AT367454B - Schachtofen und verfahren zum reduzieren von teilchenfoermigem eisenoxyd - Google Patents

Schachtofen und verfahren zum reduzieren von teilchenfoermigem eisenoxyd

Info

Publication number
AT367454B
AT367454B AT0099378A AT99378A AT367454B AT 367454 B AT367454 B AT 367454B AT 0099378 A AT0099378 A AT 0099378A AT 99378 A AT99378 A AT 99378A AT 367454 B AT367454 B AT 367454B
Authority
AT
Austria
Prior art keywords
iron oxide
particular iron
shaft oven
reducing particular
reducing
Prior art date
Application number
AT0099378A
Other languages
English (en)
Other versions
ATA99378A (de
Original Assignee
Midrex Corp
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 Midrex Corp filed Critical Midrex Corp
Publication of ATA99378A publication Critical patent/ATA99378A/de
Application granted granted Critical
Publication of AT367454B publication Critical patent/AT367454B/de

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
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/023—Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state
    • C21B13/026—Making spongy iron or liquid steel, by direct processes in shaft furnaces wherein iron or steel is obtained in a molten state heated electrically
    • 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
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
AT0099378A 1977-02-16 1978-02-13 Schachtofen und verfahren zum reduzieren von teilchenfoermigem eisenoxyd AT367454B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/769,242 US4082543A (en) 1977-02-16 1977-02-16 Method for reducing particulate iron oxide to metallic iron with solid reductant

Publications (2)

Publication Number Publication Date
ATA99378A ATA99378A (de) 1981-11-15
AT367454B true AT367454B (de) 1982-07-12

Family

ID=25084902

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0099378A AT367454B (de) 1977-02-16 1978-02-13 Schachtofen und verfahren zum reduzieren von teilchenfoermigem eisenoxyd

Country Status (20)

Country Link
US (2) US4082543A (de)
JP (1) JPS53100911A (de)
AR (1) AR218474A1 (de)
AT (1) AT367454B (de)
AU (1) AU515312B2 (de)
BR (1) BR7800859A (de)
CA (1) CA1102139A (de)
DE (1) DE2805944C2 (de)
ES (1) ES467046A1 (de)
GB (1) GB1594162A (de)
GR (1) GR66840B (de)
IN (1) IN147336B (de)
IT (1) IT1095401B (de)
NZ (1) NZ186322A (de)
PH (2) PH16506A (de)
PL (1) PL125724B1 (de)
PT (1) PT67629B (de)
SU (1) SU704463A3 (de)
TR (1) TR21090A (de)
ZA (1) ZA78879B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306903A (en) * 1977-02-16 1981-12-22 Midrex Corporation Method for reducing particulate iron oxide to molten iron with solid reductant and oxy-fuel burners
US4248408A (en) * 1977-02-16 1981-02-03 Midrex Corporation Method and apparatus for reducing particulate iron oxide to molten iron with solid reductant and oxy-fuel burners
CA1110454A (en) * 1978-04-03 1981-10-13 Midrex Corporation Method and apparatus for reducing particulate iron oxide to molten iron with solid reductant
JPS54152615A (en) * 1978-05-24 1979-12-01 Ishikawajima Harima Heavy Ind Co Ltd Suspended layer type direct reduction iron making process
DE3214472A1 (de) 1982-04-20 1983-10-27 Hubert Eirich Vorrichtung zum erhitzen von elektrisch leitfaehigen schuettguetern
DE3442063A1 (de) * 1984-11-17 1986-06-12 EGM Entwicklungsgesellschaft für Montagetechnik GmbH & Co KG, 3012 Langenhagen Betaetigungsvorrichtung fuer maschinen, anlagen oder geraete
FR2629837B1 (fr) * 1988-04-08 1991-03-08 Fusion Volatilisation Sarl Four a cuve pour la reduction d'oxyde de fer par l'hydrogene en vue de la production de poudre de fer pour frittage
US5173921A (en) * 1991-01-04 1992-12-22 Gaylord E Mervyn J Apparatus and process for activation of carbon by electrical resistance heating in the presence of steam
US5347666A (en) * 1994-02-04 1994-09-20 Kippes Arlin J Transfer aid
US6692688B2 (en) * 2001-03-20 2004-02-17 Startec Iron, Llc Modular furnace
US20050092130A1 (en) * 2002-03-19 2005-05-05 Golberger William M. Process and apparatus for the direct reduction of iron oxides in an electrothermal fluidized bed and resultant product
US20040200536A1 (en) * 2003-03-28 2004-10-14 Strasser Richard T. Fire hose having illuminated sleeve
US7413592B2 (en) * 2004-03-31 2008-08-19 Nu-Iron Technology, Llc Linear hearth furnace system and methods regarding same
FR2910777B1 (fr) * 2006-12-21 2013-07-19 Revtech Procede de traitement thermique de materiaux pulverulents
CN102559978B (zh) * 2012-02-17 2014-04-09 王东海 一种电加热生产海绵铁的方法及其系统
UA111685C2 (uk) 2012-10-01 2016-05-25 Мідрекс Текнолоджиз, Інк. Пристрій та спосіб для поліпшення однорідності шихти в шахтній печі для комбінованого риформінгу/відновлення
CN102899438A (zh) * 2012-10-26 2013-01-30 贵州新天地设备有限公司 一种直接还原铁生产用还原炉
WO2014111901A2 (en) * 2013-01-21 2014-07-24 Chetty Natarajan Channaiah An efficient process in the production of iron and steel from iron ore
WO2023064981A1 (en) * 2021-10-18 2023-04-27 Calix Ltd Processes and methods for the production of iron and steel
CN115029494B (zh) * 2022-06-21 2023-12-12 首钢集团有限公司 一种反应罐、氢还原系统以及氢还原方法
DE102023102571A1 (de) * 2023-02-02 2024-08-08 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerzträgern in einem Schachtofen und Schachtofen zur Direktreduktion
DE102024203318A1 (de) * 2024-04-11 2025-10-16 Sms Group Gmbh Verfahren und metallurgisches Gefäß zur Direkt-Reduktion von Erzen

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1937064A (en) * 1925-01-05 1933-11-28 Pittsburgh Res Corp Method of treating metals
US2089782A (en) * 1934-12-14 1937-08-10 Industrimetoder Ab Process of producing sponge iron
US2786747A (en) * 1953-04-09 1957-03-26 Charmilles Sa Ateliers Reduction of iron ores by carbon and steam and plant for carrying it into effect
DE1044849B (de) * 1954-02-02 1958-11-27 Norsk Hydro Elektrisk Verfahren zur Erzeugung von Eisenschwamm durch Reduktion von Eisenerz mit einem hauptsaechlich aus Wasserstoff und Kohlenoxyd bestehendem Gas als Reduktionsmittel ohne Zugabe fester Reduktionsmittel zum Eisenerz in einem durch elektrische Widerstands-beheizung beheizten vertikalen Schachtofen
US2755325A (en) * 1954-03-05 1956-07-17 Goldschmidt Ag Th Electric shaft furnace
US2932563A (en) * 1954-10-13 1960-04-12 Johannes Bernhard Hahn Process for reducing iron ores at low temperatures
US2865732A (en) * 1956-01-07 1958-12-23 Norsk Hydro Elektrisk Process for the production of sponge iron
US2862808A (en) * 1957-07-31 1958-12-02 Alan N Mann Apparatus and method for reducing iron oxide pellets
US3046106A (en) * 1960-06-22 1962-07-24 Exxon Research Engineering Co Iron ore reduction with coke
US3161500A (en) * 1961-08-04 1964-12-15 Aluminium Lab Ltd Protection of graphite surfaces from attack by aluminum monohalide
US3204941A (en) * 1962-05-08 1965-09-07 Aluminium Lab Ltd Rotary extractor cone for shaft furnace
US3427013A (en) * 1966-09-08 1969-02-11 Steep Rock Iron Mines Ltd Low temperature blast furnace and method therefor
LU60607A1 (de) * 1969-06-06 1970-05-26
US3764123A (en) * 1970-06-29 1973-10-09 Midland Ross Corp Method of and apparatus for reducing iron oxide to metallic iron
BE791243A (fr) * 1971-12-23 1973-05-10 Texaco Development Corp Procede de production d'un melange gazeux reducteur
US3844766A (en) * 1973-12-26 1974-10-29 Midland Ross Corp Process for reducing iron oxide to metallic sponge iron with liquid or solid fuels
GB1510992A (en) * 1974-06-11 1978-05-17 Kinglor Metor Spa Carbothermic process of a type using external heating to obtain sponge iron and the carbothermic process thus improved

Also Published As

Publication number Publication date
AU515312B2 (en) 1981-03-26
PH17608A (en) 1984-10-05
BR7800859A (pt) 1979-01-02
US4082543A (en) 1978-04-04
AU3335478A (en) 1979-08-23
SU704463A3 (ru) 1979-12-15
IT7820215A0 (it) 1978-02-13
ES467046A1 (es) 1978-11-01
DE2805944A1 (de) 1978-08-17
US4140301A (en) 1979-02-20
PT67629A (de) 1978-03-01
GB1594162A (en) 1981-07-30
ZA78879B (en) 1979-01-31
PH16506A (en) 1983-11-08
CA1102139A (en) 1981-06-02
DE2805944C2 (de) 1983-11-24
TR21090A (tr) 1983-07-01
JPS53100911A (en) 1978-09-02
IN147336B (de) 1980-02-02
PL204615A1 (pl) 1978-12-04
ATA99378A (de) 1981-11-15
PT67629B (de) 1979-07-17
IT1095401B (it) 1985-08-10
JPS5649966B2 (de) 1981-11-26
AR218474A1 (es) 1980-06-13
PL125724B1 (en) 1983-06-30
NZ186322A (en) 1980-08-26
GR66840B (de) 1981-05-04

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee