Electric arc furnace electrodes

Details Electric arc furnace electrodes Electric arc furnace electrodes

H - Electricity

05

B

307/24

H05B 7/08 (2006.01) H05B 7/101 (2006.01) H05B 7/12 (2006.01)

Patent

CA 1199358

ABSTRACT This invention relates to a water-cooled arc furance electrode comprising a double-walled tubular metal column the two walls being electrically insulated from one another and defining an annular channel between them. The inner wall is electrically connected to a conductive screw-threaded member from which graphite sections depend, and this inner tube defines a central channel constituting a water flow path connected in series with the annular channel via a "spider" in the aforesaid member. In accordance with this design the volume of water contained within the electrode column approaches the maximum, ensuring adequate cooling during electrode changes which hitherto has presented problems in other designs of this component.

428358

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