PA Fans, ID Fans, Draught Fans, FD Fans, SA Fans in ...
Jan 10, 2017 · The main function of the Primary air fan or PA fan is to carry the pulverized coal to the furnace as fuel for combustion. This process is used to create the steam that is the primary process in the thermal power plant. In power plants, the PA fans supply air for conveying of the pulverized coal from coal mills to the furnace area.