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Sizing normally dry KO Drum

Sizing normally dry KO Drum

Sizing normally dry KO Drum

(OP)
How do you size a normally dry KO drum? What liquid dropout particle size target is normally used?

RE: Sizing normally dry KO Drum

1: depends on your upstream system.
Can you get liquid carry-over from an upstream drum, or is it condensation only. If you can get liquid from an upstream vessel you would take x seconds of liquid-full flow. (x depends on safeguarding) The resulting liquid volume should fit in your vessel.

2: depends on your downstream system.
Why do you have the drum: corrosion reduction, or will a slug of liquid cause an 'explosion' when expanding in a hot vessel downstream??

In other words, have a look at your situation and see what can happen upstream, and what do you want to avoid downstream...

RE: Sizing normally dry KO Drum

js2k9:

You must assume that the KO drum is there to protect against abnormal events ... or else why is the KO drom there?

As for sizing the drum, you really do not need the target droplet size. You will find this article in the Citizendium online encyclopedia to be useful in sizing the drum:

Souders-Brown Equation

Milton Beychok
(Visit me at www.air-dispersion.com)
.

 

RE: Sizing normally dry KO Drum


Suggest you google for


BN-EG-UE109 Guide for vessel sizing

RE: Sizing normally dry KO Drum

A velocity of 2-fps is adequate for 50 micron.
This would be a "down & dirty" design for typical plant streams.
Dig deeper if the application is not "vanilla"

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