Fluid-cooled holder for an electrode tip

Details Fluid-cooled holder for an electrode tip Fluid-cooled holder for an electrode tip

1979-10-12

1981-09-22

Envall, Jr., Roy N.

H05B 706

Patent

active

042911907

ABSTRACT:
A fluid-cooled holder for the tip of an electrode of an electric arc smelting furnace, having a cylindrical holding portion which can be secured to an electrode support arm, a metal cooling system which is secured to the holding portion and which carries a screw-threaded portion for screwing on the electrode tip, and also having a tubular heat screen which is disposed around the cooling system at a spacing and which comprises a metal tube (11, 11a) which is electrically insulated with respect to the current-carrying cooling system (3, 3a) and which can be sufficiently cooled, by way of a refractory substance (17, 17a) between the cooling system and the metal tube, for the temperature of the metal tube to be kept to a value below the softening temperature of the material of the metal tube, when the holder is used in an electric arc smelting furnace.

REFERENCES:
patent: 3392227 (1968-07-01), Ostberg
patent: 4121042 (1978-10-01), Prenn
patent: 4145564 (1979-03-01), Andrew

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