夏季点蚊香须预防火灾和中毒--杨远锋的博客

夏季点蚊香须预防火灾和中毒

[ 2012-6-25 14:51:00 | By: 杨远锋 ]

每到夏季，人们都喜欢点蚊香驱除蚊子。但是，若人们点燃蚊香后不注意安全，就有可能造成火灾和人员中毒事故。
　　一、预防火灾。蚊香具有很强的阴燃能力，其燃烧温度一般均在700℃左右，足以点燃纸张、木材、棉麻、化纤织物等可燃物，以至引起火灾。因此，人们在家中点蚊香时，一定要把蚊香固定在专用的铁架上，最好把铁架放置在瓷盘或金属器皿内，同时注意不要靠近窗帘、蚊帐、床单和衣物等可燃物旁，以免在风吹动时，把这些可燃物飘移到蚊香头上而引起火灾。人们外出时，一定要把蚊香熄灭，以免留下后患。在农村，农户在饲养棚内点蚊香时，一定要离可燃饲料等可燃物保持3米以上距离。对于一些茅草盖的饲养棚，最好不要在内点蚊香，喷洒某些药物驱除蚊子较好。
　　二、预防中毒。蚊香主要是由除虫菊为主要原料而制成的，其中还含有驱虫剂、苯酚、对甲苯、二甲苯等有毒成分。当蚊香燃烧时，苯类化合物会随烟雾飘散在空气中，同时还有如铅、镉、铬等有毒重金属溢出，人们一旦吸入，轻者可使人头昏，咳喘等疾病，长期使用可引起再生障碍性贫血或引起白血病等。另外，蚊香在燃烧时，会消耗大量的氧气，使空气中的二氧化碳增高。一旦氧气减少，蚊香不能充分燃烧，只能闷燃，其结果很容易产生一氧化碳等有毒气体，导致中毒事故的发生。蚊香燃烧后，还剩下8%左右的灰，若这些灰飘散到空气中，同样可经过人们的呼吸道进入气管和肺泡，对人体造成危害。
　　因此，人们在选用蚊香时，一定要选用质量优、毒性小的蚊香，切不可购买无生产许可证、且毒性大的劣质产品；要科学使用蚊香，尽量不要在睡觉时点蚊香，若无纱窗纱门，点蚊香睡觉时不要将蚊香点得太多，一般14—16平方米的居室点燃一盘就可以了。对于有纱窗纱门的家庭，最好是在黄昏时将门窗关紧，然后点燃蚊香，约一个小时后把门窗打开。此时，蚊子已基本熏死，少数不死的也会昏头转向，用扇子扇出，再将纱窗纱门关闭，使外面的蚊子不能入内，这样可减少蚊香燃烧时对人体的危害。

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原创

[ 2016-9-6 17:01:31 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:36:47 | By: 原创(游客) ]

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原创

[ 2016-9-30 11:13:23 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-16 6:31:25 | By: kprux(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-21 5:53:16 | By: nlcfj(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2016-10-21 13:18:35 | By: tzbhk(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

[ 2017-2-19 22:35:39 | By: gewbe(游客) ]

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Re:在漫画中识别身边的违章

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