Industrial electric heating furnaces – Glass furnace device – Joule effect heating
Patent
1981-05-14
1987-01-20
Envall, Jr., Roy N.
Industrial electric heating furnaces
Glass furnace device
Joule effect heating
373 41, C03B 5027
Patent
active
046384910
ABSTRACT:
Disclosed is a method for protecting the heating electrodes of glass melting furnaces by applying a DC potential to various electrodes of the furnace. The DC current is applied to the heating electrodes through counter electrodes or anodes. The method of this invention not only reduces the corrosion of the heating electrodes but also reduces the corrosion of the counter electrodes.
REFERENCES:
patent: 2855450 (1958-10-01), Eden
Envall Jr. Roy N.
Hudgens Ronald C.
Owens-Corning Fiberglas Corporation
Pacella Patrick P.
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