What is the function of air shutters in a burner system?

In a burner system, the primary function of air shutters is to control the amount of primary air that mixes with the gas before combustion occurs. This is crucial because the correct air-to-fuel ratio is necessary to achieve efficient combustion, optimize burner performance, and minimize the production of harmful emissions.

When air shutters are adjusted, they can either increase or decrease the amount of air that enters the burner. An appropriate amount of primary air ensures that there is enough oxygen for complete combustion of the gas, which contributes to a cleaner burning process and better overall efficiency. If the air supply is too high or too low, it can lead to incomplete combustion, increased emissions, or even burner instability.

Therefore, focusing on the precise modulation of air flow enables effective control over combustion characteristics, enhancing safety and efficiency in the operation of the burner system.