Posted by Rick Bullard on November 24, 2001 at 10:07:36:
In Reply to: Deaerator vent spewing water slugs posted by George Larose on November 09, 2001 at 18:38:56:
: I have a deaerator application ( a normal spray type deaerator) in which the non-condensible gas vent spews slugs of water from time to time, seemingly when admitting proportionally more cold make-up water. The deaerator operating pressure is 6-7 psig, the vent is a 1" gate valve with a 5/32-inch hole drilled in the gate, and the valve is shut, allowing a plume of 18-24" of vapour. Ideas, please?
Could be that the atmospheric vent pipe has a break in it between the top of the spray valve plate and the top head of the de-gassifying section. This would cause incoming water to short-circuit out the vent in the form of slugs of water.
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