| 摘要 |
<p>A firing kiln that is free from any substantial drop of heat insulating performance of heat insulating layer, being free from any splitting into two parts or exfoliation of heat insulating layer, and that excels in long-term durability and heat efficiency. There is provided a firing kiln comprising a muffle formed so as to ensure a space for accommodation of moldings to be fired, a heater, or heating element functioning as a heater, disposed outside the muffle and multiple heat insulating layers disposed so as to enclose the muffle and the heater, characterized in that the heat insulating layers are made of carbon and fixed by means of holdbacks of carbon.</p> |
