厚煤层不规则块段连续采煤机短壁开采技术.pdfVIP

学兔兔 第20卷第5期 (总第126期) 煤 矿 开 采 Vo1．20No．5(Series No．126) 2015年10月 C0AL MINING TECHNOLOGY October 2015 厚煤层不规则块段连续采煤机短壁开采技术 苗彦平 ，杜 涛。，王碧清 ，石晓光 (1．西安科技大学建筑与土木工程学院，陕西西安710054；2．陕煤集团神木张家峁矿业有限公司生产技术部，陕西榆林719300； 3．中国煤炭科工集团太原研究院有限公司，山西太原030006) [摘 要] 基于陕煤神木张家峁矿5-2煤北部残留不规则块段煤层厚、埋深浅、顶板稳定不易 垮落的特点，从巷道布置、设备配置、回采工艺、工作面通风等几方面，详细介绍了连续采煤机短壁 开采技术在厚煤层不规则块段回采中的应用。回采过程中，针对顶板不易垮落形成采空区大面积悬顶 的安全隐患，通过分段爆破强制放顶的方法，有效避免了顶板大面积垮落；通过构建区段边界回风通 道，改善工作面作业环境。现场实践表明，连续采煤机短壁开采技术适用于稳定顶板条件下厚煤层不 规则块段的开采，安全、高效地完成了5 煤北部残留不规则块段的回采。 [关键词] 连续采煤机；短壁开采；厚煤层；强制放顶；边界回风通道 [中图分类号]TD823．5 [文献标识码]A [文章编号]1006—6225(2015)05-0023—04 Short-wall 1Wining Technology of Anomalous Section in ck Coal-seanl witll Continuous Miner MIAO Yan—ping ，DU Tao ，WANG Bi—qing ，SHI Xiao-guang (1．Architecture＆Civil Engineering School，Xian University of Science＆Technology，Xian 710054，China； 2．Mining Technology Department，Shenmu Zhan~iamao Mining Co．，Ltd．，Shanxi Coal Group，Yulin 719300，China； 3．Taiyuan Research Institute Co．，Ltd．，China Coal Technology Engineering Group，Taiyuan 030006，China) Abstract：For the characteristic of thick coalseam，shallow buried depth，unstable roof，this paper introduced application of continu— OUS miner in anomalous section of thick coalseam from roadway arrangement，equipment configuration，mining technique and ventila— tion．In mining，the method of subsection blasting for forced roof caving was applied to avoiding roof large·area caving．By constructing boundary air—return way，mining operation environment was improved．Filed practice showed that continuous miner was adaptable for a- nomalous section of thick coalseam under stable roof and residual 5-2 coal no~hern anomalous section was m