FR2311850B1 - - Google Patents

Info

Publication number
FR2311850B1
FR2311850B1 FR7615101A FR7615101A FR2311850B1 FR 2311850 B1 FR2311850 B1 FR 2311850B1 FR 7615101 A FR7615101 A FR 7615101A FR 7615101 A FR7615101 A FR 7615101A FR 2311850 B1 FR2311850 B1 FR 2311850B1
Authority
FR
France
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
FR7615101A
Other languages
French (fr)
Other versions
FR2311850A1 (fr
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
Publication of FR2311850A1 publication Critical patent/FR2311850A1/fr
Application granted granted Critical
Publication of FR2311850B1 publication Critical patent/FR2311850B1/fr
Granted 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)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
FR7615101A 1975-05-19 1976-05-19 Procede et appareil pour produire des particules de fer metallique Granted FR2311850A1 (fr)

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 (2)

Publication Number Publication Date
FR2311850A1 FR2311850A1 (fr) 1976-12-17
FR2311850B1 true FR2311850B1 (show.php) 1979-09-07

Family

ID=27416297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7615101A Granted FR2311850A1 (fr) 1975-05-19 1976-05-19 Procede et appareil pour produire des particules de fer metallique

Country Status (9)

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

Families Citing this family (9)

* 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
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
BR112023026193A2 (pt) * 2021-06-14 2024-03-05 Jfe Steel Corp Método de produção de ferro reduzido
CN117625951A (zh) * 2022-08-12 2024-03-01 中冶长天国际工程有限责任公司 一种流态化制备铬系不锈钢的方法及装置

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
BR7603082A (pt) 1977-01-25
DE2622349B2 (de) 1980-01-31
GB1595574A (en) 1981-08-12
JPS5725602B2 (show.php) 1982-05-31
DE2622349A1 (de) 1976-11-25
FR2311850A1 (fr) 1976-12-17
DE2622349C3 (de) 1984-10-04
AU1314976A (en) 1977-10-27
JPS51140813A (en) 1976-12-04
AR212332A1 (es) 1978-06-30
CA1075913A (en) 1980-04-22
AU496945B2 (en) 1978-11-16
TR18949A (tr) 1978-01-01

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse