OUTDOOR CAMPING FUEL OIL HEATING APPARATUS

The present invention relates to an outdoor camping fuel oil heating apparatus, comprising an oil tank and a cylindrical structure, where the cylindrical structure comprises a housing, a combustion cylinder is disposed in the housing, a rear end of the combustion cylinder is connected with a combustion head assembly, a power storage assembly is further disposed on the housing, several fire retaining rings are uniformly disposed in the combustion cylinder, apertures of the several fire retaining rings are disposed from large to small, and a plurality of combustion through holes distributed in a regular or irregular manner are formed in the fire retaining rings of the front two layers, so that a purpose of improving the combustion efficiency is achieved by blocking a residence time of a flame at each fire retaining ring during combustion.