液化天然气储罐预冷过程温度场数值模拟

doi:10.11949/j.issn.0438-1157.20150960

化工学报 ›› 2015, Vol. 66 ›› Issue (S2): 138-142.DOI: 10.11949/j.issn.0438-1157.20150960

液化天然气储罐预冷过程温度场数值模拟

匡以武¹, 耑锐¹, 王文¹, 朱菊香²

1. 上海交通大学制冷与低温工程研究所, 上海 200240;
2. 浙江工业大学化工学院, 浙江杭州 310029

收稿日期:2015-06-19 修回日期:2015-07-15 出版日期:2015-08-31 发布日期:2015-08-31
通讯作者: 王文

Simulation of pre-cooling of a liquefied natural gas storage tank

KUANG Yiwu¹, ZHUAN Rui¹, WANG Wen¹, ZHU Juxiang²

1. Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China;
2. Institute of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310029, Zhejiang, China

Received:2015-06-19 Revised:2015-07-15 Online:2015-08-31 Published:2015-08-31

摘要/Abstract

摘要：

建立了液化天然气(LNG)储罐喷淋预冷过程的流动传热与传质模型,对储罐内热物理场和储罐壁面温度的变化进行探讨。分析表明,喷淋进入储罐的LNG液滴并不能完全覆盖整个储罐,液滴进入储罐后,速度迅速衰减并转成垂直下落,同时液滴不断吸热汽化。预冷过程中,LNG的喷淋速度决定了储罐的冷却速度,温降最快的位置出现在储罐底部的中心区域,侧壁温降速度较慢。由于储罐的底部中心区域出现二次流动,阻碍了储罐底壁与内部低温气体的换热,同时由于混凝土对容器的导热,造成容器底部中心区域的温度不减反增的现象。

关键词: 天然气, 汽化, 数值模拟, 储罐, 预冷, 喷淋

Abstract:

Before filling the liquefied natural gas(LNG)into the storage tank,a pre-cooling operation is needed to avoid the rapid dropping of temperature.In the present study,a numerical model of the pre-cooling of a LNG storage tank is presented in this paper.The heat and mass transfer during the pre-cooling process in the storage tank and the thermal conduction in the tank walls are taken into consideration in the current model.The simulation results show that the LNG droplets cannot cover the whole tank and there exists a maximum spray region.During the pre-cooling,the cool-down rate of the tank mainly depends on the LNG flow rate.The tank bottom part shows larger cool-down rate than the side wall.The maximum cool-down rate takes place at the center of the tank bottom.Due to backflow at the tank center,the wall temperature of this part will not decrease monotonically.

Key words: natural gas, vaporization, numerical simulation, storage tank, pre-cooling, spray

中图分类号:

TE972

匡以武, 耑锐, 王文, 朱菊香. 液化天然气储罐预冷过程温度场数值模拟[J]. 化工学报, 2015, 66(S2): 138-142.

KUANG Yiwu, ZHUAN Rui, WANG Wen, ZHU Juxiang. Simulation of pre-cooling of a liquefied natural gas storage tank[J]. CIESC Journal, 2015, 66(S2): 138-142.

参考文献 11

[1]	Gu Anzhong(顾安忠),Lu Xuesheng(鲁雪生),Wang Rong-shun(汪荣顺).Liquefied Natural Gas Technology(液化天然气技术)[M].Beijing:China Machine Press,2004.
[2]	Cheng Yongqiang(成永强),Wei Nianying(魏念鹰),Hu Wenjiang(胡文江).The discussion of the cooling related matter for the first LNG storage tank at LNG receiving terminal//The Third Session of the China LNG Forum[C]. Guangzhou,2012.
[3]	Wang Liangjun(王良军),Liu Yang(刘杨),Luo Zaiyuan(罗仔源),et al.Cooling techniques for ground large-scale full-capacity LNG storage tanks[J].Natural Gas Industry(天然气工业),2010,30(1):93-95.
[4]	Zhu Hongmei(朱鸿梅),Sun Heng(孙恒),Liu Hongwei(刘宏伟).Temperature distribution at the corner part of the LNG storage tank[J].Oil & Gas Storage and Transfortaion(油气储运),2011,30(1):37-40.
[5]	Chen Shuai(陈帅),Tian Shizhang(田士章),Wei Nian-ying(魏念鹰).A dynamic simulation study of the cooling of a ground LNG storage tank with a full containment concrete roof(FCCR)[J].Natural Gas Industry(天然气工业),2013,33(6):91-96.
[6]	Li Sicheng(李思成),Huo Ran(霍然),Li Yuanzhou(李元洲),et al.Study on dynamic parameters of Sprinkler water droplets[J].Fire Safety Science(火灾科学),2007,16(1):26-30.
[7]	Morales-Ruiz S,Rigola J,Rodriguez I,et al.Numerical resolution of the liquid-vapour two-phase flow by means of the two-fluid model and a pressure based method[J].International Journal of Multiphase Flow,2012,43:118-130.
[8]	Fu Yingjie(付英杰),Wei Yingjie(魏英杰),Zhang Jia-zhong(张嘉钟).Numerical simulation of bubbly nozzle flow with two-fluid model[J].Journal of Ship Mechanics(船舶力学),2011,15(1):81-86.
[9]	Beekman D H,Martin T A.Detailed modeling of the non-vent fill process[J].Advances in Cryogenic Engineering,1992,37(B):1237-1246.
[10]	Tao Wenquan(陶文铨).Numerical Heat Transfer(数值传热学)[M].2nd ed.Xi'an:Xi'an Jiao Tong University Press,2001.
[11]	TAO Wenquan(陶文铨).Modern Progress of Numerical Heat Transfer(计算传热学的近代进展)[M].Beijing:Science Press,2000.

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液化天然气储罐预冷过程温度场数值模拟

Simulation of pre-cooling of a liquefied natural gas storage tank

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