LNG储罐日蒸发率测量方法及计算

Measuring method and calculation of the evaporation rate for LNG storage tank

日蒸发率是衡量LNG储罐绝热性能的重要指标,有效了解储罐日蒸发率,将有利于LNG储罐安全运行的维护。结合储罐日蒸发率的定义和标准,根据实际操作情况,给出了几种测量LNG储罐日蒸发率的方法及其计算公式,并论述了各种测量方法的适用性和工艺条件。

The evaporation rate is an important index of the insulation performance for LNG storage tank, and it is beneficial to better understand the evaporation rate for safe operation for LNG storage tank. Combined with the definition and standard of the evaporation rate of storage tank, and based on the actual operation situations, several measuring methods and calculation formulas of the evaporation rate for LNG storage tank were given in this paper, and the applicability and technological conditions of different measuring methods were also discussed.