EP1930448A3 - Shaft furnace - Google Patents

Shaft furnace Download PDF

Info

Publication number
EP1930448A3
EP1930448A3 EP07023875A EP07023875A EP1930448A3 EP 1930448 A3 EP1930448 A3 EP 1930448A3 EP 07023875 A EP07023875 A EP 07023875A EP 07023875 A EP07023875 A EP 07023875A EP 1930448 A3 EP1930448 A3 EP 1930448A3
Authority
EP
European Patent Office
Prior art keywords
shaft furnace
furnace
outlet
slanted
burden
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
EP07023875A
Other languages
German (de)
French (fr)
Other versions
EP1930448B1 (en
EP1930448A2 (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 EP1930448A2 publication Critical patent/EP1930448A2/en
Publication of EP1930448A3 publication Critical patent/EP1930448A3/en
Application granted granted Critical
Publication of EP1930448B1 publication Critical patent/EP1930448B1/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

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 furnace outlet (120) provided at the top of the shaft furnace, which is characterized in that the central axis of the furnace gas outlet (120) is slanted with regard to the horizontal by an angle of 45 to 55°.
EP07023875A 2006-12-11 2007-12-10 Shaft furnace Active EP1930448B1 (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
EP1930448A2 EP1930448A2 (en) 2008-06-11
EP1930448A3 true EP1930448A3 (en) 2008-12-31
EP1930448B1 EP1930448B1 (en) 2010-07-07

Family

ID=83229110

Family Applications (3)

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

Family Applications Before (2)

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

Country Status (4)

Country Link
EP (3) EP1930678B1 (en)
AT (1) ATE473302T1 (en)
DE (4) DE202007019472U1 (en)
ES (3) ES2386466T3 (en)

Families Citing this family (4)

* 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
UA122738C2 (en) 2016-11-03 2020-12-28 Мідрекс Текнолоджиз, Інк. 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
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007025A (en) * 1973-11-06 1977-02-08 Gottfried Bischoff Bau Kompl. Apparatus for cleaning stack gas and using same for generation of electric power
JPS5228404A (en) * 1975-08-29 1977-03-03 Ishikawajima Harima Heavy Ind Co Ltd Melting furnace
JPS5260204A (en) * 1975-11-13 1977-05-18 Ishikawajima Harima Heavy Ind Co Ltd Dust remover for blast furnace
JPS5285904A (en) * 1976-01-09 1977-07-16 Ishikawajima Harima Heavy Ind Co Ltd Collector for blast furnace exhaust gas
WO1994020642A1 (en) * 1993-03-03 1994-09-15 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for obtaining metal from a blast furnace or cupola furnace

Family Cites Families (9)

* 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
DE1458762A1 (en) * 1965-07-29 1969-03-13 Huettenwerk Oberhausen Ag Shaft furnace for the direct reduction of iron ore
CA922519A (en) * 1968-06-24 1973-03-13 Beggs Donald Method of and apparatus for reducing iron oxide to metallic iron
AU459472B2 (en) * 1971-03-29 1975-03-11 Nippon Koran Kabushiki Kaisha A combustion process and apparatus for blast furnaces
US4054444A (en) 1975-09-22 1977-10-18 Midrex Corporation Method for controlling the carbon content of directly reduced iron
GB2016124B (en) * 1978-03-11 1982-06-09 Hamburger Stahlwerke Gmbh Rocess and apparatus for the direct reduction of iron ores
US4536213A (en) * 1984-09-10 1985-08-20 Mildrex International, B.V. Reforming of higher hydrocarbons for metal oxide reduction
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
IT1302815B1 (en) * 1998-12-11 2000-09-29 Danieli & C Ohg Sp PROCEDURE AND APPARATUS FOR DIRECT REDUCTION OF MINERAL DIFERRO WITH OPTIMIZED INJECTION OF REDUCING GAS

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007025A (en) * 1973-11-06 1977-02-08 Gottfried Bischoff Bau Kompl. Apparatus for cleaning stack gas and using same for generation of electric power
JPS5228404A (en) * 1975-08-29 1977-03-03 Ishikawajima Harima Heavy Ind Co Ltd Melting furnace
JPS5260204A (en) * 1975-11-13 1977-05-18 Ishikawajima Harima Heavy Ind Co Ltd Dust remover for blast furnace
JPS5285904A (en) * 1976-01-09 1977-07-16 Ishikawajima Harima Heavy Ind Co Ltd Collector for blast furnace exhaust gas
WO1994020642A1 (en) * 1993-03-03 1994-09-15 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for obtaining metal from a blast furnace or cupola furnace

Also Published As

Publication number Publication date
ATE473302T1 (en) 2010-07-15
ES2386466T3 (en) 2012-08-21
DE202007019472U1 (en) 2012-10-12
EP1930449A3 (en) 2009-01-07
DE602007007561D1 (en) 2010-08-19
EP1930448B1 (en) 2010-07-07
DE202007019169U1 (en) 2010-11-11
EP1930678A2 (en) 2008-06-11
EP1930449A2 (en) 2008-06-11
EP1930678A3 (en) 2008-12-31
EP1930449B1 (en) 2012-06-27
EP1930448A2 (en) 2008-06-11
ES2386464T3 (en) 2012-08-21
ES2346796T3 (en) 2010-10-20
EP1930678B1 (en) 2012-06-27
DE202007019452U1 (en) 2012-08-27

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