The spherical tank is the storage of liquefied gases, and one of the commonly used pressure vessel, in the petroleum, chemical, metallurgical and city gas supply and so widely used.

Explosion accidents of storage vessel for liquefied gas and fuel may be reduced or avoided by packing the vessel with porous materials.

Liquefied natural gas (LNG) as an application mode of natural gas, it has a very distinct superiority in natural gas storage and transportation.