ES8400491A1 - "metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores". - Google Patents

"metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores".

Info

Publication number
ES8400491A1
ES8400491A1 ES516493A ES516493A ES8400491A1 ES 8400491 A1 ES8400491 A1 ES 8400491A1 ES 516493 A ES516493 A ES 516493A ES 516493 A ES516493 A ES 516493A ES 8400491 A1 ES8400491 A1 ES 8400491A1
Authority
ES
Spain
Prior art keywords
reducing
iron oxide
gases
energy consumption
reducing gases
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
ES516493A
Other languages
English (en)
Other versions
ES516493A0 (es
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.)
SKF Steel Engineering AB
Original Assignee
SKF Steel Engineering 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 Engineering AB filed Critical SKF Steel Engineering AB
Publication of ES516493A0 publication Critical patent/ES516493A0/es
Publication of ES8400491A1 publication Critical patent/ES8400491A1/es
Expired legal-status Critical Current

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)
  • Compounds Of Iron (AREA)
  • Gas Separation By Absorption (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

METODO PARA REDUCIR OXIDO DE HIERRO CON GASES REDUCTORES EN UN HORNO DE CUBA.SE HACE RECIRCULAR LOS GASES REDUCTORES, AL MENOS EN PARTE, Y SE LAVA EL GAS DE RECIRCULACION EN EL LAVADOR DEL PRODUCTO DE REACCION CO2, HACIENDOSE PASAR LA SOLUCION DE LAVADO, POR EJEMPLO AGUA, POR UNOS INTERCAMBIADORES DE CALOR COLOCADOS EN LOS TUBOS QUE CONDUCEN EL GAS DE REDUCCION PROCEDENTE DE LA CUBA DEL HORNO Y/O EN LOS TUBOS QUE CONDUCEN EL GAS DE REFRIGERACION PROCEDENTE DEL REFRIGERADOR DE ESPONJA DE HIERRO, APORTANDOSE CALOR AL PROCESO DE REGENERACION MEDIANTE ESTOS GASES.
ES516493A 1982-03-02 1982-10-14 "metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores". Expired ES8400491A1 (es)

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
ES516493A0 ES516493A0 (es) 1983-11-16
ES8400491A1 true ES8400491A1 (es) 1983-11-16

Family

ID=20346142

Family Applications (1)

Application Number Title Priority Date Filing Date
ES516493A Expired ES8400491A1 (es) 1982-03-02 1982-10-14 "metodo y dispositivo para hacer minimo el consumo de energia al reducir oxido de hierro con gases reductores".

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) ES8400491A1 (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
ES516493A0 (es) 1983-11-16
DD203332A5 (de) 1983-10-19
SE448740B (sv) 1987-03-16
IT8223850A0 (it) 1982-10-21
FR2530667A1 (fr) 1984-01-27
FI823476A0 (fi) 1982-10-12
NO823343L (no) 1983-09-05
FI823476A7 (fi) 1983-09-03
DE3233836A1 (de) 1983-09-22
US4432789A (en) 1984-02-21
FI823476L (fi) 1983-09-03
GB2115837A (en) 1983-09-14
SE8201273L (sv) 1983-09-03
ZA827877B (en) 1984-06-27
AU9002782A (en) 1983-09-08
BE894676A (fr) 1983-01-31
JPS58153715A (ja) 1983-09-12
BR8206446A (pt) 1984-05-08
IT1152932B (it) 1987-01-14

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