| 封闭式地面火炬爆炸事故后果模拟研究 |
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| 引用本文： | 张杰东,于安峰,党文义,韩中枢,王鹏.封闭式地面火炬爆炸事故后果模拟研究[J].中国安全生产科学技术,2013(10):49-53. |
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| 作者姓名： | 张杰东 于安峰 党文义 韩中枢 王鹏 |
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| 作者单位： | 中国石化青岛安全工程研究院,化学品安全控制国家重点实验室,山东青岛266071 |
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| 摘 要： | 运用FLACS软件对某石化企业封闭式地面火炬进行三维建模，并对封闭式地面火炬不同排放气发生爆炸时爆炸超压随时间的变化规律进行模拟分析。研究结果表明，当封闭式地面火炬排放气为烃类气体时，发生爆炸所造成的爆炸冲击波只在排气筒内；当封闭式地面火炬排放气为H2时，发生爆炸所造成的爆炸冲击波影响范围较大，且在局部区域爆炸超压值较高。FLACS模拟计算方法可用于优化封闭式地面火炬安全设计，并能为确定封闭式地面火炬安全距离提供技术支撑。
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| 关 键 词： | 封闭式地面火炬 FLACS 爆炸 模拟 |
Simulation on explosion of flammable gas in enclosed ground-flare |
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| ZHANG Jie-dong,YU An-feng,DANG Wen-yi,HAN Zhong-shu,WANG Peng.Simulation on explosion of flammable gas in enclosed ground-flare[J].Journal of Safety Science and Technology,2013(10):49-53. |
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| Authors: | ZHANG Jie-dong YU An-feng DANG Wen-yi HAN Zhong-shu WANG Peng |
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| Institution: | ( SINOPEC Research Institute of Safety Engineering, State Key Laboratory of Safety and Control for Chemicals, Qingdao Shandong 266071, China) |
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| Abstract: | FLACS software was used for building the 3-dimentional model of enclosed ground- flare and simulating the explosion process of different flammable gas. Results showed that when the hydrocarbon gas explosion occurred, the distribution space of over-pressure was only within the stack of flare. Compared with this, when the hydrogen explosion occurred, the distribution space of over-pressure was larger, and the value of over-pressure was fairly high in specific place. It can provide technical support for optimizing safety design and determining the safety distance of enclosed-flame flare. |
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| Keywords: | enclosed ground-flare FLACS explosion simulation |
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