provide air around burners for obtaining optimum combustion
transport and dry the coal
convert CO (formed in lower zone of furnace) into C02 at higher zone
air delivered by forced draft fan
has high heating value
retards electric precipitation
promotes complete combustion
has highly corrosive effect
keep the burner tips cool
aid in proper combustion
cause sputtering, possibly extinguish¬ing flame
clean the nozzles
prevent the bulging of flat surfaces
avoid explosion in furnace
prevent leakage of hot flue gases
support furnace freely from top
heating the oil in the settling tanks
cooling the oil in the settling tanks
burning the oil
suspension