BC干粉抑制93#汽油爆炸的最佳点火延迟时间研究

Optimum Ignition BC Powder 93 # Gasoline Explosion Suppression Delay Time Study

为了探究BC干粉抑制汽油蒸汽爆炸的效果研究,以93#汽油为例,在220 L爆炸罐内开展抑爆实验。通过时间继电器调节点火延迟时间,控制干粉在在油气爆燃转爆轰阶段喷射,以油气爆炸的最大爆炸压力、压力上升速率以及爆炸能量作为抑爆效果的衡量指标。实验结果表明:不同BC干粉浓度存在一个相同的最佳点火延迟时间为20 ms;BC干粉的最佳抑爆质量浓度在0.455 g/L左右,可以将油气的爆炸压力削减31.3%。

To explore the effect of study BC powder gasoline vapor explosion suppression to No. 93 gasoline, for example, carried out in the 220L tank explosion explosion suppression experiments. By adjusting the time delay relay ignition control powder in the oil and gas deflagration to detonation transition stage injection, the maximum explosion pressure and gas explosion, and the explosion pressure rise rate as a measure of energy explosion suppression effect. The experimental results showed that： the presence of different concentrations of a BC powder same optimum ignition delay time of 20ms; optimum concentration of BC powder explosion suppression is about 0.455g / L, can be explosive and gas pressure reduction of 31.3%.