Few Ways to Make Your Steam Boilers More Efficient

Over half your energy costs are probably associated with your boiler, so improving steam boilers efficiency is a simple way to save money. You want some excess air as it’s absolutely necessary for the steam boilers combustion process, but you want just the right amount – neither too much, nor too little. Try to find that ideal balance to achieve optimal combustion.

Steam Boilers Efficiency

Steam Boilers Efficiency

Steam Boilers efficiency is a combined result of efficiencies of different components of boilers. A steam boiler has many subsystems whose efficiency affects the overall steam boilers efficiency.

Boiler Efficiency is in general indicated by either Thermal Efficiency or Fuel to Fluid Efficiency depending on the context.

  • Combustion Efficiency – indicates a burners ability to burn fuel measured by unburned fuel and excess air in the exhaust
  • Thermal Efficiency – indicates the heat exchangers effectiveness to transfer heat from the combustion process to the water or steam in the boilers, exclusive radiation, and convection losses
  • Fuel to Fluid Efficiency – indicates the overall efficiency of the boilers inclusive thermal efficiency of the heat exchanger, radiation and convection losses – output divided by input.

Also Read: Combi Boilers

Reducing scales and blowdown to their optimal level is another helpful tip. In each case, there’s an optimal level to help your boiler’s efficiency.

Did you know that just a small increase in scale thickness can increase your boiler’s fuel consumption? So reducing scales even by just a small thickness can really make a noticeable difference and help reduce your energy bills.

You can also make a difference when you regulate your blowdown rate. Too little blowdown leads to the formation of deposits, whilst too many wastes energy. Yet again it is a case of finding your boiler’s optimal level.

Do not forget that a good economizer uses waste heat to pre-heat the feed water going into the boilers and this can help efficiency too.

Also Read: What is a Combination Boiler?


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