Firing furnace, manufacturing method of a ceramic member using the firing furnace, ceramic member, and ceramic honeycomb filter

摘要

A firing furnace according to the present invention comprises: a muffle formed in a manner so as to ensure a space for housing a formed body to be fired; a heater or a heat generator serving as the heater, placed outside the muffle; and a plurality of heat insulating layers formed in a manner so as to enclose said muffle and said heater therein, wherein said heat insulating layers are made of carbon and fixed by stoppers made of carbon.