FR2197985A1 - Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling - Google Patents

Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling

Info

Publication number
FR2197985A1
FR2197985A1 FR7232330A FR7232330A FR2197985A1 FR 2197985 A1 FR2197985 A1 FR 2197985A1 FR 7232330 A FR7232330 A FR 7232330A FR 7232330 A FR7232330 A FR 7232330A FR 2197985 A1 FR2197985 A1 FR 2197985A1
Authority
FR
France
Prior art keywords
iron ore
reducing gas
shaft furnace
gas recycling
oxygen blast
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.)
Granted
Application number
FR7232330A
Other languages
English (en)
French (fr)
Other versions
FR2197985B1 (OSRAM
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.)
ERIM
Original Assignee
ERIM
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 ERIM filed Critical ERIM
Priority to FR7232330A priority Critical patent/FR2197985A1/fr
Priority to CA180,362A priority patent/CA1027762A/en
Priority to BR685673A priority patent/BR7306856D0/pt
Priority to BE135348A priority patent/BE804494A/xx
Priority to DE19732345083 priority patent/DE2345083C3/de
Priority to JP10103373A priority patent/JPS49123919A/ja
Publication of FR2197985A1 publication Critical patent/FR2197985A1/fr
Application granted granted Critical
Publication of FR2197985B1 publication Critical patent/FR2197985B1/fr
Granted 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
    • 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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
    • Y02P10/134—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)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7232330A 1972-09-06 1972-09-06 Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling Granted FR2197985A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7232330A FR2197985A1 (en) 1972-09-06 1972-09-06 Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling
CA180,362A CA1027762A (en) 1972-09-06 1973-09-05 Method and apparatus for the reduction of iron ore
BR685673A BR7306856D0 (pt) 1972-09-06 1973-09-05 Processo de reducao direta de minerio de ferro, forno de cadinho para a execucao do processo,e instalacao de reduca
BE135348A BE804494A (fr) 1972-09-06 1973-09-05 Procede et installation de reduction du minerai de fer
DE19732345083 DE2345083C3 (de) 1972-09-06 1973-09-06 Verfahren und Vorrichtung zur Reduktion von Eisenerz
JP10103373A JPS49123919A (OSRAM) 1972-09-06 1973-09-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7232330A FR2197985A1 (en) 1972-09-06 1972-09-06 Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling

Publications (2)

Publication Number Publication Date
FR2197985A1 true FR2197985A1 (en) 1974-03-29
FR2197985B1 FR2197985B1 (OSRAM) 1976-08-13

Family

ID=9104173

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7232330A Granted FR2197985A1 (en) 1972-09-06 1972-09-06 Direct iron ore reduction - in shaft furnace with oxygen blast and reducing gas recycling

Country Status (5)

Country Link
JP (1) JPS49123919A (OSRAM)
BE (1) BE804494A (OSRAM)
BR (1) BR7306856D0 (OSRAM)
CA (1) CA1027762A (OSRAM)
FR (1) FR2197985A1 (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022248915A1 (en) * 2021-05-26 2022-12-01 Arcelormittal A method for manufacturing direct reduced iron

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427013A (en) * 1966-09-08 1969-02-11 Steep Rock Iron Mines Ltd Low temperature blast furnace and method therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3427013A (en) * 1966-09-08 1969-02-11 Steep Rock Iron Mines Ltd Low temperature blast furnace and method therefor

Also Published As

Publication number Publication date
BE804494A (fr) 1974-03-05
FR2197985B1 (OSRAM) 1976-08-13
BR7306856D0 (pt) 1974-07-11
DE2345083A1 (de) 1974-03-14
CA1027762A (en) 1978-03-14
JPS49123919A (OSRAM) 1974-11-27
DE2345083B2 (de) 1977-02-10

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Legal Events

Date Code Title Description
ST Notification of lapse