Research on evolution process of explosions-overpressure damage in multiple storage tank

doi:10.16265/j.cnki.issn1003-3033.2025.11.1175

Abstract

Abstract:

In order to study the accident risks caused by the simultaneous explosions of multiple storage tanks in chemical industrial parks, a research method for the overpressure damage evolution process of multiple tank explosions was proposed. First, the explosion damage probability of a single storage tank and the explosion damage probability distribution of a single storage tank were calculated. Then, considering the simultaneous explosions of multiple storage tanks, the overpressure damage evolution process of multiple tank explosions was studied. Finally, the regional damage probability distribution of the simultaneous explosions of multiple storage tanks was obtained. The results show that the evolution result is mainly based on the regional damage probability distribution of Tank o₂, and the subsequent regional damage probability distribution decreases gradually. Through the research, the tank explosion sequence set with the maximum damage probability, the corresponding damage probability set and the tank damage probability distribution set are obtained, and the calculation of the regional damage probability distribution of the simultaneous explosions of multiple storage tanks is realized. The complexity of the storage tank explosion process in chemical industrial parks is caused by the differences in the energy provided during the initial explosion and the differences in the overpressure damage evolution process of storage tank explosions.

Key words: multi-tank explosion, damage evolution, explosion overpressure, regional damage, probability distribution

CLC Number:

X937

LI Shasha, CUI Tiejun. Research on evolution process of explosions-overpressure damage in multiple storage tank[J]. China Safety Science Journal, 2025, 35(11): 92-97.

Figures/Tables 6

Table 1

Material parameters stored in storage tanks

储罐	物质	x/m	y/m	体积/ m³	密度/ (kg·m^-3)	物体燃烧热 Q_f/(kJ·kg^-1)	类型
$o 1$	汽油	200	800	1000	730	41868	高压
$o 2$	柴油	900	100	2000	850	40320	常压
$o 3$	乙醇	700	700	900	800	22890	高压
$o 4$	乙醇	500	450	1500	800	22890	高压

Table 1

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