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ITMI20050731A1 - Forno di riduzione - Google Patents

Forno di riduzione

Info

Publication number
ITMI20050731A1
ITMI20050731A1 IT000731A ITMI20050731A ITMI20050731A1 IT MI20050731 A1 ITMI20050731 A1 IT MI20050731A1 IT 000731 A IT000731 A IT 000731A IT MI20050731 A ITMI20050731 A IT MI20050731A IT MI20050731 A1 ITMI20050731 A1 IT MI20050731A1
Authority
IT
Italy
Prior art keywords
reduction
metallic iron
iron
zone
iron ore
Prior art date
Application number
IT000731A
Other languages
English (en)
Inventor
Gianfranco Marconi
Ilie-Florian Mitoi
Arbeno Vrech
Original Assignee
Danieli Off Mecc
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 Off Mecc filed Critical Danieli Off Mecc
Priority to IT000731A priority Critical patent/ITMI20050731A1/it
Priority to AT06743366T priority patent/ATE458974T1/de
Priority to MX2007013114A priority patent/MX2007013114A/es
Priority to BRPI0607534-7A priority patent/BRPI0607534B1/pt
Priority to US11/918,921 priority patent/US20090051083A1/en
Priority to DE602006012474T priority patent/DE602006012474D1/de
Priority to EP06743366A priority patent/EP1877714B1/en
Priority to PCT/EP2006/061738 priority patent/WO2006111574A1/en
Publication of ITMI20050731A1 publication Critical patent/ITMI20050731A1/it
Priority to EGNA2007001145 priority patent/EG25071A/xx

Links

Classifications

    • 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
    • F27B19/00—Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04—Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • 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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/21—Arrangements of devices for discharging
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0033—Charging; Discharging; Manipulation of charge charging of particulate material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Furnace Details (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
IT000731A 2005-04-22 2005-04-22 Forno di riduzione ITMI20050731A1 (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IT000731A ITMI20050731A1 (it) 2005-04-22 2005-04-22 Forno di riduzione
AT06743366T ATE458974T1 (de) 2005-04-22 2006-04-21 Reduktionsofen
MX2007013114A MX2007013114A (es) 2005-04-22 2006-04-21 Horno de reduccion.
BRPI0607534-7A BRPI0607534B1 (pt) 2005-04-22 2006-04-21 Forno de redução
US11/918,921 US20090051083A1 (en) 2005-04-22 2006-04-21 Reduction furnace
DE602006012474T DE602006012474D1 (de) 2005-04-22 2006-04-21 Reduktionsofen
EP06743366A EP1877714B1 (en) 2005-04-22 2006-04-21 Reduction furnace
PCT/EP2006/061738 WO2006111574A1 (en) 2005-04-22 2006-04-21 Reduction furnace
EGNA2007001145 EG25071A (en) 2005-04-22 2007-10-22 Reduction furnace.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000731A ITMI20050731A1 (it) 2005-04-22 2005-04-22 Forno di riduzione

Publications (1)

Publication Number Publication Date
ITMI20050731A1 true ITMI20050731A1 (it) 2006-10-23

Family

ID=35670980

Family Applications (1)

Application Number Title Priority Date Filing Date
IT000731A ITMI20050731A1 (it) 2005-04-22 2005-04-22 Forno di riduzione

Country Status (9)

Country Link
US (1) US20090051083A1 (it)
EP (1) EP1877714B1 (it)
AT (1) ATE458974T1 (it)
BR (1) BRPI0607534B1 (it)
DE (1) DE602006012474D1 (it)
EG (1) EG25071A (it)
IT (1) ITMI20050731A1 (it)
MX (1) MX2007013114A (it)
WO (1) WO2006111574A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006062689B4 (de) * 2006-12-21 2009-01-22 Mines And Metals Engineering Gmbh (M.M.E.) Schachtofen für die direkte Reduktion von Eisenoxid
US8518146B2 (en) 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
AT509357B1 (de) 2010-01-15 2012-01-15 Siemens Vai Metals Tech Gmbh Verfahren und vorrichtung zur reduktion von eisenerzhältigen einsatzstoffen oder zur herstellung von roheisen oder flüssigen stahlvorprodukten
US9376730B2 (en) * 2010-11-03 2016-06-28 Technological Resources Pty. Limited Production of iron
CN102168185A (zh) * 2011-03-20 2011-08-31 梁小军 立式还原炉
WO2020171079A1 (ja) * 2019-02-19 2020-08-27 合同会社Ｋｅｓｓ 直接還元鉄製造設備
US11788159B2 (en) * 2020-03-24 2023-10-17 Midrex Technologies, Inc. Integration of DR plant and electric DRI melting furnace for producing high performance iron
CN114921603A (zh) * 2022-05-31 2022-08-19 中冶京诚工程技术有限公司 螺旋式热态直接还原铁输送装置及方法
CN116516093B (zh) * 2023-05-22 2024-05-14 河钢集团有限公司 一种直接还原铁的生产装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256290A (en) * 1979-10-15 1981-03-17 Pullman Incorporated Bottom cooling arrangement for reduction apparatus
US4270739A (en) * 1979-10-22 1981-06-02 Midrex Corporation Apparatus for direct reduction of iron using high sulfur gas
AT381954B (de) * 1984-08-16 1986-12-29 Voest Alpine Ag Verfahren zur direktreduktion von eisenoxidhaeltigen materialien
US5676732A (en) * 1995-09-15 1997-10-14 Hylsa, S.A. De C.V. Method for producing direct reduced iron utilizing a reducing gas with a high content of carbon monoxide
AU1202900A (en) * 1998-10-09 2000-05-01 Midrex International B.V. Zurich Branch Direct reduced iron hot/cold discharge system
AU764644B2 (en) * 1999-08-20 2003-08-28 Midrex International B.V. Zurich Branch Direct reduced iron discharge system

Also Published As

Publication number Publication date
EP1877714A1 (en) 2008-01-16
EP1877714B1 (en) 2010-02-24
WO2006111574A1 (en) 2006-10-26
US20090051083A1 (en) 2009-02-26
BRPI0607534B1 (pt) 2015-06-30
MX2007013114A (es) 2008-01-11
BRPI0607534A2 (pt) 2009-09-15
EG25071A (en) 2011-07-28
DE602006012474D1 (de) 2010-04-08
ATE458974T1 (de) 2010-03-15

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