ATE458974T1 - Reduktionsofen - Google Patents

Reduktionsofen

Info

Publication number
ATE458974T1
ATE458974T1 AT06743366T AT06743366T ATE458974T1 AT E458974 T1 ATE458974 T1 AT E458974T1 AT 06743366 T AT06743366 T AT 06743366T AT 06743366 T AT06743366 T AT 06743366T AT E458974 T1 ATE458974 T1 AT E458974T1
Authority
AT
Austria
Prior art keywords
reduction
metallic iron
iron
zone
iron ore
Prior art date
Application number
AT06743366T
Other languages
English (en)
Inventor
Arbeno Vrech
Ilie-Florian Mitoi
Gianfranco Marconi
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
Application granted granted Critical
Publication of ATE458974T1 publication Critical patent/ATE458974T1/de

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
AT06743366T 2005-04-22 2006-04-21 Reduktionsofen ATE458974T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000731A ITMI20050731A1 (it) 2005-04-22 2005-04-22 Forno di riduzione
PCT/EP2006/061738 WO2006111574A1 (en) 2005-04-22 2006-04-21 Reduction furnace

Publications (1)

Publication Number Publication Date
ATE458974T1 true ATE458974T1 (de) 2010-03-15

Family

ID=35670980

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06743366T ATE458974T1 (de) 2005-04-22 2006-04-21 Reduktionsofen

Country Status (9)

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

Families Citing this family (8)

* 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
WO2011001288A2 (en) 2009-06-29 2011-01-06 Bairong Li 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
CA2816347C (en) * 2010-11-03 2020-05-19 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

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
US6214086B1 (en) * 1999-08-20 2001-04-10 Midrex International B.V. Rotterdam, Zurich Branch Direct reduced iron discharge system and method

Also Published As

Publication number Publication date
MX2007013114A (es) 2008-01-11
EP1877714B1 (de) 2010-02-24
DE602006012474D1 (de) 2010-04-08
ITMI20050731A1 (it) 2006-10-23
BRPI0607534A2 (pt) 2009-09-15
US20090051083A1 (en) 2009-02-26
EG25071A (en) 2011-07-28
BRPI0607534B1 (pt) 2015-06-30
EP1877714A1 (de) 2008-01-16
WO2006111574A1 (en) 2006-10-26

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties