FR2311850A1 - Procede et appareil pour produire des particules de fer metallique - Google Patents

Procede et appareil pour produire des particules de fer metallique

Info

Publication number
FR2311850A1
FR2311850A1 FR7615101A FR7615101A FR2311850A1 FR 2311850 A1 FR2311850 A1 FR 2311850A1 FR 7615101 A FR7615101 A FR 7615101A FR 7615101 A FR7615101 A FR 7615101A FR 2311850 A1 FR2311850 A1 FR 2311850A1
Authority
FR
France
Prior art keywords
iron particles
producing metal
metal iron
producing
particles
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
FR7615101A
Other languages
English (en)
French (fr)
Other versions
FR2311850B1 (OSRAM
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
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

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0073Selection or treatment of the reducing gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/02Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/02Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029Introducing coolant gas in the shaft furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/22Increasing the gas reduction potential of recycled exhaust gases by reforming
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44Removing particles, e.g. by scrubbing, dedusting
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64Controlling the physical properties of the gas, e.g. pressure or temperature
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction 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 true FR2311850A1 (fr) 1976-12-17
FR2311850B1 FR2311850B1 (OSRAM) 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 (OSRAM)
AR (1) AR212332A1 (OSRAM)
AU (1) AU496945B2 (OSRAM)
BR (1) BR7603082A (OSRAM)
CA (1) CA1075913A (OSRAM)
DE (1) DE2622349C3 (OSRAM)
FR (1) FR2311850A1 (OSRAM)
GB (1) GB1595574A (OSRAM)
TR (1) TR18949A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498628A1 (fr) * 1981-01-29 1982-07-30 Midrex Corp Reduction directe du fer en utilisant un gaz de four a coke
EP0085443A3 (de) * 1982-01-30 1984-10-10 Metallgesellschaft Ag Verfahren zur Abscheidung von feinkörnigem direkt reduziertem Eisen aus Kühlgasen

Families Citing this family (7)

* 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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2498628A1 (fr) * 1981-01-29 1982-07-30 Midrex Corp Reduction directe du fer en utilisant un gaz de four a coke
EP0085443A3 (de) * 1982-01-30 1984-10-10 Metallgesellschaft Ag Verfahren zur Abscheidung von feinkörnigem direkt reduziertem Eisen aus Kühlgasen

Also Published As

Publication number Publication date
BR7603082A (pt) 1977-01-25
DE2622349B2 (de) 1980-01-31
FR2311850B1 (OSRAM) 1979-09-07
GB1595574A (en) 1981-08-12
JPS5725602B2 (OSRAM) 1982-05-31
DE2622349A1 (de) 1976-11-25
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

Similar Documents

Publication Publication Date Title
FR2300545A1 (fr) Procede et appareil pour recueillir des matieres
FR2291291A1 (fr) Appareil d'electrodialyse et procede pour la modification d'ions
FR2348739A1 (fr) Procede et dispositif pour produire des particules uniformes
FR2279486A1 (fr) Procede et appareil de formage de pieces metalliques
FR2282315A1 (fr) Procede et appareil pour fabriquer des ebauches de metal par pulverisation
FR2352887A1 (fr) Procede et appareil pour l'affinage d'acier
BE819569A (fr) Appareil et procede pour souder
FR2302128A1 (fr) Appareil d'adsorption de substances nocives et procede de mise en oeuvre
BE840795A (fr) Procede et appareil pour la coulee de metaux
FR2297378A1 (fr) Procede et appareil pour faire passer un objet a l'interieur d'un tuyau
FR2313135A1 (fr) Appareil et procede pour traiter une surface
BE789968A (fr) Procede et appareil de reduction de minerais metalliques en particules en fer spongieux
FR2353355A1 (fr) Procede et appareil pour former des pieces frittees en superalliages
FR2306020A1 (fr) Procede et appareil pour le classement de particules
BE890452A (fr) Procede et appareil pour la reduction gazeuse de minerai metallique en particules
BE787511A (fr) Procede et appareil pour redresser des pieces coulees en continu
BE812202A (fr) Appareil et procede de traitement de metaux en fusion
FR2310309A1 (fr) Procede et appareil de formation de melanges gazeux reducteurs
BE842053A (fr) Procede et appareil pour le traitement de dechets putrefactifs
FR2313450A1 (fr) Procede et appareil pour la passivation continue d'eponge de fer
FR2311850A1 (fr) Procede et appareil pour produire des particules de fer metallique
FR2321357A1 (fr) Procede et appareil pour produire des pieces coulees en fonte nodulaire
FR2333241A1 (fr) Procede et appareil de controle de la qualite de pieces de fonte
BE838301A (fr) Procede et appareil pour fractionner des ordures
BE826881A (fr) Procede et appareil pour produire des phophates de calcium

Legal Events

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