FIELD: metering spraying device that may have reservoirs not subjected to pressure. SUBSTANCE: device includes ducts for guiding air flows, breaks liquid flow by droplets and sprays it through nozzle in the form of finely dispersed spraying torch. Annular duct for supplying air is arranged concentrically around duct for feeding liquid. Air is fed through helical ducts for guiding air where annular air flow it is subjected to rotation due to action of helical blades forming helical ducts for guiding air. Speed of air passing near outlet opening of duct for feeding product creates Bernoulli's effect according to which pressure lowers near said opening and promotes liquid displacement to spraying nozzle. Apparatus may have submersible tube for liquid that has no non-return valve in order to keep liquid at high level in submersible tube after each spraying cycle. That is why spraying process begins at once after turning on device. In order to close duct for preventing product drying in duct for feeding product, it is possible to use several variants of stop valves that perform reciprocation motion. EFFECT: possibility of using different dimensions of opening for discharging air in order to regulate moisture content or dryness degree of spraying torch by changing relation of sprayed liquid and air. 22 cl, 5 dwg
