What is the working principle of ultrasonic cleaning machine? Detailed explanation of working princi

16-11-2021
Ultrasonic cleaning machine is a common cleaning equipment, which uses ultrasonic to clean objects. With the continuous development of the cleaning industry, more and more industries and enterprises have applied the ultrasonic cleaning machine. What is the working principle of ultrasonic cleaning machine?
The principle of ultrasonic cleaning machine is mainly to convert the transducer to the sound energy of the power ultrasonic frequency source and convert it into mechanical vibration, so as to radiate the cleaning liquid in the tank to ultrasonic through the cleaning tank wall. Due to the radiated ultrasonic wave, the micro gas ultrasonic cleaning machine bubble in the liquid in the tank can maintain vibration under the action of sound wave. When the sound pressure or sound intensity is under pressure to a certain extent, the bubble will expand rapidly and then close suddenly. In this process, the shock wave is generated at the moment when the bubble is closed, resulting in 1012-1013 PA pressure and local temperature regulation around the bubble. The huge pressure generated by this ultrasonic cavitation can destroy insoluble dirt and differentiate them into solution. The direct and repeated impact of steam cavitation on dirt.
On the one hand, it destroys the adsorption between the dirt and the surface of the cleaning part, on the other hand, it can cause the fatigue damage of the dirt layer and be removed. The vibration of gas bubbles scrub the solid surface. Once the dirt layer has a crack and can be drilled, the bubbles immediately "drill in" and vibrate to make the dirt layer fall off. Due to the function of cavitation, the two liquids are rapidly dispersed and emulsified at the interface, When solid particles are wrapped by oil and adhere to the surface of the cleaning part, the oil is emulsified and the solid particles fall off by themselves. When ultrasonic propagates in the cleaning solution, it will produce positive and negative alternating sound pressure, form jet and impact the cleaning part. At the same time, acoustic flow and micro acoustic flow will be generated due to nonlinear effect, and ultrasonic cavitation will produce high-speed micro jet at the interface between solid and liquid. All these effects, It can destroy the dirt, remove or weaken the boundary dirt layer, increase the stirring and diffusion, accelerate the dissolution of soluble dirt, and strengthen the cleaning effect of chemical cleaning agent. It can be seen that all places where the liquid can be immersed and the sound field exists have cleaning effect. Its characteristics are suitable for the cleaning of parts with very complex surface shape. Especially after adopting this technology, the amount of chemical solvent can be reduced, so as to greatly reduce environmental pollution.
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