No Nonsense Water Treatment – Exchangers
Evaporation is a change in state from a liquid to a vapor. This assuming a constant pressure this change in state requires an input of energy ( BTU’s ). A British Thermal Unit ( BTU ) is the amount of heat required to raise 1 pound of water 1 degree F
1 TN of refrigeration = 12000 btu
12000 / 970 = 12.37 pounds of water that will be evaporated.
12.37 / 8.34 pounds in 1 gallon of water = 1.48 or about 1.5 gallons of water evaporated per TN of refrigeration on line.
1 boiler HP = 34.5 pounds of steam ( evaporation ) / Hr.
34.5 pounds x 970 btu / Lb. = 33465 BTU / Hr. required at 1 PSI
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