NOVELTY - An emulsion-fuel combustion apparatus (100) comprises burner (110) for emulsion fuels, manufacture and supply apparatus of emulsion fuel which manufactures emulsion fuel and is supplied to burner for emulsion fuels, stirrer (170) which stirs and mixes first liquid and second liquid and produces primary mixing emulsion fuel, mixer which mixes by pouring primary mixing emulsion fuel via fine channels under predetermined pressurized state, pumping pump which pumps primary mixing emulsion fuel, fuel tank (200), fuel-supply path, and fuel collection path which collects excessive emulsion fuels.    USE - An emulsion-fuel combustion apparatus.    ADVANTAGE - The apparatus is simple and excellent in stability and manufactures good emulsion fuel of combustion efficiency.    DETAILED DESCRIPTION - An emulsion-fuel combustion apparatus (100) comprises burner (110) for emulsion fuels, manufacture and supply apparatus of emulsion fuel which manufactures emulsion fuel and is supplied to burner for emulsion fuels, stirrer (170) which stirs and mixes first liquid and second liquid and produces primary mixing emulsion fuel, mixer which mixes by pouring primary mixing emulsion fuel via fine channels under predetermined pressurized state and produces secondary mixing emulsion fuel, pumping pump which pumps primary mixing emulsion fuel by predetermined pressure with respect to mixer, fuel tank (200) stored as emulsion fuel for supplying secondary mixing emulsion fuel to burner for emulsion fuels, fuel-supply path which supplies emulsion fuel to burner from fuel tank, and fuel collection path which collects excessive emulsion fuels from burner and is returned to stirrer. INDEPENDENT CLAIMS are included for:    (1) emulsion fuel burner;    (2) liquid stirring and mixing apparatus; and    (3) emulsion fuel supply apparatus (150).    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic block diagram of the emulsion-fuel combustion apparatus.    Emulsion-fuel combustion apparatus (100)    Burner (110)    Emulsion fuel supply apparatus (150)    Stirrer (170)    Fuel tank (200)