Axially movable electrode holder for use in electric steel produ

Details Axially movable electrode holder for use in electric steel produ Axially movable electrode holder for use in electric steel produ

1982-08-26

1984-05-01

Envall, Jr., Roy N.

Industrial electric heating furnaces

Arc furnace device

Electrode

H05B 7101

Patent

active

044465610

ABSTRACT:
An axially movable electrode holder of metal, particularly copper or copper base alloy, for active parts of consumable or slowly consumable material, which are attachable by means a threaded nipple or a similar means. The electrode holder comprises a cooling unit with a supply and a return duct, and has at least partly, preferably its lower region, a protective coating and a contact arrangement on its sheath area by which the electrode holder may be connected to a current supply. The electrode holder further comprises a number of removably mounted electrical and/or mechanical contact moldings of pressure-resistant material extending over a length of the electrode holder which corresponds too at least a part of the length of an allowable tip consumption. The electrode holder, which is intended for use in the electric steel production, is characterized by a high reliability in service, good maneuverability, and good electrical properties.

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