Types of Marine Steam Boiler
a Water Tube Boiler b Fire Tube Boiler /
Smoke Tube Boiler /
Tank Boiler /
Donkey Boiler
Water Tube Boiler – Foster Wheeler
Construction & Operation
High Pressure Boiler
Used as a Main Boiler
It is used to supply steam
to Turbine (ME), COPT, etc
Smoke Tube Boiler / Fire tube Boiler / Tank Boiler / Donkey Boiler
Cochran (Vertical )
(Composite with ME Exhaust Gas Boiler)
Construction &Operation
Low Pressure Boiler
Used as an Auxiliary Boiler
It is used to supply Steam
to F.O. Heater, F.O Tank
Heating, etc
Waste Heat Recovery Boilers /
Exhaust Gas Heat Exchanger /
Exhaust Gas Boiler /
Exhaust Gas Economiser
Diesel Engine Exhaust Gas is used to generate Steam
i.e. Heat from the Exhaust Gas (Waste Heat Energy) is recovered
Plant Efficiency is Improved
(i)Composite Cochran Boiler
(Smoke Tube Boiler composite with M.E Exhaust Gas boiler)
(shown in previous slide)
(ii) Water Tube Boiler combined with M.E Exhaust Gas Boiler
(shown in next slide)