MONOLITHIC THERMAL HEATING BLOCK MADE FROM REFRACTORY PHOSPHATE CEMENT

摘要

The invention relates to the field of resistance heating in industrial resistance furnaces and, more specifically, to monolithic cermet thermal heating blocks. The monolithic thermal heating block having a heating element disposed therein, the axes of symmetry of which coincide with the axes of symmetry of the monolithic thermal heating block, is manufactured from a non-electrically conductive but thermally conductive refractory phosphate cement, and the heating element is comprised of a zigzag-shaped filament heater and strip terminals, wherein the area and circumference of the filament and the area and circumference of a terminal are in a ratio of not less than 1:4 and the sites where the filament heater is connected to the terminals are in the form of conical recesses in the monolithic thermal heating block. The technical result of the invention is the production of a monolithic non-electrically conductive heating block that combines high efficiency, reliability and manufacturability.