Electrode assembly for glass tank furnaces

Details Electrode assembly for glass tank furnaces Electrode assembly for glass tank furnaces

1995-12-11

1997-02-04

Hoang, Tu

Industrial electric heating furnaces

Glass furnace device

Joule effect heating

373 37, 373100, C03B 5027

Patent

active

056006691

ABSTRACT:
An electrode assembly for glass tank furnaces comprises a rod electrode inserted in a cylindrical electrode holder, through which it can be advanced. Along at least part of its length the said electrode holder is fitted with a device for forced cooling and is installed in an electrode block in the furnace. In order to dispense with and in order to operate the electrode holder at a constant temperature the holder is inserted with the bottom face below a filling level determined by the design of the furnace, and provided with a seal between it and the electrode above the filling level. Preferably the electrode holder has an outer tube and an inner tube, which create an annular gap between them for a cooling medium, whereby the inner tube protrudes out of the upper end of the outer tube and a sealing unit is provided between the inner tube and the electrode.

REFERENCES:
patent: 3417187 (1968-12-01), Blumenfeld et al.
patent: 3777040 (1973-12-01), Gell et al.
patent: 4468779 (1984-08-01), Gillman
patent: 4897853 (1990-01-01), Argent
patent: 5125002 (1992-06-01), Steitz
patent: 5151918 (1992-09-01), Argent et al.

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