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混合制冷剂液化天然气流程中 ,涉及到很多设备。文中介绍了压缩机、膨胀机和节流阀、分离器、混合器、多股流换热器这五类设备的热力学状态的计算方法 ,并与国外流程计算中的相应模块计算结果相比较 ,模拟结果十分接近 ,从而表明所进行的设备热力学状态模拟是正确的
Mixed refrigerant liquefied natural gas processes involve a lot of equipment. In this paper, the calculation methods of the thermodynamic state of five kinds of equipment such as compressor, expander, throttling valve, separator, mixer and multi-flow heat exchanger are introduced. Compared with the calculation results of the corresponding modules in the abroad flow calculation, The simulation results are very close, which shows that the simulation of the thermodynamic state of the equipment is correct