System of LNG gas station

The utility model provides a system of LNG gas station, includes storage tank, the pump pond that links to each other with the liquid outlet of this storage tank and the liquid adding machine who links to each other with the liquid outlet in this pump pond, this liquid adding machine's the inlet that returns liquid mouth and this storage tank links to each other, still include: indirect heating equipment, its cluster is established between the liquid outlet in this pump pond and this liquid adding machine's inlet to the cluster is established between the inlet of this liquid adding machine's time liquid mouth and this storage tank, is used for realizing the liquid of this storage tank and the heat exchange between the feed liquor. The utility model discloses be favorable to long -time safe preserve of LNG in the storage tank. 种LNG加气站系统，包括储罐、与该储罐的出液口相连的泵池以及与该泵池的出液口相连的加液机，该加液机的回液口与该储罐的进液口相连；还包括：热交换设备，其串设在该泵池的出液口与该加液机的进液口之间，并串设在该加液机的回液口与该储罐的进液口之间，用于实现该储罐的出液与进液之间的热交换。本实用新型有利于LNG在储罐内的长时间的安全保存。