BLOWDOWN FLASH STEAM CALCULATOR to 2500 psig (v1.0)

(All pressures are relative to 14.696 psia at sea level)
All pressures are gauge pressures, NOT absolute
For practical use with normal instrumentation accuracy
all the values are automatically rounded to zero decimal places

INPUT VALUES
 Enter the steamrate in 1000s lb per hr

 355
 Enter the % continuous blowdown

 2.11
 Enter the boiler pressure in psig

 650
 Enter the flash tank pressure in psig

 15

COMPUTED VALUES
 At a steam pressure of psig

 650
 Blowdown rate lb per hour

 7491
 Saturated Steam Temperature deg F

 497
 Enthalpy of liquid BTU/Lb

 485
 Enthalpy of vapor BTU/Lb  
 Total blowdown heat MM BTU/hr

 3.633



 At a flash pressure of psig

 15
 Saturated Steam Temperature deg F

 250
 Enthalpy of liquid BTU/Lb

 219
 Enthalpy of vapor BTU/Lb

 1164
 Flashed steam BTU/hr  
 Flashed steam lb per hour

 3840
 Flashed steam quality %

 51



this program is from boilerOptimizer.com

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