Boiler Efficiency is a term which establishes a relationship between
energy supplied to the boiler and energy output received from the
boiler. It is usually expressed in percentage. As a general rule,
Boiler efficiency (%) = heat exported by the fluid (water, steam) / heat provided by the fuel x 100.
Types of Boiler Efficiency
The efficiency of a boiler may be classified into following three major types:
Boiler efficiency (%) = heat exported by the fluid (water, steam) / heat provided by the fuel x 100.
Types of Boiler Efficiency
The efficiency of a boiler may be classified into following three major types:
- Combustion Efficiency
- Thermal Efficiency
- Fuel-to-Steam Efficiency
Amongst all the three above mentioned boiler efficiencies, the fuel-to-steam efficiency is considered to give the most accurate representation of boiler efficiency on the whole. This is due to the fact that fuel-to-steam efficiency takes into account, the radiation and convection losses while performing efficiency calculations. Typically, it is the job of the boiler manufacturer to define boiler efficiency so that any type of economic analysis could be done properly.
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