端帮陡帮开采在石头梅一号露天煤矿的应用  

Application of end slope and steep slope mining in Shitoumei No.1 Open-pit Coal Mine

作　　者：吕承贤 朱文宏 张东华[2] LYU Chengxian;ZHU Wenhong;ZHANG Donghua(Hami Branch of Xinjiang Energy Co.,Ltd.,Hami 839200,China;School of Mines,Taiyuan University of Technology,Taiyuan 030024,China)

机构地区：[1]新疆能源(集团)有限责任公司哈密分公司,新疆哈密839200 [2]太原理工大学矿业工程学院,山西太原030024

出　　处：《露天采矿技术》2023年第3期55-57,共3页Opencast Mining Technology

基　　金：山西省省筹资金资助回国留学人员科研资助项目(2021-045)。

摘　　要：为了提高煤炭资源回采率,基于石头梅一号露天煤矿的地质条件,介绍了陡帮开采的实施背景,提出了煤台阶700~640 m水平间的6个水平从上到下逐渐靠帮的具体方案,西端帮边坡角从35°提升至42°。结果表明:2022年1月到5月,在西端帮利用陡帮开采技术成功地额外回收68.9万t原煤,靠帮开采产生的经济效益约23288万元,减少外排土场占地面积约3.4 hm2,经济效益和环境效益显著。In order to improve the recovery rate of coal resources,based on the geological conditions of Shitoumei No.1 Open-pit Coal Mine,the article introduces the implementation background of the steep slope mining,and puts forward the specific plans of 6 levels of coal benches ranging from 700 m to 640 m to gradually relying on slope from top to bottom.West end slope angle increased from 35°to 42°.The results show that during the five months from January to May in 2022,an additional 689,000 tons of raw coal was successfully recovered by using the steep slope mining technology in the west end slope.The economic benefit produced by slope mining is about 232.88 million.We reduce the external dump area about 3.4 hm2,economic and environmental benefits are obvious.

关 键 词：陡帮开采 可行性分析 边坡稳定 位移监测 经济效益 

分 类 号：TD824.5[矿业工程—煤矿开采]