Cost Savings Analysis

Rectangular Tube Recovery (RTR)

 

Data without a Cain System

  • Combustion source: 55,000 PPH Steam Boiler
  • Heat Sink:Boiler Feedwater
  • Waste Exhaust Temp: 509 °F
  • Water Temp Inlet: 227°F
  • Btu/hr Burner Input: 70,000 Mbtu
  • Fuel Type: Kerosene
  • O2 Content: 2.95%
  • Excess Air: 15%
  • Fuel Cost Per Therm: $0.70
  • Annual Operating Hours: 4,000

Performance with a Cain System

  • Boiler Feedwater Flow : 118 GPM
  • Final Exhaust Temp: 343°F
  • Water Temp. Outlet: 276 °F
  • Water Pressure Drop: 0.87 PSIG
  • Exhaust Pressure Drop: 0.68 WC"
  • Btu/hr Recovered: 2,781,000
  • Total Cost: $45,009
  • Payback: 5.6 months
  • Annual Return On Investment: 215%
  • Annual Savings: $96,816