The article analyses the hazardous characteristics of boiling liquid-expanding vapour explosion(BLEVE) in liquefied petroleum gas (LPG) tanks and makes research on its infection factors.

• 液化石油气的生产、储运过程中,由火焰加热引发的蒸气爆炸事故屡有发生,并常相继导致其他类型的爆炸。