FR2419981B1 - Dispositif et procede de traitement de bains metalliques dans des conditions hors atmosphere avec chauffage par arc electrique et electrodes permanentes - Google Patents
Dispositif et procede de traitement de bains metalliques dans des conditions hors atmosphere avec chauffage par arc electrique et electrodes permanentesInfo
- Publication number
- FR2419981B1 FR2419981B1 FR7822461A FR7822461A FR2419981B1 FR 2419981 B1 FR2419981 B1 FR 2419981B1 FR 7822461 A FR7822461 A FR 7822461A FR 7822461 A FR7822461 A FR 7822461A FR 2419981 B1 FR2419981 B1 FR 2419981B1
- Authority
- FR
- France
- Prior art keywords
- electric arc
- under non
- arc heating
- treating metal
- atmosphere conditions
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/08—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
- C22B9/106—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents the refining being obtained by intimately mixing the molten metal with a molten salt or slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/20—Arc remelting
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
- H05B7/101—Mountings, supports or terminals at head of electrode, i.e. at the end remote from the arc
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Furnace Details (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782811877 DE2811877A1 (de) | 1978-03-18 | 1978-03-18 | Vorrichtung zur behandlung von metallschmelzen unter nichtatmosphaerischen bedingungen und mit lichtbogenbeheizung durch permanentelektroden sowie betriebsverfahren fuer diese vorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2419981A1 FR2419981A1 (fr) | 1979-10-12 |
FR2419981B1 true FR2419981B1 (fr) | 1985-07-12 |
Family
ID=6034820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7822461A Expired FR2419981B1 (fr) | 1978-03-18 | 1978-07-28 | Dispositif et procede de traitement de bains metalliques dans des conditions hors atmosphere avec chauffage par arc electrique et electrodes permanentes |
Country Status (4)
Country | Link |
---|---|
AT (1) | ATA781278A (fr) |
BE (1) | BE871007A (fr) |
DE (1) | DE2811877A1 (fr) |
FR (1) | FR2419981B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2087699B (en) * | 1980-11-17 | 1984-07-18 | Leybold Heraeus Gmbh & Co Kg | Graphite electrode for use in an electric furnace |
DE3144926C2 (de) * | 1980-11-17 | 1987-04-16 | Leybold-Heraeus GmbH, 5000 Köln | Grafitelektrode für den Einsatz in einen Elektrodenhalter eines Elektroofens |
EP0135473A1 (fr) * | 1983-08-13 | 1985-03-27 | Arc Technologies Systems, Ltd. | Assemblage d'électrode pour fours à arc |
DE3601989A1 (de) * | 1986-01-23 | 1987-07-30 | Conradty Nuernberg | Dreiphasiger lichtbogenofen |
DE3722680A1 (de) * | 1987-07-09 | 1989-01-19 | Leybold Ag | Umschmelzofen mit gewichtsabhaengiger steuerung des abschmelzblocks |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB700580A (en) * | 1951-09-04 | 1953-12-02 | William Enoch Moore | Apparatus for controlling electric arc furnace electrodes |
US3240856A (en) * | 1963-06-11 | 1966-03-15 | Mc Graw Edison Co | Electric arc furnace |
US3393264A (en) * | 1964-06-15 | 1968-07-16 | Lectromelt Corp | Electric arc furnaces |
US3501289A (en) * | 1965-06-09 | 1970-03-17 | Finkl & Sons Co | Method and apparatus for adding heat to molten metal under vacuum |
DE1915961C3 (de) * | 1969-03-28 | 1974-07-11 | Schlienger Engineering Co. Inc., San Rafael, Calif. (V.St.A.) | Lichtbogenhofen |
FR2215775A1 (en) * | 1973-01-25 | 1974-08-23 | Standard Messo Duisburg | Vacuum arc heating of metallurgical vessels - in which the worn part of the electrode can be removed without removing and cooling the vacuum chamber cover |
US4121042A (en) * | 1976-09-01 | 1978-10-17 | The Steel Company Of Canada Limited | Composite electrode with non-consumable upper section |
-
1978
- 1978-03-18 DE DE19782811877 patent/DE2811877A1/de active Granted
- 1978-07-28 FR FR7822461A patent/FR2419981B1/fr not_active Expired
- 1978-10-04 BE BE78190902A patent/BE871007A/fr not_active IP Right Cessation
- 1978-10-31 AT AT781278A patent/ATA781278A/de not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ATA781278A (de) | 1993-12-15 |
DE2811877A1 (de) | 1979-10-04 |
DE2811877C2 (fr) | 1988-10-27 |
BE871007A (fr) | 1979-02-01 |
FR2419981A1 (fr) | 1979-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |