Where are sup blowers most commonly found?

Sup blowers are devices used to enhance the efficiency of combustion and assist in the removal of combustion byproducts in boilers. They are most commonly found on water tube boilers due to the specific operational requirements of these systems. Water tube boilers utilize a design where the water circulates through tubes heated by the combustion gases. This design requires efficient air delivery and the removal of gases to maintain optimal combustion conditions.

In water tube boilers, the sup blower helps facilitate better airflow which contributes to improved combustion efficiency. The ability to control and optimize the air-fuel mixture is critical for achieving higher thermal efficiencies and reducing emissions. This is especially relevant in high-capacity water tube systems where the demand for steam is significant, making efficient combustion and operational stability paramount.

While sup blowers may not be typically associated with fire-tube boilers, steam engines, or closed feedwater systems, those systems have different design and operational needs that do not prioritize the use of sup blowers for enhancing combustion efficiency.