Journal of Guangdong University of Technology ›› 2011, Vol. 28 ›› Issue (3): 48-50.

• Comprehensive Studies • Previous Articles     Next Articles

A Contrastive Analysis of Shunt Spark Discharge of Floating Roof Tanks

  

  1. State Key Laboratory of Safety and Control over Chemicals, Qingdao Institute of Safety Engineering of China Petroleum & Chemical Corporation ,  Qingdao 266071, China
  • Online:2010-10-06 Published:2010-10-06

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Abstract: A contrastive analysis of API RP 545 and the simulation lightning experiment with floating roof storage tanks by the Institute of Safety Engineering lead to the conclusion that the  design of the experiment with floating roof tanks by the Institute of Safety Engineering is more suitable for the actual operation. Based on the experimental results, it advances the proposal that the shunts on the second seal should be removed, and that multiple retractable grounding fitting between the roof and tank wall should be used to replace the shunts. The design is found to be feasible, easier to implement and maintain, and more secure and reliable .

Key words: floating roof tank; shunts; spark discharge; retractable grounding fitting.

［1］ Drabkin M M,Grosser A. Lighting Protection of Flammable Storage Facilities［C］∥International Conference on Grounding and Earthing & 2nd International Conference on Lightning Physics and Effects. USA California, 2006.  

［2］ 郎需庆,刘全桢,宫宏. 浮盘密封圈原油挥发及结构优化的研究［J］. 中国安全科学学报，2009, 19（5）：91-95.

［3］ 宫宏，刘全桢,安贤生，等. 大型浮顶储罐浮盘密封圈雷击起火事故分析［J］. 健康安全环境，2008, 8（10）：7-8.

［4］ 王振国. 外浮顶油罐一二次密封油气空间火灾分析［J］. 建筑防火设计，2007,26（6）：654-655.

［5］ The International Electrotechnical Commission technical committee. IEC 62305-1-2006, Protection Against Lighting［S］. Geneva: The International Electrotechnical Commission, 2006.

［6］ National Fire Protection Association Technical Comittee. NFPA 7802004 Standard for the Installation of the Lightning protection Systems［S］. Quincy: National Fire Protection Association, 2004.

［7］ 中国石油化工集团公司. GB 50074-2002 石油库设计规范［S］. 北京：中国计划出版社，2003.

［8］ Liu Quanzhen，Hu Haiyan, Liu Baoquan, et al. A Testing Research on Shunts Performance of the Large Floating Storage Tanks ［C］∥ The Proceedings of the 6th International Conference on Applied Electrostatics. Shanghai:International Academic Publishers Ltd，2008. 206-209.

［9］ 胡海燕，刘全桢，刘宝全,等.可伸缩接地装置在浮顶储罐中的应用［J］. 健康安全环境，2007，7（11）：20-21.

［10］ 胡海燕,刘宝全,刘全桢,等. 浮顶储罐等电位连接装置的雷击阻抗性能探讨［J］. 北京理工大学学报，2009,29（2）：124-126.

［11］ American Petroleum Institute. APIRP 545-2009 Recommended Practice for Lightning Protection of Aboveground Storage Tanks for Flammable or Combustible Liquids ［S］.Washington DC：API Publishing Service, 2009.

［12］ Energy Institute.API/EI Research Report, Verification of lighting protection requirements for above ground hydrocarbon storage tanks［R］. London: Energy Institute , 2009.
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