how to calculate fuel for heating boiler

How to calculate the gas consumption of the gas boilers ...

Sep 12 2019 · Gas consumption = Gas boiler power /Fuel calorific value / Gas boiler heat value utilization. For example we operate 1 ton gas boiler for 1 hour (full load). The boiler output is 600000 kcal (fixed value) the natural gas calorific value is 36.22 MJ/Nm3 (fixed value) and the thermal efficiency is 92% (non-fixed value).

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