SPRAY NOZZLE AND COMBUSTION APPARATUS USING SPRAY NOZZLE

摘要

PROBLEM TO BE SOLVED: To provide a spray nozzle capable of achieving all of the acceleration of the atomization of a spray fluid and the reduction of the use quantity of a spray medium used for the atomization of the spray fluid, and the reduction of a pressure force.SOLUTION: A spray nozzle comprises: a mixture chamber which mixes a spray fluid with a spray medium; a spray fluid passage supplying the spray fluid to the mixture chamber; a spray medium passage supplying the spray medium to the mixture chamber; and an outlet hole spraying a mixture fluid between the spray fluid and the spray medium which have been mixed in the mixture chamber, the spray medium passage being provided with a first spray medium supply hole supplying the spray medium to the mixture chamber, and a second spray medium supply hole supplying the spray medium to a downstream side of the first spray medium supply hole in the mixture chamber, and the second spray medium supply hole supplying the spray medium to a portion near the outlet hole.SELECTED DRAWING: Figure 1