FI49629B - - Google Patents
Info
- Publication number
- FI49629B FI49629B FI86070A FI86070A FI49629B FI 49629 B FI49629 B FI 49629B FI 86070 A FI86070 A FI 86070A FI 86070 A FI86070 A FI 86070A FI 49629 B FI49629 B FI 49629B
- Authority
- FI
- Finland
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
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- 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 And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
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 true FI49629B (fi) | 1975-04-30 |
| FI49629C 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)
| 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)
| 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 |
-
1969
- 1969-03-26 SE SE426769A patent/SE329861B/xx unknown
-
1970
- 1970-03-19 ZA ZA701878A patent/ZA701878B/xx unknown
- 1970-03-23 PL PL1970139574A patent/PL80644B1/pl unknown
- 1970-03-24 GB GB41471A patent/GB1311290A/en not_active Expired
- 1970-03-24 DK DK149570A patent/DK126008B/da not_active IP Right Cessation
- 1970-03-24 NO NO1119/70A patent/NO124731B/no unknown
- 1970-03-24 BR BR21772770A patent/BR7017727D0/pt unknown
- 1970-03-25 AT AT277870A patent/AT300866B/de not_active IP Right Cessation
- 1970-03-25 ES ES377986A patent/ES377986A1/es not_active Expired
- 1970-03-25 FR FR7010824A patent/FR2035911B1/fr not_active Expired
- 1970-03-25 NL NL7004314A patent/NL146537B/xx not_active IP Right Cessation
- 1970-03-25 FI FI86070A patent/FI49629C/fi active
- 1970-03-26 BG BG1428270A patent/BG19194A3/xx unknown
- 1970-03-26 LU LU60603D patent/LU60603A1/xx unknown
- 1970-03-26 CH CH466870A patent/CH550251A/xx not_active IP Right Cessation
- 1970-03-26 BE BE748011D patent/BE748011A/xx not_active IP Right Cessation
- 1970-03-26 JP JP2489970A patent/JPS4838053B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7004314A (fi) | 1970-09-29 |
| FI49629C (fi) | 1975-08-11 |
| FR2035911B1 (fi) | 1975-01-10 |
| DE2014339A1 (de) | 1970-10-29 |
| JPS4838053B1 (fi) | 1973-11-15 |
| DK126008B (da) | 1973-05-28 |
| SE329861B (fi) | 1970-10-26 |
| NO124731B (fi) | 1972-05-29 |
| PL80644B1 (fi) | 1975-08-30 |
| CH550251A (de) | 1974-06-14 |
| BR7017727D0 (pt) | 1973-02-22 |
| NL146537B (nl) | 1975-07-15 |
| BE748011A (fr) | 1970-08-31 |
| BG19194A3 (fi) | 1975-04-30 |
| DE2014339B2 (de) | 1973-02-01 |
| ES377986A1 (es) | 1973-01-01 |
| ZA701878B (en) | 1971-04-28 |
| AT300866B (de) | 1972-08-10 |
| FR2035911A1 (fi) | 1970-12-24 |
| LU60603A1 (fi) | 1970-05-26 |
| GB1311290A (en) | 1973-03-28 |