| 摘要 |
PURPOSE: A charcoal bobbin for a radiant electric heater is provided to prevent the thermal deformation and abrasion of a heating wire because a bobbin body is formed of yellow soil in a jar shape. CONSTITUTION: A charcoal bobbin for a radiant electric heater comprises a bobbin body(10), a heating wire receiving groove which is spirally formed on the exterior surface of the bobbin body, a coil type heating wire which is wound around the heating wire receiving groove, a heating unit which comprises a reflective plate, and a control unit which controls the heating unit to implement heating. The bobbin body is composed of Kaolin 17 weight%, Mooan clay 17 weight%, sandy soil 21 weight%, Sanchong clay 7 weight%, pink kaolin 7 weight%, hardwood charcoal 11 weight%, manganese 16 weight%, and mordenite anion agent 4 weight%.
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