Nippon Denki Garasu Kabushiki Kaisha

Doryoku Kaunenryo Kaihatsu Jigyodan

Hirokazu Takeuchi

Hiroshi Igarashi

Noriaki Sasaki

Noboru Endo

Katsumi Inada

Toshio Nakamura

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).

Growing community of inventors

Kusatsu, Japan

Hirokazu Takeuchi