Ultrasonic cleaning principle In China

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Ultrasonic cleaning principle

Description:

Ultrasonic cleaning machine principle is mainly through the transducer, acoustic power frequency ultrasonic source can be converted into mechanical vibration by the ultrasonic cleaning tank wall radiation to the cleaning solution in the trough. Due to the ultrasonic wave irradiation, so that the liquid in the tank under the action of micro-bubbles can thereby maintain sonic vibration. Destruction of dirt and cleaning the surface adsorption, causing fatigue failure dirt layer is split off, the vibration type gas bubbles scrub the surface of the solid.

Here I will introduce major aspects of its work and procedures, ultrasonic cleaning principles and knowledge of how the machine works. Ultrasound is sound wave frequencies above 20,000 hertz, which direction is good, strong penetration, easy to get a higher concentration of acoustic energy in the dissemination of the water distance, can be used for distance, speed, cleaning, welding, gravel, sterilization and so on. In medicine, the military, industry, agriculture has a lot of applications. Because ultrasonic frequency limit is approximately equal to the upper limit of human hearing is named. Ultrasonic cleaning machine principle is mainly through the transducer, acoustic power frequency ultrasonic source can be converted into mechanical vibration by the ultrasonic cleaning tank wall radiation to the cleaning solution in the trough. Due to the ultrasonic wave irradiation, so that the liquid in the tank under the action of micro-bubbles can thereby maintain sonic vibration.
When the sound pressure or sound intensity when under pressure reaches a certain level, the bubble will quickly swell, then suddenly closed. During this process, the momentary shock waves closed bubble, the bubble generated around 1012-1013pa pressure and Bureau thermostat, this enormous pressure generated by ultrasonic cavitation can damage the insoluble contaminants in the solution and allow them to differentiate, steam-type cavitation repeated impact directly on the dirt.
On the one hand the destruction adsorption surface dirt and cleaning, and on the other hand can cause fatigue damage dirt layer was split off, the vibration type of gas bubbles on the solid surface to scrub, dirt floor joints can be drilled once the bubble immediately. “drill “vibration so dirty layer off, due to cavitation, rapid dispersion of the two liquids and emulsified in the interface, when the solid particles are adhered wrapped oil when cleaning the surface, the oil is emulsified off on their own, solids, ultrasonic generates alternating positive and negative sound pressure, forming a jet, impact cleaning member, and because the nonlinear effect generated acoustic streaming and micro acoustic streaming, and propagates ultrasonic cavitation in the cleaning solution and in the solid liquid interface can produce high-speed microjets, all of these effects, capable of destroying dirt, dirt boundary layer is removed or weakened, increasing agitation, diffusion, accelerate the dissolution of the soluble dirt, strengthening the role of cleaning chemical cleaning agent. Thus, any liquid can be dipped into the sound field presence and where there cleaning effect, which is characterized by a very complex surface shape suitable for cleaning parts. Especially after using this technology, can reduce the amount of chemical solvents, thus greatly reduce environmental pollution.
Second ultrasonic propagation in liquid, the liquid together with the cleaning tank at ultrasonic frequency vibrations, liquid cleaning tank and has its own natural frequency of vibration, the vibration frequency of the acoustic frequency, so people will hear the hum.
Further, in the ultrasonic cleaning process, the naked eye can not see the bubble nuclei vacuum bubble, but the air bubbles, it generates cavitation inhibition reduce cleaning efficiency. Only liquid air bubbles are completely towed vacuum cavitation bubble nuclei in order to achieve the best results.

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Dental Ultrasonic Transducer