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High temp. furnace with protective atmosphere or vacuum - has uncooled heating coil serving simultaneously as radiator and inductor
High temp. furnace with protective atmosphere or vacuum - has uncooled heating coil serving simultaneously as radiator and inductor
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机译:高温具有保护性气氛或真空的熔炉-具有未冷却的加热盘管,同时用作散热器和感应器
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摘要
The furnace is intended for temperatures up to 3000 deg.C. It has a frequency generator, or converter, and a heating coil in a furnace chamber, which surrounds the substance to be heated. The gap between the coil and heated substance is free of solid dielectric. The multi-layer, uncooled graphite coil (8) serves simultaneously as a heating inductor and radiator. A carbon, or graphite, high-ohmic, thermally insulating layer (2, 3) surrounds the coil. Preferably the insulating layer is of graphtie foils and carbon, or graphite felt.
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