• ### Boiler Formulas | Johnston Boiler | Top Quality Boiler ...

P1. Cut-out Pressure Delta. S = 105 80. P2. Cut-in Pressure Delta. S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler water temperature is 338°F.

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• ### (PDF) Boiler Calculations | Michael Dellon - Academia.edu

The losses can be calculated as: L 6 = m& bd h + m& sb hsb + m& atomizing hatomizing (13) m& bd is the mass flow of blowdown water [kg/s] h is the specific enthalpy of saturated water (blowdown water from steam drum) [kJ/kg] m& sb is the mass flow of sootblowing steam hsb is the specific enthalpy of steam used for sootblowing (when leaving the boiler) m& atomizing is the mass flow of

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• ### Energy Required for Water Heating | EGEE 102: Energy ...

Since C p is measured in pounds your mass of water heated should be measured in pounds as well. Thus if you only know the number of gallons you must convert it into pounds. One gallon of water = about 8.3 pounds so multiply number of gallons by 8.3 to determine the weight in pounds. Example 1

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