Dynamic simulation of pre-cooling processes for large-scale LNG storage tanks

doi:10.11949/j.issn.0438-1157.20150735

CIESC Journal ›› 2015, Vol. 66 ›› Issue (S2): 399-404.DOI: 10.11949/j.issn.0438-1157.20150735

Previous Articles Next Articles

Dynamic simulation of pre-cooling processes for large-scale LNG storage tanks

DENG Wenyuan¹, TIAN Lianjun², TONG Wenlong², LI Ning¹, GUO Kaihua¹, LI Wenfeng²

1. School of Engineering, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China;
2. Guangdong Zhuhai Golden Bay LNG Ltd, Zhuhai 519000, Guangdong, China

Received:2015-05-27 Revised:2015-07-15 Online:2015-08-31 Published:2015-08-31
Supported by:
Guangdong Proviciay Education of Liquefied Natural Gas Technoloyy Key Laboratory(39000-3211101) and SYSU-BP Center for LNG Education, Training and Research(99103-9390001).

大型LNG储罐预冷动态模拟

邓文源¹, 田连军², 童文龙², 李宁¹, 郭开华¹, 黎文锋²

1. 中山大学工学院, 广东广州 510006;
2. 广东珠海金湾液化天然气有限公司, 广东珠海 519000

通讯作者: 郭开华
基金资助:
广东省教育厅液化天然气与低温技术重点实验室项目(39000-3211101);中山大学-BP液化天然气中心项目(99103-9390001)。

Abstract

Abstract:

LNG storage tank is one of the most important and expensive devices for LNG terminals.The process of pre-cooling the LNG storage tank is the most critical and most dangerous debugging session.Based on the principle of gas-liquid two-phase volume node,the large-scale LNG storage tank pre-cooling dynamic simulation model was established.Taking a 160000 m³ LNG tank as an example,the time required for the pre-cooling process and the total used LNG for the tank pre-cooling were computed and the pressure of the LNG storage tank,the amount of BOG generation and the temperature of the tank during the pre-cooling process were determined with the established dynamic model.The optimization of the pre-cooled process design for a large-scale LNG storage tank was provided in a theoretical basis.

Key words: LNG, storage tank, dynamic simulation, heat transfer, pre-cooling process, optimization

摘要：

大型常压LNG储罐在接收站中占有很高的投资份额,是接收站关键的储存容器,在启用时对调试技术的要求较高,其中,储罐的冷却是最重要的预备环节。基于气液两相容积节点原理,建立喷淋LNG蒸发计算模型,搭建大型LNG储罐预冷过程动态仿真平台,以160000 m³大型LNG地上全容储罐为例,计算其在预冷过程中所需要的时间以及预冷所用LNG总量,得到了预冷过程中储罐压力、BOG产生量以及储罐内部温度的动态变化,为设计优化液化天然气储罐预冷策略提供了理论依据。

关键词: 液化天然气, 大型储罐, 动态模拟, 传热, 预冷, 优化

CLC Number:

TE821

DENG Wenyuan, TIAN Lianjun, TONG Wenlong, LI Ning, GUO Kaihua, LI Wenfeng. Dynamic simulation of pre-cooling processes for large-scale LNG storage tanks[J]. CIESC Journal, 2015, 66(S2): 399-404.

邓文源, 田连军, 童文龙, 李宁, 郭开华, 黎文锋. 大型LNG储罐预冷动态模拟[J]. 化工学报, 2015, 66(S2): 399-404.

References 14

[1]	Dweck J,Wochner D,Brooks M.Liquefied natural gas(LNG)litigation after the energy policy act of 2005:state powers in LNG terminal siting[J].Energy LJ,2006,27:473.
[2]	Zhang Chuanquan,Yang Xiaodong.Discussion on nitrogen purge and dryout of 10,000 m3 LNG tank[C].Shanghai:Second China LNG Forum,2009.
[3]	Poling B E,Prausnitz J M, O'connell J.The Properties of Gases and Liquids[M].New York:McGraw-Hill,2001.
[4]	Cheng Yongqiang,Tian shizhang,Wei Nianying. Problems related to storage tank cooling in the commissioning and test running of LNG terminal[J].Oil and Gas Storage and Transportation,2013,32(5):517-520.
[5]	Sergei S S.Advanced models of fuel droplet heating and evaporation[J].Prog. Energ. Combust,2006,32(2):162-214.
[6]	Beck J C,Watkins A P.The droplet number moments approach to spray modeling:the development of heat and mass transfer sub-models[J].International Journal of Heat and Fluid Flow,2003,24:242-259.
[7]	Su Lingyu,Liu Weidong.Theoretical analysis of heat and mass transfer of moving droplet during evaporation[J].Journal of National University of Defense Technology,2008,30(5):10-14.
[8]	Jung Dongsoo,Kim Youngil,Ko Younghwan,et al.Nucleate boiling heat transfer coefficients of pure halogenated refrigerants[J].International Journal of Refrigeration,2004,27:409-414.
[9]	Lee J,Kim Y,Jeong S.Transient thermodynamic behavior of cryogenic mixed fluid thermo siphon and its cool-down time estimation[J].Cryogenics,2010,50(5):352-358.
[10]	Ma Jia,Gong Maoqiong,Wu Jianfeng.Nucleate pool boiling heat transfer of pure methane[J].Journal of Engineering Thermophysics,2008,29(3):465-468.
[11]	Ranz W E,Marshall W R.Evaporation from drops[J]. Chem.Eng.Prog.,1952,48(3):141-146.
[12]	Yu Minggao,Li Xilin.Analysis on nozzle design parameters affected to spraying site features[J].Coal Science and Technology,2007,35(6):55-59.
[13]	Liu Nailin,Zhang Xu.Distribution of droplet diameters and the spline of their empirical equation for spiral nozzle[J].Journal of Experiments in Fluid Mechanics,2009,20(3):8-12.
[14]	Batchelor G K.An Introduction to Fluid Dynamics[M]. London:Cambridge University Press,2000.

[1]	Shuangxing ZHANG, Fangchen LIU, Yifei ZHANG, Wenjing DU. Experimental study on phase change heat storage and release performance of R-134a pulsating heat pipe [J]. CIESC Journal, 2023, 74(S1): 165-171.
[2]	Yifei ZHANG, Fangchen LIU, Shuangxing ZHANG, Wenjing DU. Performance analysis of printed circuit heat exchanger for supercritical carbon dioxide [J]. CIESC Journal, 2023, 74(S1): 183-190.
[3]	Aiqiang CHEN, Yanqi DAI, Yue LIU, Bin LIU, Hanming WU. Influence of substrate temperature on HFE7100 droplet evaporation process [J]. CIESC Journal, 2023, 74(S1): 191-197.
[4]	Mingxi LIU, Yanpeng WU. Simulation analysis of effect of diameter and length of light pipes on heat transfer [J]. CIESC Journal, 2023, 74(S1): 206-212.
[5]	Zhiguo WANG, Meng XUE, Yushuang DONG, Tianzhen ZHANG, Xiaokai QIN, Qiang HAN. Numerical simulation and analysis of geothermal rock mass heat flow coupling based on fracture roughness characterization method [J]. CIESC Journal, 2023, 74(S1): 223-234.
[6]	Xin YANG, Wen WANG, Kai XU, Fanhua MA. Simulation analysis of temperature characteristics of the high-pressure hydrogen refueling process [J]. CIESC Journal, 2023, 74(S1): 280-286.
[7]	Jiahao SONG, Wen WANG. Study on coupling operation characteristics of Stirling engine and high temperature heat pipe [J]. CIESC Journal, 2023, 74(S1): 287-294.
[8]	Siyu ZHANG, Yonggao YIN, Pengqi JIA, Wei YE. Study on seasonal thermal energy storage characteristics of double U-shaped buried pipe group [J]. CIESC Journal, 2023, 74(S1): 295-301.
[9]	Cheng CHENG, Zhongdi DUAN, Haoran SUN, Haitao HU, Hongxiang XUE. Lattice Boltzmann simulation of surface microstructure effect on crystallization fouling [J]. CIESC Journal, 2023, 74(S1): 74-86.
[10]	Yitong LI, Hang GUO, Hao CHEN, Fang YE. Study on operating conditions of proton exchange membrane fuel cells with non-uniform catalyst distributions [J]. CIESC Journal, 2023, 74(9): 3831-3840.
[11]	Yubing WANG, Jie LI, Hongbo ZHAN, Guangya ZHU, Dalin ZHANG. Experimental study on flow boiling heat transfer of R134a in mini channel with diamond pin fin array [J]. CIESC Journal, 2023, 74(9): 3797-3806.
[12]	Cong QI, Zi DING, Jie YU, Maoqing TANG, Lin LIANG. Study on solar thermoelectric power generation characteristics based on selective absorption nanofilm [J]. CIESC Journal, 2023, 74(9): 3921-3930.
[13]	Ke LI, Jian WEN, Biping XIN. Study on influence mechanism of vacuum multi-layer insulation coupled with vapor-cooled shield on self-pressurization process of liquid hydrogen storage tank [J]. CIESC Journal, 2023, 74(9): 3786-3796.
[14]	Song HE, Qiaomai LIU, Guangshuo XIE, Simin WANG, Juan XIAO. Two-phase flow simulation and surrogate-assisted optimization of gas film drag reduction in high-concentration coal-water slurry pipeline [J]. CIESC Journal, 2023, 74(9): 3766-3774.
[15]	Tianhua CHEN, Zhaoxuan LIU, Qun HAN, Chengbin ZHANG, Wenming LI. Research progress and influencing factors of the heat transfer enhancement of spray cooling [J]. CIESC Journal, 2023, 74(8): 3149-3170.

Dynamic simulation of pre-cooling processes for large-scale LNG storage tanks

大型LNG储罐预冷动态模拟

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References 14

Related Articles 15

Recommended Articles

Metrics

Comments