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煤矿井下火区安全管理 | 2011-9-2 7:27:00

1  必须绘制火区位置关系图,注明所有火区和曾经发火的地点。每一处火区都要按形成的先后顺序进行编号,建立火区管理卡片,并按规定将火区位置关系图和火区管理卡片移交给建设单位。

(煤矿安全规程第246修改)

2  封闭的火区,只有经取样化验证实火已熄灭后,方可启封或注销。(煤矿安全规程第248条)

火区同时具备下列条件时,方可认为火已熄灭:

a)  火区内的空气温度下降到30℃以下,或与火灾发生前该区的日常空气温度相同;

b)  火区内空气中的氧气浓度降到5.0%以下;

c)  火区内空气中不含有乙烯、乙炔,一氧化碳浓度在封闭期间内逐渐下降,并稳定在0.001%以下;

d)  火区的出水温度低于25℃,或与火灾发生前该区的日常出水温度相同;

e)  上述4项指标持续稳定的时间在1个月以上。

3  启封已熄灭的火区前,必须制定安全措施。(煤矿安全规程第249条)

  启封火区时,应逐段恢复通风,同时测定回风流中有无一氧化碳。发现复燃征兆时,必须立即停止向火区送风,并重新封闭火区。

  启封火区和恢复火区初期通风等工作,必须由矿山救护队负责进行,火区回风风流所经过巷道中的人员必须全部撤出。

  在启封火区工作完毕后的3天内,每班必须由矿山救护队检查通风工作,并测定水温、空气温度和空气成分。只有在确认火区完全熄灭、通风等情况良好后,方可组织施工。

4  不得在火区的同一煤层的周围进行掘进作业。(煤矿安全规程第250条)

  在同一煤层同一水平的火区两侧、煤层倾角小于35°的火区下部区段、火区下方邻近煤层进行掘进时,必须编制设计。掘进巷道时,必须有防止误冒、透火区的安全措施。

煤层倾角在35°以上的火区下部区段严禁进行掘进作业。

 

Re:煤矿井下火区安全管理 | 2011-9-2 7:29:46
章仁根做好煤矿井下火区安全管理,确保生产安全。
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原创 | 2016-9-6 21:46:15
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原创 | 2016-9-28 21:20:47
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原创 | 2016-9-30 16:03:55
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Re:在漫画中识别身边的违章 | 2016-10-7 23:40:54
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Re:在漫画中识别身边的违章 | 2016-10-11 7:02:26
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Re:在漫画中识别身边的违章 | 2016-10-16 6:02:57
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Re:在漫画中识别身边的违章 | 2016-10-20 14:55:17
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Re:在漫画中识别身边的违章 | 2016-10-22 4:20:54
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Re:在漫画中识别身边的违章 | 2016-10-22 5:48:53
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Re:在漫画中识别身边的违章 | 2016-10-22 9:42:40
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Re:在漫画中识别身边的违章 | 2016-10-22 14:33:20
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Re:在漫画中识别身边的违章 | 2017-2-18 23:38:18
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By:igyad(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 | 2017-2-19 23:40:54
kjzbf(游客)http://wen.28.com/article/87479
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By:kjzbf(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复
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