FR2409311A1 - Procede carbothermique pour produire du fer spongieux - Google Patents

Procede carbothermique pour produire du fer spongieux

Info

Publication number
FR2409311A1
FR2409311A1 FR7832649A FR7832649A FR2409311A1 FR 2409311 A1 FR2409311 A1 FR 2409311A1 FR 7832649 A FR7832649 A FR 7832649A FR 7832649 A FR7832649 A FR 7832649A FR 2409311 A1 FR2409311 A1 FR 2409311A1
Authority
FR
France
Prior art keywords
spongious
iron
zone
producing
constant
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
FR7832649A
Other languages
English (en)
Other versions
FR2409311B1 (fr
Inventor
Franco Colautti
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.)
Kinglor-Metor SpA
Original Assignee
Kinglor-Metor SpA
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 Kinglor-Metor SpA filed Critical Kinglor-Metor SpA
Publication of FR2409311A1 publication Critical patent/FR2409311A1/fr
Application granted granted Critical
Publication of FR2409311B1 publication Critical patent/FR2409311B1/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
    • C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE CARBOTHERMIQUE DE FABRICATION DE FER SPONGIEUX. ON UTILISE DANS LE FOUR UNE PREMIERE ZONE DE PRECHAUFFAGE DE SECTION CONSTANTE OU LA VITESSE CONSTANTE DE DESCENTE DE LA CHARGE EST CONSTANTE, UNE SECONDE ET UNE TROISIEME ZONE DE CHAUFFAGE QUI ONT UNE SECTION PROGRESSIVEMENT CROISSANTE ET OU LA VITESSE DE DESCENTE DE LA CHARGE DIMINUE PROGRESSIVEMENT PUIS UNE ZONE DE REFROIDISSEMENT DU FER SPONGIEUX, LA PREMIERE ZONE DE CHAUFFAGE ETANT CHAUFFEE PAR DES GAZ DE COMBUSTION ET LA SECONDE ET LA TROISIEME ZONE ETANT CHAUFFEES PAR DES ANNEAUX DE BRULEURS. L'INVENTION S'APPLIQUE A LA METALLURGIE.
FR7832649A 1977-11-22 1978-11-20 Procede carbothermique pour produire du fer spongieux Granted FR2409311A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT83525/77A IT1097724B (it) 1977-11-22 1977-11-22 Perfezionamenti al procedimento carbotermico per l'ottenimento di spugna di ferro e procedimento carbotermico cosi' perfezionato

Publications (2)

Publication Number Publication Date
FR2409311A1 true FR2409311A1 (fr) 1979-06-15
FR2409311B1 FR2409311B1 (fr) 1984-12-14

Family

ID=11322823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7832649A Granted FR2409311A1 (fr) 1977-11-22 1978-11-20 Procede carbothermique pour produire du fer spongieux

Country Status (14)

Country Link
US (1) US4242125A (fr)
AT (1) AT369035B (fr)
AU (1) AU523769B2 (fr)
CH (1) CH639423A5 (fr)
DE (1) DE2848821A1 (fr)
ES (1) ES475055A1 (fr)
FR (1) FR2409311A1 (fr)
GB (1) GB2009244B (fr)
IN (1) IN149799B (fr)
IT (1) IT1097724B (fr)
PT (1) PT68811A (fr)
SE (1) SE7810840L (fr)
YU (2) YU39430B (fr)
ZA (1) ZA785759B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494984A (en) * 1980-03-17 1985-01-22 Albert Calderon Method for direct reduction of iron oxide utilizing induction heating
AT367798B (de) * 1980-08-08 1982-07-26 Voest Alpine Ag Verfahren zur direktreduktion von eisentraegern sowie vorrichtung zur durchfuehrung des verfahrens
US4389283A (en) * 1980-10-29 1983-06-21 Albert Calderon Method for making coke via induction heating
CN1300343C (zh) * 2005-08-31 2007-02-14 吉林省杉松岗矿业集团复森海绵铁有限公司 一种海绵铁的生产方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1176740A (en) * 1968-03-07 1970-01-07 Tsnii Chernoj Metallurg A Method of and a Shaft Furnace for Making Spongy Metal.
US3895782A (en) * 1971-08-11 1975-07-22 Servicios De Ingenieria Proyec Procedures and facilities employed for eliminating oxygen in oxides
ES394143A1 (es) * 1971-08-11 1974-11-16 Servicios De Ingenieria Proyec Perfeccionamientos en procedimientos y dispositivos emplea-dos para la eliminacion del oxigeno presente en los oxidos.
DE2246156A1 (de) * 1971-09-20 1973-03-29 Sakai Chemical Industry Co Verfahren zur reduktion von titanhaltigem eisenerz
GB1406118A (en) * 1973-10-02 1975-09-17 Goikhrakh A I Baikov J I Vertical continuous kiln for producing high-purity metal oxides and other compounds
GB1510992A (en) * 1974-06-11 1978-05-17 Kinglor Metor Spa Carbothermic process of a type using external heating to obtain sponge iron and the carbothermic process thus improved

Also Published As

Publication number Publication date
DE2848821A1 (de) 1979-05-23
YU173382A (en) 1983-12-31
GB2009244A (en) 1979-06-13
YU39430B (en) 1984-12-31
YU272578A (en) 1982-10-31
ZA785759B (en) 1979-09-26
AU523769B2 (en) 1982-08-12
US4242125A (en) 1980-12-30
IN149799B (fr) 1982-04-24
AT369035B (de) 1982-11-25
YU42786B (en) 1988-12-31
ATA766978A (de) 1982-04-15
ES475055A1 (es) 1979-12-01
PT68811A (fr) 1978-12-01
GB2009244B (en) 1982-12-15
FR2409311B1 (fr) 1984-12-14
SE7810840L (sv) 1979-05-23
IT1097724B (it) 1985-08-31
AU4093578A (en) 1980-05-08
CH639423A5 (it) 1983-11-15

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Legal Events

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