SRU SERIES WASTE HEAT RECOVERY CALCULATION SHEET
Fuel savings: 14.16%
Project: ABC Company...................................................................: 300 gpm
Place: Atascadero
Customer: Sid
Date: 06/21/02
SRU type..........................................................................................: 40
Heating surface .......................................................................(sq.ft.): 3,094
Gas consumption ..................................................................(cu.ft/hr): 16,772
Excess air.........................................................................................: 1.1
CO2 flue gas...................................................................................%: 10.2
Combustion air temperature..............................................................oF: 68
Flue gas flow....................................................................... (cu.ft./hr) : 198,062
Flue gas inlet temp........................................................................(oF): 400
Flue gas outlet temp......................................................................(oF): 60
Flue gas back pressure ............................................................in H2O: 0.4611
Water flow................................................................................. (gpm): 300
Water inlet temp...............................................................................oF: 60
Water outlet temp.............................................................................oF: 76
Water back pressure.....................................................................(psi) :0
Condensate...................................................................................(gph): 145
Capacity......................................................................................(BHP): 70
Capacity...................................................................................(BTU/hr): 2,376,952
Reduced CO2 emissions..................................................................lb/hr: 280
Fuel savings:........................................................................................14.16%