摘要
叙述了放顶煤的概念、历史及放顶煤采煤法的工作流程,分析了煤炭回采率低的原因,提出了提高放顶煤工作面回采率的措施。
This paper described the concept and history of top coal caving and the working process of mining method of top coal caving,analyzed the reasons for low coal recovery rate and proposed the measures to improve the recovery rate of top coal caving face.
作者
奚源远
XI Yuanyuan(Yanzishan Coal Mine, Datong Coal Mine Group, Datong 037037, Shanxi, China)
出处
《能源与节能》
2019年第4期128-129,共2页
Energy and Energy Conservation
关键词
放顶煤回采
回采率
回采工艺
mining of top coal caving
recovery rate
stoping process
