发明授权
US3914527A Lining for zinc pot induction heater 失效
锌锅感应加热器内衬

Lining for zinc pot induction heater
摘要:
A lining for a zinc pot induction heater of the type having an iron core, electrical windings thereon, and a channel for molten metal surrounding the windings, comprises a cast-in-place refractory mass sandwiched between a fused silica bushing surrounding the electrical winding and a fused silica prefabricated channel assembly surrounding the bushing but spaced therefrom.
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