超声波清洗的去污原理主要基于超声波在液体中产生的空化作用、加速度作用及直进流作用,这些作用对液体和污物产生直接和间接的影响,使污物层被分散、乳化、剥离,从而达到清洗的目的。以下是超声波清洗去污原理的详细解释:
The cleaning principle of ultrasonic cleaning is mainly based on the cavitation, acceleration, and direct flow effects generated by ultrasonic waves in liquids. These effects have direct and indirect effects on liquids and pollutants, dispersing, emulsifying, and peeling the pollutant layer to achieve the purpose of cleaning. The following is a detailed explanation of the principle of ultrasonic cleaning and decontamination:
一、空化作用
1、 Cavitation effect
超声波在液体中传播时,会形成无数微小的气泡。这些气泡在压力作用下不断形成和破裂,产生强大的冲击力。当气泡破裂时,会在其周围产生上千个大气压力,这种微冲击波对被清洗物表面的污物产生强烈的冲击和剥离作用。同时,气泡的振动还能对固体表面进行擦洗,甚至能“钻入”裂缝中做振动,使污物脱落。
When ultrasound propagates in liquid, it forms countless tiny bubbles. These bubbles continuously form and rupture under pressure, generating strong impact forces. When a bubble bursts, thousands of atmospheric pressures are generated around it, and this micro shock wave has a strong impact and peeling effect on the dirt on the surface of the cleaned object. At the same time, the vibration of bubbles can also scrub the surface of solids, and even "drill" into cracks for vibration, causing dirt to fall off.
二、加速度作用
2、 Acceleration effect
超声波在液体中传播时,会使液体分子产生高频振动,形成正负交变的冲击波。这种冲击波会对被清洗物表面的污物产生强烈的加速度作用,使其受到频繁而激烈的冲击,从而被剥离下来。
When ultrasound propagates in liquid, it causes high-frequency vibrations in liquid molecules, forming positive and negative alternating shock waves. This shock wave will have a strong acceleration effect on the dirt on the surface of the cleaned object, causing it to be subjected to frequent and intense impacts, thereby being peeled off.
三、直进流作用
3、 Direct flow action
超声波在液体中传播时,还会产生声流,即液体本身产生的环流。这种环流会使振动气泡表面存在很高的速度梯度和粘滞应力,促使清洗件表面污物的破坏和脱落。同时,超声空化在固体和液体表面上所产生的高速微射流能够除去或削弱边界污层,进一步加速污物的去除。
When ultrasound propagates in a liquid, it also generates a sound flow, which is the circulation generated by the liquid itself. This kind of circulation will cause a high velocity gradient and viscous stress on the surface of the vibrating bubbles, which will promote the damage and detachment of dirt on the surface of the cleaning parts. Meanwhile, the high-speed microjet generated by ultrasonic cavitation on solid and liquid surfaces can remove or weaken the boundary fouling layer, further accelerating the removal of fouling.
四、清洗剂的协同作用
4、 The synergistic effect of cleaning agents
在超声波清洗过程中,通常会使用清洗剂来增强清洗效果。清洗剂可以是化学溶剂或水基清洗剂,其化学作用可以加速超声波清洗过程,与超声波的物理作用相结合,对物件进行充分、彻底的清洗。
In the ultrasonic cleaning process, cleaning agents are usually used to enhance the cleaning effect. Cleaning agents can be chemical solvents or water-based cleaning agents, whose chemical effects can accelerate the ultrasonic cleaning process, combined with the physical effects of ultrasound, to thoroughly and thoroughly clean objects.
五、超声波清洗的应用
5、 Application of Ultrasonic Cleaning
超声波清洗广泛应用于各种领域,如工业制造、医疗器械、珠宝饰品、光学器件等。其优点包括清洗效果好、清洗速度快、对物件无损伤或损伤小、可清洗复杂形状和缝隙中的污物等。
Ultrasonic cleaning is widely used in various fields, such as industrial manufacturing, medical equipment, jewelry, optical devices, etc. Its advantages include good cleaning effect, fast cleaning speed, no or minimal damage to objects, and the ability to clean complex shapes and dirt in gaps.
综上所述,超声波清洗的去污原理主要基于空化作用、加速度作用、直进流作用以及清洗剂的协同作用。这些作用共同作用于被清洗物表面的污物,使其被分散、乳化、剥离,从而达到清洗的目的。
In summary, the cleaning principle of ultrasonic cleaning is mainly based on cavitation, acceleration, direct flow, and the synergistic effect of cleaning agents. These effects work together to disperse, emulsify, and peel off the dirt on the surface of the cleaned object, thereby achieving the purpose of cleaning.
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