IT1302815B1 - Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente - Google Patents

Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente

Info

Publication number
IT1302815B1
IT1302815B1 IT1998UD000216A ITUD980216A IT1302815B1 IT 1302815 B1 IT1302815 B1 IT 1302815B1 IT 1998UD000216 A IT1998UD000216 A IT 1998UD000216A IT UD980216 A ITUD980216 A IT UD980216A IT 1302815 B1 IT1302815 B1 IT 1302815B1
Authority
IT
Italy
Prior art keywords
diferro
mineral
procedure
reducing gas
direct reduction
Prior art date
Application number
IT1998UD000216A
Other languages
English (en)
Inventor
Milorad Pavlicevic
Gianpietro Benedetti
Ljuban Milic
Original Assignee
Danieli & C Ohg Sp
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 Danieli & C Ohg Sp filed Critical Danieli & C Ohg Sp
Priority to IT1998UD000216A priority Critical patent/IT1302815B1/it
Priority to AU12922/00A priority patent/AU1292200A/en
Priority to PCT/IB1999/001944 priority patent/WO2000036159A1/en
Priority to ARP990106285A priority patent/AR021610A1/es
Publication of ITUD980216A1 publication Critical patent/ITUD980216A1/it
Application granted granted Critical
Publication of IT1302815B1 publication Critical patent/IT1302815B1/it

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
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
    • F27B15/006—Equipment for treating dispersed material falling under gravity with ascending gases
    • 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)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
IT1998UD000216A 1998-12-11 1998-12-11 Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente IT1302815B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT1998UD000216A IT1302815B1 (it) 1998-12-11 1998-12-11 Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente
AU12922/00A AU1292200A (en) 1998-12-11 1999-12-06 Method and apparatus for the direct reduction of mineral iron with optimized injection of reducing gas
PCT/IB1999/001944 WO2000036159A1 (en) 1998-12-11 1999-12-06 Method and apparatus for the direct reduction of mineral iron with optimized injection of reducing gas
ARP990106285A AR021610A1 (es) 1998-12-11 1999-12-09 Metodo y aparato para la reduccion directa de hierro mineral con una inyeccion optimizada de gas de reduccion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1998UD000216A IT1302815B1 (it) 1998-12-11 1998-12-11 Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente

Publications (2)

Publication Number Publication Date
ITUD980216A1 ITUD980216A1 (it) 2000-06-11
IT1302815B1 true IT1302815B1 (it) 2000-09-29

Family

ID=11422799

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998UD000216A IT1302815B1 (it) 1998-12-11 1998-12-11 Procedimento ed apparato per la riduzione diretta di minerale diferro con iniezione ottimizzata del gas riducente

Country Status (4)

Country Link
AR (1) AR021610A1 (it)
AU (1) AU1292200A (it)
IT (1) IT1302815B1 (it)
WO (1) WO2000036159A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007019452U1 (de) * 2006-12-11 2012-08-27 Mines And Metals Engineering Gmbh (M.M.E.) Schachtofen
AT505490B1 (de) * 2007-06-28 2009-12-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur erzeugung von eisenschwamm
EP2653568A1 (de) * 2012-04-18 2013-10-23 Siemens VAI Metals Technologies GmbH Vorrichtung und Verfahren zur Flächenbegasung in einem Reduktionsreaktorschacht
US20210301358A1 (en) * 2020-03-24 2021-09-30 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118017A (en) * 1976-01-02 1978-10-03 United States Steel Corporation Shaft furnace design
GB2016124B (en) * 1978-03-11 1982-06-09 Hamburger Stahlwerke Gmbh Rocess and apparatus for the direct reduction of iron ores
US4270739A (en) * 1979-10-22 1981-06-02 Midrex Corporation Apparatus for direct reduction of iron using high sulfur gas
JPH05302107A (ja) * 1992-04-27 1993-11-16 Nkk Corp 高炉炉芯の活性化方法
US5387274A (en) * 1993-11-15 1995-02-07 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of iron carbide

Also Published As

Publication number Publication date
AU1292200A (en) 2000-07-03
AR021610A1 (es) 2002-07-31
WO2000036159A1 (en) 2000-06-22
ITUD980216A1 (it) 2000-06-11

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Legal Events

Date Code Title Description
0001 Granted