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hu nan hong wei mei kuang xin sheng mei kuang mei ceng wa si zu fen de chu bu fen xi
Pages: 48
Year: Issue:  4
Journal: Safety in Coal Mines

Keyword:  煤层瓦斯突出煤层初步分析煤矿烃含量生煤北票煤田突出区域突出机理煤和瓦斯突出;
Abstract: <正> 1977年8月在北票矿务局召开的北票煤田煤层瓦斯组份与突出关系的评议会,得出了在北票条件下,突出区域的重烃(C4°~C8°)含量可达1%(体积比),非突出区重烃含量低于1%,突出煤层与非突出煤层比较,重烃含量有明显差异的规律。这个规律是否具有普遍性,是对今后予测煤层区域性突出和探讨突出机理都具有一定意义的。为此我们对湖南红卫煤矿的突出井口(坦家冲工区)及非突出井口(龙家山工区),以及
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