Ultrasonic homogenizer uses high-frequency vibration and cavitation effect of ultrasound to refine and disperse particles or droplets in liquid to achieve system homogenization, which is widely used in many fields.
The ultrasonic homogenizer is based on the acoustic cavitation effect of ultrasonic treatment. When it is running, the ultrasonic wave propagates in the liquid medium and produces alternating high and low pressure regions. In the low pressure region, tiny bubbles form rapidly, while in the high pressure region, the bubbles collapse violently, releasing huge energy and forming strong shock waves and high-speed microjets. This powerful impact force can effectively break up aggregates, refine and disperse particles or droplets, so that the material distribution in the system is more uniform and homogenization is achieved.
Ultrasonic homogenizer can be used to homogenize emulsion and suspension. In dairy processing, it can refine fat globules, prevent fat from floating, extend shelf life, and improve product taste and stability. In fruit juice production, ultrasonic homogenizers can refine the pulp particles, make them evenly dispersed, and improve the appearance and taste of the juice. In the preparation of cosmetics such as lotion and cream, ultrasonic homogenizer can evenly mix the oil phase and water phase, fine the dispersed phase particles, make the texture of the product more delicate, smooth application, improve the stability and quality of the product.
In the process of drug development and production, ultrasonic homogenizers help to prepare nano-sized drug particles, increase drug surface area, and improve drug solubility and bioavailability. The ultrasonic homogenization process is highly efficient, which can achieve homogenization in a shorter time than traditional homogenization methods such as stirring and grinding, significantly improving production efficiency; The homogenization effect is good, and the particles or droplets can be refined to the nanometer or micron level to achieve a high degree of uniform dispersion; Simple operation, easy to control equipment, easy to automate production.
The energy efficiency of ultrasonic equipment needs to be improved, and the operation cost is high in large-scale application. It is difficult to guarantee the uniformity of ultrasonic field, which may lead to uneven homogenization effect. The high temperature and high pressure generated by acoustic cavitation may cause damage to some sensitive substances.
