摘要
以霍州煤电临汾宏大公司锦程煤矿10#煤层开采为工程背景,拟采用数值模拟等理论方法对10#煤层顶煤进行冒放性探讨,分析认为10#煤层顶煤冒放性良好,满足放顶煤开采工艺的要求。选择在10-205工作面进行了工业试验,工程实践也验证了10#煤层顶煤冒放性良好,其顶煤回收率高达89%,达到了预期效果。
The paper probes into the top coal caving property in No.10 seam in Jincheng Colliery by numerical simulation,which can satisfy the requirements for the top coal caving technique and achieve the expected effect with up to 89%recovery ratio at 10-205 working face.
作者
吴雪峰
Wu Xuefeng(HongdaJincheng Coal Industry Co.,Linfen,Shanxi 041000)
出处
《江西煤炭科技》
2022年第3期24-26,30,共4页
Jiangxi Coal Science & Technology
关键词
厚煤层
放顶煤
回收率
数值模拟
冒放性
thick coal seam
top coal caving
recovery ratio
numerical simulation
.caving property
