Method and electric furnace for melting vitreous materials
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United States of America Patent
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Apr 11, 2006
Grant Date -
Aug 11, 2005
app pub date -
Apr 8, 2003
filing date -
Apr 11, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for melting vitrifiable materials employs a melting tank for containing a molten bath with an upper surface. The tank has a floor and side walls and channels for discharging molten materials. A crown is situated above the floor and vitrifiable materials are introduced onto the upper surface of the molten bath. A plurality of electrodes having a selected shape and position are situated inside the tank for melting the vitrifiable materials with electric current. The electrodes rest on the floor and extend across the furnace to the opposite wall so as to reduce the head of the molten bath and consequently reduce melting time and energy consumption.
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