More accessible BOG management In an LNG fuel tank, fuel evaporation creates pressure and heat that must be relieved – without releasing BOG into the atmosphere. That’s easy on an LNG carrier, which has room for an Alfa Laval Gas Combustion Unit. On other vessels, the choices are less obvious. Fortunately, there’s a simple and cost-effective solution: Managing BOG with Alfa Laval Aalborg dual-fuel boilers. Adding nothing – but removing cost Almost all vessels need boilers for producing steam or for heating thermal oil or water. Since Alfa Laval Aalborg dualfuel boilers can be fired with unpressurized BOG in free flow, they can take on the additional safety function of BOG management – even during a compression train failure. Using Aalborg boilers in this way complies with the International code for Gas as Fuel (IGF). But it also lets you avoid adding costly and space-consuming equipment. As a result, LNG propulsion is cheaper and easier to implement – which makes it feasible for a much wider range of vessels. No detours before inspection Every few years, the boilers bring a further advantage to LNG safety in connection with tank inspection. Unlike engines or gensets, Aalborg dual-fuel boilers can burn the mixture of inert gas and methane produced during gas freeing and subsequent gassing up. That means your vessel can go straight to and from dry dock, rather than visiting an onshore disposal terminal first. Presence means peace of mind With LNG, safety is always first and foremost. When your boilers are as critical for safety as they are for heat, uptime becomes even more important. Rest assured, Alfa Laval knowledge and service expertise are always close at hand. Besides working with LNG safety for decades, Alfa Laval has supplied, optimized and supported marine boilers for 100 years. Our Alfa Laval Aalborg experts are available 24/7 to provide you with remote support, and our dedicated field service organization is standing by worldwide. No matter where you sail, we’ll be there to secure safe and reliable LNG operation. manage the smart way Why manage BOG with Alfa Laval Aalborg dual-fuel boilers? • Possible on any vessel type • Only equipment you already need • No pressurization required to use BOG • No onshore gas disposal at inspection time • Simpler vessel design • Reduced investment cost • Service and support worldwide • More affordable LNG propulsion
Download PDF file