SRU SERIES WASTE HEAT RECOVERY CALCULATION SHEET
Fuel savings: 13.32%
Project: ABC Company: 150 gpm
Place: Atascadero
Customer: Sid
Date: 06/21/02
Boiler capacity
BTU/hr : 16,790,000
BHP : 400
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: 399
Flue gas outlet temp oF: 87
Flue gas back pressure inH2O: .4857
Water flow gpm : 150
Water inlet temp oF: 60
Water outlet temp oF: 90
Water back pressure psi : 0
Condensate gph : 131
Capacity BHP : 66
Capacity BTU/hr : 2,237,072
Fuel savings: 13.32%