BR7608606A - Processo para producao de aco a partir de oxidos de ferro;a conversao de oxidos de ferro em carbureto de ferro;a conversao de carbureto de ferro em aco;no forno de oxigenio basico;a fabricacao de aco a partir de carbureto de ferro no forno de oxigenio basico;e a concentracao de minerios de ferro nao-magneticos de baixo teor - Google Patents

Processo para producao de aco a partir de oxidos de ferro;a conversao de oxidos de ferro em carbureto de ferro;a conversao de carbureto de ferro em aco;no forno de oxigenio basico;a fabricacao de aco a partir de carbureto de ferro no forno de oxigenio basico;e a concentracao de minerios de ferro nao-magneticos de baixo teor

Info

Publication number
BR7608606A
BR7608606A BR7608606A BR7608606A BR7608606A BR 7608606 A BR7608606 A BR 7608606A BR 7608606 A BR7608606 A BR 7608606A BR 7608606 A BR7608606 A BR 7608606A BR 7608606 A BR7608606 A BR 7608606A
Authority
BR
Brazil
Prior art keywords
iron
conversion
steel
basic oxygen
oxides
Prior art date
Application number
BR7608606A
Other languages
English (en)
Inventor
Frank M Stephens
Original Assignee
Hazen Research
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 Hazen Research filed Critical Hazen Research
Priority to BR7608606A priority Critical patent/BR7608606A/pt
Publication of BR7608606A publication Critical patent/BR7608606A/pt

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/006—Starting from ores containing non ferrous metallic oxides
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B15/00—Other processes for the manufacture of iron from iron compounds
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/30—Regulating or controlling the blowing
    • C21C5/32—Blowing from above
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/56—Manufacture of steel by other methods
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • 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
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Furnace Details (AREA)
  • Manufacture Of Iron (AREA)
  • Powder Metallurgy (AREA)
  • Compounds Of Iron (AREA)
BR7608606A 1975-10-14 1976-12-22 Processo para producao de aco a partir de oxidos de ferro;a conversao de oxidos de ferro em carbureto de ferro;a conversao de carbureto de ferro em aco;no forno de oxigenio basico;a fabricacao de aco a partir de carbureto de ferro no forno de oxigenio basico;e a concentracao de minerios de ferro nao-magneticos de baixo teor BR7608606A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR7608606A BR7608606A (pt) 1975-10-14 1976-12-22 Processo para producao de aco a partir de oxidos de ferro;a conversao de oxidos de ferro em carbureto de ferro;a conversao de carbureto de ferro em aco;no forno de oxigenio basico;a fabricacao de aco a partir de carbureto de ferro no forno de oxigenio basico;e a concentracao de minerios de ferro nao-magneticos de baixo teor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/622,101 US4053301A (en) 1975-10-14 1975-10-14 Process for the direct production of steel
BR7608606A BR7608606A (pt) 1975-10-14 1976-12-22 Processo para producao de aco a partir de oxidos de ferro;a conversao de oxidos de ferro em carbureto de ferro;a conversao de carbureto de ferro em aco;no forno de oxigenio basico;a fabricacao de aco a partir de carbureto de ferro no forno de oxigenio basico;e a concentracao de minerios de ferro nao-magneticos de baixo teor

Publications (1)

Publication Number Publication Date
BR7608606A true BR7608606A (pt) 1978-07-18

Family

ID=41667474

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7608606A BR7608606A (pt) 1975-10-14 1976-12-22 Processo para producao de aco a partir de oxidos de ferro;a conversao de oxidos de ferro em carbureto de ferro;a conversao de carbureto de ferro em aco;no forno de oxigenio basico;a fabricacao de aco a partir de carbureto de ferro no forno de oxigenio basico;e a concentracao de minerios de ferro nao-magneticos de baixo teor

Country Status (23)

Country Link
US (2) US4053301A (pt)
JP (1) JPS6053084B2 (pt)
AT (2) AT372702B (pt)
AU (3) AU511757B2 (pt)
BE (1) BE859543A (pt)
BR (1) BR7608606A (pt)
CS (1) CS225806B1 (pt)
DD (2) DD139726A5 (pt)
DE (1) DE2700427A1 (pt)
DK (1) DK153956C (pt)
ES (1) ES462924A1 (pt)
FR (2) FR2375327A1 (pt)
HU (1) HU177214B (pt)
IE (3) IE46157B1 (pt)
IN (1) IN147340B (pt)
IT (1) IT1087734B (pt)
MX (2) MX5693E (pt)
NL (1) NL7710893A (pt)
NO (1) NO147344C (pt)
OA (1) OA05782A (pt)
PL (1) PL116930B1 (pt)
SE (2) SE438000B (pt)
ZA (1) ZA776003B (pt)

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Also Published As

Publication number Publication date
IE46157B1 (en) 1983-03-09
JPS6053084B2 (ja) 1985-11-22
FR2375327A1 (fr) 1978-07-21
ZA776003B (en) 1979-05-30
AU6083180A (en) 1980-11-06
AU511757B2 (en) 1980-09-04
IE46156B1 (en) 1983-03-09
IN147340B (pt) 1980-02-02
AU1940976A (en) 1978-05-18
NO147344B (no) 1982-12-13
USRE32247E (en) 1986-09-16
BE859543A (fr) 1978-02-01
MX5584E (es) 1983-10-28
FR2431540B1 (pt) 1981-11-20
CS225806B1 (en) 1984-02-13
AT372702B (de) 1983-11-10
AU4737079A (en) 1979-09-27
ATA546481A (de) 1983-03-15
MX5693E (es) 1983-12-13
AT372703B (de) 1983-11-10
PL116930B1 (en) 1981-07-31
OA05782A (fr) 1981-05-31
IE46155B1 (en) 1983-03-09
ES462924A1 (es) 1978-10-01
SE7614490L (sv) 1978-06-23
IE822206L (en) 1979-03-29
IT1087734B (it) 1985-06-04
DK153956B (da) 1988-09-26
DK153956C (da) 1989-02-13
ATA709977A (de) 1983-03-15
NO147344C (no) 1983-03-23
SE7810769L (sv) 1979-02-19
FR2375327B1 (pt) 1981-06-19
US4053301A (en) 1977-10-11
DD139726A5 (de) 1980-01-16
HU177214B (en) 1981-08-28
IE46155L (en) 1979-03-29
AU545314B2 (en) 1985-07-11
DE2700427A1 (de) 1978-07-13
PL201383A1 (pl) 1979-05-07
JPS5362717A (en) 1978-06-05
SE438000B (sv) 1985-03-25
DK449177A (da) 1979-04-11
NL7710893A (nl) 1979-04-06
FR2431540A1 (fr) 1980-02-15
SE410277B (sv) 1979-10-08
NO773452L (no) 1979-04-11
DD134649A5 (de) 1979-03-14

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