Technology Center,Datong Coal Mine Group Corporation Limited

薄煤层开采效率受多种因素影响,以大斗沟煤矿薄煤层开采为基础,应用计算机模拟技术,将现场调研的停开机时间、采煤机速度及工艺参数作为模拟的基础数据,再现工作面生产过程,详细的分析了各影响因素对工作面开采效率的影响,发现了工作面生产系统存在的问题。模拟分析表明:生产设备因素和辅助设备因素是影响大斗沟煤矿82203工作面开采效率的最主要因素,82203工作面在地质条件和开采水平处于国内平均水平时,年产量可以达到58.4万t。模拟结果为提高薄煤层的开采效率,优化薄煤层工作面的生产环节提供了依据。

The thin seam mining eficntrate was nfuenced y many fcors.Acording to the thinscam ming ractices in Daodougou lMo e the nfiencefatos f he mn elicietratein the thin seam mning face were deremined.lith the downime and operationtime,the coa shearer seed and the tethical parameters fom thesite invstigato s the im latonbasis a a te compute simulason tehmol gy a apled o reaper the pouction pocess of thecal min faceto n detal analyze cath intluence factorafced to the mining eficientrae of the coal mning face and o eogice the poblem exstd n he proutio system of thecad minin azce.Thesnmulaton alysis showerdtht the production eouiomentfacor ant th auliar euiomentfactof were the manfactos affected o the mining eficienc of No.8203 cal mning fave in Dadougou Mie Thegeogcal ondtion and the minglv elof o 820s cadl mng vewere in te domestic average lvel and the anual producion coud e .5o4 ilin tons Thesimuatonresls coud providethe basis to mpov te.thinsam ming efiseny nd opimie the poduotion links of the thin seam mining face.