发生矿井水灾(突水)的预兆--qsf999的安全生产小屋

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发生矿井水灾(突水)的预兆 | 2011-9-11 15:33:00

发生矿井水灾(突水)的预兆

    1、本来是干燥光亮的煤，变得发暗潮湿，无光泽，空气变冷。
    2、出现雾气。井下空气中含有大量水蒸汽，湿度较大，当采掘工作面接近积水区时，空气骤然变冷，水蒸气变成雾气。
    3、煤岩壁挂汗。
    4、挂红。煤壁浸出的水发涩，有H2S臭味，附着在裂隙表面有暗红色氧化铁水锈。
    5、煤层发出嘶嘶水叫。
    6、地板鼓起，有时出现压力射流，水有甜味。
    7、顶板来压，产生裂缝，出现淋水。

By:qsf999 | 阅读全文 | 回复(13) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2017-2-18 13:55:47

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By:ycgko(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 | 2016-10-23 15:54:11

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Re:在漫画中识别身边的违章 | 2016-10-22 13:45:50

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Re:在漫画中识别身边的违章 | 2016-10-18 9:54:40

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Re:在漫画中识别身边的违章 | 2016-10-15 21:51:38

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By:soeim(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 | 2016-10-14 17:11:16

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By:wafhl(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 | 2016-10-11 13:33:25

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原创 | 2016-9-30 11:18:45

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原创 | 2016-9-28 16:42:28

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原创 | 2016-9-6 17:06:49

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