发生爆炸的储气罐为某正规压力容器厂2004年制造，设计压力1088MPa，设计温度100摄氏度，容积0.6m3，最高工作压力0.8MPa，内径650mm，总高2138mm，主要受压元件材质为Q235B，公称壁厚5mm。
The immediate cause of the explosion was probably the temperature of the oxygen-rich environment within the discharge hose of the air compressor which had dramatically increased by adiabatic compression. The heat of the oxygen rose beyond the auto-ignition temperature of the oil in the system and resulted in the explosion. The safety management system did not provide appropriate guidance on the operation and maintenance of OBA sets and the officer was not appropriately trained or drilled on the use of the equipment.
一、2020年12月发生的较大事故2020年12月19日，黑龙江省安达市万宝山园区海纳贝尔化工有限公司格雷车间一台1立方米的乳化反应釜（产品为噻吩乙醇，主要原料为甲苯和金属钠）在试生产期间突然发生爆炸，造成3人死亡、4人受伤。
