状态方程法液化天然气相平衡计算  

Calculation of LNG Phase Equilibriumby Equation of State Method

作　　者：宿敬群 包培哲 李宇轩 SU Jingqun;BAO Peizhe;LI Yuxuan

机构地区：[1]吉林市大地技术咨询有限公司,吉林吉林132011

出　　处：《煤气与热力》2022年第9期V0021-V0024,共4页Gas & Heat

摘　　要：应用非均相系统相平衡理论,分析了液化天然气的相平衡关系。针对求解系统压力和气相组成的工况、求解系统温度和液相组成的工况,给出了计算流程和初值的确定方法。实例验证表明此方法可行。The phase equilibrium relationship of LNG is analyzed by applying the phase equilibrium theory of heterogeneous system.The calculation flow and the determination method of the initial value are given for the working conditions of solving the system pressure and gas phase composition,and the working conditions of solving the system temperature and liquid phase composition.The example validation shows that this method is feasible.

关 键 词：液化天然气 相平衡 系统压力 系统温度 

分 类 号：TE821[石油与天然气工程—油气储运工程]