CA954691A - Method and apparatus for operating a blast-furnace with an auxiliary reducing gas - Google Patents

Method and apparatus for operating a blast-furnace with an auxiliary reducing gas

Info

Publication number
CA954691A
CA954691A CA116,562A CA116562A CA954691A CA 954691 A CA954691 A CA 954691A CA 116562 A CA116562 A CA 116562A CA 954691 A CA954691 A CA 954691A
Authority
CA
Canada
Prior art keywords
blast
furnace
operating
reducing gas
auxiliary reducing
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
CA116,562A
Other versions
CA116562S (en
Inventor
Werner Wenzel
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan 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 DE19702033377 external-priority patent/DE2033377C3/en
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Application granted granted Critical
Publication of CA954691A publication Critical patent/CA954691A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
    • 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
    • C21B2100/60—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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture Of Iron (AREA)
CA116,562A 1970-07-06 1971-06-24 Method and apparatus for operating a blast-furnace with an auxiliary reducing gas Expired CA954691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702033377 DE2033377C3 (en) 1970-07-06 Process for operating a blast furnace with recirculated, regenerated furnace gas

Publications (1)

Publication Number Publication Date
CA954691A true CA954691A (en) 1974-09-17

Family

ID=5775911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA116,562A Expired CA954691A (en) 1970-07-06 1971-06-24 Method and apparatus for operating a blast-furnace with an auxiliary reducing gas

Country Status (10)

Country Link
JP (1) JPS5320443B1 (en)
BE (1) BE769181A (en)
CA (1) CA954691A (en)
FR (1) FR2098199B1 (en)
GB (1) GB1344714A (en)
IT (1) IT943518B (en)
LU (1) LU63470A1 (en)
NL (1) NL157057B (en)
SE (1) SE371210B (en)
ZA (1) ZA714184B (en)

Also Published As

Publication number Publication date
ZA714184B (en) 1972-03-29
NL157057B (en) 1978-06-15
DE2033377B2 (en) 1975-08-07
LU63470A1 (en) 1971-11-12
FR2098199B1 (en) 1974-11-08
BE769181A (en) 1971-11-03
IT943518B (en) 1973-04-10
JPS5320443B1 (en) 1978-06-27
NL7108765A (en) 1972-01-10
FR2098199A1 (en) 1972-03-10
DE2033377A1 (en) 1972-01-27
GB1344714A (en) 1974-01-23
SE371210B (en) 1974-11-11

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