| 摘要 |
FIELD: power industry.SUBSTANCE: atomiser includes the following components, which are installed in series along common axis: disperser of the first stage with confuser chamber of primary dispersion, which has outlet and inlet openings, two coaxial branch pipes connected to inlet opening and forming a central cylindrical supply channel of primary sprayer and peripheral annular liquid fuel supply channel arranged in inlet opening of multi-nozzle head piece of axisymmetrical nozzles with proper axes, and disperser of the second stage with cylindrical chamber of secondary dispersion, which has outlet opening, inlet opening combined with outlet opening of chamber of primary dispersion, and inlet opening of secondary disperser, axisymmetrical branch pipe connected to inlet opening and forming an annular supply channel of secondary sprayer. Multi-nozzle head piece is installed in inlet opening of chamber of primary dispersion; axes of its nozzles are oriented parallel to axis of dispersers; inlet opening of secondary sprayer is arranged along the perimetre of cylindrical chamber of secondary dispersion, and annular supply channel of secondary disperser is convergent and connected to inlet opening of chamber of secondary dispersion along cylindrical generatrix at an angle of 10-40°.EFFECT: invention allows reducing the flow rate of sprayer.1 dwg |
