EP0071517A1 - Dispositif de connexion et de support d'électrode composite refroidie pour four électrique à arcs - Google Patents

Dispositif de connexion et de support d'électrode composite refroidie pour four électrique à arcs Download PDF

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Publication number
EP0071517A1
EP0071517A1 EP82401353A EP82401353A EP0071517A1 EP 0071517 A1 EP0071517 A1 EP 0071517A1 EP 82401353 A EP82401353 A EP 82401353A EP 82401353 A EP82401353 A EP 82401353A EP 0071517 A1 EP0071517 A1 EP 0071517A1
Authority
EP
European Patent Office
Prior art keywords
metal column
electrode
bus
electric
arc furnace
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.)
Withdrawn
Application number
EP82401353A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jean Davene
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clesid SA
Original Assignee
Clesid SA
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 Clesid SA filed Critical Clesid SA
Publication of EP0071517A1 publication Critical patent/EP0071517A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present invention relates to a device intended for electrical connection, for hydraulic connection, and for mechanical support of a cooled composite electrode for an electric arc furnace intended for example to equip a steelworks.
  • connection and support device does not have these drawbacks. It is characterized in that it comprises a lateral head adjoining to. the upper metal column of the electrode and allowing its attachment to the end of an electrode-carrying arm, in that said metal column is provided at its upper part with at least one member allowing its connection to the bus-tubes of 'electric current and coolant supply, and in that it is provided with means for hydraulically connecting the hollow inner part. of each bus tube respectively at the inlet and at the outlet of the coolant circulation circuit passing inside said metal column.
  • FIG. 1 schematically represents a composite electrode according to the invention, conventionally comprising a lower body 1 in the form of a graphite column, and an upper body 2 in the form of a metal column, hollow and cooled, by circulation of water.
  • the upper part of the electrode has a head.
  • lateral 3 also metallic and welded to the metallic column 2, this lateral head being intended to be bolted to the electrode-carrying arm 4, of which only the end has been shown in the drawing.
  • the metal column 2 is extended at its upper part by two appendages (5,6) hollow and of rectangular section, forming an electrode tail and therefore intended for. both at connection column 2 to the bus bars 7 for supplying the electric current and the cooling water, a single bus bar 7 having been shown in the drawing, and to the supply as well as to the return from. cooling water in and out. of the metal column 2.
  • each bus bar 7 has one. flattened end 70 called lug.
  • Each terminal such as 70 is pierced longitudinally with a channel 71 of sufficient section to allow the flow of cooling water supplied by the inner channel of one of the two bars to pass.
  • the electrical contact between the terminal 70 and the corresponding appendix 5 is made by clamping one on the other at. using eight tie rods 8 and two clamping plates 9.
  • the continuity of the hydraulic circuit is ensured for each lug-appendage pair by a tube, such as the tube 10 shown, connecting the upstream end of the channel 50 passing through the corresponding appendix 5, to the downstream end of the channel 71 passing through the lug. 70.
  • FIG. 3 shows, purely for description, the conventional circuit in itself, for cooling the metal column 2.
  • the circuit traversed by the cooling water is indicated by arrows.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
EP82401353A 1981-07-24 1982-07-21 Dispositif de connexion et de support d'électrode composite refroidie pour four électrique à arcs Withdrawn EP0071517A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8114395 1981-07-24
FR8114395A FR2510338A1 (fr) 1981-07-24 1981-07-24 Dispositif de connexion et de support d'electrode composite refroidie pour four electrique a arcs

Publications (1)

Publication Number Publication Date
EP0071517A1 true EP0071517A1 (fr) 1983-02-09

Family

ID=9260824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82401353A Withdrawn EP0071517A1 (fr) 1981-07-24 1982-07-21 Dispositif de connexion et de support d'électrode composite refroidie pour four électrique à arcs

Country Status (4)

Country Link
EP (1) EP0071517A1 (enExample)
JP (1) JPS5826491A (enExample)
ES (1) ES513338A0 (enExample)
FR (1) FR2510338A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122120A3 (en) * 1983-04-07 1985-04-24 British Steel Corporation Improvements in or relating to electric arc furnaces
EP0167485A1 (en) * 1984-06-25 1986-01-08 Arc Technologies Systems, Ltd. Assembly for the automatic cooling water connection to water cooled combination electrodes for electric arc furnaces
NO343580B1 (no) * 2005-10-10 2019-04-08 Fai Production Kontaktplate for elektrometallurgisk smelteovnelektrode og fremgangsmåte for å produsere denne.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2147061B1 (es) * 1996-10-31 2001-04-01 Fundacion Inasmet Antorcha de plasma perfeccionada con electrodo refrigerado de recambio rapido.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959457A (enExample) * 1900-01-01
DE319442C (de) * 1920-03-13 Stickstoffduenger Ag F Kopfkontaktfassung fuer Ofenelektroden
US2775811A (en) * 1955-05-19 1957-01-01 James G Wilson Methods for forming contact surfaces
US2857545A (en) * 1952-08-13 1958-10-21 Elektrokemisk As Arrangement of the vertical contact rods of selfbaking anodes in furnace for electrolytic recovery of aluminium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB959457A (enExample) * 1900-01-01
DE319442C (de) * 1920-03-13 Stickstoffduenger Ag F Kopfkontaktfassung fuer Ofenelektroden
US2857545A (en) * 1952-08-13 1958-10-21 Elektrokemisk As Arrangement of the vertical contact rods of selfbaking anodes in furnace for electrolytic recovery of aluminium
US2775811A (en) * 1955-05-19 1957-01-01 James G Wilson Methods for forming contact surfaces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122120A3 (en) * 1983-04-07 1985-04-24 British Steel Corporation Improvements in or relating to electric arc furnaces
US4601042A (en) * 1983-04-07 1986-07-15 British Steel Corporation Electric arc furnaces
EP0167485A1 (en) * 1984-06-25 1986-01-08 Arc Technologies Systems, Ltd. Assembly for the automatic cooling water connection to water cooled combination electrodes for electric arc furnaces
NO343580B1 (no) * 2005-10-10 2019-04-08 Fai Production Kontaktplate for elektrometallurgisk smelteovnelektrode og fremgangsmåte for å produsere denne.

Also Published As

Publication number Publication date
ES8305177A1 (es) 1983-03-16
ES513338A0 (es) 1983-03-16
JPS5826491A (ja) 1983-02-16
FR2510338B1 (enExample) 1984-04-06
FR2510338A1 (fr) 1983-01-28

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Effective date: 19830303

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18W Application withdrawn

Withdrawal date: 19840823

RIN1 Information on inventor provided before grant (corrected)

Inventor name: DAVENE, JEAN