SE7501488L - - Google Patents
Info
- Publication number
- SE7501488L SE7501488L SE7501488A SE7501488A SE7501488L SE 7501488 L SE7501488 L SE 7501488L SE 7501488 A SE7501488 A SE 7501488A SE 7501488 A SE7501488 A SE 7501488A SE 7501488 L SE7501488 L SE 7501488L
- Authority
- SE
- Sweden
- Prior art keywords
- furnace
- reduced
- lid
- hermetically sealed
- reduced pressure
- Prior art date
Links
Classifications
-
- 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
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0046—Making spongy iron or liquid steel, by direct processes making metallised agglomerates or iron oxide
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/006—Starting from ores containing non ferrous metallic oxides
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/12—Making spongy iron or liquid steel, by direct processes in electric 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
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc 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
- C21C7/10—Handling in a vacuum
-
- 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
- C21C5/5294—General arrangement or layout of the electric melt shop
-
- 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
- C21C7/0075—Treating in a ladle furnace, e.g. up-/reheating of molten steel within the ladle
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2070174A JPS5333928B2 (de) | 1974-02-21 | 1974-02-21 | |
JP14200074A JPS5169408A (ja) | 1974-12-12 | 1974-12-12 | Genatsujizaikimitsushikiaakuseirenro |
JP49142001A JPS5169418A (en) | 1974-12-12 | 1974-12-12 | Sutenresukono seizoho |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7501488L true SE7501488L (de) | 1975-08-22 |
SE433128B SE433128B (sv) | 1984-05-07 |
Family
ID=27283143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7501488A SE433128B (sv) | 1974-02-21 | 1975-02-11 | Hermetiskt sluten ljusbagsugn |
Country Status (3)
Country | Link |
---|---|
US (1) | US4027095A (de) |
GB (1) | GB1449105A (de) |
SE (1) | SE433128B (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4352189A (en) * | 1977-03-01 | 1982-09-28 | Wooding Corporation | Atmosphere control of slag melting furnace |
US4306726A (en) * | 1980-04-22 | 1981-12-22 | Qit-Fer Et Titane Inc. | Furnace electrode seal assembly |
US5406580A (en) * | 1993-12-23 | 1995-04-11 | Hatch Associates Ltd. | Electrode seal for arc furnaces |
AT403293B (de) * | 1995-01-16 | 1997-12-29 | Kct Tech Gmbh | Verfahren und anlage zum herstellen von legierten stählen |
WO1997032047A1 (en) * | 1996-03-01 | 1997-09-04 | Peter George Dunkel | Hermetically closeable smelting/refining furnace |
US6377605B1 (en) | 2001-03-02 | 2002-04-23 | Hatch Associates Ltd. | Electrode seal for arc furnace |
WO2009032110A1 (en) * | 2007-09-04 | 2009-03-12 | Cardero Resource Corporation | Direct processing of metallic ore concentrates into ferroalloys |
CN108570535A (zh) * | 2018-05-25 | 2018-09-25 | 河北工业职业技术学院 | 一种不锈钢真空条件下吹氮气合金化的实验设备和方法 |
CN115125359B (zh) * | 2021-03-29 | 2024-01-09 | 宝山钢铁股份有限公司 | 一种转底炉金属化球团热装热送返转炉炼钢的方法及系统 |
IT202100030824A1 (it) * | 2021-12-07 | 2023-06-07 | Danieli Off Mecc | Forno elettrico ad arco per la fusione di materiale metallico ed impianto siderurgico comprendente detto forno elettrico ad arco |
WO2024063945A1 (en) * | 2022-09-02 | 2024-03-28 | Desktop Metal, Inc. | Low-cost high-purity vacuum pumps and systems |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2243096A (en) * | 1939-06-29 | 1941-05-27 | Stanford A Hardin | Electrode seal |
LU39783A1 (de) * | 1960-02-26 | |||
DE1254363B (de) * | 1964-12-10 | 1967-11-16 | Elektrometallurgie M B H Ges | Verfahren zur Reduktion von oxydischen Rohstoffen |
US3615348A (en) * | 1968-07-31 | 1971-10-26 | Armco Steel Corp | Stainless steel melting practice |
SE339700B (de) * | 1969-04-23 | 1971-10-18 | Stora Kopparbergs Bergslags Ab | |
US3635699A (en) * | 1969-12-22 | 1972-01-18 | Union Carbide Corp | Method of producing sized particles of low-carbon ferrochromium |
-
1975
- 1975-02-11 SE SE7501488A patent/SE433128B/xx not_active IP Right Cessation
- 1975-02-13 US US05/549,477 patent/US4027095A/en not_active Expired - Lifetime
- 1975-02-13 GB GB612775A patent/GB1449105A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4027095A (en) | 1977-05-31 |
DE2507631B2 (de) | 1976-09-30 |
DE2507631A1 (de) | 1975-09-04 |
SE433128B (sv) | 1984-05-07 |
GB1449105A (en) | 1976-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7501488-6 Effective date: 19920904 Format of ref document f/p: F |