EG25071A - Reduction furnace. - Google Patents

Reduction furnace.

Info

Publication number
EG25071A
EG25071A EGNA2007001145A EG25071A EG 25071 A EG25071 A EG 25071A EG NA2007001145 A EGNA2007001145 A EG NA2007001145A EG 25071 A EG25071 A EG 25071A
Authority
EG
Egypt
Prior art keywords
reduction
metallic iron
iron
zone
reduction furnace
Prior art date
Application number
Other languages
English (en)
Inventor
Arbeno Vrech
Ilie-Florian Mitoi
Gianfranco Marconi
Original Assignee
Danieli & C Officine Mecccaniche Spa
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 Officine Mecccaniche Spa filed Critical Danieli & C Officine Mecccaniche Spa
Application granted granted Critical
Publication of EG25071A publication Critical 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 different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00
    • F27B19/04—Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00 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 specially adapted for 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Manufacture Of Iron (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)
EGNA2007001145 2005-04-22 2007-10-22 Reduction furnace. EG25071A (en)

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
EG25071A true EG25071A (en) 2011-07-28

Family

ID=35670980

Family Applications (1)

Application Number Title Priority Date Filing Date
EGNA2007001145 EG25071A (en) 2005-04-22 2007-10-22 Reduction furnace.

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 (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
WO2011001282A2 (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
WO2012058717A1 (en) * 2010-11-03 2012-05-10 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
US6200363B1 (en) * 1998-10-09 2001-03-13 Midrex International B.V. Rotterdam 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
EP1877714B1 (de) 2010-02-24
MX2007013114A (es) 2008-01-11
DE602006012474D1 (de) 2010-04-08
WO2006111574A1 (en) 2006-10-26
BRPI0607534A2 (pt) 2009-09-15
EP1877714A1 (de) 2008-01-16
ITMI20050731A1 (it) 2006-10-23
ATE458974T1 (de) 2010-03-15
BRPI0607534B1 (pt) 2015-06-30
US20090051083A1 (en) 2009-02-26

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