使用焊炬和割炬时要注意哪些安全事项？--杨远锋的博客

使用焊炬和割炬时要注意哪些安全事项？

[ 2011-7-11 20:01:00 | By: 杨远锋 ]

焊炬又名焊枪，它的作用是将可燃气体与氧气混合，形成具有一定能量的焊接火焰。割炬又名割刀、切割器，其作用是使氧气与乙炔按比例混合，形成预热火焰，将高压纯氧喷射到被切割的工件上，形成割缝。
在使用焊枪和割炬前，必须先检查吸射性能和气密性；点火时先打开乙炔阀并点燃，后开氧气调节火焰；关火时应先关乙炔，后关氧气，发生回火时应立即关闭乙炔和氧气。停止使用时严禁将焊炬、胶管和气源做永久性连接。

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原创

[ 2016-9-6 17:11:08 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:46:45 | By: 原创(游客) ]

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原创

[ 2016-9-30 11:23:29 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-15 12:19:37 | By: xzdhl(游客) ]

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Re:在漫画中识别身边的违章

[ 2016-10-15 19:45:21 | By: ynsux(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

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