DE69713487D1 - Vorrichtung zur direktherstellung von eisen oder stahl unter verwendung von selbstreduzierenden eisenoxidpellets - Google Patents

Vorrichtung zur direktherstellung von eisen oder stahl unter verwendung von selbstreduzierenden eisenoxidpellets

Info

Publication number
DE69713487D1
DE69713487D1 DE69713487T DE69713487T DE69713487D1 DE 69713487 D1 DE69713487 D1 DE 69713487D1 DE 69713487 T DE69713487 T DE 69713487T DE 69713487 T DE69713487 T DE 69713487T DE 69713487 D1 DE69713487 D1 DE 69713487D1
Authority
DE
Germany
Prior art keywords
self
steel
directly producing
oxide pellets
iron oxide
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.)
Expired - Fee Related
Application number
DE69713487T
Other languages
English (en)
Other versions
DE69713487T2 (de
Inventor
T Jaffre
D Hunt
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.)
Chaparral Steel Co
Original Assignee
Chaparral Steel Co
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 Chaparral Steel Co filed Critical Chaparral Steel Co
Publication of DE69713487D1 publication Critical patent/DE69713487D1/de
Application granted granted Critical
Publication of DE69713487T2 publication Critical patent/DE69713487T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/08—Rotary-drum furnaces, i.e. horizontal or slightly inclined externally heated
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/32—Arrangement of devices for charging
    • 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
    • F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
    • F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
    • F27B7/32—Arrangement of devices for charging
    • F27B7/3205—Charging
    • F27B2007/3211—Charging at the open end of the drum
    • F27B2007/3217—Charging at the open end of the drum axially, optionally at some distance in the kiln
    • F27B2007/3223—Charging at the open end of the drum axially, optionally at some distance in the kiln the charging device being movable axially, e.g. reciprocable
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0033—Heating elements or systems using burners
    • F27D2099/0046—Heating elements or systems using burners with incomplete combustion, e.g. reducing atmosphere
    • F27D2099/0048—Post- combustion
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
DE69713487T 1996-01-16 1997-01-13 Vorrichtung zur direktherstellung von eisen oder stahl unter verwendung von selbstreduzierenden eisenoxidpellets Expired - Fee Related DE69713487T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/587,300 US5685524A (en) 1996-01-16 1996-01-16 Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets
PCT/US1997/000260 WO1997026375A1 (en) 1996-01-16 1997-01-13 Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets

Publications (2)

Publication Number Publication Date
DE69713487D1 true DE69713487D1 (de) 2002-07-25
DE69713487T2 DE69713487T2 (de) 2002-10-31

Family

ID=24349240

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713487T Expired - Fee Related DE69713487T2 (de) 1996-01-16 1997-01-13 Vorrichtung zur direktherstellung von eisen oder stahl unter verwendung von selbstreduzierenden eisenoxidpellets

Country Status (6)

Country Link
US (1) US5685524A (de)
EP (1) EP0882141B1 (de)
AU (1) AU1573597A (de)
CA (1) CA2243124A1 (de)
DE (1) DE69713487T2 (de)
WO (1) WO1997026375A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6379421B1 (en) * 1999-02-25 2002-04-30 Hylsa S.A. De C.V. Method and apparatus removing undesirable metals from iron-containing materials
WO2001025494A1 (en) * 1999-10-01 2001-04-12 Svedala Industries, Inc. Rotary cooler for iron carbide production
US6519942B2 (en) 2001-01-23 2003-02-18 Reginald Wintrell Systems and methods for harvesting energy from direct iron-making off gases
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
US8518146B2 (en) 2009-06-29 2013-08-27 Gb Group Holdings Limited Metal reduction processes, metallurgical processes and products and apparatus
US20120107759A1 (en) * 2010-10-27 2012-05-03 Christopher Moran Flameless impingement preheating furnace
CN102913406B (zh) * 2012-11-14 2015-04-22 浙江海洋学院 船用主机内部余热能发电装置
PL3986596T3 (pl) 2019-08-23 2024-01-29 John W. SCHULTES Sposób i instalacja do bezpośredniej redukcji do wytwarzania bezpośrednio zredukowanego żelaza

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR535879A (fr) * 1921-05-20 1922-04-22 Procédé et appareil pour sécher ou soumettre à un autre traitement préalable les combustibles et les matières à fondre, en vue de leur introduction directe dans la zone de fusion des fourneaux à cuve
GB301011A (en) * 1927-11-23 1929-03-14 Maurice Lambot Improvements in the reduction of iron ores
US2806779A (en) * 1953-09-29 1957-09-17 Mcwane Cast Iron Pipe Co Method of producing iron
US3150958A (en) * 1958-11-27 1964-09-29 Elektrokemisk As Process for the reduction of metals from oxide
US3390979A (en) * 1963-01-14 1968-07-02 Albert E. Greene Direct steel making process
BE646000A (de) * 1963-04-10
US3264092A (en) * 1963-06-20 1966-08-02 Mcdowell Wellman Eng Co System for producing carbonized and metallized iron ore pellets
US3316081A (en) * 1963-09-10 1967-04-25 Billy B Bratton Self-fluxing feed stock for iron and steel producing furnaces and method for producing same
US3382063A (en) * 1964-06-10 1968-05-07 Blocked Iron Corp Ore agglomerates and methods of making the same
US3567428A (en) * 1968-01-26 1971-03-02 Trafik Ab Process for cold hardening of pellets
GB1195468A (en) * 1968-02-16 1970-06-17 Blocked Iron Corp Improvements in or relating to Ore Agglomerates
US3653876A (en) * 1968-07-11 1972-04-04 Wienert Fritz Otto Ferrous pellets
US3617254A (en) * 1969-03-12 1971-11-02 Blocked Iron Corp Method of making ore agglomerates
US3653874A (en) * 1970-01-02 1972-04-04 Koppers Co Inc Production of metal pellets from metallic oxides
US3864120A (en) * 1970-04-14 1975-02-04 Helmut Knuppel Stabilized burnt lime product and process
US3770416A (en) * 1972-04-17 1973-11-06 Univ Michigan Tech Treatment of zinc rich steel mill dusts for reuse in steel making processes
US3938987A (en) * 1973-04-23 1976-02-17 Mcdowell-Wellman Engineering Company Process for preparing a smelter furnace charge composition
US4963185A (en) * 1974-08-01 1990-10-16 Applied Industrial Materials Corporation Agglomerates containing olivine for use in blast furnace
US3966456A (en) * 1974-08-01 1976-06-29 Molten Metal Engineering Co. Process of using olivine in a blast furnace
US3925060A (en) * 1974-09-23 1975-12-09 Timken Co Compact containing iron oxide and carbon and method for its use in steelmaking
US4025297A (en) * 1975-09-22 1977-05-24 Sunbeam Equipment Corporation Rotary retort furnace
CA1091041A (en) * 1977-03-21 1980-12-09 John E. Rehder Production of metals
JPS5440201A (en) * 1977-09-06 1979-03-29 Yoshizawa Sekkai Kogyo Kk Binder for iron ore sintering
US4201370A (en) * 1978-07-10 1980-05-06 College Research Corporation Method and apparatus for heat treating materials to remove contaminants
US4244732A (en) * 1979-03-27 1981-01-13 Kaiser Engineers, Inc. Manufacture of steel from ores containing high phosphorous and other undesirable constituents
JPS5638433A (en) * 1979-09-03 1981-04-13 Kobe Steel Ltd Iron ore pellet containing mgo
AT363503B (de) * 1979-12-18 1981-08-10 Voest Alpine Ag Verfahren zum kontinuierlichen schmelzen von weitgehend vorreduzierten metallischen materialien, insbesondere eisenschwamm, und vorrichtung zur durchfuehrung dieses verfahrens
US4528029A (en) * 1980-07-21 1985-07-09 Board Of Control Of Michigan Technological University Self-reducing iron oxide agglomerates
BR8205577A (pt) * 1981-09-24 1983-08-30 Sumitomo Metal Ind Processo para produzir um minerio de ferro aglomerado a frio
US4529446A (en) * 1982-04-26 1985-07-16 Nicholas Valenti Formed metal-containing briquettes, process for forming the same and process for utilizing the same in the manufacture of steel
JPS5967306A (ja) * 1982-10-12 1984-04-17 Sumitomo Heavy Ind Ltd 直接還元プロセス用還元剤の製造方法
JPS60131930A (ja) * 1983-12-19 1985-07-13 Nippon Kokan Kk <Nkk> 焼結鉱用ペレツト
CA1244656A (en) * 1984-12-03 1988-11-15 Wei-Kao Lu Processes and appparatus for the smelting reduction of smeltable materials
US4728358A (en) * 1985-09-26 1988-03-01 Midrex International, B.V. Rotterdam, Zurich Branch Iron bearing briquet and method of making
US4613363A (en) * 1985-12-11 1986-09-23 Wienert Fritz Otto Process of making silicon, iron and ferroalloys
SU1401064A1 (ru) * 1986-07-02 1988-06-07 Всесоюзный Научно-Исследовательский И Проектный Институт По Очистке Технологических Газов,Сточных Вод И Использованию Вторичных Энергоресурсов Предприятий Черной Металлургии Брикет дл основного сталеплавильного процесса и способ производства брикета
BR8605001A (pt) * 1986-10-13 1988-05-31 Setepla Tecnometal Engenharia Equipamento para producao de metais ferrosos ou nao a partir de minerios ou aglomerados auto-redutores e auto-fundentes ou nao
AT393139B (de) * 1989-08-30 1991-08-26 Heckel Karl Dipl Ing Dr Techn Trockenes verfahren zur kaltbrikettierung von huettenstaeuben
SU1742343A1 (ru) * 1990-01-02 1992-06-23 Курский Политехнический Институт Шихта дл производства окатышей
US4983214A (en) * 1990-02-13 1991-01-08 Zia Technology, Inc. Method and apparatus for direct reduction of metal oxides
US5238486A (en) * 1991-02-19 1993-08-24 Kremenets Yury D Method and furnace for production of liquid iron
US5423951A (en) * 1991-12-17 1995-06-13 Wienert; Fritz O. Process of continuously making coke of high density and strength

Also Published As

Publication number Publication date
EP0882141A1 (de) 1998-12-09
WO1997026375A1 (en) 1997-07-24
CA2243124A1 (en) 1997-07-24
AU1573597A (en) 1997-08-11
DE69713487T2 (de) 2002-10-31
EP0882141B1 (de) 2002-06-19
EP0882141A4 (de) 1999-05-19
US5685524A (en) 1997-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee