What is the gas consumption of the gas boiler

Question details (performance) :

As a high quality, efficient and clean fossil fuel, natural gas has been widely used in all fields of national life and production. Some experts believe that the 21st century will be the era of natural gas. With the expansion of the coverage of natural gas pipelines, the sales volume of gas boilers will continue to increase. So, what is the gas consumption of gas-fired boilers? What is the calculation formula for gas consumption of gas-fired boilers?

There are many fuels for gas boilers: natural gas, methane, coke oven gas, blast furnace gas, etc. But we usually focus on natural gas. The calculation formula of natural gas boiler generally adopts the following formula:

Gas consumption of gas boiler for one hour = gas boiler power *3600s/ fuel calorific value/thermal efficiency

We know that a ton of gas-fired boiler equals 0.7MW and an hour equals 3600s. Taking WNS1-1.25-Q produced by ZOZEN group as an example, the calorific value of natural gas is generally between 32.88 mj/m3-39.82 m/m3. we take the median value of 37M]/M3, and the thermal efficiency of gas-fired boilers produced by ZOZEN group can reach 92%. Then the formula can be obtained:

Consumption of 1 ton gas boiler: 0.7MW*3600S/37MJ/920/0=74M3/h

The gas consumption of a 1-ton gas-fired boiler is about 74M3, which is not an absolute figure, because it can be seen from this formula that the gas consumption of a gas-fired boiler is related to the heat value of natural gas as well as the thermal efficiency of the furnace. Therefore, when we choose and buy gas boilers, we must choose and buy natural gas fuel with high calorific value and gas boilers with high thermal efficiency. Only by combining the powerful can the operating cost of gas boilers be reduced to a lower level.