在化学大气储区域的典型自动技术安全屏障的性能评估
Tianyu Wang1,2, Mingguang Zhang1,2, Xueliang Tan1,2
1College of Safety Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu, China.
PloS one
|February 11, 2026
概括
这项研究引入了一种新的定量模型,用于评估化学储农场的安全障碍,改进了ARAMIS等传统方法. 该模型有效评估喷水系统,提供更精确的安全性能指数.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 风险管理 风险管理
- 安全科学安全科学 安全科学
背景情况:
- 化学工业园区由于易燃物质和复杂的布局,面临大气储农场的重大风险.
- 多米诺事故是一个主要问题,虽然使用自动安全障碍,但它们的定量性能评估是具有挑战性的.
- 现有的框架,如工业事故风险评估方法 (ARAMIS),在评估安全障碍的有效性方面缺乏准确性.
研究的目的:
- 通过结合有效性和可靠性指标,开发一个量化模型来评估安全障碍的性能.
- 解决当前风险评估框架在评估自动化安全障碍方面的局限性.
- 为了提供更精确,更强大的定量评估,在化学品储区域的安全障碍.
主要方法:
- 使用有效性和可靠性的综合指标开发了一种定量模型.
- 使用Pyrosim和ANSYS Workbench模拟了喷水系统,以分析它们的性能.
- 通过延长故障时间和减少故障概率来量化有效性;使用贝叶斯网络 (BN) 模型评估可靠性.
主要成果:
- 发现坦克故障主要发生在坦克墙壁-屋顶交叉点,原因是高温下材料性能降解.
- 喷水系统被证明可以减少热辐射损害,但随着风速的增加,它们的有效性会下降.
- 拟议的模型在一个案例研究中为喷水系统提供了0.752的性能得分.
结论:
- 与ARAMIS等传统方法相比,开发的模型提供了更精确和更强大的安全障碍性能定量评估.
- 该研究展示了该模型在评估安全障碍,如喷水系统等方面的实际应用.
- 综合方法提供了一个全面的性能指数,用于提高化学品储存设施的安全性.
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