EP1930449A3 - Shaft furnace - Google Patents

Shaft furnace 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
shaft furnace
gas
line
gas bustle
bustle
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
German (de)
French (fr)
Other versions
EP1930449B1 (en
EP1930449A2 (en
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/en
Application filed by Mines And Metals Engineering (mme) filed Critical Mines And Metals Engineering (mme)
Publication of EP1930449A2 publication Critical patent/EP1930449A2/en
Publication of EP1930449A3 publication Critical patent/EP1930449A3/en
Application granted granted Critical
Publication of EP1930449B1 publication Critical patent/EP1930449B1/en
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 peculiar to 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 peculiar to 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
    • F27D17/001—Extraction of waste gases, collection of fumes and hoods used 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)

Abstract

The invention refers to a vertical shaft furnace (100) for a burden (115) moving under the influence of gravity from the top to the bottom of the shaft furnace, in particular for the production of directly reduced iron, with at least one gas bustle line (131, 132), which is connected with at least one gas bustle port (133, 134) in a reduction zone (101), which is characterized in that an injection system (400, 410) for a burnable gas mixture is provided in the gas bustle line (131, 132).
EP07023877A 2006-12-11 2007-12-10 Shaft furnace Active EP1930449B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IR138538200 2006-12-11
DE102006062689A DE102006062689B4 (en) 2006-12-21 2006-12-21 Shaft furnace for the direct reduction of iron oxide

Publications (3)

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

Family

ID=83229110

Family Applications (3)

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

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP07023875A Active EP1930448B1 (en) 2006-12-11 2007-12-10 Shaft furnace
EP07023876A Active EP1930678B1 (en) 2006-12-11 2007-12-10 Shaft furnace

Country Status (4)

Country Link
EP (3) EP1930448B1 (en)
AT (1) ATE473302T1 (en)
DE (4) DE202007019472U1 (en)
ES (3) ES2386466T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101556108B (en) * 2009-05-25 2010-12-01 四川大学 Vertical kiln and technique for preparing phosphoric acid by vertical kiln method
WO2018085514A1 (en) * 2016-11-03 2018-05-11 Midrex Technologies, Inc. Direct reduction process and shaft furnace utilizing an extended flow diverter cone
CN109182634B (en) * 2018-09-20 2023-08-15 中晋冶金科技有限公司 Efficient gas-based shaft furnace direct reduction iron-making system and method
US20210301358A1 (en) * 2020-03-24 2021-09-30 Midrex Technologies, Inc. Methods and systems for increasing the carbon content of direct reduced iron in a reduction furnace
CN116769994B (en) * 2023-08-25 2023-11-17 山西冶金工程技术有限公司 Material loosening device of gas-based reduction shaft furnace

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 (en) * 1973-11-06 1978-04-10 Bischoff Gasreinigung FLOOR GAS PURIFICATION SYSTEM FOR PRESSURE FURNACES
JPS5814485B2 (en) * 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 Youkouro
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 (en) * 1976-01-09 1983-07-12 石川島播磨重工業株式会社 Blast furnace gas collection device
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
FR2702221B1 (en) * 1993-03-03 1995-04-28 Air Liquide Process for obtaining metal from the blast furnace or cupola.
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
DE202007019169U1 (en) 2010-11-11
EP1930678A3 (en) 2008-12-31
ES2386464T3 (en) 2012-08-21
EP1930449B1 (en) 2012-06-27
ATE473302T1 (en) 2010-07-15
DE202007019452U1 (en) 2012-08-27
DE202007019472U1 (en) 2012-10-12
EP1930448A2 (en) 2008-06-11
ES2346796T3 (en) 2010-10-20
ES2386466T3 (en) 2012-08-21
EP1930449A2 (en) 2008-06-11
DE602007007561D1 (en) 2010-08-19
EP1930678B1 (en) 2012-06-27
EP1930448B1 (en) 2010-07-07
EP1930678A2 (en) 2008-06-11
EP1930448A3 (en) 2008-12-31

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