Steam generator is a device that converts electric energy into heat energy to generate steam. It heats the water in the closed container through the electric heating element to generate high-pressure steam, which is used by the steam using equipment. The evaporator is composed of the main body, electrical control system, water inlet pump, electric heating element, liquid level controller, pipeline system and other parts. It has various automatic control functions and has the advantages of small size, pollution-free, simple operation and reliable operation.