Popularization of related knowledge of ultrasonic nano spraying
How does ultrasonic nano-spraying work? Ultrasonic nozzles contain piezoelectric transducers. When energized, the ultrasonic nozzles vibrate at high frequencies. The design of these transducers makes the nozzle vibrate longitudinally, so the nozzle vibrates with up and down motions of thousands of times per second. When the thin film liquid is applied to the ultrasonic nozzle, capillary waves are formed. The amplitude of these waves can be easily controlled by the ultrasonic generator, and increase the amplitude to the point where the vertical capillary waves become too high to support themselves. Due to the continuous excessive extension of these standing waves, the material was abandoned, and highly uniform droplets of micrometer size began to form. Under the right conditions, atomization can last a long time.
Ultrasonic nano-spraying has a unique fine mist spray, which greatly reduces overspray, saves costs and reduces air pollution. Ultrasonic nano-spraying has self-cleaning ability, so it will not be clogged, and this feature is mainly because this device uses high-frequency sound waves (beyond the range of human hearing) to atomize the liquid instead of using high pressure to force the liquid through small holes. When spraying suspended particles, the ultrasonic effect of the nozzle itself keeps the particles evenly suspended during the entire spraying process. When you need a very low flow rate, ultrasonic spraying is also an ideal choice.
The benefits of ultrasonic nano-spraying, some of the benefits of ultrasonic nozzles, high transmission efficiency-reduced material usage. No clogging-able to handle high solid materials. Durability-The titanium structure can resist a variety of solvents and abrasion. The highly uniform distribution of droplet sizes-reducing coating defects, airless spraying-can easily control the process and is also an ideal vacuum environment. It has the advantages of uniform spraying and controllable flow rate, and can realize the preparation of thin films under normal temperature and pressure environment, making the large-scale production of nano-scale thin films possible. However, when used for large-area thin film spraying, the spray head is required to achieve a large spray range as much as possible to improve spraying efficiency.
