BE869717A - Procede de traitement d'eponge de fer en vue de la protection contre une reoxydation et dispositif de mise en oeuvre de ce procede - Google Patents

Procede de traitement d'eponge de fer en vue de la protection contre une reoxydation et dispositif de mise en oeuvre de ce procede

Info

Publication number
BE869717A
BE869717A BE189871A BE189871A BE869717A BE 869717 A BE869717 A BE 869717A BE 189871 A BE189871 A BE 189871A BE 189871 A BE189871 A BE 189871A BE 869717 A BE869717 A BE 869717A
Authority
BE
Belgium
Prior art keywords
implementing
protection against
iron sponge
treatment process
against reoxidation
Prior art date
Application number
BE189871A
Other languages
English (en)
Inventor
Kurt Stift
Horst Sulzbacher
Guenther Saiger
Original Assignee
Voest Ag
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 Voest Ag filed Critical Voest Ag
Publication of BE869717A publication Critical patent/BE869717A/fr

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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
BE189871A 1977-08-25 1978-08-11 Procede de traitement d'eponge de fer en vue de la protection contre une reoxydation et dispositif de mise en oeuvre de ce procede BE869717A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT617477A AT350600B (de) 1977-08-25 1977-08-25 Verfahren zur behandlung von eisenschwamm zum verhindern der reoxidation und vorrichtung zur durchfuehrung dieses verfahrens

Publications (1)

Publication Number Publication Date
BE869717A true BE869717A (fr) 1978-12-01

Family

ID=3583629

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189871A BE869717A (fr) 1977-08-25 1978-08-11 Procede de traitement d'eponge de fer en vue de la protection contre une reoxydation et dispositif de mise en oeuvre de ce procede

Country Status (24)

Country Link
US (1) US4254167A (fr)
JP (1) JPS583003B2 (fr)
AR (1) AR215736A1 (fr)
AT (1) AT350600B (fr)
AU (1) AU505111B1 (fr)
BE (1) BE869717A (fr)
BR (1) BR7805479A (fr)
CA (1) CA1124141A (fr)
DE (1) DE2829924C3 (fr)
ES (1) ES472851A1 (fr)
FR (1) FR2401227A1 (fr)
GB (1) GB2003057B (fr)
GR (1) GR64997B (fr)
IN (1) IN149510B (fr)
IT (1) IT1107690B (fr)
LU (1) LU80146A1 (fr)
MY (1) MY8300179A (fr)
NL (1) NL7807751A (fr)
NO (1) NO148961C (fr)
OA (1) OA06172A (fr)
SE (1) SE433946B (fr)
TR (1) TR20387A (fr)
ZA (1) ZA783925B (fr)
ZM (1) ZM6678A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5591691A (en) * 1978-12-29 1980-07-11 Silver Seiko Ltd Typewriter
AT367097B (de) * 1980-06-11 1982-05-25 Voest Alpine Ag Verfahren zum behandeln von metallischen huetteneinsatzstoffen, insbesondere eisenschwammteilchen
AT367804B (de) * 1980-10-01 1982-08-10 Voest Alpine Ag Verfahren zur behandlung von eisenschwamm
US4388116A (en) * 1981-08-04 1983-06-14 Hylsa, S.A. Passivation of sponge iron
US4559269A (en) * 1984-04-13 1985-12-17 Mcgean-Rohco, Inc. Composite puffed borax particles
US4751098A (en) * 1986-07-22 1988-06-14 Westinghouse Electric Corp. Reoxidation of partially oxidizable powders
JPH025928U (fr) * 1988-06-23 1990-01-16
US5181954A (en) * 1991-01-14 1993-01-26 Hylsa S.A. De C.V. Method for coating iron-bearing particles to be processed in a direct reduction process
US6506231B2 (en) 1996-03-15 2003-01-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
CA2248273C (fr) * 1996-03-15 2010-05-18 Kabushiki Kaisha Kobe Seiko Sho Procede et appareil de production de fer metallique
JP2002294318A (ja) * 2001-04-02 2002-10-09 Nippon Steel Corp 還元ペレットの屋外貯蔵方法
JP2002363625A (ja) * 2001-06-05 2002-12-18 Kobe Steel Ltd 表面被覆還元鉄、その製造方法および溶解方法
CA2810840C (fr) 2010-09-10 2018-01-02 Nu-Iron Technology, Llc Materiau dri traite
DE102021115807A1 (de) 2021-06-18 2022-12-22 Thyssenkrupp Steel Europe Ag Verfahren zum Behandeln von Eisenschwamm

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2871115A (en) * 1956-06-01 1959-01-27 United States Steel Corp Method of preparing self-fluxing synthetic iron scrap
DE1184364B (de) * 1956-06-01 1964-12-31 United States Steel Corp Verfahren zum Herstellen von als Ersatz fuer Schrotteisen bei der Stahlerzeugung dienenden, metallisches Eisen enthaltenden Agglomeraten
GB833016A (en) * 1956-06-01 1960-04-21 United States Steel Corp Self-fluxing synthetic iron scrap and method of preparing the same
US3185563A (en) * 1961-05-17 1965-05-25 R N Corp Method and means for prevention of reoxidation of iron concentrates and the like
FR1432307A (fr) * 1965-05-05 1966-03-18 R N Corp Briquette en fer pulvérulent comprimé et son procédé de fabrication
US3479232A (en) * 1966-09-20 1969-11-18 Exxon Research Engineering Co Passivation of metals
DE1533875A1 (de) * 1967-05-09 1970-02-05 Schenck Dr Ing Dr Ing E H Herm Vor Rueckoxydation geschuetzte Eisenschwammstuecke,insbesondere Pellets
US3549425A (en) * 1968-01-10 1970-12-22 Exxon Research Engineering Co Passivation of metals
US3617394A (en) * 1968-11-22 1971-11-02 Exxon Research Engineering Co Kiln passivation of reduced ores
DE1940767A1 (de) * 1969-08-11 1972-02-10 Oswald Werner Leodegar Dr Phil Schutz von Eisenschwammpellets vor Rueckoxidation
US3690930A (en) * 1970-07-13 1972-09-12 Exxon Research Engineering Co Method of protecting reduced iron ore by coating
DE2061346C3 (de) * 1970-12-12 1974-10-10 Huettenwerk Oberhausen Ag, 4200 Oberhausen Verfahren zur Vorbereitung von Eisenerzpellets zur Direktreduktion im Fest- und Wanderbett
DE2306647A1 (de) * 1973-02-10 1974-08-15 Werner Wenzel Verfahren zum einschmelzen von eisenschwamm
US4075370A (en) * 1976-04-28 1978-02-21 Ogden Metals, Inc. Passivating metallic cuttings and turnings
US4032352A (en) * 1976-05-03 1977-06-28 Midrex Corporation Binder composition

Also Published As

Publication number Publication date
NO148961B (no) 1983-10-10
DE2829924C3 (de) 1985-11-14
SE433946B (sv) 1984-06-25
OA06172A (fr) 1981-06-30
ZM6678A1 (en) 1979-06-21
JPS5445609A (en) 1979-04-11
NL7807751A (nl) 1979-02-27
MY8300179A (en) 1983-12-31
FR2401227B1 (fr) 1982-03-05
FR2401227A1 (fr) 1979-03-23
US4254167A (en) 1981-03-03
IT7850713A0 (it) 1978-08-11
TR20387A (tr) 1981-05-18
JPS583003B2 (ja) 1983-01-19
ZA783925B (en) 1979-11-28
CA1124141A (fr) 1982-05-25
DE2829924B2 (de) 1980-08-28
AR215736A1 (es) 1979-10-31
NO782883L (no) 1979-02-27
DE2829924A1 (de) 1979-03-08
AU505111B1 (en) 1979-11-08
AT350600B (de) 1979-06-11
IN149510B (fr) 1982-01-02
NO148961C (no) 1984-01-18
SE7808934L (sv) 1979-02-26
GB2003057B (en) 1982-02-24
GR64997B (en) 1980-06-11
BR7805479A (pt) 1979-05-02
LU80146A1 (fr) 1979-01-19
ES472851A1 (es) 1979-03-16
ATA617477A (de) 1978-11-15
GB2003057A (en) 1979-03-07
IT1107690B (it) 1985-11-25

Similar Documents

Publication Publication Date Title
BE868865A (fr) Procede et dispositif d'ebavurage de pieces d'usinage
JPS5722751A (en) Treating device used for cooling treatment
BE869717A (fr) Procede de traitement d'eponge de fer en vue de la protection contre une reoxydation et dispositif de mise en oeuvre de ce procede
BE871147A (fr) Procede et dispositif pour le traitement des surfaces et le dressage des pieces d'oeuvre
FR2459293B1 (fr) Procede et dispositif de traitement hydrometallurgique des poussieres metallurgiques
DE3275106D1 (en) Apparatus treating specimens at raised temperatures
FR2348125A1 (fr) Procede et dispositif pour retirer des articles de stock
FR2303865A1 (fr) Procede de traitement d'alliages de zirconium contre la corrosion
BE852729A (fr) Procede de traitement pour realiser une protection contre la rouille
JPS53136355A (en) Method of and device for treating water
BE857196A (fr) Procede et dispositif ameliores pour l'usinage par enlevement de matiere de barres metalliques
BE880835A (fr) Procede et dispositif de refroidissement pour le traitement des metaux
GB2007723B (en) Method and apparatus for the treatment of metallurgical slags
IT1107214B (it) Apparecchio e procedimento per il trattamento termico di acciaio
FR2454156B1 (fr) Procede pour enfiler et retirer un vetement protecteur
BE866635A (fr) Procede d'epuration des eaux residuaires et dispositif pour appliquer ledit procede
BE822500A (fr) Procede et dispositif pour l'egalisation des bandes de peigneuse
GB2011294B (en) Device for mounting rollers ina machine for treating metal sheelts of the like
JPS5418149A (en) Method of and device for treating water
FR2340987A1 (fr) Procede et equipement pour le traitement du laitier metallurgique ferrugineux
JPS5337195A (en) Treating process for blast furness slag
FR2309046A1 (fr) Procede de regulation d'un systeme electrochimique du type redox et dispositif de mise en oeuvre
RO84970A (fr) Procede et appareil pour l'elimination de l'ammoniac dans le systeme de traitement des tissus
BE858210A (fr) Procede de traitement superficiel du zinc ou d'alliages de zinc
LU78802A1 (fr) Procede de traitement de residus de minerais de zinc ferriferes