FR2148407A1 - Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone - Google Patents

Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone

Info

Publication number
FR2148407A1
FR2148407A1 FR7206728A FR7206728A FR2148407A1 FR 2148407 A1 FR2148407 A1 FR 2148407A1 FR 7206728 A FR7206728 A FR 7206728A FR 7206728 A FR7206728 A FR 7206728A FR 2148407 A1 FR2148407 A1 FR 2148407A1
Authority
FR
France
Prior art keywords
heating zone
reducing gas
deoxidising
ores
injection
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
FR7206728A
Other languages
English (en)
French (fr)
Other versions
FR2148407B1 (OSRAM
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.)
SERVIOIOS INGENIERIA
Original Assignee
SERVIOIOS INGENIERIA
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 SERVIOIOS INGENIERIA filed Critical SERVIOIOS INGENIERIA
Publication of FR2148407A1 publication Critical patent/FR2148407A1/fr
Application granted granted Critical
Publication of FR2148407B1 publication Critical patent/FR2148407B1/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
    • C21B13/04Making spongy iron or liquid steel, by direct processes in retorts
    • 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
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00General methods of reducing to metals
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)
FR7206728A 1971-08-11 1972-02-28 Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone Granted FR2148407A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES394143A ES394143A1 (es) 1971-08-11 1971-08-11 Perfeccionamientos en procedimientos y dispositivos emplea-dos para la eliminacion del oxigeno presente en los oxidos.

Publications (2)

Publication Number Publication Date
FR2148407A1 true FR2148407A1 (en) 1973-03-23
FR2148407B1 FR2148407B1 (OSRAM) 1976-07-09

Family

ID=8458992

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7206728A Granted FR2148407A1 (en) 1971-08-11 1972-02-28 Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone

Country Status (9)

Country Link
AU (1) AU4522572A (OSRAM)
BE (1) BE787056A (OSRAM)
BR (1) BR7205471D0 (OSRAM)
DE (1) DE2156323A1 (OSRAM)
ES (1) ES394143A1 (OSRAM)
FR (1) FR2148407A1 (OSRAM)
IT (1) IT952078B (OSRAM)
NL (1) NL7211003A (OSRAM)
ZA (1) ZA725542B (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053301A (en) * 1975-10-14 1977-10-11 Hazen Research, Inc. Process for the direct production of steel
IT1097724B (it) * 1977-11-22 1985-08-31 Kinglor Metor Spa Perfezionamenti al procedimento carbotermico per l'ottenimento di spugna di ferro e procedimento carbotermico cosi' perfezionato

Also Published As

Publication number Publication date
AU4522572A (en) 1974-02-07
BR7205471D0 (pt) 1974-04-18
FR2148407B1 (OSRAM) 1976-07-09
BE787056A (fr) 1972-12-01
NL7211003A (OSRAM) 1973-02-13
DE2156323A1 (de) 1973-03-29
IT952078B (it) 1973-07-20
ES394143A1 (es) 1974-11-16
ZA725542B (en) 1973-05-30

Similar Documents

Publication Publication Date Title
ES315686A1 (es) Procedimiento para la reduccion de bolas artificiales de mineral de hierro beneficiado.
ES408739A1 (es) Un procedimiento para la produccion de una mezcla de gas reductor.
ZA755079B (en) Tuyere for the injection of reaction gas
GB1273810A (en) Increased metallization of iron ore from fluidized bed processes
FR2148407A1 (en) Deoxidising ores - in externally heated retort system with injection of reducing gas below heating zone
ES386897A1 (es) Procedimiento para la produccion de negro de humo y aparatopara su aplicacion.
GB1281284A (en) A process for pyrometallurgically treating sulphidic iron ores or iron ore concentrates
ES397118A1 (es) Procedimiento y aparato para la produccion de negro de hu- mo.
GB1247417A (en) Method of blast furnace reduction of iron ores
GB1328333A (en) Preparation of hexamethylenediamine
GB1379980A (en) Pretreatment of caking pit coals to render them suitable for briquetting
GB1338795A (en) Rotary kilns and methods of treating charges in them
FR2049293A5 (en) Reduction of iron ores
SE7505759L (sv) Karbotermiskt forfarande av den typ som nyttjar utvendig vermning for att erhalla jernsvamp
NL7104225A (en) Reduction of iron ores in shaft furnace
FR2083680A1 (en) Reduction of iron ores in shaft furnace
GB1456321A (en) Treatment of an isomerization catalyst
BE794545A (en) Injecting reducing gases into blast furnaces - in a pulsating mode to avoid tuyere blockages by the charge
GB1355696A (en) Blast furnace operation
ES311790A1 (es) Procedimiento de produccion de un material de alimentacion que contiene mena oxida y coque.
GB1323537A (en) Process for directly reducing iron ores in a solid state and under gaseous pressure
FR2223457A1 (en) Roasted metallic oxide ore pellets - made with dosed addition of fuel like coke
FR2145597A1 (en) Metal redn - by mixing with moving molten mass of prod metal
FR2128052A1 (en) Producing metals by mineral segregation - partic for nickel prodn
BE769260A (en) Recovery of iron from slag - obtd during prodn of non-ferrous metal

Legal Events

Date Code Title Description
ST Notification of lapse