Heat preservation and sealing structure of gas module furnace

The utility model discloses a fuel gas module furnace heat preservation sealing structure which comprises a fuel gas module furnace, a combustion chamber is arranged in the fuel gas module furnace, aheat insulation cavity is formed in the portion, on the outer side of the combustion chamber, of the fuel gas module furnace, and a detachable inner heat preservation heat insulation cover is installed on the inner side wall of the heat insulation cavity. An inner heat insulation ceramic wall is arranged on the inner side wall of the detachable inner heat insulation cover, an interlayer filled with heat insulation foam is arranged in the detachable inner heat insulation cover, and a detachable back plate is installed on the back face of the gas module furnace at the position of the heat insulation cavity. According to the utility model, the detachable inner heat preservation and heat preservation cover is arranged in the heat preservation and heat preservation cavity to perform heat preservation and heat preservat