SE329861B - - Google Patents

Info

Publication number
SE329861B
SE329861B SE426769A SE426769A SE329861B SE 329861 B SE329861 B SE 329861B SE 426769 A SE426769 A SE 426769A SE 426769 A SE426769 A SE 426769A SE 329861 B SE329861 B SE 329861B
Authority
SE
Sweden
Application number
SE426769A
Inventor
M Tiberg
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
Priority to SE426769A priority Critical patent/SE329861B/xx
Priority to ZA701878A priority patent/ZA701878B/en
Priority to PL1970139574A priority patent/PL80644B1/pl
Priority to DK149570A priority patent/DK126008B/en
Priority to GB41471A priority patent/GB1311290A/en
Priority to NO1119/70A priority patent/NO124731B/no
Priority to BR21772770A priority patent/BR7017727D0/en
Priority to FI86070A priority patent/FI49629C/en
Priority to ES377986A priority patent/ES377986A1/en
Priority to AT277870A priority patent/AT300866B/en
Priority to NL7004314A priority patent/NL146537B/en
Priority to FR7010824A priority patent/FR2035911B1/fr
Priority to DE19702014339 priority patent/DE2014339C/en
Priority to JP2489970A priority patent/JPS4838053B1/ja
Priority to SU1472009A priority patent/SU372846A3/ru
Priority to CH466870A priority patent/CH550251A/en
Priority to BG1428270A priority patent/BG19194A3/xx
Priority to LU60603D priority patent/LU60603A1/xx
Priority to BE748011D priority patent/BE748011A/en
Publication of SE329861B publication Critical patent/SE329861B/xx
Priority to US273225A priority patent/US3887360A/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)
SE426769A 1969-03-26 1969-03-26 SE329861B (en)

Priority Applications (20)

Application Number Priority Date Filing Date Title
SE426769A SE329861B (en) 1969-03-26 1969-03-26
ZA701878A ZA701878B (en) 1969-03-26 1970-03-19 Improvements in methods and furnaces for steel manufacture by direct reduction and melting of iron ore
PL1970139574A PL80644B1 (en) 1969-03-26 1970-03-23
DK149570A DK126008B (en) 1969-03-26 1970-03-24 Process for the production of steel by reduction and melting of iron ore in two steps and a furnace for carrying out the process.
GB41471A GB1311290A (en) 1969-03-26 1970-03-24 Methods and furnaces for steel manufacture by direct reduction- and melting of iron ore
NO1119/70A NO124731B (en) 1969-03-26 1970-03-24
BR21772770A BR7017727D0 (en) 1969-03-26 1970-03-24 PROCESS AND OVEN FOR STEEL PRODUCTION BY DIRECT REDUCTION AND CONCENTRATED OR PELLETIZED IRON MINING FOUNDATION
AT277870A AT300866B (en) 1969-03-26 1970-03-25 Process for producing steel by reducing and smelting iron ore
ES377986A ES377986A1 (en) 1969-03-26 1970-03-25 Methods and furnaces for steel manufacture by direct reduction- and melting of iron ore
FI86070A FI49629C (en) 1969-03-26 1970-03-25 A method of making steel by reducing and smelting iron ore in two stages.
NL7004314A NL146537B (en) 1969-03-26 1970-03-25 PROCESS FOR THE PREPARATION OF A STEEL MELT.
FR7010824A FR2035911B1 (en) 1969-03-26 1970-03-25
DE19702014339 DE2014339C (en) 1969-03-26 1970-03-25 Process for the production of steel by reducing and melting iron ore and scrap in a tandem furnace
SU1472009A SU372846A3 (en) 1969-03-26 1970-03-26
JP2489970A JPS4838053B1 (en) 1969-03-26 1970-03-26
CH466870A CH550251A (en) 1969-03-26 1970-03-26 METHOD FOR PRODUCING STEEL.
BG1428270A BG19194A3 (en) 1969-03-26 1970-03-26
LU60603D LU60603A1 (en) 1969-03-26 1970-03-26
BE748011D BE748011A (en) 1969-03-26 1970-03-26 IMPROVEMENTS IN THE MANUFACTURING OF STEEL.
US273225A US3887360A (en) 1969-03-26 1972-07-19 Methods and furnaces for steel manufacture by direct reduction and melting of iron ore

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
SE329861B true SE329861B (en) 1970-10-26

Family

ID=20263827

Family Applications (1)

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

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.
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
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
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
BE748011A (en) 1970-08-31
CH550251A (en) 1974-06-14
FR2035911A1 (en) 1970-12-24
ES377986A1 (en) 1973-01-01
JPS4838053B1 (en) 1973-11-15
FR2035911B1 (en) 1975-01-10
DE2014339B2 (en) 1973-02-01
LU60603A1 (en) 1970-05-26
NL7004314A (en) 1970-09-29
NL146537B (en) 1975-07-15
BG19194A3 (en) 1975-04-30
BR7017727D0 (en) 1973-02-22
PL80644B1 (en) 1975-08-30
FI49629B (en) 1975-04-30
AT300866B (en) 1972-08-10
DK126008B (en) 1973-05-28
DE2014339A1 (en) 1970-10-29
NO124731B (en) 1972-05-29
FI49629C (en) 1975-08-11
GB1311290A (en) 1973-03-28
ZA701878B (en) 1971-04-28

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