Energy-saving gas heating combustion chamber air layer protection device

The utility model discloses an energy-saving gas heating combustion chamber air layer protection device which structurally comprises an inspection opening, a combustion chamber, an air return opening, a fresh air opening and a combustor. According to the air layer protection device of the energy-saving gas heating combustion chamber, the combustion chamber is provided with the protection device, the heat insulation layer, the air layer and other components, so that high temperature generated by continuous combustion of the combustion chamber can be limited inside by the air layer and the heat insulation layer, and the phenomenon of continuous loss of heat is prevented; and the air layer can be positioned at the original point according to the protection device, so that the original point positioning performance of the air layer and the subsequent disassembly and maintenance effect are enhanced, the deformation phenomenon generated in the continuous use process of the air layer is prevented, the continuous hea