As has already been mentioned coal as a boiler fuel tends to be restricted to specialised applications such as water-tube boilers in power stations. Oil burners The ability to burn fuel oil efficiently requires a high fuel surface area-to-volume ratio.
When sizing these openings the total fuel input rate of all fuel-burning devices located in the boiler room must be considered. The Btu rate per hour of all boilers at maximum burning rate plus other devices such as water heaters are used to size air openings
Jun 27 2019 · The boiler is connected to a fuel source to keep the flame burning inside. The inside of a boiler is where it gets tricky to generalize because the mechanical guts and configurations tend to vary by type of boiler and by each manufacturers proprietary technologies.