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面包车爆炸面目全非 罪魁祸首竟是车内的氢气球

2017-05-10 05:40:49   燕赵都市报

5月6日下午,鹿泉区太平河南岸一辆面包车发生爆炸。一名群众被炸伤,面包车被炸得面目全非,而事故的罪魁祸首,竟然是车内的氢气球。气球为何会爆炸?日常生活中,还有哪些物品可能会成为车内的火灾隐患?记者就这些问题进行了采访。

消防官兵灭火。

面包车面目全非。

车内还有气球残片。

卖氢气球的

面包车发生爆炸

5月6日16时29分,石家庄消防大队鹿泉中队接到群众报警:在鹿泉区太平河南岸海山大街路口,一辆面包车发生爆炸,一名群众被炸伤,情况危急。

16时36分,12名消防官兵赶到现场。经侦查,现场已无明火,发生爆炸的车辆初步判断为一辆贩卖氢气球的面包车,车辆几乎解体,现场一片狼藉。在面包车里、地面上还可以看到不少气球残片。

为降低成本多用氢气填充气球

一名出售氢气球的商贩告诉记者,如今市场上出售的卡通气球,填装的多是氢气。其实按照国家标准,应该使用氦气,但氦气的价格是氢气的10倍,所以他们基本上都是用氢气替代氦气,以降低成本。“街头售卖的玩具气球,如果填充氦气,成本就得10元以上,所以还是会选择氢气作为填充气体。”这名商贩说,对于氢气球可能带来的安全隐患,他们也有所了解,但一直觉得只要平时使用时注意避免明火,一般就不会发生安全事故。

氢气球为什么会爆炸?

氢气球为什么会有这么大的威力?

据有关人士介绍,氢气是比较活跃的易燃易爆气体,氢气含量达到一定量以后,遇到静电会产生摩擦而自燃。车内空间相对封闭,人们穿的化纤衣服、车里的坐垫等物品都有可能产生静电,静电聚集产生火花,很容易导致气球爆炸。

不仅静电可能导致气球爆炸,就连在玩气球的过程中吃橘子都很危险。根据化学中的“相似相溶原理”,当两种有机物相接触时,会彼此互溶。果皮汁内的柠檬烯的芳香烃相当于溶剂,而气球中的乳胶则充当了溶质,两者相遇后,柠檬烯溶解了乳胶,使气球表面局部变薄,原有的受力平衡被打破,使气球能承受的压力变小,从而发生爆炸。除了橘子之外,柠檬、橙子、柚子等水果的表皮,都有导致气球爆炸的可能。

责任编辑:穆启春 CN063
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