中国南海FLNG液化技术与关键设备方案研究

doi:10.11949/j.issn.0438-1157.20150845

化工学报 ›› 2015, Vol. 66 ›› Issue (S2): 300-310.DOI: 10.11949/j.issn.0438-1157.20150845

中国南海FLNG液化技术与关键设备方案研究

陈杰

中海石油气电集团技术研发中心, 北京 100028

收稿日期:2015-06-08 修回日期:2015-07-09 出版日期:2015-08-31 发布日期:2015-08-31
通讯作者: 陈杰
基金资助:
国家高技术研究发展计划项目(863计划)(2013AA09A216);工信部高科技船舶科研项目"浮式液化天然气生产储卸装置(LNG-FPSO)总体设计关键技术研究"项目(2012.534)。

Scheme research of FLNG liquefaction technology and key device in the South China Sea

CHEN Jie

Research and Devolopment Center, CNOOC Gas & Power Group, Beijing 100028, China

Received:2015-06-08 Revised:2015-07-09 Online:2015-08-31 Published:2015-08-31
Supported by:
supported by the National High Technology Research and Development Program (863 Program) of China(2013 AA09A216).

摘要/Abstract

摘要：

浮式液化天然气生产储卸装置(LNG-FPSO,简称FLNG)是集海上天然气的液化、储存、装卸和外运为一体的新型FPSO装置。近十年来随着深海油气开发的推进,国内外掀起了FLNG研究、设计的高潮,FLNG也成为中国开发南海深水天然气的重要技术手段。本文针对我国南海深水天然气开发,研究并提出一套具有自主知识产权的200万吨级/年的FLNG上部液化技术与关键设备方案,包括:双塔双胺液循环新工艺;适用于FLNG的改进DMR液化工艺;冷剂压缩机驱动与发电采用定型航改燃机;预冷与液化深冷主换热器采用自行开发的FLNG铝制绕管换热器,具有安全可靠和高效易操作的技术优势。最后对推进我国南海FLNG工程化实施提出了两点建议:(1)加强FLNG铝制绕管换热器国产化研制和试验;(2)提高FLNG工程化实践能力。

关键词: 浮式LNG液化工艺, 天然气, 液化, DMR, 化学过程, 绕管换热器, 航改燃机, 南海

Abstract:

FLNG is a new type of FPSO device which integrates the function of liquefaction,storage,loading and unloading and outward transport of marine natural gas.With the advancement of deepwater oil and gas development,the research,design and localization of FLNG has become hot in the past decade,and FLNG has also become an important technology to the development of the deepwater natural gas in the South China sea.In this paper,in connection with the development of the deepwater natural gas in the south China sea,we develop and put forward a proposal of liquefaction technology and key device of FLNG topside for South China sea with appropriate capacity of 2 million ton/year which has proprietary intellectual property rights.It contains the new process of twin columns and two circulation of amine solution,the improved DMR liquefaction process particular for FLNG,use aviation derivative gas turbine to drive refrigerant compressor and power generation,the self-developed FLNG aluminum coil-wound heat exchanger(CWHE)is used as the pre-cooling and cryogenic main heat exchanger.It has the advantage of reliability,safety,high efficiency and operability.Two suggestions are put forward in order to advance the Chinese FLNG engineering implementation in the South China Sea:(1)Accelerate the localization design and test of the FLNG aluminum coil-wound heat exchanger(CWHE),(2)Improve the ability of FLNG engineering practice.

Key words: FLNG liquefaction process, natural gas, liquefaction, DMR, chemical processes, coil-wound heat exchanger, aviation derivative gas turbine, the South China sea

中图分类号:

TE644

陈杰. 中国南海FLNG液化技术与关键设备方案研究[J]. 化工学报, 2015, 66(S2): 300-310.

CHEN Jie. Scheme research of FLNG liquefaction technology and key device in the South China Sea[J]. CIESC Journal, 2015, 66(S2): 300-310.

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中国南海FLNG液化技术与关键设备方案研究

Scheme research of FLNG liquefaction technology and key device in the South China Sea

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