载入中.......................
http://www.esafety.cn/blog/wll/73171/index.html
载入中.......................
博客公告
载入中.......................
时间记忆
载入中.......................
博客登陆
载入中.......................
最新日志
载入中.......................
最新评论
载入中.......................
最新留言
载入中.......................
博客相册
博客好友
载入中.......................
友情连接
博客统计
载入中.......................
静电的形成及其危害 | 2012-1-6 20:21:00
静电的形成及其危害
1.静电的形成条件:
在石油化工生产中,静电放电对安全构成了重大威胁,但并非所有的静电放电都能引起爆炸事故。静电危害的形成必须同时具备以下3个基本条件:
1)带电体表面电荷所形成的静电场强度必须达到能击穿周围气体的强度。
2)静电放电的能量必须大于可燃物的最小点燃能量。
3)放电必须在爆炸混合物的爆炸浓度范围内发生。
另外,影响静电放电的因素很多,包括物料的种类、形态、环境条件、静电放电的种类等。
2.静电的危害:
★ 爆炸和火灾
爆炸和火灾是静电最大的危害。静电能量虽然不大,但因其电压很高而容易发生放电。当带电体与不带电或静电电位低的物体互相接近时,如果电位差达到300 V以上,就会出现火花放电。静电放电的火花能量,若已达到周围可燃物的最小着火能量,而且可燃物在空气中的浓度达到爆炸极限,就会立即发生燃烧或爆炸。
★ 静电电击对人体的危害
静电电击只发生在瞬间,通过人体的电流为瞬时冲击电流,其危害主要表现在3个方面:直接伤害、二次伤害、精神紧张。人体遭受电击时,会精神紧张,发生误操作、高空坠落、摔伤或触碰机械造成伤害等后果。
- 上一篇:她从没提起过你
- 下一篇:安装漏电保护器有哪些要求
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305734?shu=80267
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305751?ku=10027
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305772?xie=75173
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305806?jian=69499
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305801?ya=70935
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305805?ao=15591
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305824?shan=61157
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305845?kou=30879
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14305841?bing=59046
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015442?bo=19716
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015458?bao=78452
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015503?ao=61146
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015533?yu=91563
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015535?kai=39517
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015563?lou=16601
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015593?dai=24796
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015615?hui=28583
http://bbs.hsw.cn/apps.php?q=group&a=read&cyid=314&tid=14015673?yong=24896
http://www.czvv.com/k5aSn546p5a625aix5LmQ5o6I5p2D5Luj55CG44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ5o6I5p2D5oC75Luj44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ5bmz5Y-w5o6I5p2D5Luj55CG44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ5bmz5Y-w5o6I5p2D5oC75Luj44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ5a6Y572R44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ5bmz5Y-w5a6Y572R5Zyw5Z2A44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ6YCf5bqm5b-r5ZCX44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ5bmz5Y-w6YCf5bqm5b-r5ZCX44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.czvv.com/k5aSn546p5a625aix5LmQ6LeR6Lev44CQ5Luj55CGOTUyNDk5KFEp44CRp0c0cc0s0m0e0f0d0.html
http://www.jxedt.com/wen/qita/3170615450741178458.html
http://www.jxedt.com/wen/kaoshi/3170615450741178458.html
http://www.seowhy7.com/thread-56133749-1-1.html
http://www.esafety.cn/blog/wll/66030/archives/2011/108998.html
http://www.esafety.cn/blog/u/18525/archives/2012/119918.html
http://www.esafety.cn/blog/wll/73171/archives/2012/123592.html
http://www.jxedt.com/wen/qita/3170615465773891674.html
http://www.jxedt.com/wen/kaoshi/3170615465773891674.html
http://www.esafety.cn/blog/u/3012/archives/2010/101204.html
http://www.taobao.com/product/%E5%BF%86%E5%90%9B%E6%97%B6%E6%97%B6%E5%BD%A9%E8%BD%AF%E4%BB%B6%E5%AE%98%E7%BD%91Q952499.htm
http://www.taobao.com/product/%E6%97%B6%E6%97%B6%E5%BD%A9%E8%BD%AF%E4%BB%B6%E7%BD%91%E5%9D%80Q952499.htm
http://www.taobao.com/product/%E6%97%B6%E6%97%B6%E5%BD%A9%E5%8A%A9%E6%89%8B%E8%BD%AF%E4%BB%B6%E7%BD%91%E5%9D%80Q952499.htm
http://www.taobao.com/product/%E6%97%B6%E6%97%B6%E5%BD%A9%E5%AE%98%E7%BD%91%E7%BD%91%E5%9D%80%E5%A4%9A%E5%B0%91%E9%92%B1Q952499.htm
http://www.taobao.com/product/%E5%AE%98%E7%BD%91%E6%97%B6%E6%97%B6%E5%BD%A9%E7%8E%B0%E5%9C%BA%E5%BC%80%E5%A5%96%E7%BD%91Q952499.htm
http://www.taobao.com/product/%E5%8E%A6%E9%97%A8%E6%97%B6%E6%97%B6%E5%BD%A9%E5%AE%98%E7%BD%91%E5%BC%80%E5%A5%96%E7%BB%93%E6%9E%9CQ952499.htm
http://www.taobao.com/product/%E5%B9%BF%E4%B8%9C%E6%97%B6%E6%97%B6%E5%BD%A9%E5%AE%98%E7%BD%91%E5%BC%80%E5%A5%96%E7%BB%93%E6%9E%9CQ952499.htm
http://www.taobao.com/product/%E9%87%8D%E5%BA%86%E6%B1%9F%E8%A5%BF%E6%96%B0%E7%96%86%E6%97%B6%E6%97%B6%E5%BD%A9%E5%AE%98%E7%BD%91%E5%BC%80%E5%A5%96%E8%A7%86%E9%A2%91Q952499.htm
http://www.taobao.com/product/%E6%97%B6%E6%97%B6%E5%BD%A9360%E8%B5%B0%E5%8A%BF%E5%9B%BEQ952499.htm
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E6%97%B6%E6%97%B6%E5%BD%A9%E5%9C%B0%E5%9D%80%2B952499%28Q%29uze
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E5%BC%80%E6%88%B7%E6%9C%80%E9%AB%98%2B952499%28Q%29kos
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E5%B9%B3%E5%8F%B0%E5%BC%80%E6%88%B7%E6%9C%80%E9%AB%98%2B952499%28Q%29awaei
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A8%B1%E4%B9%90%E5%B9%B3%E5%8F%B0%E7%BD%91%E5%9D%80%E6%98%AF%E4%BB%80%E4%B9%88%2B952499%28Q%29qvacg
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A8%B1%E4%B9%90%E5%B9%B3%E5%8F%B0%E6%B3%A8%E5%86%8C%2B952499%28Q%29osvzd
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A8%B1%E4%B9%90%E5%B9%B3%E5%8F%B0%E6%97%B6%E6%97%B6%E5%BD%A9%2B952499%28Q%29lpt
http://www.biomart.cn/product/s?wd=%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A8%B1%E4%B9%90%E5%B9%B3%E5%8F%B0%E6%80%8E%E4%B9%88%E6%B3%A8%E5%86%8C%2B952499%28Q%29bfjn
http://www.biomart.cn/product/s?wd=%E6%97%B6%E6%97%B6%E5%BD%A9%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A8%B1%E4%B9%90%E5%B9%B3%E5%8F%B0%2B952499%28Q%29pnfhl
http://www.biomart.cn/product/s?wd=%E9%87%8D%E5%BA%86%E6%97%B6%E6%97%B6%E5%BD%A9%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A8%B1%E4%B9%90%E5%B9%B3%E5%8F%B0%2B952499%28Q%29mjzbf
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E6%B3%A8%E5%86%8C%E5%9C%B0%E5%9D%80952499Q_oswsw.htm
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E5%B9%B3%E5%8F%B0%E6%B3%A8%E5%86%8C%E5%9C%B0%E5%9D%80952499Q_fjoqu.htm
http://www.taobao.com/product/%E8%B0%81%E4%BB%A3%E7%90%86%E7%BA%A2%E6%A0%91%E6%9E%97952499Q_cgk.htm
http://www.taobao.com/product/%E8%B0%81%E4%BB%A3%E7%90%86%E7%BA%A2%E6%A0%91%E6%9E%97%E5%B9%B3%E5%8F%B0952499Q_mkce.htm
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E5%B9%B3%E5%8F%B0%E5%A5%96%E9%87%91%E5%A4%9A%E5%B0%91952499Q_loq.htm
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E5%B9%B3%E5%8F%B0%E8%BF%94%E7%82%B9%E5%A4%9A%E5%B0%91952499Q_zdi.htm
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A5%96%E9%87%91%E5%A4%9A%E5%B0%91952499Q_oswae.htm
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E8%BF%94%E7%82%B9%E5%A4%9A%E5%B0%91952499Q_gew.htm
http://www.taobao.com/product/%E7%BA%A2%E6%A0%91%E6%9E%97%E5%A5%96%E9%87%91%E9%AB%98%E5%90%97952499Q_bfi.htm
易安博客 版权所有