DE3037865C2 - Verfahren zur Reduktion eines feinteiligen Eisenerzes zu Schwammeisen - Google Patents

Verfahren zur Reduktion eines feinteiligen Eisenerzes zu Schwammeisen

Info

Publication number
DE3037865C2
DE3037865C2 DE3037865A DE3037865A DE3037865C2 DE 3037865 C2 DE3037865 C2 DE 3037865C2 DE 3037865 A DE3037865 A DE 3037865A DE 3037865 A DE3037865 A DE 3037865A DE 3037865 C2 DE3037865 C2 DE 3037865C2
Authority
DE
Germany
Prior art keywords
reactor
gas
zone
reduction
reducing gas
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
Application number
DE3037865A
Other languages
German (de)
English (en)
Other versions
DE3037865A1 (de
Inventor
Enrique Ramon Monterrey Nuevo Leon Martinez-Vera
Juan Federico Garza Garcia Nuevo Leon Price-Falcon
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.)
Grupo Industrial Alfa Sa Monterrey Nuevo Leon Mx
Original Assignee
Grupo Industrial Alfa Sa Monterrey Nuevo Leon Mx
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 Grupo Industrial Alfa Sa Monterrey Nuevo Leon Mx filed Critical Grupo Industrial Alfa Sa Monterrey Nuevo Leon Mx
Publication of DE3037865A1 publication Critical patent/DE3037865A1/de
Application granted granted Critical
Publication of DE3037865C2 publication Critical patent/DE3037865C2/de
Expired 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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft 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
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/24—Increasing the gas reduction potential of recycled exhaust gases by shift reactions
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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)
  • Industrial Gases (AREA)
DE3037865A 1979-10-31 1980-10-07 Verfahren zur Reduktion eines feinteiligen Eisenerzes zu Schwammeisen Expired DE3037865C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/089,902 US4246024A (en) 1979-10-31 1979-10-31 Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels

Publications (2)

Publication Number Publication Date
DE3037865A1 DE3037865A1 (de) 1981-05-27
DE3037865C2 true DE3037865C2 (de) 1985-08-29

Family

ID=22220149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3037865A Expired DE3037865C2 (de) 1979-10-31 1980-10-07 Verfahren zur Reduktion eines feinteiligen Eisenerzes zu Schwammeisen

Country Status (19)

Country Link
US (1) US4246024A (ref)
JP (1) JPS5825727B2 (ref)
AR (1) AR225934A1 (ref)
AU (1) AU538947B2 (ref)
BE (1) BE885920A (ref)
BR (1) BR8005801A (ref)
CA (1) CA1153559A (ref)
DD (1) DD153894A5 (ref)
DE (1) DE3037865C2 (ref)
ES (1) ES8205865A1 (ref)
FR (1) FR2468650A1 (ref)
GB (1) GB2065709B (ref)
IN (1) IN153109B (ref)
IT (1) IT1141055B (ref)
MX (1) MX154127A (ref)
SE (1) SE448552B (ref)
SU (1) SU1128843A3 (ref)
ZA (1) ZA805062B (ref)
ZM (1) ZM7780A1 (ref)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2911692A1 (de) * 1979-03-24 1980-10-02 Metallgesellschaft Ag Verfahren zur erzeugung von reduktionsgas aus festen brennstoffen
US4381939A (en) * 1981-01-29 1983-05-03 Midrex Corporation Method for selective reduction of metallic oxides
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
DE3317701C2 (de) * 1983-05-16 1986-08-07 Hylsa S.A., Monterrey, N.L. Verfahren zum Betreiben eines Bewegtbett-Reduktionsreaktors mit vertikalem Schacht zum Reduzieren von Eisenerz zu Schwammeisen
DE3422186A1 (de) * 1984-06-12 1985-12-12 Korf Engineering GmbH, 4000 Düsseldorf Verfahren zur direktreduktion von eisenerz oder eisenoxidpellets zu eisenschwamm und vorrichtung zur durchfuehrung dieses verfahrens
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
AT382166B (de) * 1985-05-13 1987-01-26 Voest Alpine Ag Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material
CA1336359C (en) * 1987-11-02 1995-07-25 Corporacion Venezolana De Guayana (Cvg) Method and apparatus for the direct reduction of iron
USD435707S (en) 1999-09-07 2000-12-26 Amptek Company Limited Vacuum cleaner
DE19953298C2 (de) * 1999-11-05 2001-12-06 Vogels Hanns Arnt Verfahren und Vorrichtungen zur Leistungssteigerung und Brennstoffeinsparung bei der Erzeugung von Eisen
US20050151307A1 (en) * 2003-09-30 2005-07-14 Ricardo Viramontes-Brown Method and apparatus for producing molten iron
US7608129B2 (en) * 2006-04-24 2009-10-27 Hyl Technologies S.A. De C.V. Method and apparatus for producing direct reduced iron
UA97275C2 (ru) * 2007-05-25 2012-01-25 Хил ТЕЧНОЛОДЖИС, С.А. ГДЕ К.В. СПОСОБ ПРОИЗВОДСТВА ЖЕЛЕЗА ПРЯМОГО ВОССТАНОВЛЕНИЯ В восстановительном РЕАКТОРе
JP2014524824A (ja) 2011-04-15 2014-09-25 バイオジェニック リージェンツ エルエルシー 高炭素生体試薬の生成のためのシステムおよび装置
WO2013169803A1 (en) 2012-05-07 2013-11-14 Biogenic Reagents LLC Biogenic activated carbon and methods of making and using same
KR101376138B1 (ko) 2012-12-27 2014-03-19 주식회사 포스코 용철제조장치 및 용철제조방법
US12350648B2 (en) 2013-10-24 2025-07-08 Carbon Technology Holdings, LLC Methods and apparatus for producing activated carbon from biomass through carbonized ash intermediates
EP3110754A4 (en) 2014-02-24 2017-11-22 Biogenic Reagents Ventures, LLC Highly mesoporous activated carbon
WO2016065357A1 (en) 2014-10-24 2016-04-28 Biogenic Reagent Ventures, Llc Halogenated activated carbon compositions and methods of making and using same
BR112020025445A2 (pt) 2018-06-14 2021-03-16 Carbon Technology Holdings, LLC Composições de dióxido de silício de carbono poroso biogênico e métodos de produção e uso das mesmas
CN110438278A (zh) * 2019-09-11 2019-11-12 武汉科思瑞迪科技有限公司 一种气基和煤基相结合的竖炉直接还原工艺
CN110453027A (zh) * 2019-09-11 2019-11-15 武汉科思瑞迪科技有限公司 一种气基和煤基相结合的竖炉直接还原工艺
DE102019217631B4 (de) * 2019-11-15 2024-05-29 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz
CN116529400A (zh) 2020-09-25 2023-08-01 卡本科技控股有限责任公司 与生物质热解集成的金属矿石的生物还原
US20220162725A1 (en) * 2020-11-20 2022-05-26 Carbon Technology Holdings, LLC Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production
CN116806251A (zh) * 2020-11-20 2023-09-26 卡本科技控股有限责任公司 与金属矿石的生物还原、氢生产和/或活性炭生产集成的生物质热解
US11851723B2 (en) 2021-02-18 2023-12-26 Carbon Technology Holdings, LLC Carbon-negative metallurgical products
JP2024515776A (ja) 2021-04-27 2024-04-10 カーボン テクノロジー ホールディングス， エルエルシー 最適化された固定炭素を有するバイオカーボン組成物及びこれを生成するためのプロセス
AU2022308660A1 (en) 2021-07-09 2024-02-22 Carbon Technology Holdings, LLC Processes for producing biocarbon pellets with high fixed-carbon content and optimized reactivity, and biocarbon pellets obtained therefrom
KR20240043777A (ko) 2021-08-02 2024-04-03 카본 테크놀로지 홀딩스, 엘엘씨 바이오매스 열분해 액체로부터 탄소를 재포집하기 위한 프로세스 및 시스템
DE102021122351A1 (de) * 2021-08-30 2023-03-02 Thyssenkrupp Steel Europe Ag Verfahren zur Herstellung einer Eisenschmelze
WO2023086323A1 (en) 2021-11-12 2023-05-19 Carbon Technology Holdings, LLC Biocarbon compositions with optimized compositional parameters, and processes for producing the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1112007A (en) * 1912-06-13 1914-09-29 Karl Albert Fredrik Hiorth Process of producing iron and steel directly from the ore
US4019724A (en) * 1973-02-20 1977-04-26 Armco Steel Corporation Apparatus for the direct reduction of iron ores
US3905806A (en) * 1973-02-20 1975-09-16 Armco Steel Corp Method for the direct reduction of iron ores
US3827879A (en) * 1973-02-22 1974-08-06 Fierro Esponja Method for the gaseous reduction of metal ores
US3853538A (en) * 1973-07-20 1974-12-10 Steel Corp Use of reducing gas by coal gasification for direct iron ore reduction
DE2431537A1 (de) * 1974-07-01 1976-01-22 Metallgesellschaft Ag Verfahren zur direktreduktion mit reduzierten gasen
DE2438790B2 (de) * 1974-08-13 1976-09-09 Thyssen Purofer GmbH, 4000 Düsseldorf Verfahren und anlage zur reduktion von eisenerzen, insbesondere von eisenerzpellets
US4108636A (en) * 1974-08-13 1978-08-22 Thyssen Purofer Gmbh Method of the direct reduction of iron ore
SE387366C (sv) * 1974-12-12 1980-04-14 Stora Kopparbergs Bergslags Ab Sett for reduktion av finfordelat metalloxidhaltigt material
JPS52155116A (en) * 1976-06-18 1977-12-23 Kobe Steel Ltd Reduced iron preparation using hydrocarbon gas as reducing agent
US4150972A (en) * 1977-11-17 1979-04-24 Fierro Esponja, S.A. Controlling carburization in the reduction of iron ore to sponge iron
US4160663A (en) * 1978-02-21 1979-07-10 Jack Hsieh Method for the direct reduction of iron ore

Also Published As

Publication number Publication date
ZM7780A1 (en) 1981-09-21
DE3037865A1 (de) 1981-05-27
IT8024695A0 (it) 1980-09-16
JPS5825727B2 (ja) 1983-05-30
GB2065709A (en) 1981-07-01
AU6164180A (en) 1981-05-07
JPS56105410A (en) 1981-08-21
AR225934A1 (es) 1982-05-14
ES496420A0 (es) 1982-06-16
IN153109B (ref) 1984-06-02
SE448552B (sv) 1987-03-02
AU538947B2 (en) 1984-09-06
FR2468650A1 (fr) 1981-05-08
SU1128843A3 (ru) 1984-12-07
CA1153559A (en) 1983-09-13
BE885920A (fr) 1981-02-16
FR2468650B1 (ref) 1984-02-17
GB2065709B (en) 1983-09-21
SE8007603L (sv) 1981-05-01
MX154127A (es) 1987-05-21
ES8205865A1 (es) 1982-06-16
ZA805062B (en) 1981-08-26
US4246024A (en) 1981-01-20
IT1141055B (it) 1986-10-01
DD153894A5 (de) 1982-02-10
BR8005801A (pt) 1981-05-19

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee