Gas separation: apparatus – Degasifying means for liquid – With control means responsive to sensed condition
Patent
1999-04-14
2000-09-12
Smith, Duane S.
Gas separation: apparatus
Degasifying means for liquid
With control means responsive to sensed condition
96167, 96214, 96217, B01D 1900
Patent
active
061172170
ABSTRACT:
A liquid ammonia pump-vapor stripper unit is disclosed having an impeller pump assembly which increases the system pressure before it is delivered to a receiver-accumulator where the ammonia vapor mass formed along its path from the storage tank is separated from the liquid and throttled across a variable area regulator formed between a regulator cone and a regulator ball and past a normally closed demand valve before the vapor mass is returned to the storage tank. The dew point of the liquid ammonia mass flowing through the unit is increased by the impeller pump due to the additional pressure added to the system, the liquid ammonia leaving the receiver-accumulator behaves more like a true liquid resulting in a more accurate downstream metering and a more efficient delivery of ammonia to the soil.
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