Conceptual design， simulation and analysis of novel AP-X<sup>TM</sup> system integrated with NGL recovery process for large-scale LNG plant

WANG Shaojing; LIU Linlin; ZHANG Lei; DU Jian; WU Kaiyi

doi:10.11949/j.issn.0438-1157.20181212

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Conceptual design， simulation and analysis of novel AP-X^TM system integrated with NGL recovery process for large-scale LNG plant

Process system engineering | 更新时间：2026-07-24

- Conceptual design， simulation and analysis of novel AP-X^TM system integrated with NGL recovery process for large-scale LNG plant
- CIESC Journal Vol. 70, Issue 2, Pages: 508-515(2019)
- 作者机构：
  
  大连理工大学化工学院，化工系统工程研究所，辽宁大连 116024
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20181212
  CLC： TE 645
- Received：16 October 2018，
  
  Revised：2018-10-30，
  
  Online First：16 June 2020，
  
  Published：05 February 2019
- 稿件说明：
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王少靖, 刘琳琳, 张磊, 都健, 吴恺艺. 集成NGL回收的新型天然气液化系统AP-X^TM的概念设计与模拟分析[J]. 化工学报, 2019, 70(2): 508-515 DOI: 10.11949/j.issn.0438-1157.20181212.

WANG Shaojing, LIU Linlin, ZHANG Lei, DU Jian, WU Kaiyi. Conceptual design， simulation and analysis of novel AP-X^TM system integrated with NGL recovery process for large-scale LNG plant[J]. CIESC Journal, 2019, 70(2): 508-515 DOI: 10.11949/j.issn.0438-1157.20181212.
王少靖, 刘琳琳, 张磊, 都健, 吴恺艺. 集成NGL回收的新型天然气液化系统AP-X^TM的概念设计与模拟分析[J]. 化工学报, 2019, 70(2): 508-515 DOI: 10.11949/j.issn.0438-1157.20181212. DOI：

WANG Shaojing, LIU Linlin, ZHANG Lei, DU Jian, WU Kaiyi. Conceptual design， simulation and analysis of novel AP-X^TM system integrated with NGL recovery process for large-scale LNG plant[J]. CIESC Journal, 2019, 70(2): 508-515 DOI: 10.11949/j.issn.0438-1157.20181212. DOI：

摘要

为提高液化天然气能量集成与设备共用水平

提出了一种基于大型AP-X

液化流程，综合气体过冷技术（GSP）的集成NGL（天然气凝液）回收工艺的天然气液化系统的概念设计。基于化工流程模拟软件Aspen HYSYS进行模拟和分析，将集成工艺多流股换热器性能、全流程的单位功耗和乙烷回收率作为衡量系统性能的三项指标。模拟和分析的结果表明，集成NGL回收的AP-X

液化工艺单位功耗降低至0.45 kW·h·(kg LNG)

-1

，较单产系统能耗降低了6%，同时乙烷回收率达到93%，实现了NGL的高效分离。通过热力学分析、㶲分析和经济性分析得出本设计流程具有较高的性能和经济价值，可为天然气液化工艺的集成设计和技术改造提供指导借鉴。

Abstract

To improve the energy integration and equipment sharing level of LNG

a conceptual design of natural gas liquefaction system based on large-scale AP-X

liquefaction process and integrated gas subc

ooling technology (GSP) integrated natural gas condensate (NGL) recovery process was proposed. The performance of the multi-stream heat exchanger

the unit power consumption and the recovery rate of ethane were considered as the three of basic characteristics to evaluate process performance. The simulation and analysis results show that the unit power consumption of proposed process is reduced to 0.45 kW·h·(kg LNG)

-1

which is reduced by 6% compared with conventional independent process. Furthermore

recovery rate of ethane is 93% which prove that NGL s efficient separation is achieved. The thermodynamic analysis

exergy analysis and economic analysis prove that the proposed configuration has high thermodynamics performance and economic value. This study can provide guidance for natural gas engineering research and retrofitted design of natural gas liquefaction technology.

关键词

Keywords

references

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Conceptual design， simulation and analysis of novel AP-XTM system integrated with NGL recovery process for large-scale LNG plant

DOI：10.11949/j.issn.0438-1157.20181212

摘要

Abstract

关键词

Keywords

references

Conceptual design， simulation and analysis of novel AP-X^TM system integrated with NGL recovery process for large-scale LNG plant