FI49629C - Menetelmä teräksen valmistamiseksi pelkistämällä ja sulattamalla rauta malmia kahdessa vaiheessa. - Google Patents

Menetelmä teräksen valmistamiseksi pelkistämällä ja sulattamalla rauta malmia kahdessa vaiheessa.

Info

Publication number
FI49629C
FI49629C FI86070A FI86070A FI49629C FI 49629 C FI49629 C FI 49629C FI 86070 A FI86070 A FI 86070A FI 86070 A FI86070 A FI 86070A FI 49629 C FI49629 C FI 49629C
Authority
FI
Finland
Prior art keywords
stages
reducing
iron ore
making steel
smelting iron
Prior art date
Application number
FI86070A
Other languages
English (en)
Swedish (sv)
Other versions
FI49629B (fi
Inventor
Magnus Gustav Georg 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
Publication of FI49629B publication Critical patent/FI49629B/fi
Application granted granted Critical
Publication of FI49629C publication Critical patent/FI49629C/fi

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
FI86070A 1969-03-26 1970-03-25 Menetelmä teräksen valmistamiseksi pelkistämällä ja sulattamalla rauta malmia kahdessa vaiheessa. FI49629C (fi)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI49629B FI49629B (fi) 1975-04-30
FI49629C true FI49629C (fi) 1975-08-11

Family

ID=20263827

Family Applications (1)

Application Number Title Priority Date Filing Date
FI86070A FI49629C (fi) 1969-03-26 1970-03-25 Menetelmä teräksen valmistamiseksi pelkistämällä ja sulattamalla rauta malmia kahdessa vaiheessa.

Country Status (17)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8300288A (nl) * 1983-01-26 1984-08-16 Hengelmolen Eng Oven voor het smelten van metalen.
DE102006056672A1 (de) 2006-11-30 2008-06-05 Sms Demag Ag Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von Roheisen
DE102006056671A1 (de) 2006-11-30 2008-06-05 Sms Demag Ag Verfahren und Vorrichtung zur Rostfreistahlerzeugung ohne elektrische Energiezufuhr auf der Basis von in einer DDD-Anlage vorbehandeltem Roheisen
CN114480771A (zh) * 2022-02-11 2022-05-13 中钢设备有限公司 一种一体式炼铁装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT232020B (de) * 1961-08-02 1964-02-25 Voest Ag Verfahren und Vorrichtung zur Gewinnung von flüssigem Eisen durch Reduktion von Eisenoxyderz
FR1466981A (fr) * 1966-02-03 1967-01-20 Voest Ag Procédé et dispositif de fabrication d'acier et leurs diverses applications

Also Published As

Publication number Publication date
LU60603A1 (fi) 1970-05-26
BR7017727D0 (pt) 1973-02-22
DE2014339B2 (de) 1973-02-01
AT300866B (de) 1972-08-10
NO124731B (fi) 1972-05-29
GB1311290A (en) 1973-03-28
DK126008B (da) 1973-05-28
FR2035911A1 (fi) 1970-12-24
SE329861B (fi) 1970-10-26
BG19194A3 (fi) 1975-04-30
JPS4838053B1 (fi) 1973-11-15
DE2014339A1 (de) 1970-10-29
PL80644B1 (fi) 1975-08-30
ES377986A1 (es) 1973-01-01
ZA701878B (en) 1971-04-28
NL7004314A (fi) 1970-09-29
FR2035911B1 (fi) 1975-01-10
CH550251A (de) 1974-06-14
BE748011A (fr) 1970-08-31
FI49629B (fi) 1975-04-30
NL146537B (nl) 1975-07-15

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