MX9201682A - Proceso y aparato para reduccion directa. - Google Patents

Proceso y aparato para reduccion directa.

Info

Publication number
MX9201682A
MX9201682A MX9201682A MX9201682A MX9201682A MX 9201682 A MX9201682 A MX 9201682A MX 9201682 A MX9201682 A MX 9201682A MX 9201682 A MX9201682 A MX 9201682A MX 9201682 A MX9201682 A MX 9201682A
Authority
MX
Mexico
Prior art keywords
pellets
reduced
carbonaceous material
zone
rotary hearth
Prior art date
Application number
MX9201682A
Other languages
English (en)
Inventor
Norman Louis Kotraba
Carl Albert Holley
Original Assignee
Zia Metallurg Processes 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
Application filed by Zia Metallurg Processes Inc filed Critical Zia Metallurg Processes Inc
Publication of MX9201682A publication Critical patent/MX9201682A/es

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
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast 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
    • C21B13/105—Rotary hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/02—Working-up flue dust
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
    • Y10S75/961—Treating flue dust to obtain metal other than by consolidation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Liquid Crystal Substances (AREA)
  • Manufacture Of Iron (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Earth Drilling (AREA)
MX9201682A 1991-04-12 1992-04-10 Proceso y aparato para reduccion directa. MX9201682A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/684,622 US5186741A (en) 1991-04-12 1991-04-12 Direct reduction process in a rotary hearth furnace

Publications (1)

Publication Number Publication Date
MX9201682A true MX9201682A (es) 1992-10-01

Family

ID=24748829

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9201682A MX9201682A (es) 1991-04-12 1992-04-10 Proceso y aparato para reduccion directa.

Country Status (11)

Country Link
US (1) US5186741A (es)
EP (1) EP0508166B1 (es)
JP (1) JPH05125454A (es)
KR (1) KR100234844B1 (es)
AT (1) ATE248232T1 (es)
AU (1) AU658174B2 (es)
BR (1) BR9201258A (es)
CA (1) CA2061548C (es)
DE (1) DE69233172T2 (es)
ES (1) ES2206441T3 (es)
MX (1) MX9201682A (es)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5683488A (en) * 1992-01-15 1997-11-04 Metals Recycling Technologies Corp. Method for producing an iron feedstock from industrial furnace waste streams
US5338336A (en) * 1993-06-30 1994-08-16 Bechtel Group, Inc. Method of processing electric arc furnace dust and providing fuel for an iron making process
BE1008397A6 (fr) * 1994-07-13 1996-05-07 Centre Rech Metallurgique Procede pour fabriquer une eponge de fer a basse teneur en soufre.
US5516358A (en) * 1994-11-17 1996-05-14 Pro-Tech Reclamation, Inc. Method for the production of iron carbide
US5730775A (en) * 1994-12-16 1998-03-24 Midrex International B.V. Rotterdam, Zurich Branch Method for rapid reduction of iron oxide in a rotary hearth furnace
US5885521A (en) * 1994-12-16 1999-03-23 Midrex International B.V. Rotterdam, Zurich Branch Apparatus for rapid reduction of iron oxide in a rotary hearth furnace
US5538532A (en) * 1995-03-02 1996-07-23 Complete Recovery Process Methods for recycling electric arc furnace dust
US6413291B1 (en) 1995-03-03 2002-07-02 Magic Green Corporation Soil conditioning agglomerates containing calcium
US5743934A (en) * 1995-03-03 1998-04-28 Magic Green Corporation Soil conditioning agglomerates containing cement kiln dust
US6287356B1 (en) 1995-03-03 2001-09-11 Magic Green Corporation Soil conditioning agglomerates containing calcium
US5997599A (en) * 1995-03-03 1999-12-07 Magic Green Corporation Soil conditioning agglomerates containing cement kiln dust
BE1009987A3 (fr) * 1995-05-12 1997-11-04 Centre Rech Metallurgique Procede pour la fabrication d'une eponge de fer a basse teneur en soufre.
US5575829A (en) * 1995-06-06 1996-11-19 Armco Inc. Direct use of sulfur-bearing nickel concentrate in making Ni alloyed stainless steel
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
US5873925A (en) * 1995-08-25 1999-02-23 Maumee Research & Engineering, Inc. Process for treating iron bearing material
GB9523229D0 (en) * 1995-11-14 1996-01-17 Allied Dust Processing Ltd Method of processing finely divided material incorporating metal based constituents
CN1214740A (zh) * 1996-02-29 1999-04-21 新日本制铁株式会社 处理炼铁和炼钢粉尘的方法及其所用的设备
BG61917B1 (bg) * 1996-07-30 1998-09-30 Никола И. Добрев Метод за преработване на цинксъдържащи материали
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
IT1287799B1 (it) * 1996-09-06 1998-08-18 Demag Italimpianti Spa Forno a suola rotante.
US5972066A (en) * 1997-04-22 1999-10-26 Iron Dynamics, Inc. Mixed bed iron reduction process
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
DE19739697C1 (de) * 1997-09-02 1999-02-18 Manfred Dr Ing Ottow Verfahren und Vorrichtung zur Eisenerzreduktion
BR9806224A (pt) * 1997-09-30 2000-04-18 Kawasaki Steel Co Forno de soleira rotativo para reduzir óxidos e seu método operacional.
CA2251339A1 (en) * 1997-10-30 1999-04-30 Hidetoshi Tanaka Method of producing iron oxide pellets
US20040221426A1 (en) * 1997-10-30 2004-11-11 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Method of producing iron oxide pellets
TW495552B (en) * 1997-12-18 2002-07-21 Kobe Steel Ltd Method of producing reduced iron pellets
AU726912B2 (en) * 1998-03-20 2000-11-23 Midrex Technologies Inc. Method and apparatus for rapid reduction of iron oxide in a rotary hearth furnace
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
WO1999051783A1 (en) * 1998-04-03 1999-10-14 Iron Dynamics, Inc. Method and apparatus for producing molten iron from iron 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
ES2146539B1 (es) * 1998-05-28 2001-03-16 Muga S L Procedimiento de reciclado de polvo de aceria y producto obtenido con este procedimiento.
US6582491B2 (en) * 1998-10-30 2003-06-24 Midrex International, B.V. Rotterdam, Zurich Branch Method for producing molten iron in duplex furnaces
CN100343396C (zh) * 1998-10-30 2007-10-17 米德雷克斯技术公司 使用二联炉生产熔化铁的方法
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
US6224820B1 (en) * 1999-03-29 2001-05-01 Kawasaki Steel Corporation Method of producing a reduced metal, and traveling hearth furnace for producing same
FR2795400B1 (fr) * 1999-06-22 2002-07-12 Technologica Materiau composite agglomere a base de poussieres riches en oxydes metalliques
ES2166673B1 (es) * 1999-09-17 2003-10-16 Cia Ind Asua Erandio S A Aser Mejoras en el proceso waelz para el tratamiento de polvos de acerias.
US6409964B1 (en) 1999-11-01 2002-06-25 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources Cold bonded iron particulate pellets
US6464753B2 (en) 2000-06-19 2002-10-15 Maumee Research & Engineering, Incorporated Furnace flue dust processing method
US6395060B1 (en) 2000-06-19 2002-05-28 Maumee Research & Engineering, Incorporated Furnace flue dust processing method
KR100530815B1 (ko) * 2000-10-30 2005-11-25 신닛뽄세이테쯔 카부시키카이샤 환원로용 산화 금속 함유 미가공 팰릿, 그 제조 방법, 그환원 방법 및 환원 설비
EP1813685B1 (en) * 2000-11-10 2011-10-26 Nippon Steel Corporation Method of operation of reducing rotary hearth furnace
JP3553873B2 (ja) * 2000-12-07 2004-08-11 株式会社神戸製鋼所 還元金属製造用回転式炉床炉及び還元金属の製造方法
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
JP2003147442A (ja) * 2001-09-03 2003-05-21 Nippon Steel Corp 製鉄廃棄物の処理方法および設備
EP1439236B1 (en) * 2001-09-27 2012-12-05 Nippon Steel Corporation Method for drying molding containing oxidized metal, method for reducing oxidized metal and rotary hearth type metal reduction furnace
JP4256645B2 (ja) * 2001-11-12 2009-04-22 株式会社神戸製鋼所 金属鉄の製法
AU2003269603B2 (en) * 2002-10-15 2008-10-30 D. Wilson Investments Pty Ltd Process and apparatus for extracting zinc
AU2002952062A0 (en) * 2002-10-15 2002-10-31 D.Wilson Investments Pty. Ltd. Process and apparatus for extracting zinc
JP2008523247A (ja) * 2004-12-07 2008-07-03 ニュー−アイロン テクノロジー リミテッド ライアビリティー カンパニー 金属鉄ナゲットを生成するための方法およびシステム
US8470068B2 (en) * 2004-12-07 2013-06-25 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
WO2007080356A1 (en) * 2006-01-11 2007-07-19 Solsys Limited Production of carbonaceous metal ore pellets
US8021460B2 (en) * 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
WO2008089060A1 (en) * 2007-01-12 2008-07-24 Nu-Iron Technology, Llc System and method for cooling and removing iron from a hearth
EP2298941A4 (en) * 2008-07-11 2016-10-19 Kobe Steel Ltd BRICHETTHER PROCESSING METHOD, METHOD FOR PRODUCING A REDUCTION MATERIAL AND ZINC OR LEAD SEPARATION METHOD
EP2542706B1 (en) 2010-03-02 2019-05-08 Giulio Grossi Apparatus and method for producing direct reduced iron
US8287621B2 (en) 2010-12-22 2012-10-16 Nu-Iron Technology, Llc Use of bimodal carbon distribution in compacts for producing metallic iron nodules
KR101191962B1 (ko) 2010-12-22 2012-10-17 주식회사 포스코 탄재 내장 괴성광 제조방법
JP5877071B2 (ja) * 2012-01-16 2016-03-02 Ｐｒｉｍｅｔａｌｓ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｊａｐａｎ株式会社 部分還元鉄製造装置および部分還元鉄製造方法
CN102839281B (zh) * 2012-09-13 2015-08-05 莱芜钢铁集团有限公司 利用转底炉直接还原生产高炉护炉用含钛金属化球团的方法
KR101504836B1 (ko) * 2013-10-10 2015-03-30 주식회사 포스코 탄재 내장 브리켓의 제조장치 및 이를 이용한 제조방법
ITMI20131732A1 (it) * 2013-10-17 2015-04-18 Ambiente E Nutrizione Srl Procedimento di nobilitazione di polveri di scarto da cave minerarie, contenenti ossidi di ferro
KR101712829B1 (ko) * 2014-09-24 2017-03-08 주식회사 포스코 소성로 및 이를 이용한 부분환원철 제조방법
CN106119529A (zh) * 2016-08-01 2016-11-16 江苏省冶金设计院有限公司 锌浸出渣的直接还原方法和系统
MX2019001020A (es) * 2017-05-26 2019-06-10 Novelis Inc Sistema y metodo para hacer briquetas de polvo del ciclon a partir de sistemas de decapado.
BG67200B1 (bg) 2018-03-22 2020-12-15 "Кцм" Ад Метод за химическо извличане на метали чрез преработване на промишлени отпадъци и модулна инсталация за неговото осъществяване

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836353A (en) * 1968-10-18 1974-09-17 C Holley Pellet reclamation process
US4251267A (en) * 1979-08-24 1981-02-17 Midrex Corporation Method for direct reduction of metal oxide to a hot metallized product in solid form
CA1239798A (en) * 1984-09-11 1988-08-02 Toshio Matsuoka Process for recovering valuable metals from an iron dust containing a higher content of zinc
US4622905A (en) * 1985-03-04 1986-11-18 International Metals Reclamation Co., Inc. Furnacing
US4673431A (en) * 1986-01-08 1987-06-16 Bricmont & Associates, Inc. Furnace dust recovery process
US4701214A (en) * 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
US4758268A (en) * 1986-12-23 1988-07-19 Zia Technology, Inc. Method and apparatus for reclaiming metal values from electric arc furnace flue dust and sludge and rendering residual solids recyclable or non-hazardous
US4836847A (en) * 1988-04-27 1989-06-06 Zia Technology, Inc. Method for reclaiming metal values from electric arc furnace flue dust and sludge and rendering residual solids recyclable or non-hazardous

Also Published As

Publication number Publication date
US5186741A (en) 1993-02-16
ATE248232T1 (de) 2003-09-15
EP0508166B1 (en) 2003-08-27
BR9201258A (pt) 1992-12-01
EP0508166A2 (en) 1992-10-14
DE69233172T2 (de) 2004-03-25
CA2061548A1 (en) 1992-10-13
CA2061548C (en) 2001-11-20
AU1388692A (en) 1992-10-15
AU658174B2 (en) 1995-04-06
JPH05125454A (ja) 1993-05-21
KR920019952A (ko) 1992-11-20
DE69233172D1 (de) 2003-10-02
KR100234844B1 (ko) 1999-12-15
ES2206441T3 (es) 2004-05-16
EP0508166A3 (es) 1994-02-23

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Legal Events

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