缓倾斜煤层连续采煤机短壁开采工艺研究与应用-中国矿业大学.PDFVIP

第 31 卷 第 1 期 采矿与安全工程学报 Vol.31 No.1 2014 年 01 月 Journal of Mining Safety Engineering Jan. 2014 文章编号：1673-3363-(2014)01-0055-051 缓倾斜煤层连续采煤机短壁开采工艺研究与应用 1,2 1 2 周茂普 ,曹胜根 ,江小军 (1 ．中国矿业大学煤炭资源与安全开采国家重点实验室，江苏 徐州 221116 ； 2 ．中国煤炭科工集团太原研究院，山西 太原 030006) 摘要 针对缓倾斜煤层角度较大造成的连续采煤机设备运行和开采困难等问题，提出采用调伪斜 布置巷道、选择履带式运输设备以及调整连续采煤机进刀方式等，保障连续采煤机及后配套设备 能够在合理的角度范围之内运行，将三角遗煤降到最低，实现连续采煤机在缓倾斜煤层条件下的 安全高效开采。实践表明：东坡煤矿缓倾斜煤层连续采煤机开采取得了月均进尺 550 m/单巷，月 均回采煤炭 5.5 万 t ，为连续采煤机在我国缓倾斜煤层的应用提供了宝贵经验。 关键词 连续采煤机；缓倾斜煤层；综采工作面；连续运输系统 中国分类号 TD 823 文献标志码 A Research on the application of continuous miner shortwall mining technology in gently inclined longwall face 1,2 1 2 ZHOU Maopu ，CAO Shenggen ，JIANG Xiaojun (1 ．State Key Laboratory of Coal Resources and Safe Mining ，China University of Mining Technology ，Xuzhou ，Jiangsu 221116 ，China ；2 ．Taiyuan Institute, China Coal Technology and Engineering Group，Taiyuan，Shanxi 030006，China) Abstract To solve the problems in the operation of continuous miners in mining caused by big- ger-angled gently inclined coal seam, this paper proposes such strategies as adjustment on apparent dip in roadway arrangement, choice of crawler type continuous transport system, and adjustment in feeding patterns of the continuous miner, which can insure the operation of the continuous miner and its post-support equipment in reasonable angles, minimize the amount of triangle residual coal, and realize the safe and high effi