Double Containment Tank Lng

For more than half a century mcdermott has focused on providing superior solutions for liquefied natural gas lng storage.

Double containment tank lng.

The majority of lng storage tanks built in the last 10 years worldwide have been designed as full containment tanks. Our projects comprise more than 200 lng storage tanks throughout the world including the world s first double wall storage and full containment tanks. Lng storage tanks have double containers where the inner contains lng and the outer container contains insulation materials. The full containment tank is regarded as the most advanced type.

The majority of large lng storage tanks built in the last 20 years worldwide have been designed as full containment tanks. In lng storage the pressure and temperature within the tank will continue to rise. A full containment tank is a double containment tank in which the annular gap between the outer and inner tanks figure 4. Full containment tank a full containment tank is a double containment tank in which the annular gap between the outer and inner tanks is sealed figure 3.

Full containment tank is described as a double tank designed and constructed so that both the inner tank and the outer tank are capable of independently containing the refrigerated liquid stored. In all cases there is secondary containment in the event of a spill and the differences between the types is mostly in the method of secondary containment. In this tank the secondary container is liquid and vapour. The tank design has a freestanding 9 nickel inner tank an outer tank made of either prestressed concrete or reinforced concrete.

Lng is a cryogen and is kept in. Our ability to heat trace and insulate make these tanks perfect for temperature sensitive chemicals. Page 4. Tanks vary greatly in size depending on usage.

Available in various sizes with capacities all the way up to 200 000 m 3 53 000 000 gallons these full containment storage tanks have been built to international standards. In this tank the secondary container is liquid and. Double wall tanks imt provide the best protection against hazardous chemical spills into the environment. Inner tank dome overlaps outer tank sidewall to prevent rainwater snow and debris from entering into the containment basin.

2016 our company was awarded the 2x10 000m3 lng dual metal full containment. Full containment lng storage tanks with our engineers our onsite fabricated full containment lng storage tanks have been operational globally. The most common tank type is the full containment tank.