Liquefied natural gas (LNG) loading device suitable for small LNG liquefaction factory

• Main Authors: ZHU SHUYUE, WANG LI, ZHANG QINGZHI, ZHANG HAO, LI BO, LIN SHUQING, WANG SHAOZHONG, YANG HONGJUAN, GUO LEI, ZHANG YI, ZHAO JINLU, FENG XIANGMING, XUE LIYING, WANG FENG
• Format: Patent
• Language: Chinese; English
• Published: 18.08.2023
• Subjects: BLASTING; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PIPE-LINE SYSTEMS; PIPE-LINES; STORING OF DISTRIBUTING GASES OR LIQUIDS; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

The utility model relates to an LNG (Liquefied Natural Gas) loading device suitable for a small-sized LNG liquefaction factory. The device comprises an LNG loading and unloading arm, an LNG liquid inlet pipeline, a BOG (Boil Off Gas) return pipeline, a safe diffusion pipeline, an LNG discharge pipeline, a nitrogen inlet pipeline, a nitrogen purging and emptying pipeline and a flow regulating valve small-flow bypass pipeline. The LNG loading technology and device are developed according to the on-site environment and the using condition of a small-sized liquefaction factory, the LNG loading technology and device are suitable for the working condition of the small-sized liquefaction factory, the loading switching function of the double-tank car can be achieved only through one set of loading process and device, and the cost performance of equipment is improved. 本实用新型涉及一种适用于小型LNG液化工厂的LNG装车装置，所述装置包括LNG装卸臂，LNG进液管线，BOG回气管线，安全放散管线，LNG泄放管线，氮气进气管线，氮气吹扫放空管线，流量调节阀小流量旁路管线。本实用新型根据小型液化工厂现场环境及使用条件，开发一种LNG装车工艺及装置，适用于小型液化工厂工况