EP1930449A3 - Schachtofen - Google Patents

Schachtofen Download PDF

Info

Publication number
EP1930449A3
EP1930449A3 EP07023877A EP07023877A EP1930449A3 EP 1930449 A3 EP1930449 A3 EP 1930449A3 EP 07023877 A EP07023877 A EP 07023877A EP 07023877 A EP07023877 A EP 07023877A EP 1930449 A3 EP1930449 A3 EP 1930449A3
Authority
EP
European Patent Office
Prior art keywords
cooling gas
shaft furnace
zone
cooling
reduction zone
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP07023877A
Other languages
English (en)
French (fr)
Other versions
EP1930449A2 (de
EP1930449B1 (de
Inventor
Seyed Mohammed Reza Najmossadat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mines And Metals Engineering (mme)
Original Assignee
Mines And Metals Engineering (mme)
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
Priority claimed from DE102006062689A external-priority patent/DE102006062689B4/de
Application filed by Mines And Metals Engineering (mme) filed Critical Mines And Metals Engineering (mme)
Publication of EP1930449A2 publication Critical patent/EP1930449A2/de
Publication of EP1930449A3 publication Critical patent/EP1930449A3/de
Application granted granted Critical
Publication of EP1930449B1 publication Critical patent/EP1930449B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F27B1/16—Arrangements of tuyeres
    • 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
    • F27B1/18—Arrangements of dust collectors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Heat Treatment Of Articles (AREA)
  • Compressor (AREA)
EP07023877A 2006-12-11 2007-12-10 Schachtofen Active EP1930449B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IR138538200 2006-12-11
DE102006062689A DE102006062689B4 (de) 2006-12-21 2006-12-21 Schachtofen für die direkte Reduktion von Eisenoxid

Publications (3)

Publication Number Publication Date
EP1930449A2 EP1930449A2 (de) 2008-06-11
EP1930449A3 true EP1930449A3 (de) 2009-01-07
EP1930449B1 EP1930449B1 (de) 2012-06-27

Family

ID=83229110

Family Applications (3)

Application Number Title Priority Date Filing Date
EP07023875A Active EP1930448B1 (de) 2006-12-11 2007-12-10 Schachtofen
EP07023877A Active EP1930449B1 (de) 2006-12-11 2007-12-10 Schachtofen
EP07023876A Active EP1930678B1 (de) 2006-12-11 2007-12-10 Schachtofen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07023875A Active EP1930448B1 (de) 2006-12-11 2007-12-10 Schachtofen

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP07023876A Active EP1930678B1 (de) 2006-12-11 2007-12-10 Schachtofen

Country Status (4)

Country Link
EP (3) EP1930448B1 (de)
AT (1) ATE473302T1 (de)
DE (4) DE202007019452U1 (de)
ES (3) ES2386466T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556108B (zh) * 2009-05-25 2010-12-01 四川大学 竖窑与竖窑法制磷酸的工艺
MY193106A (en) * 2016-11-03 2022-09-26 Midrex Technologies Inc Direct reduction process and shaft furnace utilizing an extended flow diverter cone
CN109182634B (zh) * 2018-09-20 2023-08-15 中晋冶金科技有限公司 一种高效的气基竖炉直接还原炼铁系统及方法
US12084730B2 (en) * 2020-03-24 2024-09-10 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace
CN116769994B (zh) * 2023-08-25 2023-11-17 山西冶金工程技术有限公司 一种气基还原竖炉松料装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111251A (en) * 1965-07-29 1968-04-24 Huettenwerk Oberhausen Ag Improvements in or relating to shaft furnaces for the direct reduction of iron ore
GB1269841A (en) * 1968-06-24 1972-04-06 Midland Ross Corp Method of and apparatus for reducing iron oxide to metallic iron
GB2016124A (en) * 1978-03-11 1979-09-19 Hamburger Stahlwerke Gmbh Rocess and apparatus for the direct reduction of iron ores
WO2000036159A1 (en) * 1998-12-11 2000-06-22 Danieli & C. Officine Meccaniche S.P.A. Method and apparatus for the direct reduction of mineral iron with optimized injection of reducing gas

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA874354A (en) * 1971-06-29 Huttenwerk Oberhausen Ag Furnace for direct reduction of iron ores
AU459472B2 (en) * 1971-03-29 1975-03-11 Nippon Koran Kabushiki Kaisha A combustion process and apparatus for blast furnaces
AT342632B (de) * 1973-11-06 1978-04-10 Bischoff Gasreinigung Gichtgasreinigungsanlage fur druckhochofen
JPS5814485B2 (ja) * 1975-08-29 1983-03-19 イシカワジマハリマジユウコウギヨウ カブシキガイシヤ ヨウコウロ
US4054444A (en) 1975-09-22 1977-10-18 Midrex Corporation Method for controlling the carbon content of directly reduced iron
JPS5260204A (en) * 1975-11-13 1977-05-18 Ishikawajima Harima Heavy Ind Co Ltd Dust remover for blast furnace
JPS5832205B2 (ja) * 1976-01-09 1983-07-12 石川島播磨重工業株式会社 高炉のガス捕集装置
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
FR2702221B1 (fr) * 1993-03-03 1995-04-28 Air Liquide Procédé d'obtention de métal au haut-fourneau ou au cubilot.
US20020007699A1 (en) 1997-09-05 2002-01-24 Montague Stephen C. Apparatus and method for optimizing the use of oxygen in the direct reduction of iron

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1111251A (en) * 1965-07-29 1968-04-24 Huettenwerk Oberhausen Ag Improvements in or relating to shaft furnaces for the direct reduction of iron ore
GB1269841A (en) * 1968-06-24 1972-04-06 Midland Ross Corp Method of and apparatus for reducing iron oxide to metallic iron
GB2016124A (en) * 1978-03-11 1979-09-19 Hamburger Stahlwerke Gmbh Rocess and apparatus for the direct reduction of iron ores
WO2000036159A1 (en) * 1998-12-11 2000-06-22 Danieli & C. Officine Meccaniche S.P.A. Method and apparatus for the direct reduction of mineral iron with optimized injection of reducing gas

Also Published As

Publication number Publication date
DE202007019452U1 (de) 2012-08-27
ATE473302T1 (de) 2010-07-15
EP1930448A2 (de) 2008-06-11
EP1930448A3 (de) 2008-12-31
ES2386466T3 (es) 2012-08-21
EP1930449A2 (de) 2008-06-11
ES2346796T3 (es) 2010-10-20
EP1930678A3 (de) 2008-12-31
DE202007019169U1 (de) 2010-11-11
DE602007007561D1 (de) 2010-08-19
EP1930449B1 (de) 2012-06-27
EP1930678A2 (de) 2008-06-11
EP1930448B1 (de) 2010-07-07
EP1930678B1 (de) 2012-06-27
ES2386464T3 (es) 2012-08-21
DE202007019472U1 (de) 2012-10-12

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