Industrial electric heating furnaces – Glass furnace device – Joule effect heating
Patent
1986-12-05
1988-11-01
Envall, Jr., Roy N.
Industrial electric heating furnaces
Glass furnace device
Joule effect heating
373 30, 373 33, 373 41, C03B 5027
Patent
active
047824972
ABSTRACT:
An electric melting furnace for glassifying high-radioactive waste characterized in that, in a furnace for melting glass containing platinum-group elements which has an outlet of glass at the bottom part of a melting tank, the bottom of the furnace surrounding the outlet has an inclination of more than 30.degree. and not more than 70.degree. with respect to the horizontal plane toward the cullet, and the distance l.sub.1 between a surface-inside opening part of the outlet and bottom ends of at least a pair of electrodes (3a, 3b) for supplying most of power required for glass melting is a half or more, but not exceeding, of the distance (l.sub.2) between the electrodes (3a, 3b).
REFERENCES:
patent: 4624003 (1986-11-01), Eirich
Endo Noboru
Igarashi Hiroshi
Inada Katsumi
Nakamura Toshio
Sasaki Noriaki
Doryoku Kaunenryo Kaihatsu Jigyodan
Envall Jr. Roy N.
Nippon Denki Garasu Kabushiki Kaisha
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