当液化石油气大量泄漏时，在切断气源积极堵漏的同时，避免爆燃则是处置险情成功的关键。就是身经百战的老消防，在处置液化石油气突发泄漏事故时最担忧的也是爆燃。爆燃的发生难以预料，难有把握可言。原因在于火种的难控，稍有点火源，哪怕是静电火花都可能引发恶性爆炸事故 When a large number of liquefied petroleum gas leak, cut off the gas source actively plugging at the same time, to avoid the deflagration is the key to the success of dangerous situations. Is well-experienced old fire, in the event of a sudden leakage of liquefied petroleum gas is most worried about the deflagration. The occurrence of deflagration unpredictable, difficult to say at all. The reason is that the fire is difficult to control, a little ignition source, even if it is static spark may lead to a vicious explosion