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steam trap condensate

steam trap condensate

(OP)
Dear All
I am puzzled that if 40 KG/CM2 superheated steam flowing through pipeline and forming condensate and removing it by installing steam trap. If condensate at 40kg/cm2 is drained to atmospheric pressure then it should immediately convert into superheated steam but it does not occur whether it loses heat to atmosphere and becomes condensate or what? Please guide me

Regards
Pradeep

RE: steam trap condensate

The condensate does flash but not the entire amount - it depends on pressure and temperature conditions upstream of the trap, as well as the pressure at which it is flashed. This principle is used for recovering LP steam from HP condensate.

You need to perform enthalpy balance to calculate the amount of flash. An example calculation is shown on Spirax Sarco page: Condensate Recovery

Dejan IVANOVIC
Process Engineer, MSChE

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