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气瓶为什么要戴安全帽 | 2013-3-14 16:21:00

充装各种气体的钢瓶,在瓶嘴上都有一个控制气体进出的瓶阀。在这个瓶阀上配戴上帽子,以保证瓶阀不受机械损伤,保证安全,它是气瓶的一个重要附件,人们称之为安全帽。

  为什么气瓶要配戴安全帽?

  因为钢瓶的瓶阀大都是用铜合金制成的,比较脆弱,尽管有的是用钢材来制造,但由于它的结构比瓶体细小,旋在瓶体上面使瓶颈与瓶阀接头间形成一个直角,它既是瓶体的脆弱点,又是瓶体的突出点,最易受到机械损伤或外来的冲击。如果在搬运、贮存、使用过程中,由于损伤不慎,气瓶的跌倒、坠落、滚动或受到其他硬物的撞击,易出现瓶阀接头与瓶颈连接处齐根断裂的情况。

  瓶颈或瓶阀断裂的后果,造成瓶内的高压气体失去控制,使高压的气体喷出,其反作用力使气瓶向反方向猛冲,能使机器设备、建筑物受到损坏,甚至造成人员伤亡,瓶内高速喷出的气体将由气瓶内气体的性质决定而带来更加严重的二次事故(如火灾、、中毒等)。如瓶内充装是可燃气体,由于高速喷射的激烈摩擦而产生的静电或遇其他火源便可引起燃烧 

  另一方面:瓶阀暴露在外面,在搬运、贮存过程中,很易侵入灰尘或油脂类物质,从而带来危险。而戴上安全帽就可防止灰尘或油脂类物质的沾染和侵入。

  为了消除上述的危险性,所以要求制瓶单位在钢瓶出厂时都要配有安全帽。用气时把安全帽旋下放到固定地点,用毕后及时把瓶帽戴上旋紧,切勿乱扔。在搬运装卸时切忌忘戴安全帽。充气单位对于钢瓶无安全帽者不得给予充气。

By:安全小兵 | 阅读全文 | 回复(17) | 引用通告 | 编辑
Re:在漫画中识别身边的违章 | 2017-3-4 13:09:05
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Re:在漫画中识别身边的违章 | 2017-2-20 19:03:06
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Re:在漫画中识别身边的违章 | 2016-10-22 18:48:46
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Re:在漫画中识别身边的违章 | 2016-10-21 1:11:10
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Re:在漫画中识别身边的违章 | 2016-10-20 17:40:07
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Re:在漫画中识别身边的违章 | 2016-10-19 13:43:42
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Re:在漫画中识别身边的违章 | 2016-10-17 22:41:31
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Re:在漫画中识别身边的违章 | 2016-10-17 21:30:05
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Re:在漫画中识别身边的违章 | 2016-10-16 16:55:50
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Re:在漫画中识别身边的违章 | 2016-10-10 3:51:44
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Re:在漫画中识别身边的违章 | 2016-10-8 14:48:42
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原创 | 2016-9-30 11:09:41
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原创 | 2016-9-28 16:33:35
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原创 | 2016-9-6 16:58:19
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