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IT1310771B1 - Forno per la riduzione diretta di ossidi di ferro - Google Patents

Forno per la riduzione diretta di ossidi di ferro

Info

Publication number
IT1310771B1
IT1310771B1 IT1999UD000158A ITUD990158A IT1310771B1 IT 1310771 B1 IT1310771 B1 IT 1310771B1 IT 1999UD000158 A IT1999UD000158 A IT 1999UD000158A IT UD990158 A ITUD990158 A IT UD990158A IT 1310771 B1 IT1310771 B1 IT 1310771B1
Authority
IT
Italy
Prior art keywords
oven
iron oxides
direct reduction
reduction
direct
Prior art date
Application number
IT1999UD000158A
Other languages
English (en)
Inventor
Alfredo Poloni
Milorad Pavlicevic
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 IT1999UD000158A priority Critical patent/IT1310771B1/it
Publication of ITUD990158A0 publication Critical patent/ITUD990158A0/it
Priority to US09/653,283 priority patent/US6342179B1/en
Priority to AU67187/00A priority patent/AU6718700A/en
Priority to PCT/IB2000/001258 priority patent/WO2001018260A1/en
Publication of ITUD990158A1 publication Critical patent/ITUD990158A1/it
Application granted granted Critical
Publication of IT1310771B1 publication Critical patent/IT1310771B1/it

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
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B1/24—Cooling arrangements
    • 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
    • F27B1/005—Shaft or like vertical or substantially vertical furnaces wherein no smelting of the charge occurs, e.g. calcining or sintering 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
    • 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
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/30—Arrangements for extraction or collection of waste gases; Hoods therefor
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/0018—Cooling of furnaces the cooling medium passing through a pattern of tubes
    • F27D2009/0021—Cooling of furnaces the cooling medium passing through a pattern of tubes with the parallel tube parts close to each other, e.g. a serpentine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Compounds Of Iron (AREA)
IT1999UD000158A 1999-09-06 1999-09-06 Forno per la riduzione diretta di ossidi di ferro IT1310771B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT1999UD000158A IT1310771B1 (it) 1999-09-06 1999-09-06 Forno per la riduzione diretta di ossidi di ferro
US09/653,283 US6342179B1 (en) 1999-09-06 2000-08-31 Furnace for the direct reduction of iron oxides
AU67187/00A AU6718700A (en) 1999-09-06 2000-09-05 Furnace for the direct reduction of iron oxides
PCT/IB2000/001258 WO2001018260A1 (en) 1999-09-06 2000-09-05 Furnace for the direct reduction of iron oxides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999UD000158A IT1310771B1 (it) 1999-09-06 1999-09-06 Forno per la riduzione diretta di ossidi di ferro

Publications (3)

Publication Number Publication Date
ITUD990158A0 ITUD990158A0 (it) 1999-09-06
ITUD990158A1 ITUD990158A1 (it) 2001-03-06
IT1310771B1 true IT1310771B1 (it) 2002-02-22

Family

ID=11423027

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999UD000158A IT1310771B1 (it) 1999-09-06 1999-09-06 Forno per la riduzione diretta di ossidi di ferro

Country Status (4)

Country Link
US (1) US6342179B1 (it)
AU (1) AU6718700A (it)
IT (1) IT1310771B1 (it)
WO (1) WO2001018260A1 (it)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178162A (en) 1963-03-18 1965-04-13 Cameron And Jones Inc Regulable off-gas flow control
US4212452A (en) * 1979-04-30 1980-07-15 Jack Hsieh Apparatus for the direct reduction of iron ore
US4470581A (en) * 1981-01-29 1984-09-11 Midrex Corporation Apparatus for selective reduction of metallic oxides
US6200363B1 (en) * 1998-10-09 2001-03-13 Midrex International B.V. Rotterdam Zurich Branch Direct reduced iron hot/cold discharge system
RU2219244C2 (ru) * 1999-08-20 2003-12-20 Мидрекс Интернэшнл Б.В. Роттердам, Цюрих Бранч Система для разгрузки железа, полученного методом прямого восстановления

Also Published As

Publication number Publication date
US6342179B1 (en) 2002-01-29
ITUD990158A0 (it) 1999-09-06
WO2001018260A1 (en) 2001-03-15
ITUD990158A1 (it) 2001-03-06
AU6718700A (en) 2001-04-10

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