Electrode system for glass melting furnaces
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United States of America Patent
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Issued Date -
Dec 29, 2005
app pub date -
Jun 17, 2005
filing date -
Jun 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An electrode system for glass melting furnaces with a melting tank comprises at least one electrode holder (9) installed above the melt surface for inserting electrodes (7) from above through the melt surface (20). A connection device (27) for connection of the coaxial electricity and water supplies between the electrode holder (9) and the electrode (7) is located between the electrode holder and the electrode, whereby the electrode holder (9) has a coolant supply (24) for a coolant, which extends into the electrode (7). In order to simplify compatibility, flexibility and the ability to retrofit and convert electrode holders and electrodes, and to reduce the costs of the electrode system specified above: a) the connection device (27) has a first robust, easily releaseable, threaded connection (8a) with a coaxial male thread (28a) for connection to the electrode holder (9) and a second robust, easily releaseable threaded connection (8b) with a coaxial female thread (31) for connection of the electrode (7), and that b) the coolant supply (24) consists of a tube and an annular gap (26) surrounding the tube, both of which are led through the threaded connections (8a, 8b) and through the connection device (27).
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