平朔矿区综放开采顶煤放出规律试验研究  

Experimental Study on Fully Mechanized Top Coal Caving Law in Pingshuo Mining Area

作　　者：陈庆丰[1] 陈忠辉[1] 李辉[1] 曾东[1] 

机构地区：[1]中国矿业大学(北京)力学与建筑工程学院,北京100083

出　　处：《煤炭工程》2014年第1期90-93,共4页Coal Engineering

基　　金：国家自然科学基金(51174208;50834005);中央高校基本科研业务费专项资金项目(2011YL01)

摘　　要：文章对平朔矿区综放开采的顶煤放出规律进行了研究,针对平朔4#煤、9#煤进行了顶煤放出的相似性模拟试验,得出了不同采放比、使用不同开采方式下顶煤放出含矸率及顶煤放出率的相对关系。通过实验数据分析,得出了平朔矿区综放开采的合理放煤工艺为一采一放。在现场实际放煤过程中,可将煤流中的矸石比例达到1/5作为终止放煤的依据。The top - coal drawing law of fully - mechanized caving mining in Pingshuo mining area was studied. Taking the Pingshuo 4＂ and 9~ coal as specimen, the simulation experiment on the law of top - coal movement and caving was conducted, to obtain the variation of gangue content under different caving ratio and mining methods. The data shows that the reasonable mining method at Pingshuo mining area is one cutting with one caving. In the practice of coal caving, the coal drawing should be stopped at the gangue ratio of 1/5.

关 键 词：综放开采 采放比 含矸率 放煤工艺 

分 类 号：TD823.49[矿业工程—煤矿开采]