Research progress on liquefied natural gas cold energy utilization

WANG Xi; YANG Hui; ZHANG Sifan

doi:10.12434/j.issn.2097-2547.20240366

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Research progress on liquefied natural gas cold energy utilization

更新时间：2025-02-24

- Research progress on liquefied natural gas cold energy utilization
- Pages: 1-9(2025)
- 作者机构：
  
  北京建筑大学供热、供燃气、通风及空调工程北京市重点实验室，北京 102616
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20240366
  CLC： TE64
- Received：02 September 2024，
  
  Revised：12 November 2024，
  
  Published Online：20 February 2025，
- 稿件说明：
移动端阅览
王溪,杨晖,张思凡.液化天然气冷能利用研究进展[J].低碳化学与化工,

WANG Xi,YANG Hui,ZHANG Sifan.Research progress on liquefied natural gas cold energy utilization[J].Low-carbon Chemistry and Chemical Engineering,
王溪,杨晖,张思凡.液化天然气冷能利用研究进展[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20240366.

WANG Xi,YANG Hui,ZHANG Sifan.Research progress on liquefied natural gas cold energy utilization[J].Low-carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20240366.

摘要

利用液化天然气（Liquefied natural gas，LNG）冷能有助于提高能效及产业经济性。目前国内LNG冷能利用较多的方式是空气分离和冷能发电。其中冷能发电主要采用有机朗肯循环（Organic Rankine cycle，ORC），通过选择工质和优化循环配置、LNG气化压力以及热源温度等参数来提高发电效率。从轻烃回收、空气分离、发电、海水淡化、低温碳捕集、液态空气储能、低温粉碎和冷库制冷等方面系统地总结了近十年国内外LNG冷能利用的研究成果，分析了当前LNG冷能利用所采用的技术路线及面临的挑战，展望了未来技术的发展趋势。

Abstract

The use of Liquefied natural gas (LNG) cold energy can help improve energy efficiency and industrial economy. At present

the most commonly used methods for LNG cold energy utilization in China are air separation and cold energy power generation. Among them

the Organic Rankine cycle (ORC) is mainly used for cold energy power generation

and the improvement of power generation efficiency can be achieved by selecting working fluid and optimizing cycle configuration

LNG gasification pressure and heat source temperature

etc. The research results of LNG cold energy utilization at home and abroad in the past ten years

including light hydrocarbon recovery

air separation

power generation

desalination

low-temperature carbon capture

liquid air energy storage

low-temperature grinding

cold storage refrigeration and so on were systematically summarized. The current technical routes and challenges of cold energy utilization faced by LNG cold energy utilization were analyzed and the future development trend was prospected.

关键词

Keywords

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