丙烷预冷混合制冷剂液化流程中原料气与制冷剂匹配研究

赵敏; 厉彦忠

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丙烷预冷混合制冷剂液化流程中原料气与制冷剂匹配研究

更新时间：2025-07-09

- 丙烷预冷混合制冷剂液化流程中原料气与制冷剂匹配研究
- Analysis for Selecting Mixed Refrigerant Composition Based on Raw Natural Gas in Propane Pre-Cooled Mixed Refrigerant Liquefaction Process
- 西安交通大学学报 2010年44卷第2期页码：108-112
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2009-07-10. 作者简介: 赵敏(1972-),女,博士生;厉彦忠(联系人),男,教授,博士生导师. 基金项目: 长江学者和创新团队发展计划资助项目(IRT0746)
- DOI：
  中图分类号： TE6
- 网络首发：2010-02-10，
  
  纸质出版：2010
- 稿件说明：
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赵敏, 厉彦忠. 丙烷预冷混合制冷剂液化流程中原料气与制冷剂匹配研究[J]. 西安交通大学学报, 2010,44(2):108-112.

Analysis for Selecting Mixed Refrigerant Composition Based on Raw Natural Gas in Propane Pre-Cooled Mixed Refrigerant Liquefaction Process[J]. 2010, 44(2): 108-112.
赵敏, 厉彦忠. 丙烷预冷混合制冷剂液化流程中原料气与制冷剂匹配研究[J]. 西安交通大学学报, 2010,44(2):108-112. DOI：

Analysis for Selecting Mixed Refrigerant Composition Based on Raw Natural Gas in Propane Pre-Cooled Mixed Refrigerant Liquefaction Process[J]. 2010, 44(2): 108-112. DOI：

摘要

针对高、中、低3种压力和2种成分组合而成的6种原料天然气

利用Aspen HYSYS流程模拟软件对丙烷预冷混合制冷剂液化流程(PPMR)进行了模拟研究

考虑了混合制冷剂高低压变化、混合制冷剂组分改变

从中获得了制冷剂组分与原料天然气C

-T热力性质以及混合制冷剂高低压之间的相互关系.混合制冷剂组分的选择依赖于原料天然气C

-T热力性质

而混合制冷剂高低压会影响制冷剂组分和流量.6种原料天然气在不同混合制冷剂高低压下的PPMR流程比功耗的比较结果表明:原料天然气的C

-T性质是决定整个PPMR流程的功耗高低的关键因素

而混合制冷剂组分和高低压对系统功耗影响较弱.对于某一固定原料气

混合制冷剂的组分和高低压应当根据原料天然气进行合理选取以避免不必要的能耗增加.

Abstract

For six raw natural gases

the mixed refrigerant composition in propane pre-cooled mixed refrigerant(PPMR)process for liquefying natural gas is investigated under three kinds of high and low pressures of mixed refrigerant. It is found that the choice of mixed refrigerant composition depends on the specific heat(C

)property of raw natural gas

while the high and low pressures of mixed refrigerant influence its composition and flowrate. Based on this

the energy consumption of PPMR process is compared for the above eighteen cases

and it is shown that the specific heat property of raw natural gas plays a key role in reducing the whole system energy consumption rather than the high and low pressures of mixed refrigerant or its composition. For a certain

feed natural gas

the composition and pressure of mixed refrigerant should be selected appropriately to avoid the unnecessary increase of energy consumption.

关键词

Keywords

references

BAILOUT N C, PRICE B C. Comparison of present day peakshaving liquefaction technologies[C]∥8th Topical Conference on Natural Gas Utilization. Washington DC, USA: American Chemical Society, 2008: 101-118.

MOKHATAB S,ECONOMIDES M J. Process selection is critical to onshore LNG economics[J]. World Oil, 2006, 227(2): 95-96.

WILKES M A. Floating LNG liquefaction facilities using the optimized cascade process[C]∥8th Topical Conference on Natural Gas Utilization. Washington DC, USA: American Chemical Society, 2008: 91.

SHI Y, GU A, WANG R, et al. Optimization analysis of peakshaving cycle to liquefy natural gas[C]∥ICEC 20: Proceedings of the Twentieth International Cryogenic Engineering Conference. Oxon, England: Elsevier Science, Ltd., 2005: 741-744.

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顾安忠,鲁雪生,汪荣顺,等. 液化天然气技术[M]. 北京: 机械工业出版社, 2003: 54-63.

YANG X D, GU A Z, XI W K, et al. Comparison study on small-scale LNG plants in China[C]∥8th Topical Conference on Natural Gas Utilization. Washington, DC, USA: American Chemical Society, 2008: 128-136.

石玉美,汪荣顺,顾安忠. 流程参数对C3/MRC天然气液化流程性能的影响(上)[J]. 天然气工业, 2004, 24(2): 88-90.

SHI Yumei, WANG Rongshun, GU Anzhong. Influence of parameters on C3/MRC process performance of natural gas liquefaction(1)[J]. Natural Gas Industry, 2004, 24(2): 88-90.

石玉美,汪荣顺,顾安忠. 流程参数对C3/MRC天然气液化流程性能的影响(下)[J]. 天然气工业, 2004, 24(3): 111-114.

SHI Yumei, WANG Rongshun, GU Anzhong. Influence of parameters on C3/MRC process performance of natural gas liquefaction(2)[J]. Natural Gas Industry, 2004, 24(3): 111-114.

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