Analysis of the Principle of Ultrasonic Cleaning-Industry News-Guangzhou Kemeng Clean Technology Co., Ltd

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Analysis of the Principle of Ultrasonic Cleaning

Addtime：2019-03-21 09:15:05 Visits：1325 Share：

The principle of ultrasonic cleaning is to introduce the liquid into the cleaning tank and apply ultrasonic waves to the tank. Since ultrasonic waves, like sound waves, are a type of vibration wave with varying densities, the pressure of the medium alternates. If a certain point in a liquid is observed, the pressure at this point, centered on static pressure (generally one atmosphere), will increase or decrease. If the intensity of the ultrasonic wave is increased successively, the pressure amplitude will also increase accordingly.

The so-called negative pressure, but in fact, negative pressure does not exist. It is the tearing force generated in the liquid and the formation of vacuum bubbles, which are then crushed and burst by the subsequent compressive force. This kind of vibration under the influence of the sound field, when the sound pressure reaches over... When the sound wave cleans a certain value, the bubbles will grow rapidly and then suddenly close. During the bubble closure, due to the mutual collision between the liquids, a powerful shock wave is generated, creating a pressure of thousands of atmospheres around it. This is what is called " " "Of";" "Ultrasonic cavitation" . Ultrasonic cleaning utilizes the shock waves generated by cavitation. During the cleaning process, it is caused by the following four factors.

1.
2.
3. Ultrasonic cleaning principle The ultrasonic vibration of the cleaning solution itself exerts a force on the cleaning process. For instance, when ultrasonic waves at 20 KHZ and 2W/cm ² propagate in the cleaning solution, they will cause the particles to vibrate, with a displacement amplitude of 1.32 lLm and a speed of 0. At a speed of 16m/s, with an acceleration of 2.04 × 104m/s (approximately 2 g of gravitational acceleration), and a sound pressure of 1.45 × 105Pa, this indicates that the dirt layer on the surface of the object to be cleaned will be subjected to 20,000 times per second. Intense impact.

4. The cleaning agent also dissolves the dirt, generating an emulsifying and dispersing chemical force.

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