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The Effect of Undersized Gas Outlet Nozzle

The Effect of Undersized Gas Outlet Nozzle

The Effect of Undersized Gas Outlet Nozzle

(OP)
Good evening,

Just a quick one: what are the effects of undersized gas outlet nozzle in water knockout drums? Can this promote upset/dislodging of vessel internals?

In-house calculations show there is excessive momentum (>5,000 kg/ms^2) at the vessel gas outlet. At the same time, the performance of this vessel with regards to water removal efficiency is quite poor (<98%).

Any info on this subject?
Thanks,
 

RE: The Effect of Undersized Gas Outlet Nozzle

Sounds like the KO drum is completely undersized if the rho v2 figure is high and the separation efficiency low. Is the KO drum now operating at a lower pressure?

 

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