Marine auxiliary boiler is only used in port and the exhaust boiler caters for all heating and steam needs while at sea. Generally if the burner routines are carried out religiously and the filters are cleaned, there is no major maintenance or routine that needs to be doneIn this article the author is relating a problem faced on one ship and the troubleshooting done.
Scenario
One day the boiler shut down after flame failure alarm came. After many futile attempts to restart the boiler on HFO, the boiler was changed over to diesel and manually fired. The auto firing mode was non operational and the FO pressure low alarm was coming and fuel pumps stopping.
The following checks were done that helped to restart the boiler:
- Correct pressure setting of the boiler: Generally the Fuel Oil pressure at the burner must be between 2 to 4 bars. In case the pressure is too high more fuel will be sent and the air fuel ratio disturbed. Less fuel pressure will give a lean
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What To Do During Marine Auxiliary Boiler’s Flame Failure or Fuel Pump Tripping?
What To Do During Marine Auxiliary Boiler’s Flame Failure or Fuel Pump Tripping?
