BR9709685A - Dispositivo e processo para produzir ferro esponja a partir de pedaços de óxido dee ferro. - Google Patents

Dispositivo e processo para produzir ferro esponja a partir de pedaços de óxido dee ferro.

Info

Publication number
BR9709685A
BR9709685A BR9709685-7A BR9709685A BR9709685A BR 9709685 A BR9709685 A BR 9709685A BR 9709685 A BR9709685 A BR 9709685A BR 9709685 A BR9709685 A BR 9709685A
Authority
BR
Brazil
Prior art keywords
iron
reduction
pieces
tank
iron oxide
Prior art date
Application number
BR9709685-7A
Other languages
English (en)
Portuguese (pt)
Inventor
Bogdan Vuletic
Original Assignee
Voest Alpine Ind Anlagen
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 Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Publication of BR9709685A publication Critical patent/BR9709685A/pt

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
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Gas Separation By Absorption (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Powder Metallurgy (AREA)
BR9709685-7A 1996-06-12 1997-05-30 Dispositivo e processo para produzir ferro esponja a partir de pedaços de óxido dee ferro. BR9709685A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19625127A DE19625127C2 (de) 1996-06-12 1996-06-12 Vorrichtung und Verfahren zur Erzeugung von Eisenschwamm
PCT/DE1997/001127 WO1997047773A1 (de) 1996-06-12 1997-05-30 Vorrichtung zur erzeugung von eisenschwamm

Publications (1)

Publication Number Publication Date
BR9709685A true BR9709685A (pt) 2000-01-11

Family

ID=7797790

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709685-7A BR9709685A (pt) 1996-06-12 1997-05-30 Dispositivo e processo para produzir ferro esponja a partir de pedaços de óxido dee ferro.

Country Status (18)

Country Link
US (1) US6379423B1 (h)
EP (1) EP0904415B1 (h)
JP (1) JP2001501673A (h)
CN (1) CN1067107C (h)
AT (1) AT407645B (h)
AU (1) AU730729B2 (h)
BR (1) BR9709685A (h)
CA (1) CA2255076A1 (h)
CZ (1) CZ287903B6 (h)
DE (2) DE19625127C2 (h)
ID (1) ID17048A (h)
IN (1) IN191759B (h)
PL (1) PL330410A1 (h)
SK (1) SK169598A3 (h)
TR (1) TR199802556T2 (h)
TW (1) TW422883B (h)
WO (1) WO1997047773A1 (h)
ZA (1) ZA974570B (h)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1302812B1 (it) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp Forno per la riduzione diretta di ossidi di ferro
AT505490B1 (de) * 2007-06-28 2009-12-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur erzeugung von eisenschwamm
CN101812555A (zh) * 2010-04-15 2010-08-25 山东省冶金设计院股份有限公司 一种强化高炉间接还原的方法及其专用气的制造方法
CN102312032A (zh) * 2011-10-20 2012-01-11 山东道诚工程技术有限公司 一种生产海绵铁的装置
EP2653568A1 (de) 2012-04-18 2013-10-23 Siemens VAI Metals Technologies GmbH Vorrichtung und Verfahren zur Flächenbegasung in einem Reduktionsreaktorschacht
EP3486335A1 (de) 2017-11-15 2019-05-22 Primetals Technologies Austria GmbH Reduktionsgaszufuhr für direktreduktion
EP4350010A1 (de) * 2022-10-05 2024-04-10 Primetals Technologies Austria GmbH Eisenschmelze aus sinter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE482111C (de) * 1929-09-06 Mueller Wilhelm Gasschachtofen zum Brennen oder Roesten von Kalk, Dolomit, Magnesit, Erzen o. dgl. mit Mittelkern und Gutabzug nach der Mitte
US2862808A (en) * 1957-07-31 1958-12-02 Alan N Mann Apparatus and method for reducing iron oxide pellets
US3850616A (en) 1973-10-29 1974-11-26 Armco Steel Corp Inert gas seal for product discharge from a shaft furnace
US4118017A (en) * 1976-01-02 1978-10-03 United States Steel Corporation Shaft furnace design
US4205831A (en) * 1979-04-04 1980-06-03 Hylsa, S. A. Ore reduction reactor discharge regulator
DE3034539C2 (de) * 1980-09-12 1982-07-22 Korf-Stahl Ag, 7570 Baden-Baden Verfahren und Vorrichtung zur direkten Erzeugung von flüssigem Roheisen aus stückigem Eisenerz
SU1129239A1 (ru) * 1982-04-26 1984-12-15 Химико-металлургический институт АН КазССР Устройство дл термохимической обработки сыпучих материалов газовым потоком
AT382166B (de) * 1985-05-13 1987-01-26 Voest Alpine Ag Verfahren zur direktreduktion von teilchenf¯rmigem eisenoxidhaeltigem material
JPS61276909A (ja) * 1985-05-31 1986-12-06 Sumitomo Metal Ind Ltd 還元鉄製造方法
JPS62294127A (ja) * 1986-06-13 1987-12-21 Kobe Steel Ltd シヤフト炉における酸化鉄還元方法

Also Published As

Publication number Publication date
EP0904415A1 (de) 1999-03-31
CN1222197A (zh) 1999-07-07
TW422883B (en) 2001-02-21
CZ400098A3 (cs) 1999-08-11
ID17048A (id) 1997-12-04
DE19625127A1 (de) 1997-12-18
US6379423B1 (en) 2002-04-30
AT407645B (de) 2001-05-25
EP0904415B1 (de) 2001-08-08
ZA974570B (en) 1997-12-29
SK169598A3 (en) 1999-05-07
PL330410A1 (en) 1999-05-10
CZ287903B6 (cs) 2001-03-14
DE19625127C2 (de) 1998-04-30
IN191759B (h) 2003-12-27
AU3025497A (en) 1998-01-07
ATA905797A (de) 2000-09-15
CA2255076A1 (en) 1997-12-18
WO1997047773A1 (de) 1997-12-18
DE59704252D1 (de) 2001-09-13
TR199802556T2 (xx) 2001-09-21
AU730729B2 (en) 2001-03-15
JP2001501673A (ja) 2001-02-06
CN1067107C (zh) 2001-06-13

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law