AT300866B - Process for producing steel by reducing and smelting iron ore - Google Patents

Process for producing steel by reducing and smelting iron ore

Info

Publication number
AT300866B
AT300866B AT277870A AT277870A AT300866B AT 300866 B AT300866 B AT 300866B AT 277870 A AT277870 A AT 277870A AT 277870 A AT277870 A AT 277870A AT 300866 B AT300866 B AT 300866B
Authority
AT
Austria
Prior art keywords
reducing
iron ore
producing steel
smelting iron
smelting
Prior art date
Application number
AT277870A
Other languages
German (de)
Original Assignee
Skf Svenska Kullagerfab Ab
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 Skf Svenska Kullagerfab Ab filed Critical Skf Svenska Kullagerfab Ab
Application granted granted Critical
Publication of AT300866B publication Critical patent/AT300866B/en

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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • 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
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C2007/0093—Duplex process; Two stage processes
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
AT277870A 1969-03-26 1970-03-25 Process for producing steel by reducing and smelting iron ore AT300866B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE426769A SE329861B (en) 1969-03-26 1969-03-26

Publications (1)

Publication Number Publication Date
AT300866B true AT300866B (en) 1972-08-10

Family

ID=20263827

Family Applications (1)

Application Number Title Priority Date Filing Date
AT277870A AT300866B (en) 1969-03-26 1970-03-25 Process for producing steel by reducing and smelting iron ore

Country Status (17)

Country Link
JP (1) JPS4838053B1 (en)
AT (1) AT300866B (en)
BE (1) BE748011A (en)
BG (1) BG19194A3 (en)
BR (1) BR7017727D0 (en)
CH (1) CH550251A (en)
DK (1) DK126008B (en)
ES (1) ES377986A1 (en)
FI (1) FI49629C (en)
FR (1) FR2035911B1 (en)
GB (1) GB1311290A (en)
LU (1) LU60603A1 (en)
NL (1) NL146537B (en)
NO (1) NO124731B (en)
PL (1) PL80644B1 (en)
SE (1) SE329861B (en)
ZA (1) ZA701878B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8300288A (en) * 1983-01-26 1984-08-16 Hengelmolen Eng OVEN FOR MELTING METALS.
DE102006056672A1 (en) 2006-11-30 2008-06-05 Sms Demag Ag Method and apparatus for stainless steel production without electrical energy supply based on pig iron
DE102006056671A1 (en) 2006-11-30 2008-06-05 Sms Demag Ag Method and apparatus for stainless steel production without electrical energy supply on the basis of pig iron pretreated in a DDD plant
CN114480771A (en) * 2022-02-11 2022-05-13 中钢设备有限公司 Integrated iron making device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT232020B (en) * 1961-08-02 1964-02-25 Voest Ag Method and device for the production of liquid iron by reducing iron oxide ore
FR1466981A (en) * 1966-02-03 1967-01-20 Voest Ag Method and device for manufacturing steel and their various applications

Also Published As

Publication number Publication date
DE2014339A1 (en) 1970-10-29
FI49629B (en) 1975-04-30
DK126008B (en) 1973-05-28
DE2014339B2 (en) 1973-02-01
FI49629C (en) 1975-08-11
ZA701878B (en) 1971-04-28
SE329861B (en) 1970-10-26
BE748011A (en) 1970-08-31
NO124731B (en) 1972-05-29
FR2035911B1 (en) 1975-01-10
PL80644B1 (en) 1975-08-30
BG19194A3 (en) 1975-04-30
JPS4838053B1 (en) 1973-11-15
CH550251A (en) 1974-06-14
LU60603A1 (en) 1970-05-26
FR2035911A1 (en) 1970-12-24
BR7017727D0 (en) 1973-02-22
ES377986A1 (en) 1973-01-01
NL146537B (en) 1975-07-15
NL7004314A (en) 1970-09-29
GB1311290A (en) 1973-03-28

Similar Documents

Publication Publication Date Title
AT317948B (en) Process for the production of green pellets from iron ore
CH556394A (en) PROCESS FOR SURFACE HARDENING OF STEELS AND SINTER HARD METALS.
AT304452B (en) Process for processing titanium iron ore
AT310893B (en) Process for strengthening the surface of workpieces made of iron and steel
AT303278B (en) Method of repairing cast iron molds
AT322599B (en) PROCESS FOR THE TWO-STAGE SURFACE HARDENING OF WORKPIECES MADE OF IRON AND STEEL ALLOYS
AT337224B (en) METHOD AND DEVICE FOR THE REDUCTION OF CLASSIFIED ORES, IN PARTICULAR IRON ORES
AT300866B (en) Process for producing steel by reducing and smelting iron ore
AT313941B (en) Method and device for reducing iron ores
YU34017B (en) Process for the separation of ferric iron from solutions obtained in ore leaching
AT232020B (en) Method and device for the production of liquid iron by reducing iron oxide ore
AT237000B (en) Process for the production of alloy steel
AT320884B (en) Process for refining and casting steel
AT305860B (en) Process for sintering, in particular dolomite and magnesite, and shaft furnace for carrying out this process
AT315881B (en) Process for reducing iron ores or the like. in the production of pig iron in the blast furnace
AT322595B (en) METHOD FOR REFINING FOLDERED IRON AND IRON ALLOYS
AT325645B (en) METHOD OF PRODUCING STEEL AND IRON ALLOYS
AT320707B (en) Process for strengthening the surfaces of workpieces made of iron and steel
AT304987B (en) Process for the surface treatment of iron and steel
AT292760B (en) Process for the reduction of molten rich iron ore
AT321055B (en) Process for the phosphating of iron and steel
CH473222A (en) Process for the production of iron or steel
AT290244B (en) Process for dip phosphating of iron and steel
AT329286B (en) METHOD FOR MAKING TITANIUM IRON ORE USABLE
ATA333074A (en) PROCESSES FOR THE PHOSPHATION OF IRON AND STEEL

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee