FR2023710A1 - - Google Patents

Info

Publication number
FR2023710A1
FR2023710A1 FR6939772A FR6939772A FR2023710A1 FR 2023710 A1 FR2023710 A1 FR 2023710A1 FR 6939772 A FR6939772 A FR 6939772A FR 6939772 A FR6939772 A FR 6939772A FR 2023710 A1 FR2023710 A1 FR 2023710A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6939772A
Other languages
French (fr)
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.)
Fuji Iron and Steel Co Ltd
Original Assignee
Fuji Iron and Steel Co 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
Priority claimed from JP884569A external-priority patent/JPS5234598B1/ja
Priority claimed from JP1286769A external-priority patent/JPS4813203B1/ja
Application filed by Fuji Iron and Steel Co Ltd filed Critical Fuji Iron and Steel Co Ltd
Publication of FR2023710A1 publication Critical patent/FR2023710A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • 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
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • 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
    • C22B5/00—General methods of reducing to metals
    • 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
    • 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
    • C21B2100/66—Heat exchange
    • 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
FR6939772A 1968-11-20 1969-11-19 Withdrawn FR2023710A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP8501468 1968-11-20
JP8501368 1968-11-20
JP884569A JPS5234598B1 (en) 1969-02-06 1969-02-06
JP1286769A JPS4813203B1 (en) 1969-02-20 1969-02-20
JP1286869 1969-02-20

Publications (1)

Publication Number Publication Date
FR2023710A1 true FR2023710A1 (en) 1970-08-21

Family

ID=27518985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939772A Withdrawn FR2023710A1 (en) 1968-11-20 1969-11-19

Country Status (5)

Country Link
US (1) US3759698A (en)
CA (1) CA939505A (en)
FR (1) FR2023710A1 (en)
GB (1) GB1277606A (en)
NL (1) NL147480B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101519703B (en) * 2008-02-26 2010-12-08 宝山钢铁股份有限公司 Low-coke-ratio blast furnace ironmaking technique

Also Published As

Publication number Publication date
DE1958214A1 (en) 1970-07-30
CA939505A (en) 1974-01-08
GB1277606A (en) 1972-06-14
DE1958214B2 (en) 1977-06-30
US3759698A (en) 1973-09-18
NL147480B (en) 1975-10-15
NL6917494A (en) 1970-05-22

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Legal Events

Date Code Title Description
ST Notification of lapse