SE410654B - Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt - Google Patents
Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontaktInfo
- Publication number
- SE410654B SE410654B SE7802240A SE7802240A SE410654B SE 410654 B SE410654 B SE 410654B SE 7802240 A SE7802240 A SE 7802240A SE 7802240 A SE7802240 A SE 7802240A SE 410654 B SE410654 B SE 410654B
- Authority
- SE
- Sweden
- Prior art keywords
- oven
- mass
- plate
- furnace
- layer
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
-
- 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
Description
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Claims (5)
1. Liksträmsljusbågsugzx med minst en katodiskt ansluten, elektrod och minst en bottenkontakt, k ä. n n e t e c k n a. d därav, att bottenkontakten utgöres av en ugnsfatets botten bildande atampmassa (8), vilken innehåller metalliska element (7), utspridda. längs ugnens botten, vilken bottenkontakt är uppburen av elektriskt ledande tegel (10), såsom koltegel, under vilka i sin tur är anordnad minst en metallisk platta (11) eller annat metall- element med väsentlig utsträckning längs botten, och avsedd att anslutas till likströmskällans positiva pol, varvid plattan 'air isolerad från ugns- fatet vid sidan av de elektriskt ledande teglen och från fatets svep
2. Ugn enligt patentkrav 1, k ä. n n e t e c k n a d därav, att stampmassef lagret i ugnsbotten innehåller genomgående spikar eller stänger i stål eller anrzan metall eller legering. '
3. Ugn enligt patenfkrav 1 eller 2, k ä n n e t e c k n a a därav, attpmellan stampmasseskiktet och de elektriskt ledande teglen 'a'.r anordnat ett skikt av grafitmassa (9) eller annan ledande massa, vilket är avsett att åstadkomma. elektrisk kontakt med spikar (7) eller stänger eller andra metall- element, vilka genomgår stampmasseskiktet eller finnes vid dess undre del.
4. Ugn enligt patentkrav 1, k ä. n n e t e c k n a d därav, att plattan är luft- och/eller vaztenkyid.
5. Ugn enligt patentkrav 1 eller 4, k ä. n n e t e c k n a d därav, att hela ugnsbottens underdel eller större delen av denna utgöres av plattan (11). AN FÖRDA PUBLIKATIONER: Sverige 326 243 (HOSB 7/20) US 1 244 415 (13-9), 1 287 849 (13-9), 1 299 110 (13-9)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7802240A SE410654B (sv) | 1978-02-28 | 1978-02-28 | Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt |
DE19792905553 DE2905553A1 (de) | 1978-02-28 | 1979-02-14 | Gleichstrom-lichtbogenofen |
FR7904832A FR2418433A1 (fr) | 1978-02-28 | 1979-02-26 | Connexion de sole dans un four a arc a courant continu |
US06/015,587 US4228314A (en) | 1978-02-28 | 1979-02-27 | DC Arc furnace hearth |
JP2150579A JPS54126612A (en) | 1978-02-28 | 1979-02-27 | Direct current arc furnace |
GB7906869A GB2017463B (en) | 1978-02-28 | 1979-02-27 | Dc arc furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7802240A SE410654B (sv) | 1978-02-28 | 1978-02-28 | Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7802240L SE7802240L (sv) | 1979-08-29 |
SE410654B true SE410654B (sv) | 1979-10-22 |
Family
ID=20334123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7802240A SE410654B (sv) | 1978-02-28 | 1978-02-28 | Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt |
Country Status (6)
Country | Link |
---|---|
US (1) | US4228314A (sv) |
JP (1) | JPS54126612A (sv) |
DE (1) | DE2905553A1 (sv) |
FR (1) | FR2418433A1 (sv) |
GB (1) | GB2017463B (sv) |
SE (1) | SE410654B (sv) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2950890A1 (de) * | 1978-12-29 | 1980-07-17 | Asea Ab | Gleichstrom-lichtbogenofen |
DE3007879A1 (de) * | 1979-03-12 | 1980-09-25 | Asea Ab | Mit gleichstrom gespeister lichtbogenofen |
SE423275B (sv) * | 1979-06-26 | 1982-04-26 | Asea Ab | Bottenkontakt vid likstromsljusbagsugn |
DE3027465C1 (de) * | 1980-07-19 | 1982-03-18 | Korf-Stahl Ag, 7570 Baden-Baden | Verfahren und Vorrichtung zum Kuehlen von Gefaessteilen eines metallurgischen Ofens,insbesondere eines Lichtbogenofens |
SE431792B (sv) * | 1981-06-09 | 1984-02-27 | Asea Ab | Sett att driva en likstroms-ljusbagsugn |
JPS59109769A (ja) * | 1981-06-09 | 1984-06-25 | アセア・アクチ−ボラグ | 直流ア−ク炉の操業方法と炉床接続装置 |
IT1177539B (it) * | 1984-02-02 | 1987-08-26 | Italimpianti | Perfezionamento nei forni elettronici ad arco di corrente continua |
DE3466919D1 (en) * | 1983-03-31 | 1987-11-26 | Italimpianti | Improved conductive bottom for direct current electric arc furnaces |
SE452542B (sv) * | 1983-04-21 | 1987-11-30 | Asea Ab | Likstroms-ljusbagsugn |
DE3413745C2 (de) * | 1983-04-21 | 1994-03-03 | Asea Ab | Gleichstromlichtbogenofen |
DE3316366C2 (de) * | 1983-05-05 | 1985-10-17 | Mannesmann AG, 4000 Düsseldorf | Ofengefäß für einen Gleichstrom-Lichtbogenofen |
SE449132B (sv) * | 1984-01-25 | 1987-04-06 | Asea Ab | Likstromsljusbagsugn eller skenk for vermning |
DE3409255A1 (de) * | 1984-03-14 | 1985-12-12 | Didier-Werke Ag, 6200 Wiesbaden | Herdboden, besonders fuer gleichstrom-lichtbogenoefen |
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 |
DE3534750A1 (de) * | 1985-09-28 | 1987-04-16 | Krupp Gmbh | Boden eines elektrisch beheizten schmelzofens, insbesondere eines gleichstromofens |
DE3535690A1 (de) * | 1985-10-05 | 1987-04-09 | Gutehoffnungshuette Man | Kontaktelektrodenanordnung fuer gleichstrom-lichtbogen- oder widerstands-schmelzofen |
IT1197142B (it) * | 1986-09-02 | 1988-11-25 | Snam Progetti | Forno a bacino per la metallurgia dei metalli non ferrosi |
US5173920A (en) * | 1989-08-21 | 1992-12-22 | Asea Brown Boveri Ltd. | Direct-current electric-arc furnace |
CH680086A5 (sv) * | 1990-05-09 | 1992-06-15 | Asea Brown Boveri | |
DE4022720A1 (de) * | 1990-07-17 | 1992-01-23 | Flohe Gmbh & Co | Untergefaess eines gleichstromlichtbogenofens |
JPH0346192U (sv) * | 1990-09-14 | 1991-04-26 | ||
CH682280A5 (sv) * | 1991-06-14 | 1993-08-13 | Asea Brown Boveri | |
DE4130397A1 (de) * | 1991-09-12 | 1993-03-18 | Kortec Ag | Gleichstromofen mit einer herdelektrode, herdelektrode und elektrodenblock sowie betriebsverfahren fuer diesen ofen |
US6355904B1 (en) | 1996-06-07 | 2002-03-12 | Science Applications International Corporation | Method and system for high-temperature waste treatment |
DE19925554A1 (de) * | 1999-06-04 | 2000-12-07 | Sms Demag Ag | Bodenelektrode für metallurgische Schmelzgefäße |
WO2011013151A1 (en) * | 2009-07-30 | 2011-02-03 | Paolo Appolonia | Advanced technology for iron-krom alloys production and related plant |
RU2572949C2 (ru) * | 2014-05-13 | 2016-01-20 | Открытое акционерное общество "Сибирское специальное конструкторское бюро электротермического оборудования" (ОАО "СКБ Сибэлектротерм") | Дуговая печь постоянного тока |
US10215494B2 (en) | 2014-11-05 | 2019-02-26 | Daido Steel Co., Ltd. | Method of operating electric arc furnace |
US9903653B2 (en) * | 2014-11-05 | 2018-02-27 | Daido Steel Co., Ltd. | Melting furnace |
US10234206B2 (en) | 2014-11-05 | 2019-03-19 | Daido Steel Co., Ltd. | Electric arc furnace |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE219575C (sv) * | ||||
US1304350A (en) * | 1919-05-20 | Electric furnace | ||
US941419A (en) * | 1908-11-04 | 1909-11-30 | Charles Albert Keller | Electric furnace. |
GB190914858A (en) * | 1909-06-26 | 1910-01-20 | Charles Bingham | Improvements in or relating to Electric Furnace Electrodes. |
FR500955A (fr) * | 1919-03-05 | 1920-03-30 | William E Moore | Perfectionnements aux fours électriques |
NL296464A (sv) * | 1962-08-10 | |||
SE376634C (sv) * | 1972-05-02 | 1985-08-27 | Nipkti Cherna Metalurgia | Sett att framstella stal medelst likstrom och ugn for genomforande av settet |
-
1978
- 1978-02-28 SE SE7802240A patent/SE410654B/sv not_active IP Right Cessation
-
1979
- 1979-02-14 DE DE19792905553 patent/DE2905553A1/de active Granted
- 1979-02-26 FR FR7904832A patent/FR2418433A1/fr active Granted
- 1979-02-27 US US06/015,587 patent/US4228314A/en not_active Expired - Lifetime
- 1979-02-27 JP JP2150579A patent/JPS54126612A/ja active Granted
- 1979-02-27 GB GB7906869A patent/GB2017463B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2017463A (en) | 1979-10-03 |
DE2905553A1 (de) | 1979-09-06 |
FR2418433A1 (fr) | 1979-09-21 |
JPS54126612A (en) | 1979-10-02 |
DE2905553C2 (sv) | 1989-10-19 |
US4228314A (en) | 1980-10-14 |
FR2418433B1 (sv) | 1984-04-13 |
JPS6128914B2 (sv) | 1986-07-03 |
GB2017463B (en) | 1982-05-26 |
SE7802240L (sv) | 1979-08-29 |
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