Boiler efficiency calculation Formula

Boiler efficiency is calculated by the following formula:


Ws: KG in evaporation / h,
Is A: Of the Steam Entralpy Kcal / KG
Iw: Entralpy Of Water feed added Kcal / KG
the Hu: the Low Heat VALUE Of Fuel Kcal / KG
the Wf: the Fuel Consumption KG / h,.