|本期目录/Table of Contents|

[1]毕晓蕾,刘全桢,刘宝全,等.罐区灯塔雷击电磁辐射对储罐的危害研究[J].中国安全生产科学技术,2013,9(2):101.
　BI Xiao lei,LIU Quan zhen,LIU Bao quan,et al.Research on electromagnetic radiation harm to tank by light tower lightning stroke in Tank Farm[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2013,9(2):101.
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罐区灯塔雷击电磁辐射对储罐的危害研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
9
期数:
2013年2期
页码:
101
栏目:
出版日期:
2013-02-28

文章信息/Info

Title:
Research on electromagnetic radiation harm to tank by light tower  lightning stroke in Tank Farm
作者:
毕晓蕾1; 2; 刘全桢1; 2; 刘宝全1; 2; 高鑫1; 2; 姜辉1; 2; 刘娟1; 2
(1中国石油化工股份有限公司青岛安全工程研究院，山东青岛266071； 2化学品安全控制国家重点实验室，山东青岛266071)
Author(s):
BI Xiaolei1; 2;  LIU Quanzhen1; 2;  LIU Baoquan1; 2;  GAO Xin1; 2;  JIANG Hui1; 2;  LIU Juan1; 2
(1 SINOPEC Safety Engineering Institute, Qingdao Shandong 266071, China； 2 State Key Laboratory of Chemical Safety, Qingdao Shandong 266071, China)
关键词:
雷击; 储罐; 时域有限差分
Keywords:
lightning stroke;  tank;  FDTD
分类号:
X936
DOI:
-
文献标志码:
A
摘要:
罐区设置的灯塔在一定程度上增加了储罐的雷击风险。为了定量分析雷击灯塔时电磁辐射对储罐的危害，基于MTLL雷电回击模型，采用三维时域有限差分（FDTD）方法，计算了100kA雷电流雷击灯塔时30m和40m处外浮顶储罐的浮盘和罐壁之间耦合的水平电场和电压。计算结果表明，在储罐接地和导电片良好的情况下，雷击灯塔产生的电磁辐射可以在储罐浮盘和罐壁之间感应出几千伏每米的水平电场和上千伏的电压；随着储罐与灯塔距离的增大，水平电场和电压随之减小。最后，根据以上结论，为了防止雷击灯塔电磁辐射对储罐造成危害，提出了防范措施。
Abstract:
The light tower set in the tank farm increases the lightning stroke risk of tank to a certain extent. In order to analyze electromagnetic radiation harm caused by light tower lightning stroke, based on the MTLL lightning return stroke model, coupled horizontal component of electric field and voltage between floating roof and shell in the distance of 30m and 40m were calculated using finitedifference timedomain (FDTD) method when light tower was struck by 100kA lightning current. The results indicated that electromagnetic radiation caused by lightning stroke light tower can induce horizontal electric field of several thousand volts per meter and voltage of several thousand between floating roof and shell when groundings and shunts of tank are good. Horizontal electric field and voltage decrease with increasing distance between the tank and the light tower. Finally, based on the above conclusions, some precautions for avoiding electromagnetic radiation harm caused by lightning stroke light tower to tank were proposed.

参考文献/References:

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备注/Memo

备注/Memo:
国家科技支撑计划课题（2012BAK03B03）
更新日期/Last Update: 2013-02-28