IT1152932B - Procedimento e mezzi per minimizzare il consumo d'energia quando si riduce ossido di ferro con gas riducenti - Google Patents

Procedimento e mezzi per minimizzare il consumo d'energia quando si riduce ossido di ferro con gas riducenti

Info

Publication number
IT1152932B
IT1152932B IT23850/82A IT2385082A IT1152932B IT 1152932 B IT1152932 B IT 1152932B IT 23850/82 A IT23850/82 A IT 23850/82A IT 2385082 A IT2385082 A IT 2385082A IT 1152932 B IT1152932 B IT 1152932B
Authority
IT
Italy
Prior art keywords
procedure
reduced
energy consumption
iron oxide
reducing gases
Prior art date
Application number
IT23850/82A
Other languages
English (en)
Other versions
IT8223850A0 (it
Inventor
Goran 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 IT8223850A0 publication Critical patent/IT8223850A0/it
Application granted granted Critical
Publication of IT1152932B publication Critical patent/IT1152932B/it

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
    • F27D17/10—Arrangements for using 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)
  • Gas Separation By Absorption (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Compounds Of Iron (AREA)
IT23850/82A 1982-03-02 1982-10-21 Procedimento e mezzi per minimizzare il consumo d'energia quando si riduce ossido di ferro con gas riducenti IT1152932B (it)

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 (2)

Publication Number Publication Date
IT8223850A0 IT8223850A0 (it) 1982-10-21
IT1152932B true IT1152932B (it) 1987-01-14

Family

ID=20346142

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23850/82A IT1152932B (it) 1982-03-02 1982-10-21 Procedimento e mezzi per minimizzare il consumo d'energia quando si riduce ossido di ferro con gas riducenti

Country Status (15)

Country Link
US (1) US4432789A (it)
JP (1) JPS58153715A (it)
AU (1) AU9002782A (it)
BE (1) BE894676A (it)
BR (1) BR8206446A (it)
DD (1) DD203332A5 (it)
DE (1) DE3233836A1 (it)
ES (1) ES516493A0 (it)
FI (1) FI823476A7 (it)
FR (1) FR2530667A1 (it)
GB (1) GB2115837A (it)
IT (1) IT1152932B (it)
NO (1) NO823343L (it)
SE (1) SE448740B (it)
ZA (1) ZA827877B (it)

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
JPS58153715A (ja) 1983-09-12
SE8201273L (sv) 1983-09-03
BR8206446A (pt) 1984-05-08
FI823476A0 (fi) 1982-10-12
DE3233836A1 (de) 1983-09-22
FI823476L (fi) 1983-09-03
IT8223850A0 (it) 1982-10-21
FI823476A7 (fi) 1983-09-03
FR2530667A1 (fr) 1984-01-27
AU9002782A (en) 1983-09-08
ZA827877B (en) 1984-06-27
BE894676A (fr) 1983-01-31
SE448740B (sv) 1987-03-16
US4432789A (en) 1984-02-21
ES8400491A1 (es) 1983-11-16
GB2115837A (en) 1983-09-14
NO823343L (no) 1983-09-05
ES516493A0 (es) 1983-11-16
DD203332A5 (de) 1983-10-19

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