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Heating - Boiler - Process heating - Food processing

Template assignment

Base case
  • 2,000 kW natural gas-fired boiler with a seasonal efficiency of 73%
  • Natural gas rate is $8/GJ
  • Process heating equipment runs 24 hours a day, seven days a week during the months of August, September and October; and only half of the time during the other months of the year
Proposed case
  • Two 1,000 kW natural gas-fired boilers with a seasonal efficiency of 82%
  • Process requires saturated steam at 225 kPa; return temperature
    is 80°C
  • Superheated temperature of steam is 124°C
  • Boiler replacement cost is $100/kW of capacity
Solution

The worked-out solution is the data file selected from within the RETScreen Project Database. The user automatically downloads the Project Database file while downloading the RETScreen software.