Based on the analysis of some fire condition we thought that combustibles, incomplete combustion of heavy oil and pitch volatilization was the key to the fire.

• 本文从着火的几个要素出发,经分析认为可燃物主要是重油和沥青挥发分燃烧不完全的产物,由于沿途不断的降温而大量沉积,在特定触发条件下着火。