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如何灭液化石油气火灾
[ 2013-3-20 8:22:00 | By:
杨远锋
]
在日常使用液化石油气的过程中,不慎着火,大都是由于起火后不知所措,而造成火势扩大,灾害升级,酿成重大损失。假若人们知道灭火方法,就可以迅速采取相应灭火措施,就不会造成多大损失。所以说,灭火一定要早,灭小,灭了。
液化石油气在使用中失火有以下几个原因。
(1)液化石油气瓶嘴与减压阀连接处漏气或密封胶圈失效漏气而引起失火。
(2)连接气瓶和灶具的软管老化漏气或连接处不严漏气失火。
(3)液化石油气灶具漏气失火。
(4)液化石油气瓶上的阀门漏气失火。
若因以上原因失火,应立即关闭液化石油气瓶上的角阀,切断漏气的气源,火焰会很快熄灭,这是最简单易行的方法。
关闭液化石油气瓶的角阀可以采取以下三种方法:
(1)徒手关闭角阀:徒手关闭角阀适用于着火初期,火焰不大,着火时间又短,才可徒手关闭角阀。徒手关闭角阀要特别留心关闭方向。由于惊慌失措,误将角阀关闭 方向关反,反而将角阀开大,不但不能救火,反而造成事故扩大,这一点要特别引起注意。
徒手关闭阀门,动作要迅速,不可犹豫,要求一次关上。因此,液化石油气瓶不能放在不易操作的地方(如放在桌子底)。
(2)用湿毛巾盖上角阀后再关:着火时间较长,徒手关闭角阀已不可能时,可用湿毛巾从气瓶上的护圈没有缺口的侧面将毛巾抖开,下垂毛巾挡住人体,平盖在护圈上口,用湿毛巾迅速抓住角阀手轮,关闭角阀,火就会熄灭。
(3)戴手套关角阀:着火时间较长,徒手关闭角阀已不可能,可以戴上用水沾湿的湿手套迅速关闭角阀,以防止手被烫伤。
有人担心,正在着火时,关闭角阀会不会引起回火造成气瓶爆炸呢?不用担心,不会发生爆炸。因为液化石油气从气瓶流出首先经过减压阀再送往灶具燃烧,而减压阀出口压力是2764帕,而气瓶内的压力通常都在0.4兆帕以上,因此关闭角阀不会引起回火,也就不会造成气瓶爆炸。关闭角阀时一定注意不要把气瓶弄倒,否则会发生意外。
应做到:换回气瓶要检查,气瓶放置好开关,用完关闭阀和钮,学会灭火保安全。
气瓶着火可用干粉灭火剂灭火。市场上出售的干粉灭火剂有一种YE3型钠盐干粉,是以碳酸氢钠为主的干粉灭火剂,能用来扑救可燃气体,易燃液体和带电设备等着火,具有灭火速度快,毒性低,不腐蚀,不导电等特点,使用也比较方便。
气瓶着火时,可以手抓干粉灭火剂,顺着火焰喷出的方向撒干粉灭火剂,这样连续撒几次,火焰即可熄灭。火熄灭后应迅速关上气瓶上的角阀,若不关闭角阀还会有起火的危险。
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原创
[
2016-9-6 16:58:25
| By:
原创(游客)
]
http://njryw2016.lofter.com/post/1e59a72f_c3b6909 http://njryw2016.lofter.com/post/1e59a72f_c3b6908 http://njryw2016.lofter.com/post/1e59a72f_c3b6906 http://njryw2016.lofter.com/post/1e59a72f_c3b6905 http://njryw2016.lofter.com/post/1e59a72f_c3b6904 http://njryw2016.lofter.com/post/1e59a72f_c3b6903 http://njryw2016.lofter.com/post/1e59a72f_c3b6902 http://njryw2016.lofter.com/post/1e59a72f_c3b6901 http://njryw2016.lofter.com/post/1e59a72f_c3b6900 http://njryw2016.lofter.com/post/1e59a72f_c3b68ff
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Re:在漫画中识别身边的违章
[
2016-9-24 12:58:38
| By:
uycgk(游客)
]
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[
2016-9-28 16:33:41
| By:
原创(游客)
]
http://bjseoywj.lofter.com/post/1e66bf3e_c710957 http://seogsywj.lofter.com/post/1e634756_c6df452 http://seogsywj.lofter.com/post/1e634756_c6df50a http://ywjseo.lofter.com/post/1e634752_c651023 http://ywjseo.lofter.com/post/1e634752_c651936 http://bjseoywj.lofter.com/post/1e66bf3e_c71196a http://ywjseo.lofter.com/post/1e634752_c64f98e http://seogsywj.lofter.com/post/1e634756_c6de0e1 http://seogsywj.lofter.com/post/1e634756_c6ddf15 http://ywjseo.lofter.com/post/1e634752_c651955
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原创
[
2016-9-30 11:09:48
| By:
原创(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-10 3:07:05
| By:
vyaei(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-12 12:01:02
| By:
lptxb(游客)
]
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Re:在漫画中识别身边的违章
[
2016-10-14 16:07:47
| By:
hfxzc(游客)
]
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Re:在漫画中识别身边的违章
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2016-10-16 5:26:24
| By:
kpqux(游客)
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Re:在漫画中识别身边的违章
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2016-10-16 23:41:49
| By:
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]
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Re:在漫画中识别身边的违章
[
2016-10-17 11:31:19
| By:
epehl(游客)
]
http://www.jxedt.com/wen/kaoshi/3171135519591628854.html
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http://www.jxedt.com/wen/qita/3171135592875425882.html
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Re:在漫画中识别身边的违章
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2016-10-20 0:27:36
| By:
csupt(游客)
]
http://www.esafety.cn/blog/wll/73171/archives/2012/120169.html
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http://www.jxedt.com/wen/quzheng/3171606681129451602.html
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Re:在漫画中识别身边的违章
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2016-10-22 18:40:14
| By:
prvzd(游客)
]
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Re:在漫画中识别身边的违章
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2017-2-20 18:09:15
| By:
vnqsv(游客)
]
http://wen.28.com/article/119102
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http://wen.28.com/article/119109
http://wen.28.com/article/119111
http://wen.28.com/article/119110
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