September 2019 – 5th LNG & Clean Marine Fuel Forum – Singapore
On September 2019 in Singapore was officially presented the Heat Recovery System designed by PMSC S.A. and engineered by Viking Airtech Ltd.
The occasion was the 5th LNG & Clean Marine Fuel Forum – Fuel for Cleaner Shipping held in Singapore.
Abstract of the presentation:
The use of LNG as bunker on board commercial vessel is increasing, both considering the number of ship converted or built “on purpose” and the number of ships ordered as “LNG Ready”.
One of the main characteristic of LNG is the cryogenic temperature at liquid phase, that even if the storage pressure rises, it’s always very low.
Both Dual Fuel Engines and Pure Gas Engines need to be fed with vaporized Natural Gas at a given temperature (normally well above 20°C).
This means that the LNG stored on board in the liquid phase, must be vaporized and heated up. To vaporize LNG to the required characteristics, a certain quantity of heating energy is needed.
On board commercial vessel there are plants that require cooling media to cool them down during operation and having on board abundant cold energy liquid that need to be vaporized and heated up drives the idea to use the heating needs of LNG to cool down those plants that require controlled cold energy to work properly.
The paper will describe an cold energy recovery system that vaporizes and heats up the LNG for feeding the engine, and utilizes the cooled down heat exchange media as cooling agent for air conditioning & refrigerating Plants.
The proposed LNG Energy Recovery System has been approved in principle by DNV-GL for use on board vessel according to IMO – IGC & IGF Codes.
To have a copy of the presentation text please click here