焊接作业职业危害有哪些--qsf999的安全生产小屋

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焊接作业职业危害有哪些 | 2013-7-24 10:11:00

焊接作业职业危害有哪些

电弧焊接时，焊条的焊芯、药皮和金属母材在电弧高温下熔化、蒸发、氧化、凝集，产生大量金属氧化物及其他物质的烟尘，长期吸入可引起焊工尘肺，吸入烟尘中的金属氧化物还可引起金属烟尘热。

　　电弧焊接时，焊条的焊芯、药皮和金属母材在电弧高温下熔化、蒸发、氧化、凝集，产生大量金属氧化物及其他物质的烟尘，长期吸入可引起焊工尘肺，吸入烟尘中的金属氧化物还可引起金属烟尘热。氧化锰是电焊烟尘中的重要毒物，长期高浓度吸入澄海人才网招聘信息可引起慢性锰中毒。焊接时弧区周围还会形成多种有害气体，可产生臭氧、一氧化碳、氮氧化物，臭氧是氩弧焊和等离子弧焊的主要危害因素之一，二氧化碳气体保护焊接产生的一氧化碳浓度最高。焊接电弧是一种很强的光源，能产生中、短波紫外线，可引起电光性眼炎。非熔化极氩弧焊和等离子弧焊需借助高频振荡器激发引弧，在引弧的瞬间(2～3秒))有高频电磁场存在。等离子喷焊可产生90～123分贝的强噪声。非熔化极氩弧焊和等离子弧焊使用钛钨棒电极，能放出α、β、γ三种射线。

By:qsf999 | 阅读全文 | 回复(16) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2017-2-20 17:24:06

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Re:在漫画中识别身边的违章 | 2017-2-17 23:38:11

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By:fuycf(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 18:17:13

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By:aejlp(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 12:22:37

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By:hmoso(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-21 15:42:36

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Re:在漫画中识别身边的违章 | 2016-10-21 15:03:09

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Re:在漫画中识别身边的违章 | 2016-10-20 17:32:46

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By:zvzdh(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-16 17:07:03

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By:hgwyb(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-16 4:03:38

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Re:在漫画中识别身边的违章 | 2016-10-9 5:25:42

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By:aeimq(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

原创 | 2016-9-30 15:35:00

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原创 | 2016-9-28 20:52:37

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原创 | 2016-9-6 21:17:56

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By:原创(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:焊接作业职业危害有哪些 | 2013-7-28 18:06:28

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