PNEUMATIC NOZZLE Russian patent published in 2018 - IPC B05B1/34 

FIELD: technological processes.

SUBSTANCE: invention relates to spraying of liquids. It is achieved by the fact that the nozzle comprises a body, a fitting and a coaxially arranged swirl insert with an external screw-like thread and an expanding conical hole inside, and the inlet has a cylindrical inlet connected to the diffuser, which is axially symmetric in the housing, and in the lower part of the housing an axially symmetrical nozzle is located, nozzle is made with a two-stage and coaxial insert-swirl diffuser, wherein the first stage of the diffuser is a continuation of the expanding conical opening provided inside the swirl insert and is made of a wear-resistant material, besides the second stage of the diffuser is an extension of its first stage, while a screw-like thread is made on its inner conical surface, said conical surface with helical knurling of the diffuser second step is perforated.

EFFECT: higher quality of spraying liquid, efficiency of nozzle, reduced hydraulic losses.

1 cl, 1 dwg