摘要
介绍北皂煤矿合理确定轻放支架技术改造方案及技术参数 ,成功应用轻放工艺 ,取得较好经济效益 。
This paper introduces that Beizao coal mine makes rationally sure about the technical projection and technical parameters of transformation to light weight hydraulic caving support.The technology of light weight hydraulic caving is successfully used.This transformation gives good economic benefit and some experiments that can be minored to the similar mine.
出处
《煤矿机械》
北大核心
2001年第9期57-58,共2页
Coal Mine Machinery
关键词
轻型放顶煤液压支架
单摆杆
“三软”地层
支护强度
比压
技术改造
初撑力
light weight hydraulic caving support
single wobbling pole
three kinds of soft seam
strength of support
specific pressure
