Solid Fuel-Fired Systems

In solid fuel-fired systems, combustion is achieved by supplying air to the combustion system. Increasing the temperature of the supplied air directly affects combustion efficiency.
The high flue gas temperature generated after combustion is utilized by a recuperator to preheat the fresh combustion air, which:

Increases combustion efficiency

Provides fuel savings

Gas-Fired Systems

In gas-fired systems, the boiler feed water is additionally heated by utilizing waste flue gases through an economizer.
This method enables fuel savings by recovering waste heat.