Electrode heater

Details Electrode heater Electrode heater

1985-12-19

1987-06-09

Envall, Jr., Roy N.

Industrial electric heating furnaces

Glass furnace device

Joule effect heating

C03B 5027

Patent

active

046726276

ABSTRACT:
A method and apparatus for heating the portion of an electrode protruding from a glass melting furnace is disclosed. One embodiment of the invention describes an electrical resistance heated device. A second embodiment discloses a gas and air fired infrared heater device. Both devices allow the electrode to be heated to an elevated temperature without oxidation of the electrode thereby allowing the electrode to be forced into the furnace without damage to the furnace or the electrode.

REFERENCES:
patent: 1542716 (1925-06-01), Payne
patent: 2122241 (1938-06-01), Arnold
patent: 2635388 (1953-04-01), Peyches et al.
patent: 2798892 (1957-07-01), Penberthy
patent: 3151201 (1964-09-01), Kilian et al.
patent: 3156753 (1964-11-01), Gruber

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