RE: Venturi Scrubbers

From: <Steve>
Date: Wed Mar 26 2003 - 06:23:00 EST

Hi Al Khaleej Sugar
if you use the same nozzle, you will need 25 times the pressure, as pressure increases approximately as the velocity squared. Normal practice is to fit a bigger spray nozzle. For general (dirty) purpose I normally aim for a Sauter droplet size of around 800 microns. Any smaller and the nozzle blocks, any larger and mass transfer is rather sad. If your liquid is clean, you can do better. In your case, you have some sums to do to estimate the optimum nozzle size. It will be much less than 25 times though. Five times flow is a lot. Watch your L/G, and choking.

Cheers

Steve McKenzie

-----Original Message-----
From: Ahmed Vawda [mailto:avawda@aksugar.co.ae] Sent: Wednesday, March 26, 2003 11:07 PM To: 'PipingDesign@yahoogroups.com' Subject: [PipingDesign] Venturi Scrubbers

Dear Forum Members

I wish to increase (five fold) the amount of water injected into the throat of a venturi scrubber.
Is there anyone out there who could advise on the expected increase in pressure drop if I execute this modification. Ahmed Vawda
Process Engineer
Al Khaleej Sugar LLC - Dubai

[Non-text portions of this message have been removed]

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Your use of Yahoo! Groups is subject to <a href="http://docs.yahoo.com/info/terms/">http://docs.yahoo.com/info/terms/</a> Received on Wed Mar 26 06:23:00 2003