Experimental study on effect of sloshing on performance of heat exchanger

doi:10.11949/j.issn.0438-1157.20161804

CIESC Journal ›› 2017, Vol. 68 ›› Issue (9): 3358-3367.DOI: 10.11949/j.issn.0438-1157.20161804

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Experimental study on effect of sloshing on performance of heat exchanger

ZHU Jianlu¹, CHANG Xueyu², HAN Hui¹, LI Yuxing¹, SUN Chongzheng¹, DONG Longfei¹, YANG Jie¹, CHEN Jie³, ZENG Weiping³

1 China University of Petroleum-East China/Key Laboratory of Oil and Gas Storage and Transportation in Shandong, Qingdao 266580, Shandong, China;
2 Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China;
3 CNOOC Gas Electric R & D Center, Beijing 100028, China

Received:2016-12-26 Revised:2017-06-23 Online:2017-09-05 Published:2017-09-05
Contact: 10.11949/j.issn.0438-1157.20161804
Supported by:
supported by the National High Technology Research and Development Program of China (2013AA09A216),the National Natural Science Foundation of China (51504278),the Research Award Fund for Outstanding Young Scientists in Shandong Province (BS2014ZZ009) and the Fundamental Research Funds for the Central Universities (16CX02003A).

FLNG绕管式换热器晃动实验分析

朱建鲁¹, 常学煜², 韩辉¹, 李玉星¹, 孙崇正¹, 董龙飞¹, 杨洁¹, 陈杰³, 曾伟平³

1 中国石油大学(华东)/山东省油气储运安全省级重点实验室, 山东青岛 266580;
2 中国科学院工程热物理研究所, 北京 100190;
3 中海石油气电集团有限责任公司技术研发中心, 北京 100028

通讯作者: 李玉星
基金资助:
国家高技术研究发展计划项目（2013AA09A216）；国家自然科学基金项目（51504278）；山东省优秀中青年科学家科研奖励基金项目（BS2014ZZ009）；中央高校基本科研业务费专项资金（16CX02003A）。

Abstract

Abstract:

Floating LNG production storage and offloading unit (FLNG, also known as LNG-FPSO) is a kind of floating production device for offshore gas field development. The natural gas liquefaction process is a core technology of FLNG, which has a huge impact on the safety, stability and costs of the equipment. Because of the special conditions of offshore operations, FLNG liquefaction process is required not only to achieve the most basic functions of liquefaction, it is also expected to overcome the interference of various constraints. In order to research the performance of the coil wound heat exchanger under sloshing conditions at sea, an experimental device of dual mixed refrigerant liquefaction processes is established and the sloshing experiment of coil wound heat exchanger is carried. The results show that:when the experimental device is under sloshing conditions, pressure reduces before throttle valve and increases after the throttle valve, the performance of throttle valve and coil wound heat exchanger becomes worse.

Key words: experimental validation, sloshing, coil wound heat exchanger, LNG-FPSO, natural gas, liquefaction, gas-liquid flow

摘要：

浮式液化天然气生产储卸装置（FLNG，又称LNG-FPSO）是一种用于海上天然气田开发的浮式生产装置。由于FLNG装置海上作业的特殊环境，FLNG液化工艺不仅要实现最基本的天然气液化功能，还需考虑海上恶劣的环境条件对FLNG液化工艺的影响。海洋中海浪的波动对液化系统中的关键设备——换热器影响较大。为了研究绕管式换热器在海上晃荡条件下的性能，通过建立双混合制冷剂液化工艺小试实验装置，进行绕管式换热器实验装置的晃动实验。结果表明实验装置晃动时，节流阀节流前压力降低，节流后压力升高，节流阀的节流效果变差，绕管式换热器换热效果变差。换热器的换热效果受到晃动的方向和FLNG中设备安装方向的耦合影响，倾斜工况下换热器换热效果受影响最大，受横摇影响较纵摇影响大。

关键词: 实验验证, 晃荡, 绕管式换热器, LNG-FPSO, 天然气, 液化, 气液两相流

CLC Number:

TB657.8

ZHU Jianlu, CHANG Xueyu, HAN Hui, LI Yuxing, SUN Chongzheng, DONG Longfei, YANG Jie, CHEN Jie, ZENG Weiping. Experimental study on effect of sloshing on performance of heat exchanger[J]. CIESC Journal, 2017, 68(9): 3358-3367.

朱建鲁, 常学煜, 韩辉, 李玉星, 孙崇正, 董龙飞, 杨洁, 陈杰, 曾伟平. FLNG绕管式换热器晃动实验分析[J]. 化工学报, 2017, 68(9): 3358-3367.

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Experimental study on effect of sloshing on performance of heat exchanger

FLNG绕管式换热器晃动实验分析

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