PNEUMATIC NOZZLE Russian patent published in 2018 - IPC A62C31/02 B05B1/00 

FIELD: technological processes.

SUBSTANCE: invention relates to spraying of fluids and can be used in fire fighting, agriculture, in chemical industry etc. This is achieved by the fact that in a pneumatic nozzle comprising a body with supply of atomized liquid and gas, jet-guiding device and sprayer, the housing is made in the form of an inverted cup, in the bottom of which a threaded opening is made for fixing the axial symmetric body of the central cylindrical insert with central axial channel of jet directing device for supply of sprayed liquid, and in body side surface, perpendicular to its axis, at least, one opening for air (gas) under pressure supply is made, which is connected to an annular chamber formed by central cylindrical insert outer surface and housing inner surface, and to the inner side surface of the body, in its lower part, a jet-guiding device cylindrical sleeve is fixed for gas supply under pressure to sprayer by means of annular gap, formed by outer surface of central cylindrical insert and inner surface of sleeve, wherein annular gap is connected to annular chamber, and to central cylindrical insert sprayer is coaxially fixed, made in the form of a conical flaring, in the lower part of which, perpendicular to its axis, end round plate is rigidly fixed with, at least, three conical throttling openings with apex angle of cone, lying in the range from 45 to 90°, wherein at least two rows of cylindrical throttling openings are made on the lateral surface of the flaring, with axes lying in planes perpendicular to the axis of the flaring, and in each row at least three holes are made, and between the central axial channel of the central cylindrical insert and the flaring a perforated disk is fixed, and a hollow conical swirler is installed in the flaring, which conical surface vertex rests against a perforated disk, and the base lies on the flaring end-face round plate, wherein on the hollow conical swirler conical surface a helical through thread is made.

EFFECT: high efficiency of liquid atomizing.

1 cl, 1 dwg