ZA827877B - Method and means for minimizing the energy consumption when reducing iron oxide with reducing gases - Google Patents

Method and means for minimizing the energy consumption when reducing iron oxide with reducing gases

Info

Publication number
ZA827877B
ZA827877B ZA827877A ZA827877A ZA827877B ZA 827877 B ZA827877 B ZA 827877B ZA 827877 A ZA827877 A ZA 827877A ZA 827877 A ZA827877 A ZA 827877A ZA 827877 B ZA827877 B ZA 827877B
Authority
ZA
South Africa
Prior art keywords
reducing
minimizing
energy consumption
iron oxide
gases
Prior art date
Application number
ZA827877A
Other languages
English (en)
Inventor
Goeran Mathisson
Sven Santen
Original Assignee
Skf Steel Eng Ab
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 Skf Steel Eng Ab filed Critical Skf Steel Eng Ab
Publication of ZA827877B publication Critical patent/ZA827877B/xx

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
    • C21B13/0073—Selection or treatment of the reducing gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004—Systems for reclaiming waste heat
    • 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
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Gas Separation By Absorption (AREA)
  • Compounds Of Iron (AREA)
ZA827877A 1982-03-02 1982-10-28 Method and means for minimizing the energy consumption when reducing iron oxide with reducing gases ZA827877B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8201273A SE448740B (sv) 1982-03-02 1982-03-02 Sett och anordning for regenerering av tvettvetska fran co?712-tvett vid reduktion av jernoxid med reducerande gaser

Publications (1)

Publication Number Publication Date
ZA827877B true ZA827877B (en) 1984-06-27

Family

ID=20346142

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA827877A ZA827877B (en) 1982-03-02 1982-10-28 Method and means for minimizing the energy consumption when reducing iron oxide with reducing gases

Country Status (15)

Country Link
US (1) US4432789A (es)
JP (1) JPS58153715A (es)
AU (1) AU9002782A (es)
BE (1) BE894676A (es)
BR (1) BR8206446A (es)
DD (1) DD203332A5 (es)
DE (1) DE3233836A1 (es)
ES (1) ES516493A0 (es)
FI (1) FI823476L (es)
FR (1) FR2530667A1 (es)
GB (1) GB2115837A (es)
IT (1) IT1152932B (es)
NO (1) NO823343L (es)
SE (1) SE448740B (es)
ZA (1) ZA827877B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110350A (en) * 1983-05-16 1992-05-05 Hylsa S.A. De C.V. Method of reducing iron ore
AT510618B1 (de) * 2010-11-04 2013-02-15 Siemens Vai Metals Tech Gmbh Verfahren zur entfernung von co2 aus abgasen
CN104045057B (zh) * 2014-06-20 2016-04-20 北京神雾环境能源科技集团股份有限公司 一种天然气催化部分氧化生产直接海绵铁的工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2977216A (en) * 1958-12-31 1961-03-28 Texaco Development Corp Ore reduction process
US3909244A (en) * 1971-01-27 1975-09-30 Metallgesellschaft Ag Process for directly reducing iron ores in the solid state under pressure
JPS5230210A (en) * 1975-09-03 1977-03-07 Nippon Steel Corp Method of manufacturing reduced iron
DE2542595C2 (de) * 1975-09-24 1986-04-30 Holland, Gerhard, Dr.rer.pol., 6000 Frankfurt Verfahren zur Abtrennung von Metalldämpfen aus gasförmigen Gemischen
DE2805840C2 (de) * 1977-02-14 1986-01-02 American Hydrotherm Corp., New York, N.Y. Verfahren zur Abwärmerückgewinnung
US4160810A (en) * 1978-03-07 1979-07-10 Benfield Corporation Removal of acid gases from hot gas mixtures
AT360569B (de) * 1979-05-18 1981-01-26 Voest Alpine Ag Verfahren zur verwertung der rauchgaswaerme bei der kontinuierlichen direktreduktion von eisen- erz und anlage dafuer

Also Published As

Publication number Publication date
FI823476A0 (fi) 1982-10-12
DD203332A5 (de) 1983-10-19
BR8206446A (pt) 1984-05-08
ES8400491A1 (es) 1983-11-16
ES516493A0 (es) 1983-11-16
FR2530667A1 (fr) 1984-01-27
US4432789A (en) 1984-02-21
IT8223850A0 (it) 1982-10-21
FI823476L (fi) 1983-09-03
SE448740B (sv) 1987-03-16
SE8201273L (sv) 1983-09-03
JPS58153715A (ja) 1983-09-12
NO823343L (no) 1983-09-05
BE894676A (fr) 1983-01-31
IT1152932B (it) 1987-01-14
GB2115837A (en) 1983-09-14
AU9002782A (en) 1983-09-08
DE3233836A1 (de) 1983-09-22

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