IT7969493A0 - Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continua - Google Patents
Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continuaInfo
- Publication number
- IT7969493A0 IT7969493A0 IT7969493A IT6949379A IT7969493A0 IT 7969493 A0 IT7969493 A0 IT 7969493A0 IT 7969493 A IT7969493 A IT 7969493A IT 6949379 A IT6949379 A IT 6949379A IT 7969493 A0 IT7969493 A0 IT 7969493A0
- Authority
- IT
- Italy
- Prior art keywords
- crucible
- direct current
- electrical connection
- electric arc
- current electric
- Prior art date
Links
- 238000010891 electric arc Methods 0.000 title 1
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
- C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
-
- 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
- H05B7/06—Electrodes
-
- 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)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
- Discharge Heating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7813408A SE415394B (sv) | 1978-12-29 | 1978-12-29 | Bottenkontakt vid likstromsljusbagsugn |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7969493A0 true IT7969493A0 (it) | 1979-12-28 |
IT1119642B IT1119642B (it) | 1986-03-10 |
Family
ID=20336717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT69493/79A IT1119642B (it) | 1978-12-29 | 1979-12-28 | Connessione elettrica al crogiolo per forni elettrici ad arco a corrente continua |
Country Status (5)
Country | Link |
---|---|
US (1) | US4277638A (it) |
JP (1) | JPS5592881A (it) |
GB (1) | GB2042309B (it) |
IT (1) | IT1119642B (it) |
SE (1) | SE415394B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE431792B (sv) * | 1981-06-09 | 1984-02-27 | Asea Ab | Sett att driva en likstroms-ljusbagsugn |
DE3466919D1 (en) * | 1983-03-31 | 1987-11-26 | Italimpianti | Improved conductive bottom for direct current electric arc furnaces |
IT1177539B (it) * | 1984-02-02 | 1987-08-26 | Italimpianti | Perfezionamento nei forni elettronici ad arco di corrente continua |
DE3413745C2 (de) * | 1983-04-21 | 1994-03-03 | Asea Ab | Gleichstromlichtbogenofen |
JPS604787A (ja) * | 1983-06-22 | 1985-01-11 | 石川島播磨重工業株式会社 | 直流ア−ク炉の炉底電極 |
US4601041A (en) * | 1984-05-04 | 1986-07-15 | Mannesmann Aktiengesellschaft | Electrode mounting in DC arc furnace vessels |
SE450857B (sv) * | 1985-02-21 | 1987-08-03 | Asea Ab | Forfarande for uppbyggnad av ljusbagslikstromsugnar eller -skenkar |
DE3535690A1 (de) * | 1985-10-05 | 1987-04-09 | Gutehoffnungshuette Man | Kontaktelektrodenanordnung fuer gleichstrom-lichtbogen- oder widerstands-schmelzofen |
DE3535692A1 (de) * | 1985-10-05 | 1987-04-09 | Gutehoffnungshuette Man | Kontaktelektroden-anordnung fuer gleichstrom-lichtbogen- oder widerstands-schmelzoefen |
NO158618C (no) * | 1985-10-09 | 1988-10-12 | Elkem As | Sammensatt keramisk materiale og metallurgisk smelteovn omfattende en foring bestaaende av det sammensatte keramiskemateriale. |
US5173920A (en) * | 1989-08-21 | 1992-12-22 | Asea Brown Boveri Ltd. | Direct-current electric-arc furnace |
US5052018A (en) * | 1989-10-12 | 1991-09-24 | Deutsche Voest-Alpine Industrieanlagen Gmbh | Anode for a direct current arc furnace |
WO1991014911A1 (en) * | 1990-03-19 | 1991-10-03 | Kawasaki Steel Corporation | Dc electric furnace for melting metal |
DE4022720A1 (de) * | 1990-07-17 | 1992-01-23 | Flohe Gmbh & Co | Untergefaess eines gleichstromlichtbogenofens |
KR100245481B1 (ko) * | 1991-03-05 | 2000-03-02 | 간지 도미타 | 직류 아크로의 로바닥의 구조 |
US5199043A (en) * | 1991-08-09 | 1993-03-30 | Deutsche Voest-Alpine Industrieanlagenbau Gmbh | Lining for a direct-current electric arc furnace |
DE4129756C2 (de) * | 1991-09-04 | 1995-06-29 | Mannesmann Ag | Metallurgisches Gefäß für eine Gleichstromlichtbogeneinrichtung |
US5255284A (en) * | 1991-11-04 | 1993-10-19 | Deutsch Voest-Alpine Industrieanlagenbau Gmbh | Anode for an electic arc furnace utilizing electrode segments |
US5280495A (en) * | 1992-02-14 | 1994-01-18 | Ajax Magnethermic Corporation | Furnace refractory extraction system and method |
AT401303B (de) * | 1993-09-06 | 1996-08-26 | Voest Alpine Ind Anlagen | Verfahren zum herstellen einer bodenanode für ein metallurgisches gefäss |
GB9704153D0 (en) * | 1997-02-28 | 1997-04-16 | Abru Aluminium Ltd | A combined stepladder and stool |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1304350A (en) * | 1919-05-20 | Electric furnace | ||
US1763248A (en) * | 1928-06-19 | 1930-06-10 | Pittsburgh Res Corp | Electric furnace method |
US1965080A (en) * | 1932-07-19 | 1934-07-03 | Frank R Kemmer | Apparatus for heat exchange |
BE484042A (it) * | 1947-09-08 | |||
JPS5440957B2 (it) * | 1972-04-12 | 1979-12-06 |
-
1978
- 1978-12-29 SE SE7813408A patent/SE415394B/sv not_active IP Right Cessation
-
1979
- 1979-12-21 GB GB7944032A patent/GB2042309B/en not_active Expired
- 1979-12-26 JP JP16844579A patent/JPS5592881A/ja active Granted
- 1979-12-28 US US06/107,764 patent/US4277638A/en not_active Expired - Lifetime
- 1979-12-28 IT IT69493/79A patent/IT1119642B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS5592881A (en) | 1980-07-14 |
IT1119642B (it) | 1986-03-10 |
GB2042309A (en) | 1980-09-17 |
US4277638A (en) | 1981-07-07 |
JPS6349152B2 (it) | 1988-10-03 |
GB2042309B (en) | 1983-01-12 |
SE7813408L (sv) | 1980-06-30 |
SE415394B (sv) | 1980-09-29 |
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