High-performance energy-saving commercial steamer and control method thereof

The invention discloses a high-performance energy-saving commercial steamer. The steamer comprises a steam control layer and a steaming chamber, a slidable heat insulation layer is arranged at the upper end of the steaming chamber, the steaming chamber is internally provided with a steaming rack, a first gravity sensor is arranged at the lower portion of each steaming case, and a second gravity sensor is arranged at the bottom of the steaming chamber; the steam control layer is internally provided with a water tank, a steam generating chamber, a gas combustor and a controller, the water tank is connected with the steam generating chamber, the outer layer of the steam generating chamber is provided with an electromagnetic induction coil, the steam generating chamber is internally provided with a heat exchanger combustion chamber, a residual heat recycling pipe connected with the heat exchanger combustion chamber through a first air suction device is arranged around the gas combustor, asteam pipe connected with