Industrial electric kiln refers to the heating equipment used in the process of heating, annealing, hardening, sintering, drying, organics removal and other processes to deal with large quantities of materials or large structures. Different types of heating elements are usually used to meet the temperature demand through the radiant heat generated by the resistance. Usually divided by structure, there are roller kiln, rotary kiln, push plate kiln, mesh furnace, trolley furnace and a variety of specially customized furnace.