摘要
介绍了煤矿缓倾斜厚煤层带式回采膏体充填技术。这种回采技术是针对“三下”和埋藏比较浅的煤层,回采率可达95%以上,顶板得到了有效的控制,是一种值得推广的煤矿绿色开采模式。
A new cream back-fill strip mining technology is introduced, which is a green mining technology that worth popularization. This technology is mainly used for coal mining under buildings, railroads and water bodies, and for shallow coal seams. With this technology, the recovery rate can be up to 95% and the roof can be effectively controlled.
出处
《中国煤炭》
北大核心
2005年第7期37-38,共2页
China Coal
