[go: up one dir, main page]

SE410654B - Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt - Google Patents

Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt

Info

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
Application number
SE7802240A
Other languages
English (en)
Other versions
SE7802240L (sv
Inventor
S-E Stenkvist
Original Assignee
Asea Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Asea Ab filed Critical Asea Ab
Priority to SE7802240A priority Critical patent/SE410654B/sv
Priority to DE19792905553 priority patent/DE2905553A1/de
Priority to FR7904832A priority patent/FR2418433A1/fr
Priority to GB7906869A priority patent/GB2017463B/en
Priority to US06/015,587 priority patent/US4228314A/en
Priority to JP2150579A priority patent/JPS54126612A/ja
Publication of SE7802240L publication Critical patent/SE7802240L/sv
Publication of SE410654B publication Critical patent/SE410654B/sv

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)

Description

"'.>

Claims (5)

5 Anordnirgen enligt ovan kan varieras på mångahanda sätt inom ramen för nedan- .vaozzuo-7* 4 Vid 16 är visad en utsugniflësöPPflï-flë för PT-'Wšssa-Vëaser' Bottenplattan 11 skall vara så. anordnad, att den ej utgör elektrisk kontakt dels med ugnssvepet 2, dels med delar av \1611Si11f°¿1'ï118en Vid- sidan av stamp' ; masseskiktet 8 och tegeln 10. 7 n, stående patentlnrav. PATENTKRAV
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)
SE7802240A 1978-02-28 1978-02-28 Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt SE410654B (sv)

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
GB7906869A GB2017463B (en) 1978-02-28 1979-02-27 Dc arc furnace
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

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)

* Cited by examiner, † Cited by third party
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
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
SE431792B (sv) * 1981-06-09 1984-02-27 Asea Ab Sett att driva en likstroms-ljusbagsugn
IT1177539B (it) * 1984-02-02 1987-08-26 Italimpianti Perfezionamento nei forni elettronici ad arco di corrente continua
EP0124490B1 (en) * 1983-03-31 1987-10-21 ITALIMPIANTI Società Italiana Impianti p.a. 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
US10234206B2 (en) 2014-11-05 2019-03-19 Daido Steel Co., Ltd. Electric arc furnace
US9903653B2 (en) * 2014-11-05 2018-02-27 Daido Steel Co., Ltd. Melting furnace
US10215494B2 (en) 2014-11-05 2019-02-26 Daido Steel Co., Ltd. Method of operating electric arc furnace

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1304350A (en) * 1919-05-20 Electric furnace
DE219575C (sv) *
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 1985-10-28 Nipkti Cherna Metalurgia Sett att framstella stal medelst likstrom och ugn for genomforande av settet

Also Published As

Publication number Publication date
GB2017463B (en) 1982-05-26
FR2418433A1 (fr) 1979-09-21
JPS6128914B2 (sv) 1986-07-03
DE2905553C2 (sv) 1989-10-19
GB2017463A (en) 1979-10-03
DE2905553A1 (de) 1979-09-06
JPS54126612A (en) 1979-10-02
FR2418433B1 (sv) 1984-04-13
US4228314A (en) 1980-10-14
SE7802240L (sv) 1979-08-29

Similar Documents

Publication Publication Date Title
SE410654B (sv) Likstromsljusbagsugn med minst en katodiskt ansluten elektrod och minst en bottnkontakt
ES429008A1 (es) Procedimiento para la fabricacion de metales mediante la electrolisis en fusion con electrodos bipolares indesgasta- bles y horno de elementos multiples para su realizacion.
SE8400367L (sv) Likstroms-ljusbagsugn
RU92004404A (ru) Электродуговая печь постоянного тока
GB1059767A (en) An electrode for magnetohydrodynamic devices
TR26434A (tr) DüZ AKIMI ELEKTRIK ARK OCAGI ANOD.
BG30480A3 (en) Furnace equipment with direct electrical heating based on resistance principle, especially for silicid of carbon obtaining
ATE21606T1 (de) Elektrode fuer lichtbogenoefen.
ATE44638T1 (de) Ofengefaess fuer einen gleichstrom-lichtbogenofen.
ES285693A1 (es) Dispositivo de entrada de corriente a cátodos en hornos
Varentsov et al. Fibrous Carbon-Graphite Materials as New Electrodes for Recovering Metals From Dilute Solutions. I.--Unwoven Carbon-Graphite Fibrous Materials
SE411685B (sv) Likstromsmatad ljusbagsugn
RU2010112494A (ru) Регулирование шунтирующего тока в многополярной восстановительной ячейке для получения легких металлов
JPS5790663A (en) Corona discharge device
GB1206604A (en) Cell for the prodcution of aluminium by fusion electrolysis and method of operating the cell
SU560859A1 (ru) Шихта дл изготовлени керамического материала
SU594400A1 (ru) Подина дуговой электропечи
JPS57178146A (en) Detector for gaseous component
US786859A (en) Method of heating carbon articles.
SU128544A1 (ru) Способ активизации электрических дуг непрерывных электродов руднотермических печей
SU910541A1 (ru) Стекло дл спаивани
DE908886C (de) Gas- oder dampfgefuelltes elektrisches Entladungsgefaess
SU113058A1 (ru) Способ электродуговой плавки металлов и сплавов и электрод дл его осуществлени
GB152145A (en) Improvements relating to electric furnaces
Stenkvist Direct Current Arc Furnace Hearth

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7802240-7

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7802240-7

Format of ref document f/p: F