Furnace for firing a glass-lined product

摘要

A batch type furnace includes a furnace body, a floor being removably attachable to the furnace body for forming a furnace chamber, and radiant tubes being substantially and uniformly arranged in the furnace body and the floor. The radiant tubes are controllable to a predetermined temperature independently of each other. The radiant tubes are made of an alloy having a heat resistance of such a degree as to tolerate quick heating and cooling.