DK126008B - Fremgangsmåde ved fremstilling af stål ved reduktion og smeltning af jernmalm i to trin samt ovn til udøvelse af fremgangsmåden. - Google Patents

Fremgangsmåde ved fremstilling af stål ved reduktion og smeltning af jernmalm i to trin samt ovn til udøvelse af fremgangsmåden.

Info

Publication number
DK126008B
DK126008B DK149570A DK149570A DK126008B DK 126008 B DK126008 B DK 126008B DK 149570 A DK149570 A DK 149570A DK 149570 A DK149570 A DK 149570A DK 126008 B DK126008 B DK 126008B
Authority
DK
Denmark
Prior art keywords
furnace
melting
steel
reduction
carrying
Prior art date
Application number
DK149570A
Other languages
Danish (da)
English (en)
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
Publication of DK126008B publication Critical patent/DK126008B/da

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)
DK149570A 1969-03-26 1970-03-24 Fremgangsmåde ved fremstilling af stål ved reduktion og smeltning af jernmalm i to trin samt ovn til udøvelse af fremgangsmåden. DK126008B (da)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DK126008B true DK126008B (da) 1973-05-28

Family

ID=20263827

Family Applications (1)

Application Number Title Priority Date Filing Date
DK149570A DK126008B (da) 1969-03-26 1970-03-24 Fremgangsmåde ved fremstilling af stål ved reduktion og smeltning af jernmalm i to trin samt ovn til udøvelse af fremgangsmåden.

Country Status (17)

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

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
ZA701878B (en) 1971-04-28
BR7017727D0 (pt) 1973-02-22
NL7004314A (nl) 1970-09-29
BG19194A3 (bg) 1975-04-30
ES377986A1 (es) 1973-01-01
BE748011A (fr) 1970-08-31
NO124731B (nl) 1972-05-29
LU60603A1 (nl) 1970-05-26
AT300866B (de) 1972-08-10
PL80644B1 (nl) 1975-08-30
SE329861B (nl) 1970-10-26
FR2035911A1 (nl) 1970-12-24
JPS4838053B1 (nl) 1973-11-15
GB1311290A (en) 1973-03-28
FR2035911B1 (nl) 1975-01-10
FI49629B (nl) 1975-04-30
DE2014339A1 (de) 1970-10-29
CH550251A (de) 1974-06-14
FI49629C (fi) 1975-08-11
NL146537B (nl) 1975-07-15
DE2014339B2 (de) 1973-02-01

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Legal Events

Date Code Title Description
PBP Patent lapsed