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BR7902186A - Processo de reducao direta para producao de ferro reduzido - Google Patents

Processo de reducao direta para producao de ferro reduzido

Info

Publication number
BR7902186A
BR7902186A BR7902186A BR7902186A BR7902186A BR 7902186 A BR7902186 A BR 7902186A BR 7902186 A BR7902186 A BR 7902186A BR 7902186 A BR7902186 A BR 7902186A BR 7902186 A BR7902186 A BR 7902186A
Authority
BR
Brazil
Prior art keywords
reduction process
reduced iron
direct reduction
iron production
production
Prior art date
Application number
BR7902186A
Other languages
English (en)
Inventor
Y Kimura
D Kaneko
M Tomita
M Onoda
Y Inada
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of BR7902186A publication Critical patent/BR7902186A/pt

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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/146—Multi-step reduction without melting
    • 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
    • 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
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • 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
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
BR7902186A 1978-04-10 1979-04-09 Processo de reducao direta para producao de ferro reduzido BR7902186A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53042439A JPS5847449B2 (ja) 1978-04-10 1978-04-10 直接製鉄法

Publications (1)

Publication Number Publication Date
BR7902186A true BR7902186A (pt) 1979-12-04

Family

ID=12636096

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7902186A BR7902186A (pt) 1978-04-10 1979-04-09 Processo de reducao direta para producao de ferro reduzido

Country Status (6)

Country Link
US (1) US4268303A (pt)
JP (1) JPS5847449B2 (pt)
AU (1) AU513205B2 (pt)
BR (1) BR7902186A (pt)
DE (1) DE2914541A1 (pt)
EG (1) EG14364A (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2064590B (en) * 1979-09-13 1984-07-25 Kobe Steel Ltd Gas reduction of iron oxide
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
US4556417A (en) * 1983-05-17 1985-12-03 Hylsa, S.A. Process for the direct reduction of iron ores
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
DE3437913C2 (de) * 1984-10-12 1987-05-07 Korf Engineering GmbH, 4000 Düsseldorf Verfahren und Vorrichtung zur Herstellung von Eisenschwamm und/oder flüssigem Roheisen
AT382166B (de) * 1985-05-13 1987-01-26 Voest Alpine Ag Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material
US4752364A (en) * 1986-05-19 1988-06-21 Delphi Research, Inc. Method for treating organic waste material and a catalyst/cocatalyst composition useful therefor
US4834792A (en) * 1986-08-21 1989-05-30 Hylsa S.A. De C.V. Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone
CA1336359C (en) * 1987-11-02 1995-07-25 Corporacion Venezolana De Guayana (Cvg) Method and apparatus for the direct reduction of iron
US6395056B1 (en) 1996-09-25 2002-05-28 Hylsa S.A. De C.V. Method for the heat treatment of iron ore lumps in a reduction system
US10316376B2 (en) * 2015-06-24 2019-06-11 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of sponge iron in a reduction furnace
CN114941047B (zh) * 2022-04-29 2024-04-09 钢研晟华科技股份有限公司 一种转底炉
DE102023104407A1 (de) 2023-02-23 2024-08-29 Thyssenkrupp Steel Europe Ag Verfahren zum Betreiben einer Direktreduktionsanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099963A (en) * 1974-10-18 1978-07-11 Fierro Esponja, S.A. Method for the batchwise reduction of metal ores
US4054444A (en) * 1975-09-22 1977-10-18 Midrex Corporation Method for controlling the carbon content of directly reduced iron

Also Published As

Publication number Publication date
JPS54134012A (en) 1979-10-18
AU513205B2 (en) 1980-11-20
EG14364A (en) 1983-12-31
JPS5847449B2 (ja) 1983-10-22
US4268303A (en) 1981-05-19
AU4585479A (en) 1979-10-18
DE2914541A1 (de) 1979-10-18

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