Daily Energy saving tips (Optimum Boiler Efficiency load)

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Optimum Boiler Efficiency load

Optimum boiler efficiency occurs at 65%–85% of full load. As the steam demand falls, so does the value of the mass flow rate of the flue gases through the tubes. This reduction in flow rate for the available heat transfer area helps to reduce the exit flue gas temperature by a small extent, reducing the sensible heat loss. However, at below 50% load, most combustion appliances need more excess air to burn the fuel completely, and this would increase the sensible heat loss. Operation of a boiler at low loading should be avoided.

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Magdy Aly

Energy manager, Energy efficiency consultant Passionate to help others to save Energy and Environment.

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