The cooker in the school canteen kitchen is different from the gas stove used by ordinary families. It is a large and medium-sized cooker made of 304 stainless steel and energy-saving stoves. The induction cooker is protected from water, electricity and scalding. Because cooking equipment causes kitchen fume during cooking, it is necessary to install ventilation and smoke exhaust system, which is also expressly stipulated by the health department. Its main equipment includes: smoke exhaust hood, oil fume purification equipment, fan, air cabinet, control box, oil fume discharge pipeline, etc.