WO2000047780A3 - Procede et appareil pour prechauffer du fer de reduction directe utilise pour alimenter un four a arc electrique - Google Patents

Procede et appareil pour prechauffer du fer de reduction directe utilise pour alimenter un four a arc electrique Download PDF

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Publication number
WO2000047780A3
WO2000047780A3 PCT/IB2000/000607 IB0000607W WO0047780A3 WO 2000047780 A3 WO2000047780 A3 WO 2000047780A3 IB 0000607 W IB0000607 W IB 0000607W WO 0047780 A3 WO0047780 A3 WO 0047780A3
Authority
WO
WIPO (PCT)
Prior art keywords
preheating
electric arc
reduced iron
feed
arc furnace
Prior art date
Application number
PCT/IB2000/000607
Other languages
English (en)
Other versions
WO2000047780A2 (fr
Inventor
Juan A Villarreal-Trevino
Original Assignee
Hylsa Sa
Villarreal Trevino Juan A
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 Hylsa Sa, Villarreal Trevino Juan A filed Critical Hylsa Sa
Priority to AU41391/00A priority Critical patent/AU4139100A/en
Publication of WO2000047780A2 publication Critical patent/WO2000047780A2/fr
Publication of WO2000047780A3 publication Critical patent/WO2000047780A3/fr

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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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • 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)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

Cette invention concerne un procédé et un appareil pour préchauffer du fer de réduction directe (DRI) avant son introduction dans un four métallurgique tel qu'un four à arc électrique. Ce procédé consiste à mettre en contact le DRI avec un gaz non oxydant, réducteur ou de cémentation, à une température élevée. La présente invention concerne également un moyen permettant de réduire la demande électrique à l'intérieur du four (par l'utilisation d'une source de chaleur moins coûteuse) et, plus important encore, permettant de réduire l'intervalle entre deux coulées et donc d'améliorer la productivité du four de fusion. Eventuellement, l'invention peut être exploitée pour également augmenter la teneur en carbone du DRI à charger.
PCT/IB2000/000607 1999-02-02 2000-02-01 Procede et appareil pour prechauffer du fer de reduction directe utilise pour alimenter un four a arc electrique WO2000047780A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU41391/00A AU4139100A (en) 1999-02-02 2000-02-01 Method and apparatus for preheating of direct reduced iron used as feed to an electric arc furnace

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11828999P 1999-02-02 1999-02-02
US60/118,289 1999-02-02

Publications (2)

Publication Number Publication Date
WO2000047780A2 WO2000047780A2 (fr) 2000-08-17
WO2000047780A3 true WO2000047780A3 (fr) 2001-07-26

Family

ID=22377674

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2000/000607 WO2000047780A2 (fr) 1999-02-02 2000-02-01 Procede et appareil pour prechauffer du fer de reduction directe utilise pour alimenter un four a arc electrique

Country Status (2)

Country Link
AU (1) AU4139100A (fr)
WO (1) WO2000047780A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4801732B2 (ja) * 2006-01-04 2011-10-26 サールスタール アーゲー 鉄塊化物を予熱する方法
EP3529383B1 (fr) 2016-10-24 2022-01-12 Technological Resources PTY. Limited Procédé et appareil pour la réduction en continu de minerai de fer à l'aide de biomasse
CN114410873A (zh) * 2021-12-28 2022-04-29 东北大学 基于微波预热含铁炉料的纯氢竖炉炼铁装置及其炼铁方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609400A (en) * 1984-08-02 1986-09-02 Intersteel Technology, Inc. Method and apparatus for preheating charge materials for continuous steelmaking
US4822411A (en) * 1986-05-07 1989-04-18 Voest-Alpine Aktiengesellschaft Integrated steel mill arrangement
US4931090A (en) * 1989-08-23 1990-06-05 Zia Technology, Inc. Pneumatic steelmaking vessel and method of producing steel
US5069716A (en) * 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
US5400358A (en) * 1992-10-13 1995-03-21 Consteel, S.A. Continuous scrap preheating
US5529599A (en) * 1995-01-20 1996-06-25 Calderon; Albert Method for co-producing fuel and iron
US5588982A (en) * 1995-05-01 1996-12-31 Alabama Power Company Process for producing foudry iron
US5603748A (en) * 1993-06-19 1997-02-18 Lurgi Metallurgie Gmbh Process and apparatus for a direct reduction of iron oxide containing materials to form Fe3 C

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609400A (en) * 1984-08-02 1986-09-02 Intersteel Technology, Inc. Method and apparatus for preheating charge materials for continuous steelmaking
US4822411A (en) * 1986-05-07 1989-04-18 Voest-Alpine Aktiengesellschaft Integrated steel mill arrangement
US4931090A (en) * 1989-08-23 1990-06-05 Zia Technology, Inc. Pneumatic steelmaking vessel and method of producing steel
US5069716A (en) * 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
US5400358A (en) * 1992-10-13 1995-03-21 Consteel, S.A. Continuous scrap preheating
US5603748A (en) * 1993-06-19 1997-02-18 Lurgi Metallurgie Gmbh Process and apparatus for a direct reduction of iron oxide containing materials to form Fe3 C
US5529599A (en) * 1995-01-20 1996-06-25 Calderon; Albert Method for co-producing fuel and iron
US5588982A (en) * 1995-05-01 1996-12-31 Alabama Power Company Process for producing foudry iron

Also Published As

Publication number Publication date
WO2000047780A2 (fr) 2000-08-17
AU4139100A (en) 2000-08-29

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