小型可移动式天然气液化装置研究进展

doi:10.11949/j.issn.0438-1157.20150699

化工学报 ›› 2015, Vol. 66 ›› Issue (S2): 10-20.DOI: 10.11949/j.issn.0438-1157.20150699

小型可移动式天然气液化装置研究进展

公茂琼¹, 郭浩¹, 孙兆虎^1,2, 程逵炜¹, 陈高飞¹, 邹鑫¹, 吴剑峰¹

1. 中国科学院理化技术研究所, 北京 100190;
2. 中科睿凌(北京)低温设备有限公司, 北京 101408

收稿日期:2015-05-25 修回日期:2015-06-02 出版日期:2015-08-31 发布日期:2015-08-31
通讯作者: 孙兆虎
基金资助:
国家重大科技专项(2011ZX05039-01-004)。

Advances in mobile natural gas mini-liquefiers

GONG Maoqiong¹, GUO Hao¹, SUN Zhaohu^1,2, CHENG Kuiwei¹, CHEN Gaofei¹, ZOU Xin¹, WU Jianfeng¹

1. Technical Institute of Physics and Chemistry, CAS, Beijing 100190, China;
2. Refrigeration and Liquefaction Equipment Co., Ltd., Beijing 101408, China

Received:2015-05-25 Revised:2015-06-02 Online:2015-08-31 Published:2015-08-31
Supported by:
supported by the State Key Science and Technology Program(2011ZX05039-01-004).

摘要/Abstract

摘要：

小型可移动式天然气液化装置以其独特优势在零散天然气源的液化集输、管输天然气的再分配及分布式调峰和车用LNG燃料站等场合有非常广泛的应用前景。概括对比分析了现有的天然气液化技术,指出占据国际LNG工业主流地位的混合制冷剂循环(MRC)液化流程也是适宜小型化的最佳技术之一。在简要介绍了小型天然气液化装置的近期进展后,重点介绍了本团队基于近20年的混合工质节流制冷技术方面的研究经验,研制成功系列规格小型混合工质撬装液化装置,同时提出并创建了以此为基础的"煤层气柔性液化中心和虚拟管网"集输方案的概念。已研制出的全风冷、制冷油润滑螺杆压缩机驱动的10000~30000 m³·d^-1"可移动式液化装置",其中30000 m³·d^-1液化装置生产中实测液化比功耗已经与国内1000000 m³·d^-1的集中液化工厂相当。目前在山西、内蒙古已有多套不同规模的装置运行,初步形成一定规模。

关键词: 天然气, 液化, 混合物, 小型装置, 柔性液化中心

Abstract:

Mobile natural gas mini-liquefiers have great advantages in application prospects in dealing with scattered and isolated well natural gas resources,pipeline gas redistribution,distributed peak-shaving and vehicle LNG fuel station,etc.In this paper,the various natural gas liquefaction technologies were first analyzed.It is pointed out that the mixed refrigerant liquefaction cycle(MRC)which is the dominant technology in world-wide LNG industry is still the best choice for the miniature scale natural gas liquefiers.The current development of mobile natural gas mini-liquefier is also reviewed.Based on the researches on MRC for 20 years,our team has successfully developed various skid-mount natural gas liquefiers.The idea of flexible liquefaction center and virtual pipe line network is proposed.Series air-cooled skid-mount liquefiers with various capacities from 10000 to 30000 m³·d^-1 have been developed and commercialized which is driven by ordinary oil-lubricated screw compressors.The measured specific power consumption of the 30000 m³·d^-1 mini-liquefier is almost equal to that of the large-scale LNG plant with 1000000 m³·d^-1 in China.At present,several different capacities of liquefiers have been used in Shanxi and Inner Mongolia.

Key words: natural gas, liquefaction, mixture, mini-liquefiers, flexible liquefaction center

中图分类号:

TB657.8

公茂琼, 郭浩, 孙兆虎, 程逵炜, 陈高飞, 邹鑫, 吴剑峰. 小型可移动式天然气液化装置研究进展[J]. 化工学报, 2015, 66(S2): 10-20.

GONG Maoqiong, GUO Hao, SUN Zhaohu, CHENG Kuiwei, CHEN Gaofei, ZOU Xin, WU Jianfeng. Advances in mobile natural gas mini-liquefiers[J]. CIESC Journal, 2015, 66(S2): 10-20.

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小型可移动式天然气液化装置研究进展

Advances in mobile natural gas mini-liquefiers

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