CA1075913A - Method and apparatus for producing metallic iron particles - Google Patents

Method and apparatus for producing metallic iron particles

Info

Publication number
CA1075913A
CA1075913A CA252,677A CA252677A CA1075913A CA 1075913 A CA1075913 A CA 1075913A CA 252677 A CA252677 A CA 252677A CA 1075913 A CA1075913 A CA 1075913A
Authority
CA
Canada
Prior art keywords
gas
cooling
furnace
inlet
cooling gas
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
Application number
CA252,677A
Other languages
English (en)
French (fr)
Inventor
Donald Beggs
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.)
Midrex Corp
Original Assignee
Midrex Corp
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 US05/578,477 external-priority patent/US4042226A/en
Priority claimed from US05/611,099 external-priority patent/US4049440A/en
Priority claimed from US05/632,137 external-priority patent/US4046557A/en
Application filed by Midrex Corp filed Critical Midrex Corp
Application granted granted Critical
Publication of CA1075913A publication Critical patent/CA1075913A/en
Expired legal-status Critical Current

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
    • C21B13/0073—Selection or treatment of the reducing gases
    • 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
    • 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
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
CA252,677A 1975-05-19 1976-05-17 Method and apparatus for producing metallic iron particles Expired CA1075913A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/578,477 US4042226A (en) 1975-05-19 1975-05-19 Method and apparatus for producing metallic iron pellets
US05/611,099 US4049440A (en) 1975-05-19 1975-09-08 Method for producing metallic iron pellets
US05/632,137 US4046557A (en) 1975-09-08 1975-11-14 Method for producing metallic iron particles

Publications (1)

Publication Number Publication Date
CA1075913A true CA1075913A (en) 1980-04-22

Family

ID=27416297

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252,677A Expired CA1075913A (en) 1975-05-19 1976-05-17 Method and apparatus for producing metallic iron particles

Country Status (9)

Country Link
JP (1) JPS51140813A (de)
AR (1) AR212332A1 (de)
AU (1) AU496945B2 (de)
BR (1) BR7603082A (de)
CA (1) CA1075913A (de)
DE (1) DE2622349C3 (de)
FR (1) FR2311850A1 (de)
GB (1) GB1595574A (de)
TR (1) TR18949A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810701C2 (de) * 1978-03-11 1984-07-05 Hamburger Stahlwerke Gmbh, 2103 Hamburg Verfahren zur Direktreduktion von Eisenerzen
US4216011A (en) * 1979-04-23 1980-08-05 Hylsa, S.A. Method and apparatus for the secondary gaseous reduction of metal ores
US4351513A (en) * 1981-01-29 1982-09-28 Midrex Corporation Direct reduction of iron using coke oven gas
JPS5843851Y2 (ja) * 1981-07-23 1983-10-04 カンガル−ズ・ユ−・エス・エイ・インコ−ポレイテッド ポケット付靴
DE3203092A1 (de) * 1982-01-30 1983-08-04 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur abscheidung von feinkoernigem direkt reduziertem eisen aus kuehlgasen
MX156697A (es) * 1982-05-12 1988-09-27 Hylsa Sa Metodo mejorado para la reduccion directa de minerales de hierro
US5437708A (en) * 1994-05-04 1995-08-01 Midrex International B.V. Rotterdam, Zurich Branch Iron carbide production in shaft furnace
DE102019217631B4 (de) * 2019-11-15 2024-05-29 Thyssenkrupp Steel Europe Ag Verfahren zur Direktreduktion von Eisenerz

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3063695A (en) * 1958-09-25 1962-11-13 P M Associates Beneficiation of low-grade hematitic ore materials
DE1201377B (de) * 1961-11-23 1965-09-23 Huettenwerk Oberhausen Ag Verfahren und Anlage zur Herstellung von Eisen-schwamm aus Eisenerz in einem Reduktions-schacht mittels Reduktionsgas
US3375099A (en) * 1964-06-30 1968-03-26 Armco Steel Corp Production of iron from pelletized iron ores
US3375098A (en) * 1964-07-22 1968-03-26 Armco Steel Corp Gaseous reduction of iron ores
GB1347785A (en) * 1970-07-15 1974-02-27 Fierro Esponja Method of reducing particulate metal ores
US3765872A (en) * 1970-12-16 1973-10-16 Fierro Esponja Method and apparatus for the gaseous reduction of iron ore to sponge iron
US3905806A (en) * 1973-02-20 1975-09-16 Armco Steel Corp Method for the direct reduction of iron ores
US3853538A (en) * 1973-07-20 1974-12-10 Steel Corp Use of reducing gas by coal gasification for direct iron ore reduction

Also Published As

Publication number Publication date
AU1314976A (en) 1977-10-27
DE2622349A1 (de) 1976-11-25
JPS51140813A (en) 1976-12-04
DE2622349B2 (de) 1980-01-31
BR7603082A (pt) 1977-01-25
DE2622349C3 (de) 1984-10-04
JPS5725602B2 (de) 1982-05-31
GB1595574A (en) 1981-08-12
FR2311850B1 (de) 1979-09-07
AR212332A1 (es) 1978-06-30
TR18949A (tr) 1978-01-01
AU496945B2 (en) 1978-11-16
FR2311850A1 (fr) 1976-12-17

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Legal Events

Date Code Title Description
MKEX Expiry