BR8206446A - Processo e instalacao para minimizar o consumo de energia ao se reduzir oxido de ferro em gases redutores - Google Patents

Processo e instalacao para minimizar o consumo de energia ao se reduzir oxido de ferro em gases redutores

Info

Publication number
BR8206446A
BR8206446A BR8206446A BR8206446A BR8206446A BR 8206446 A BR8206446 A BR 8206446A BR 8206446 A BR8206446 A BR 8206446A BR 8206446 A BR8206446 A BR 8206446A BR 8206446 A BR8206446 A BR 8206446A
Authority
BR
Brazil
Prior art keywords
reducing
installation
energy consumption
iron oxide
minimize energy
Prior art date
Application number
BR8206446A
Other languages
English (en)
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 BR8206446A publication Critical patent/BR8206446A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0073Selection or treatment of the reducing gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/004Systems for reclaiming waste heat
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66Heat exchange
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122Reduction 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)
  • Compounds Of Iron (AREA)
  • Gas Separation By Absorption (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
BR8206446A 1982-03-02 1982-11-08 Processo e instalacao para minimizar o consumo de energia ao se reduzir oxido de ferro em gases redutores BR8206446A (pt)

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
BR8206446A true BR8206446A (pt) 1984-05-08

Family

ID=20346142

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8206446A BR8206446A (pt) 1982-03-02 1982-11-08 Processo e instalacao para minimizar o consumo de energia ao se reduzir oxido de ferro em gases redutores

Country Status (15)

Country Link
US (1) US4432789A (pt)
JP (1) JPS58153715A (pt)
AU (1) AU9002782A (pt)
BE (1) BE894676A (pt)
BR (1) BR8206446A (pt)
DD (1) DD203332A5 (pt)
DE (1) DE3233836A1 (pt)
ES (1) ES8400491A1 (pt)
FI (1) FI823476L (pt)
FR (1) FR2530667A1 (pt)
GB (1) GB2115837A (pt)
IT (1) IT1152932B (pt)
NO (1) NO823343L (pt)
SE (1) SE448740B (pt)
ZA (1) ZA827877B (pt)

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
DD203332A5 (de) 1983-10-19
ES516493A0 (es) 1983-11-16
ES8400491A1 (es) 1983-11-16
FI823476A0 (fi) 1982-10-12
IT1152932B (it) 1987-01-14
JPS58153715A (ja) 1983-09-12
FI823476L (fi) 1983-09-03
FR2530667A1 (fr) 1984-01-27
ZA827877B (en) 1984-06-27
IT8223850A0 (it) 1982-10-21
NO823343L (no) 1983-09-05
SE448740B (sv) 1987-03-16
US4432789A (en) 1984-02-21
SE8201273L (sv) 1983-09-03
AU9002782A (en) 1983-09-08
BE894676A (fr) 1983-01-31
GB2115837A (en) 1983-09-14
DE3233836A1 (de) 1983-09-22

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