小型LNG气化站预冷方法对比分析

Comparative Analysis on Precooling Methods for Small LNG Vaporizing Station

介绍小型LNG气化站预冷的目的,阐述小型LNCG气化站4种预冷方法(氮气、液氮分阶段预冷,液氮顶部进液预冷,液氮底部进液预冷,氮气、液化天然气分段预冷)的主要步骤和应用效果。对比分析4种预冷方法的优缺点。

The purpose of precooling of small LNG vaporizing station is introduced,and the main steps and application effects of four precooling methods(nitrogen and liquid nitrogen precooling in stages,liquid nitrogen precooling at the top,liquid nitrogen precoolng at the bottom,and nitrogen and liquefied natural gas precooling in stages)for small LNG vaporizing station are described.The advantages and disadvantages of the four precooling methods are compared and analyzed.