| I-O Sheet | Blr Eff @ Tested AH Lkg | Blr Eff @ Design AH Lkg |
                                               
                                               
    Plant…………….   Performance at Tested Air Heater Leakage   Performance at Design (or other) Air Heater Leakage  
    Unit……………..      
    Location………..      
    Date……………..   Furnace Data @ Tested AH Leakage:   Furnace Data @ Design (or other) AH Leakage:  
            Heat Input     MBtu/hr   Heat Input     MBtu/hr  
    Fuel Data:   Blend Coal A Coal B Units   Steam Flow     pph   Steam Flow     pph  
        Blend Fraction     Fuel Flow     pph   Fuel Flow     pph  
      Carbon C %   Total Air Flow     pph   Total Air Flow     pph  
      Hydrogen H2 %   Furnace Excess Air     %   Furnace Excess Air     %  
      Sulfur S %   Wet Gas Flow Leaving Furnace     pph   Wet Gas Flow Leaving Furnace     pph  
      Oxygen O2 %   Air Heater Exit Gas Data @ Tested AH Leakage:   Air Heater Exit Gas Data @ Design (or other) AH Leakage:  
      Nitrogen N2 %   Excess O2   (% by Vol) %   Excess O2   (% by Vol) %  
      Moisture H2O %   Excess O2 Measurement Basis:   1 = Wet,   0 = Dry     Excess O2 Measurement Basis:   1 = Wet,   0 = Dry    
      Ash   %   AH Gas Exit Temp Corrected (Measured) OF   AH Gas Exit Temp Corrected (Measured) OF  
      Other   %   AH Gas Exit Temp Uncorrected (ie, No Leakage) OF   AH Gas Exit Temp Uncorrected (ie, No Leakage) OF  
      Total:   0.00 %   To correct the efficiency for "Uncorrected AH Gas       To correct the efficiency for "Uncorrected AH Gas      
      HHV   Btu/lbm   Out Temp"  enter "1" at right.  If not, leave blank.     Out Temp"  enter "1" at right.  If not, leave blank.      
    Moisture in Air   (lb/lb dry air)   Air Heater Leakage (pph)   pph   Air Heater Leakage (pph)   pph  
    Additional Moisture (lb/100lb fuel)   Air Heater Leakage (%) (Mass Method)   %   Air Heater Leakage (%) (Mass Method)   %  
    Air, Gas & Fuel Temperatures:   Air Heater Leakage (%) O2 Method)   %   Air Heater Leakage (%) O2 Method)   %  
    Calculation Reference Temp   OF   Wet Gas Flow Leaving AH (pph)       pph   Wet Gas Flow Leaving AH (pph)    pph   
    FD Fan Inlet Air Temp   OF   Wet Gas Flow Leaving AH (acfm)       acfm   Wet Gas Flow Leaving AH (acfm)        acfm   
    Fuel Temperature (Default = Tref) OF   Flue Gas Constituents:   (% by Volume)     Flue Gas Constituents:   (% by Volume)    
    Boiler Efficiency Losses, Manual Input:     Oxygen (O2)   %     Oxygen (O2)   %  
    Radiation and convection  (Default = .17) %     Carboc Dioxide (CO2)   %     Carboc Dioxide (CO2)   %  
    Unaccounted for losses (Default = 0.50) %     Sulfur Dioxide (SO2)   %     Sulfur Dioxide (SO2)   %  
    Ash Data:     Moisture (H2O)   %     Moisture (H2O)   %  
    Ash Location Ash Split LOI     Nitrogen (N2)   %     Nitrogen (N2)   %  
    (%) (%)     Total     %     Total     %  
    Bottom Ash            
    Economizer Ash       Boiler Efficiency Heat Losses @ Tested AH Leakage:   Boiler Efficiency Heat Losses @ Design (or other) AH Leakage:  
    Air Heater Ash         Loss due to Dry Gas   %   Loss due to Dry Gas   %  
    Precipitator Ash       Loss due to H2 & H2O in Fuel   %   Loss due to H2 & H2O in Fuel   %  
    Baghouse Ash         Loss due to Moisture in Air   %   Loss due to Moisture in Air   %  
    Dust Collector Ash       Loss due to Unburned Combustibles   %   Loss due to Unburned Combustibles   %  
    Total Ash     (Must Total 100%)     Loss due to Radiation   %   Loss due to Radiation   %  
    Economizer Exit Gas Data:   Manufacturer's Margin & Unaccounted   %   Manufacturer's Margin & Unaccounted   %  
    Excess O2 up to 8.0%, OR Excess Air         %   Total Heat Losses   %   Total Heat Losses   %  
    O2 Measurement Basis:  1 = Wet,  0 = Dry           Boiler Efficiency       %   Boiler Efficiency       %  
    Fuel Flow Determination Data:        
    For total fuel flow determination enter at least one of the   NOTES:                        
    following groups:             yellow/red cells are for input data, to be completed by user.      
    Group A:  Enter Fuel Flow         pph          
    OR     Design (or other) data set does not need to be completed.  It is just available for comparison.      
    Group B:  Enter Heat Input         MBtu/hr     Fuel flow and heat input are not used to calculate boiler efficiency, but are necessary for calculation of air and gas flows.  
    OR      
    Group C:  For non-reheat units, enter all of the following:     Fuel Flow determination will attempt to access Group A data first, Group B data second, and Group C data last.  
      Steam Flow     pph      
      Steam Enthalpy   pph     Heat Input determination will attempt to access Group B data first, Group A data second, and Group C data last.  
      Feedwater Enthalpy   pph      
                                               
             

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