[1]张锦荣,李平,王文璇.液氯运输泄漏事故扩散风险分析[J].中国安全生产科学技术,2015,11(7):104-108.[doi:10.11731/j.issn.1673-193x.2015.07.017]
ZHANG Jin-rong,LI Ping,WANG Wen-xuan.Analysis on diffusion risk of leakage accident for liquid chlorine in transportation[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2015,11(7):104-108.[doi:10.11731/j.issn.1673-193x.2015.07.017]
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液氯运输泄漏事故扩散风险分析
ZHANG Jin-rong,LI Ping,WANG Wen-xuan.Analysis on diffusion risk of leakage accident for liquid chlorine in transportation[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2015,11(7):104-108.[doi:10.11731/j.issn.1673-193x.2015.07.017]
《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]
- 卷:
- 11
- 期数:
- 2015年7期
- 页码:
- 104-108
- 栏目:
- 职业安全卫生管理与技术
- 出版日期:
- 2015-07-30
文章信息/Info
- Title:
- Analysis on diffusion risk of leakage accident for liquid chlorine in transportation
- Keywords:
- leakage; diffusion model; concentration distribution; danger area; simulation
- 分类号:
- X936
- 文献标志码:
- A
- 摘要:
- 针对液氯运输泄漏事故特点，建立运输泄漏事故后有毒气体扩散模型；利用MATLAB软件，模拟了两种不同类型的泄漏事故，并进行风险分析，根据不同浓度氯气对人体的危害程度和扩散浓度等值曲线，将危险区域划分为轻度、中度、重度和立即致死4个区域。仿真结果表明：固定点源连续泄漏事故的地面有毒气体浓度峰值比移动点源连续泄漏事故的地面有毒气体浓度峰值大，但前者的影响范围通常比后者小。该方法能快速预测出运输泄漏事故后有毒气体的影响范围和程度，为指导事故现场人员及时采取有效安全防护、紧急疏散和组织抢险救援活动提供理论依据。
- Abstract:
- According to the characteristics of leakage accident for liquid chlorine in transportation, a model of toxic gas diffusion after leakage accident in transportation was set up. Two different types of leakage accident were simulated in MATLAB software, and the diffusion risk was analyzed. The danger area was divided into four areas such as mild area, moderate area, severe area and immediately lethal area according to the harm of chlorine gas with different concentration to human body and the contour curve of diffusion concentration. The results showed that the peak of ground concentration of toxic gas in continuous leakage accident of fixed point source is bigger than that of moving point source, but the danger area of the former is usually smaller than that of the latter. This method can quickly predict the influence scope and degree after the transportation leakage accident of toxic gas, and provide theoretical basis for effective safety protection, emergency evacuation and organization of rescue activities.
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备注/Memo
- 备注/Memo:
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