F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
F23D11/04—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action
F23D11/08—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying action being obtained by centrifugal action using a vertical shaft