REFRACTORY CEILING ELEMENT FOR AN INDUSTRIAL FURNACE, INDUSTRIAL FURNACE CEILING OF REFRACTORY ELEMENTS AND FURNACE WITH SUCH A CEILING

摘要

To simplify the insertion and to improve the stability as well as to avoid mechanical damage to a ceiling of an industrial furnace, the invention proposes a fire-resistant ceiling element to be used as a self-supporting building element which can be inserted on the side of the furnace channel.