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Chemcial Industry and Engineering 2019, Vol. 36 Issue (6) :72-79    DOI: 10.13353/j.issn.1004.9533.20191919
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Research Progress of the Thermal Runaway Criteria in Online Warning Detection System
Zhang Heng1, Hao Lin1, Xu Wei2, Shi Ning2, Feng Junjie2, Zhu Yunfeng2, Wei Hongyuan1
1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Sinopec Research Institute of Safety Engineering, Shandong Qingdao 266000, China

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Abstract The thermal runaway reaction is the main cause of reactive hazards. The sensitive and reliable on-line early warning detection system is another line of defense against accidents that can predict reaction thermal runaway according to the state of reaction system in time and accurately. However, the bottleneck for an on-line detection system is the runaway criterion that distinguishes between dangerous and safe situations. This paper systematically summarized the thermal runaway criteria in on-line warning detection system and its applications in the chemical process, which includes limit check criteria, thermal balance criteria, model-based method, divergence criteria and neural network. Besides, the advantages and disadvantages of various methods were compared when they were used for judging the state of reactions, and the prospect of their application in thermal runaway of chemical reactions was presented.
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Articles by authors
Zhang Heng
Hao Lin
Xu Wei
Shi Ning
Feng Junjie
Zhu Yunfeng
Wei Hongyuan
Keywordsthermal runaway reaction;   reactive hazards;   reliable and sensitive;   online early warning detection system;   runaway criteria     
Received 2019-09-16;
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Zhang Heng, Hao Lin, Xu Wei, Shi Ning, Feng Junjie, Zhu Yunfeng, Wei Hongyuan.Research Progress of the Thermal Runaway Criteria in Online Warning Detection System[J]  Chemcial Industry and Engineering, 2019,V36(6): 72-79
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