一、基本情况3月 2 8日 18时 10分 ,黑龙江省大庆市西海液化气站1台满载 2 0吨液化石油气槽车 ,在驶往龙井市途中 ,经过安图县安图镇长图铁路公铁立交桥时 ,槽车罐顶与桥洞下部刮撞 ,导致槽车罐顶 3个安全阀破裂 ,液化石油气大量外泄。得知槽车泄漏后驾驶员将车停在距离立交桥 First, the basic situation At 18:10 on March 28, Daqing City, Heilongjiang Province West Sea liquefied gas station 1 loaded with 20 tons of liquefied petroleum gas tanker on the way to Longjing City, after the Antu County Antu Figure When the railroad overpass is overpass, the top of the tank truck scrapes into the lower part of the bridge tunnel, resulting in the rupture of the three safety valves on the tank top and the massive leakage of liquefied petroleum gas. The driver was informed that the driver was parked at a distance overpass after the tanker was leaked