Intermittent Combustion and Boiler Efficiency

Reduced efficiency by intermittent boiler operation

The boiler combustion efficiency is reduced by

  • energy losses in the flue gas during operation - either by unburned fuel with the excess of fuel or by heating more air than necessary with the excess of air
  • radiation and convection loss from the exterior surface of the boiler during constant or intermittent operation

The energy loss due to radiation and convection will increase with intermittent operation and reduced combustion time as expressed in the diagram below:

intermittent combustion boiler efficiency

Related Topics

  • Combustion - Boiler house topics - fuels like oil, gas, coal, wood - chimneys, safety valves, tanks - combustion efficiency

Related Documents

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