On Natural Gas's Storage

The peak shaving function for the links in storage chain and the gas supply reliability become more and more important with the increment of gas consumption year by year: It describes the two storage methods of natural gas (gaseous form and liquid form), the basic guidline in tank construction (safety and economy land the decision method of storage volume; it introduces the features and applicable conditions for underground and/or aboveground tanks in handling the natural gas with gaseous form. It points out that the metal of LNG tank has to provide a low-temperature toughness (around -162 ℃) and a smaller thermal coefficient of expansion, and this kind of tank should provide a perfect thermal insulation and thorough protective measures. The paper describes all kinds of LNG tanks and puts forward some suggestions for the construction and development of these tanks.