Common Problems And Solutions Of Heat Exchanger Of Ultrasonic Cleaner

Common Problems And Solutions Of Heat Exchanger Of Ultrasonic Cleaner

Date:Dec 30, 2019

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Now, with the rapid development of the pharmaceutical industry, ultrasonic cleaning machine is playing a more and more important role, its market also ushered in a good opportunity for development.Ultrasonic cleaning machine is mainly composed of ultrasonic generator, ultrasonic transducer, cleaning tank, heating and temperature control system, stainless steel cleaning baskets, etc, among them, the ultrasonic transducer is a major part of the ultrasonic cleaning machine, in recent years, along with the piezoelectric vibrator in the formulation and process improvements, the performance of the ultrasonic transducer has been constantly improved.

Industry says, of ultrasonic transducer installation and test need to be taken seriously, want to assure ultrasonic transducer to be able to work very well first, reduce fall off, attenuate the occurrence of the phenomenon, ability lets ultrasonic cleaner maintain stable job."Ultrasonic transducers have sharp directivity, which is conducive to the concentrated transmission of energy, to obtain a high signal-to-noise ratio when receiving, and to the positioning evaluation of the detected target.So be careful when you install it."

In addition, many users reported that ultrasonic transducer in use often appear some problems.To this, the industry listed several common problems, and made a brief solution analysis.

Problem one, the ultrasonic transducer gets damp.As for whether the ultrasonic transducer is affected with damp, it is generally necessary to check the plug connected with the transducer with a megohm meter and check the insulation resistance value between the positive and negative electrodes of the transducer.

In general, insulation resistance is required to be greater than 30 megohm.If this insulation resistance is not reached, it is likely that the transducer is affected by moisture.

The maintenance method is to put the whole transducer (excluding the plastic-sprayed shell) into the oven and set it at about 100℃ to dry for three hours or use a hairdryer to remove moisture until the resistance value is normal.The vibrator of the transducer strikes, and the ceramic material is broken.When maintenance can be combined with visual and megohm meter inspection.Generally as a measure of emergency treatment, the damaged transducer can be disconnected, will not affect the normal use of other transducers.

Problem number two, transducer degumming.It is understood that most manufacturers use adhesive way to fix the transducer, but ultrasonic cleaning machine in the long-term use after the vibration will appear degumming phenomenon.Also have manufacturer to use cementation to add the means that screw fastens, won't appear below general circumstance come unglued, because of the action of screw, vibrator comes unglued hind won't fall from vibrating face.

To judge whether the transducer is degumming or not, the general method is to gently shake the tail of the vibrator by hand and carefully observe the glue situation of the vibrating surface to make a judgment.

Problem three, vibrator degumming.Generally, the power output by ultrasonic power source is still normal after the vibrator comes unglued. However, due to the poor connection between the vibrator and the vibration surface, the vibration effect of the vibration surface is not good, and the energy cannot be released after a long time, it is likely to burn out the vibrator.

The industry said that the vibrator degummed for the user maintenance is more troublesome, the general situation can only be sent back to the manufacturer for maintenance.The effective way to avoid the degumming of the vibrator is to pay attention to not hitting the vibrating surface in daily use.

Problem four, vibration face perforation.It is reported that the general ultrasonic transducer full load after several years of use may appear vibration face perforation, this is due to the vibration face of stainless steel plate for a long time high-frequency vibration fatigue, vibration face perforation indicates that the service life of the transducer has arrived, maintenance can only be replaced.


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