Roof Top Burners are mainly found in big boilers of tanker. they are slowly replacing the horizontal burners due to following reasons:
- Increased efficiency due to the longer length allowed for the flame giving more time for complete combustion. This also allows more heat to be released as radiant rather than convective cutting down the required number of screen wall generating tubes.
- The longer period allowed for complete combustion means that less excess air is required, this has the knock on effect of lowering the Dew Point of the flue gasses.
- Better gas flow.
- Better flame propagation
- Maximum utilization of heat
- Easy maintenance
- Lower furnace exit gas temp