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Ultrasonication of a pressurized liquid
23 October, 2007 - 15:14 — Sosa
I need to perform ultrasonic cleaning of a high pressure flow process (300 bar). I would like to do this by introducing a sonotrode directly into the system. I have a 200 W 20kHz generator with a long Ti alloy sonotrode. Is this possible? Does anyone have suggestions on how this can be done (or even better experience with pressurized systems)?
- Sosa
Forums:
Belated response!
Hi Sosa,
Sorry for the long delay responding to this. I suspect this may be an application where physical limitations and engineering challenges may be more difficult than the ultrasonics. eg. you could insert the probe through a port in the chamber but with 300 bar internal pressure would this be practical? How would you seal it? How much force will you need to resist on the sonotrode?
I guess you've probably found this already, but if not one radically different approach you may want to investigate is to vibrate the pressure vessel itself - as MPI Ultrasonics did to develop cleaning in liquid CO2.
http://www.mpi-ultrasonics.com/cleaning-co2.html
HTH
Chris - PowerUltrasonics.com site owner, chief cook and bottle-washer.