Abstract
Abstract In the storage areas of petrochemical industry, the stored materials are flammable and explosive, and the layout of the tank farm is relatively tight that may lead to fire, explosion and even the domino accident. To analyze the domino effect of pool fire in tank farm, the Bayesian network is introduced and the coupling effects are taken into account. Based on the above theory, the domino effect propagation patterns and the occurrence probability of the domino accident at the first level and second level in a specific 2*2 tank farm are obtained. The posterior probabilities after considering new information are calculated by Netica software. And the minimum safety distance between the tanks is set to 31.17m. The results show that when there is only one tank occurs pool fire, the tank that far away is almost unaffected; correspondingly, when there are multiple thermal radiation fields, the occurrence possibility of domino accident has increased and the maximum escalation probability is 0.3632. Among them, when a pool fire occurs in tank farm, the adjacent tanks should be cooled to prevent the domino accident during rescue.
Published Version
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