IT1041142B - Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido - Google Patents

Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido

Info

Publication number
IT1041142B
IT1041142B IT50827/75A IT5082775A IT1041142B IT 1041142 B IT1041142 B IT 1041142B IT 50827/75 A IT50827/75 A IT 50827/75A IT 5082775 A IT5082775 A IT 5082775A IT 1041142 B IT1041142 B IT 1041142B
Authority
IT
Italy
Prior art keywords
reattors
ids
improvement
fluid bed
direct reduction
Prior art date
Application number
IT50827/75A
Other languages
English (en)
Inventor
G Alitta
E Pasero
Malgarini Giansilvio
C Raggio
Candia C De
Original Assignee
Italimpianti Spa
Centro Speriment Metallurg
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 Italimpianti Spa, Centro Speriment Metallurg filed Critical Italimpianti Spa
Priority to IT50827/75A priority Critical patent/IT1041142B/it
Priority to GB30924/76A priority patent/GB1549296A/en
Priority to DE2633691A priority patent/DE2633691C2/de
Priority to NO762672A priority patent/NO762672L/no
Priority to BE6045631A priority patent/BE844853A/xx
Priority to AR264184A priority patent/AR212026A1/es
Priority to US05/711,458 priority patent/US4082545A/en
Priority to MX165779A priority patent/MX144756A/es
Priority to FR7623811A priority patent/FR2320351A1/fr
Priority to NL7608725A priority patent/NL7608725A/xx
Application granted granted Critical
Publication of IT1041142B publication Critical patent/IT1041142B/it

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
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Manufacture Of Iron (AREA)
IT50827/75A 1975-08-05 1975-08-05 Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido IT1041142B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT50827/75A IT1041142B (it) 1975-08-05 1975-08-05 Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido
GB30924/76A GB1549296A (en) 1975-08-05 1976-07-23 Fluidised-bed reduction of iron ore
DE2633691A DE2633691C2 (de) 1975-08-05 1976-07-27 Verfahren zur Verhinderung eines Zusetzens der Durchlässe am Boden des Wirbelbettes bei der Reduktion von Eisenerz in mehreren Wirbelbetten
NO762672A NO762672L (it) 1975-08-05 1976-08-02
BE6045631A BE844853A (fr) 1975-08-05 1976-08-03 Procede de reduction directe de minerais de fer dans des reacteurs a lit fluidise et produits obtenus
AR264184A AR212026A1 (es) 1975-08-05 1976-08-03 Procedimiento para reducir mineral de hierro en forma directa
US05/711,458 US4082545A (en) 1975-08-05 1976-08-04 Reduction of iron ore in fluidized bed reactors
MX165779A MX144756A (es) 1975-08-05 1976-08-04 Procedimiento mejorado para la reduccion de minerales de hierro en reactores de lecho fluidizado
FR7623811A FR2320351A1 (fr) 1975-08-05 1976-08-04 Procede de reduction directe de minerais de fer dans des reacteurs a lit fluidise et produits obtenus
NL7608725A NL7608725A (nl) 1975-08-05 1976-08-05 Werkwijze voor direkte reduktie van ijzererts in reaktors met gefluidiseerd bed.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT50827/75A IT1041142B (it) 1975-08-05 1975-08-05 Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido

Publications (1)

Publication Number Publication Date
IT1041142B true IT1041142B (it) 1980-01-10

Family

ID=11273939

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50827/75A IT1041142B (it) 1975-08-05 1975-08-05 Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido

Country Status (10)

Country Link
US (1) US4082545A (it)
AR (1) AR212026A1 (it)
BE (1) BE844853A (it)
DE (1) DE2633691C2 (it)
FR (1) FR2320351A1 (it)
GB (1) GB1549296A (it)
IT (1) IT1041142B (it)
MX (1) MX144756A (it)
NL (1) NL7608725A (it)
NO (1) NO762672L (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450279A1 (fr) * 1979-03-01 1980-09-26 Fives Cail Babcock Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede
US4375983A (en) * 1979-04-26 1983-03-08 Hylsa, S.A. Method of making sponge metal
US4312919A (en) * 1980-01-16 1982-01-26 Devanney John W Process of producing a non-agglomerating vanadium coated particle
DE4240197C2 (de) * 1992-11-30 1996-04-18 Vuletic Bogdan Dipl Ing Verfahren zur Herstellung von Roheisen aus Eisenerzen und Vorrichtung zur thermischen und/oder chemischen Behandlung eines leicht zerfallenden Materials oder zur Herstellung von Roheisen mittels dieses Verfahrens
DE4307484A1 (de) * 1993-03-10 1994-09-15 Metallgesellschaft Ag Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln
US5674308A (en) * 1994-08-12 1997-10-07 Midrex International B.V. Rotterdam, Zurich Branch Spouted bed circulating fluidized bed direct reduction system and method
US5431711A (en) * 1994-08-12 1995-07-11 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidized bed direct reduction system
US5435831A (en) * 1994-08-12 1995-07-25 Midrex International B.V. Rotterdam, Zurich Branch Circulating fluidizable bed co-processing of fines in a direct reduction system
US5810905A (en) * 1996-10-07 1998-09-22 Cleveland Cliffs Iron Company Process for making pig iron
US5876679A (en) * 1997-04-08 1999-03-02 Dorr-Oliver, Inc. Fluid bed reactor
US6224649B1 (en) 1998-07-06 2001-05-01 Hylsa, S.A. De C.V. Method and apparatus for reducing iron-oxides-particles having a broad range of sizes
US6132489A (en) * 1998-07-06 2000-10-17 Hylsa, S.A. De C.V. Method and apparatus for reducing iron-oxides-particles having a broad range of sizes
WO2010028459A1 (en) * 2008-09-15 2010-03-18 Austpac Resources N.L. Direct reduction
NL2030295B1 (en) 2021-12-24 2023-06-30 Renewable Iron Fuel Tech B V A method for producing iron fuel.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900246A (en) * 1953-01-14 1959-08-18 Hydrocarbon Research Inc Iron oxide reduction
US3288590A (en) * 1963-07-22 1966-11-29 Hydrocarbon Research Inc Continuous oxide reduction process
FR1406651A (fr) * 1964-05-27 1965-07-23 Azote Office Nat Ind Procédé de réduction directe des oxydes de fer et lits fluidisés
US3374087A (en) * 1965-11-10 1968-03-19 Exxon Research Engineering Co Production of iron
US3364011A (en) * 1966-02-23 1968-01-16 Exxon Research Engineering Co Process for the production of iron by the direct reduction of iron oxide ore
US3984229A (en) * 1970-04-20 1976-10-05 Boliden Aktiebolag Method for producing coarse powder, hardened iron oxide material from finely divided raw material substantially consisting of hematite and/or magnetite

Also Published As

Publication number Publication date
NL7608725A (nl) 1977-02-08
GB1549296A (en) 1979-08-01
FR2320351A1 (fr) 1977-03-04
MX144756A (es) 1981-11-23
FR2320351B1 (it) 1978-05-12
US4082545A (en) 1978-04-04
BE844853A (fr) 1976-12-01
DE2633691C2 (de) 1984-09-06
AR212026A1 (es) 1978-04-28
DE2633691A1 (de) 1977-03-03
NO762672L (it) 1977-02-08

Similar Documents

Publication Publication Date Title
IT1041142B (it) Perfezionamento al processo di riduzione diretta id minerali di ferro in reattor a letto fluido
BR7405874D0 (pt) Processo para reducao de minerio de ferro
IT1174657B (it) Procedimento per produzzo palline di ferro metallizzate
IT8022190A0 (it) Processo per la preparazione di un ossido di ferro micaceo.
BR8400824A (pt) Processo para a preparacao de oxido de ferro micaceo
IT1013498B (it) Procedimento per la riduzione di minerali di ferro
BR7503018A (pt) Instalacao para a reducao direta de minerios de ferro
IT1021795B (it) Processo per la riduzione gassosa di minerali metallici
BR7401118D0 (pt) Processo para a reducao direta de minerios de ferro
BR8005785A (pt) Processo para a reducao direta de oxido de ferro
IT8347950A0 (it) Vestiti procedimento perfezionato per laproduzione di nastri di acciaio ri-
IT1078346B (it) Formo a tino per la riduzione diretta di minerali di ferro
IT1079691B (it) Perfezionamento nei procedimento di produzione di acciai al silicio per impieghi magnetici
IT1104843B (it) Procedimento per la pellettizzazione di minerali di ferro per uso metallurgico
AR209615A1 (es) Metodo de reduccion de mineral de hierro
IT944444B (it) Processo per la riduzione di minerali di ferro
IT1031684B (it) Processo per la preparazione di solfato di ferro ii eptaidrato dotato di scorrevolezza
BR7100891D0 (pt) Processo para a reducao controlada de minerios de oxido de ferro miqueliferos
BE790447A (fr) Agents anticorrosion
IT1194749B (it) Processo metallurgico di trattamento di minerali silico-alluminosi-alcalini particolarmente minerali leucitici
IT1041816B (it) Procedimento per la riduzione diretta di ferro
IT1090862B (it) Procedimento per la produzione di spugna di ferro
BR7503016A (pt) Instalacao para a reducao direta de minerios de ferro
IT1063403B (it) Processo per la produzione di gas atti alla riduzione di minerali ossidici in particolare minerali di ferro
JPS5246348A (en) Steel pipe finish bonding positioner