| 天然气液化工艺的相平衡计算 |
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| 引用本文： | 李佩铭,焦文玲,管胜强. 天然气液化工艺的相平衡计算[J]. 能源工程, 2007, 0(3): 20-23 |
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| 作者姓名： | 李佩铭 焦文玲 管胜强 |
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| 作者单位： | 哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150090;哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150090;哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150090 |
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| 摘 要： | 天然气液化流程广泛采用的是丙烷预冷混合制冷剂液化流程.为了进一步优化流程,减少能源的消耗,需要对整个流程进行模拟,而模拟过程中热力学参数的计算便是整个流程计算的基础.使用两种状态方程（SRK和PR方程）对热力学参数进行相平衡计算,为后续计算焓、熵等参数提供相应的解决办法,并判断选择的状态方程是否符合要求.
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| 关 键 词： | 天然气 液化流程 状态方程 相平衡计算 |
| 文章编号： | 1004-3950（2007）03-0020-04 |
| 修稿时间： | 2007-03-16 |
Calculation on vapour-liquid equilibrium in liquefied flow of natural gas |
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| LI Pei-ming,JIAO Wen-ling,GUAN Sheng-qiang. Calculation on vapour-liquid equilibrium in liquefied flow of natural gas[J]. Energy Engineering, 2007, 0(3): 20-23 |
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| Authors: | LI Pei-ming JIAO Wen-ling GUAN Sheng-qiang |
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| Affiliation: | School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China |
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| Abstract: | MRC is widely used for liquefied flow of natural gas. In order to optimize flow further and reduce energy consumption, the whole flow is needed to be simulated. And, the calculation of thermodynamics parameters in the flow is the foundation of the whole calculation. Two state equations were adopted to calculate the equilibrium of thermodynamics parameters, which provided corresponding results to calculate enthalpy and entropy, etc. Meanwhile, the exactitude of the two state equations was estimated. |
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| Keywords: | natural gas liquefied flow state equation vapour-liquid equilibrium calculation |
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