Pneumatic atomizing nozzle with function of adjusting sizes of atomizing particles

Abstract

The invention provides a pneumatic atomizing nozzle with the function of adjusting the sizes of atomizing particles. The pneumatic atomizing nozzle comprises a nozzle body. An air inlet and a liquid inlet are formed in the outer side of the nozzle body. A tapered nozzle orifice is formed in one end of a hollow cavity of the nozzle body. The aperture of the tapered nozzle orifice is increased from inside to outside. A cylindrical cavity is formed in the middle of the nozzle body. A tapered spray nozzle and a tapered bushing are sequentially arranged at the other end of the hollow cavity. A part between the outer part of the tapered spray nozzle and the inner wall of the nozzle body is sealed. A cavity between an outer taper surface of the tapered spray nozzle and the inner wall of the hollow cavity communicates with the liquid inlet. A cavity defined by the inner taper surface of the tapered spray nozzle, the inner wall of the hollow cavity and the outer side of the tapered bushing communicates with the air inlet. A part between the tapered bushing and the inner wall of the hollow cavity is sealed. A cylindrical through hole is formed in the center of the tapered bushing. A core shaft capable of moving in the axial direction to adjust the size of an air outlet of the tapered spray nozzle is arranged in the cylindrical through hole through a bushing and a sealing sleeve. A fastening sleeve is mounted on the core shaft to fix the bushing in the axial direction. A gland, which has an axial pressing effect, is arranged on the end surface of the tapered bushing. According to the pneumatic atomizing nozzle provided by the invention, the air spraying rate is adjusted by adjusting the core shaft so as to adjust the sizes of sprayed liquid drops. The pneumatic atomizing nozzle is suitable for various productions.

Description

[0001] Technical field: [0002] The invention belongs to the field of mechanical equipment for the production of chemical products such as fertilizers and medicines, and in particular relates to a pneumatic atomizing nozzle capable of adjusting the size of atomized particles. [0003] Background technique: [0004] In the field of chemical production, atomizing nozzles are widely used. In order to improve the efficiency of the interaction between raw materials in production and achieve the purpose of improving production efficiency, the liquid raw materials such as methylamine solution are sprayed using the principle of pneumatic atomization. make it participate in the reaction. The principle used specifically refers to: the liquid enters the pressurized coaxial high-speed air flow, and the contact between the high-speed air flow and the relatively low-speed liquid generates vibration and friction, so that the liquid is broken into fine droplets, that is, the gas to the liquid...

AI Technical Summary

Problems solved by technology

At present, common atomizing nozzles are generally pressure-type atomizing nozzles. The principle is that high-speed pressurized liquid passes through nozzles with special structures to achieve atomization. However, this type of atomizing nozzle has defects such as complex structure and easy blockage.

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