Method and system for the supply of hot direct reduced iron for multiple uses
JP4317579B2 (ja) * 2007-09-05 2009-08-19 新日本製鐵株式会社 還元鉄成形体の製造方法、及び銑鉄の製造方法
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
CA2713442A1 (en) * 2008-01-30 2009-08-27 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
CA2661419A1 (en) 2008-04-03 2009-10-03 Nu-Iron Technology, Llc System and method for producing metallic iron
CZ200975A3 (cs) 2009-02-10 2010-08-04 Raclavský@Milan Technologie rafinace kovonosných odpadu s obsahem zinku v rotacní peci
CA2775709A1 (en) 2009-09-29 2011-04-07 Nu-Iron Technology, Llc System and method for producing metallic iron
US9057037B2 (en) 2010-04-20 2015-06-16 River Basin Energy, Inc. Post torrefaction biomass pelletization
US8956426B2 (en) * 2010-04-20 2015-02-17 River Basin Energy, Inc. Method of drying biomass
US8287621B2 (en) 2010-12-22 2012-10-16 Nu-Iron Technology, Llc Use of bimodal carbon distribution in compacts for producing metallic iron nodules
JP5677884B2 (ja) * 2011-04-11 2015-02-25 新日鉄住金エンジニアリング株式会社 連続加熱処理炉の炉温設定方法及び炉温制御方法
JP5957348B2 (ja) * 2012-09-21 2016-07-27 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 部分還元鉄製造装置
RU2650024C2 (ru) 2013-03-06 2018-04-06 Мидрэкс Текнолоджиз, Инк. Способы и системы для восстановления хромсодержащего сырья
ES2953872T3 (es) 2019-08-23 2023-11-16 John W Schultes Procedimiento y una planta de reducción directa para producir hierro reducido directo

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443931A (en) * 1965-09-10 1969-05-13 Midland Ross Corp Process for making metallized pellets from iron oxide containing material
US3452972A (en) * 1966-06-23 1969-07-01 Donald Beggs Furnace hearth
US3836353A (en) * 1968-10-18 1974-09-17 C Holley Pellet reclamation process
US3988012A (en) * 1972-02-16 1976-10-26 Emile Joseph Jemal Rotary hearth
US4622905A (en) * 1985-03-04 1986-11-18 International Metals Reclamation Co., Inc. Furnacing
US4636127A (en) * 1985-04-03 1987-01-13 The International Metals Reclamation Co., Inc. Conveying screw for furnace
US4597564A (en) * 1985-05-23 1986-07-01 The International Metals Reclamation Company, Inc. Rotary hearth
US4701214A (en) * 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
US4676741A (en) * 1986-10-22 1987-06-30 The International Metals Reclamation Company, Inc. Radiantly heated furnace
US5186741A (en) * 1991-04-12 1993-02-16 Zia Patent Company Direct reduction process in a rotary hearth furnace
US5567224A (en) * 1995-06-06 1996-10-22 Armco Inc. Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
US5601631A (en) * 1995-08-25 1997-02-11 Maumee Research & Engineering Inc. Process for treating metal oxide fines

Also Published As

Publication number Publication date
EP0947586A1 (en) 1999-10-06
CA2232275C (en) 2001-10-23
CA2232275A1 (en) 1999-09-17
DE69809883T2 (de) 2003-10-09
US5730775A (en) 1998-03-24
WO1999046410A1 (en) 1999-09-16
AU6760598A (en) 1999-09-27
TW442573B (en) 2001-06-23
DE69809883D1 (de) 2003-01-16
ATE229084T1 (de) 2002-12-15
EP0947586B1 (en) 2002-12-04

Similar Documents

Publication Publication Date Title
ES2189022T3 (es) Metodo y aparato para la reduccion rapida del oxido de hierro en un horno de solera giratoria.
ES8503988A1 (es) Procedimiento para regenerar arena de fundicion usada que contiene un aglomerante organico.
PT83957A (fr) Nouveau materiau ligno-cellulosique thermocondense procede et four pour l obtenir
IT1147995B (it) Procedimento ed apparecchiatura per raffreddare clinker di cemento bianco
ES489039A1 (es) Procedimiento para el tratamiento termico en continuo de ma-terial metalico alargado suelto e instalacion correspondien-te
DE3063361D1 (en) Process for the thermal treatment of pellets
MY118830A (en) Method and apparatus for rapid reduction of iron oxide in a rotary hearth furnace
IE840228L (en) Fish breeding apparatus
JPS57100184A (en) Drying treating method of raw material coal for coke oven
JPS5286404A (en) Drying and heat up method bricks of cooling chamber in coke dry quench ing equipment
BR8501688A (pt) Processo para calcinacao de coque verde contendo materia volatil combustivel
JPS5238504A (en) Apparatus for controlling the transfer of coal and coke
JPS57158317A (en) Heat treatment furnace having fore chamber
GB2022799A (en) Method of Cooling of Hot Coke Charge
JPS5676486A (en) Heating of reconstructed chamber wall of coke oven
JPS5313601A (en) Method for treating and utilizing waste gases from coke ovens
JPS5610585A (en) Operating method of coke oven
JPS5742786A (en) High temperature coke dry cooling process and apparatus for carrying out it
JPS55125188A (en) Production of raw material for coke
JPS5616618A (en) Continuous annealing furnace
JPS51128609A (en) A continuous heating method and apparatus for said method
JPS56136882A (en) Preparation of char as raw material for metallurgical coke
JPS57100185A (en) Drying treating method of raw material coal for coke oven
JPS5723019A (en) Treatment for hardening surface
JPS563627A (en) Sintering waste heat recovering method