| 摘要 |
PURPOSE:To reduce internal gaseous pressure and to elimonate the danger of gushing out of gases in a producing device for SiC by induction heating wherein raw materals are packed in the inside and outside of a conductive cylindrical body by forming many passages for gas in the walls of the cylindrical body. CONSTITUTION:A conductive cylindrical body 15 is disposed in a coil frame 12 which is provided with heat insulating mateials 13 on the inside walls and supports induction heating coils 11, and raw materials 16 are packed in the inside and outside of said cylinder. The cylindrical body 15 is heated by induction. Then, SiC is formed from the raw materials 16 consisting of a mixture of SiO2 and coke, and gaseous SO is generated as a byproduct. Thereupon, gas passages 15a consisting of many holes are formed in the body 15. Then, the gaseous pressure generated from the materials 16 of the onside and outside of the body 15 is equalized with the passages 15a and is released to the outside of the device, whereby the danger of gushing out of gases by the increased pressure of the gases is eliminated. If gas passages 17 are provided between the frame 12 and the materials 13 and many passages for gas 13 communicating with said passages are provided in the materials 13, the venting of gases is accelerated additionally. |
