Heat Balance Calculator

  lbs/hr Select Calculation Type
lbs/hr Fluegas % of Total
O2% Air Heater
F Bypass lbs/hr
  lbs/hr F
% O2 lbs/hr
% Brnr Rls Duty
MM Btu/hr     F
Firing Rate
MM Btu/hr F F
% ExAir
lbs/hr ACFM
System Efficiency, %

Type of fuel

For Gas Fuel, Input Composition, mole %
CH4 = C6H14 = C2H4 =
C2H6 = CO = C3H6 =
C3H8 = H2 = N-C4H8 =
N-C4H10 = N2 = C6H6 =
I-C4H10 = CO2 = H2O =
N-C5H12 = C = O2 =
I-C5H12 = S = H2S =

For Liquid Fuel, Input Weight Percent Units
Sulphur = Hydrogen = Carbon =
Nitrogen = Oxygen = Water =
Lower Heating Value, Btu/lb =
Fuel Temperature, F =
Fuel Sp. Ht., Btu/lb-F =
Atomizing Medium
Air/Steam psig = Injection Rate =

Air Input As

Input Composition, mole %
Nitrogen, N2 = Oxygen, O2 =
Carbon Dioxide, CO2 = Water, H2O =
Argon, Ar = Sulphur Dioxide, SO2 =
Carbon Monoxide, CO =
Elevation, ft =
Relative Humidity, % =
Note: If input as dry, Rel. Humidity used to compute water.
If wet, then Rel. Humidity not used, and water must be input.

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