The principle of a Rotary atomizer mainly involves the effect of centrifugal force on the liquid. Specifically:
Material liquid transportation: The material liquid is first sent into a high-speed rotating disc.
The effect of centrifugal force: As the plate rotates, the material liquid is subjected to the centrifugal force and unfolds on the rotating surface to form a thin film like structure.
Formation and growth of droplets: Due to the centrifugal force, the liquid moves outward from the edge of the disk at a relatively small speed and breaks due to friction as it approaches the edge, forming tiny droplets.
Droplet size: These droplets typically range from 30 to 80 microns.
Application of atomization: The formed droplets then enter the respiratory tract with the airflow, where the drug components take effect.
In practical applications, such as the spray drying system, the high-speed rotation of the rotary atomizer helps to disperse the liquid into tiny droplets, thus improving the distribution efficiency and quality of droplets
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