Dynamic quantitative assessment method of chemical safety risk based on multi-source heterogeneous data fusion

被引：0
|
作者：
Liu Q. [1 ]
Qu Q. [2 ]
Zhao D. [3 ]
Liu S. [2 ]
Wang J. [1 ]
机构：
[1] Qingdao OASIS Environmental & Safety Technology Co., Ltd., Qingdao
[2] College of Electromechanic Engineering, China University of Petroleum (East China), Qingdao
[3] College of Chemical Engineering, China University of Petroleum (East China), Qingdao
来源：
Huagong Xuebao/CIESC Journal | 2021年 / 72卷 / 03期
关键词：
Integration; Knowledge map; Multi-source heterogeneous data; Process system; Safety;
D O I：
10.11949/0438-1157.20200749
中图分类号：
学科分类号：
摘要：
In view of the lack of multi-source heterogeneous data fusion in process safety risk analysis of petrochemical enterprises, it is difficult to analyze the dynamic time-varying mechanism of risk. First, it is established a dynamic risk propagation model based on the improved fuzzy Petri net, consider parameters such as initial event failure, protection layer failure, and correction factors to obtain the real-time change probability of risk. Then the influence of failure of different protective layers on the probability of accidents is analyzed and the importance degree of different protective layers is obtained. Finally, taking n-hexane buffer tank overflow fire and explosion accident as an example, the dynamic risk calculation was carried out to analyze and compare the change of accident probability under the failure of different protective layers. The results showed that the safety interlock system played a key role in the accident, and the daily detection should be strengthened to prevent the accident. © 2021, Editorial Board of CIESC Journal. All right reserved.
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页码：1769 / 1777
页数：8
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