NL6917494A - - Google Patents

Info

Publication number
NL6917494A
NL6917494A NL6917494A NL6917494A NL6917494A NL 6917494 A NL6917494 A NL 6917494A NL 6917494 A NL6917494 A NL 6917494A NL 6917494 A NL6917494 A NL 6917494A NL 6917494 A NL6917494 A NL 6917494A
Authority
NL
Netherlands
Application number
NL6917494A
Other versions
NL147480B (en
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 filed Critical
Publication of NL6917494A publication Critical patent/NL6917494A/xx
Publication of NL147480B publication Critical patent/NL147480B/en

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
NL696917494A 1968-11-20 1969-11-20 PROCEDURE FOR SUPPLYING A REDUCING GAS TO AN OVEN. NL147480B (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 (2)

Publication Number Publication Date
NL6917494A true NL6917494A (en) 1970-05-22
NL147480B NL147480B (en) 1975-10-15

Family

ID=27518985

Family Applications (1)

Application Number Title Priority Date Filing Date
NL696917494A NL147480B (en) 1968-11-20 1969-11-20 PROCEDURE FOR SUPPLYING A REDUCING GAS TO AN OVEN.

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
FR2023710A1 (en) 1970-08-21

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: NIPPON STEEL