ElectricityHot radiation tubeIt is a device that converts electrical energy into heat to heat the material requiring heating. The electric heating elements are enclosed in a protective sleeve, and after being energized and heated, the heat is indirectly radiated to the furnace lining and the heated workpiece through the sleeve. ElectricHeat radiation tubeThe heating is suitable for furnaces with protective atmospheres and corrosive atmospheres, such as continuous furnaces, drum furnaces, pit furnaces, etc.