[1], the heating surface of the furnace is also very different, due to more complex, in this is not explained in detail.
[2] the burner equipped with oil-fired boiler must have oil materializers, while the burner equipped with gas-fired boiler does not need materializers.
[3] oil-fired boilers use burners. In coal-fired boilers, there are combustion methods such as fixed grate, pulverized coal boiler and ebullition furnace.
[4] oil-fired boilers generally have no embers, and the burning exhaust gas is discharged through the chimney.And coal burning boiler has ash bucket, dredge machine to wait commonly
Ash removal facility.
