| LNG储罐火灾和爆炸事故树分析 |
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| 引用本文： | 于庭安,戴兴国.LNG储罐火灾和爆炸事故树分析[J].中国安全科学学报,2007,17(8):110-114. |
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| 作者姓名： | 于庭安 戴兴国 |
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| 作者单位： | 中南大学资源与安全工程学院,长沙,410083 |
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| 摘 要： | 对引起液化天然气储罐发生火灾、爆炸的因素进行系统分析,建立以LNG储罐火灾、爆炸为顶事件的事故树,并进行事故树分析,得到影响顶事件的各阶最小割集。利用二次计算的方法,更加精确地计算底事件的结构重要度系数,确定了影响储罐事故的主要因素,为提高LNG储罐的安全性和运行可靠性,提出相应的改进措施。
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| 关 键 词： | 液化天然气(LNG)储罐 事故树 定性分析 最小割集 结构重要度 |
| 文章编号： | 1003-3033（2007）08-0110-05 |
| 收稿时间： | 2007-03-02 |
| 修稿时间： | 2007-07-30 |
Fault Tree Analysis of Fire & Blast Accidents Caused by LNG Tanks |
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| YU Ting-an,DAI Xing-guo.Fault Tree Analysis of Fire & Blast Accidents Caused by LNG Tanks[J].China Safety Science Journal,2007,17(8):110-114. |
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| Authors: | YU Ting-an DAI Xing-guo |
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| Abstract: | By systemically analyzing the factors causing fire & blast accident of LNG(Liquefied Natural Gas) tanks,a fault tree with this accident as the top event is established.Through the analysis of this fault tree,all the minimum cut-sets affecting the top event are obtained.Moreover,the major factors affecting this kind of accidents are determined by calculating out the structure importance degree of basic events.According to these results obtained,corresponding measures are put forward so that the safety and reliability of LNG tanks can be ensured and improved. |
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| Keywords: | LNG(liquefied natural gas) tank fault tree qualitative analysis the minimum cut-sets structure important degree |
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