摘要
分析了综采放顶采煤开采存在的采出率不高、含矸率增加、绝对瓦斯涌出量增加、空气中的粉尘浓度增加等问题,并提出一些解决方法。
The paper has made an analysis of existing problems in caving method, such as low recovery ratio, increasing tonstein rate, absolute gas discharge volume and dust concentration, and put forward some solutions.
出处
《江西煤炭科技》
2009年第3期80-81,共2页
Jiangxi Coal Science & Technology
关键词
综放开采
采出率
瓦斯涌出量
粉尘
防治措施
caving
recovery ratio
gas discharge volume
dust
prevention and control measures
