主要介绍了在防爆洒水车试验时发现的问题并用虹吸现象的原理进行分析,然后对设计进行改进,并将虹吸现象的原理应用在防爆废气处理箱的改进设计中,取得了良好的效果。 This paper mainly introduces the problems found in the test of the explosion-proof sprinkler and analyzes the principle of the siphon phenomenon. Then the design is improved and the principle of siphon phenomenon is applied to the improved design of the explosion-proof exhaust gas treatment box. The good results have been obtained.