综采工作面大倾角开采的实践

2781综采工作面是唐山矿业公司综采开采以来倾角最大的一个工作面,煤层最大倾角47°,最小13°,平均30°;回采期间采取了一系列措施,有效地防止了支架倾倒、下滑,采煤机和输送机下滑,确保了工作面正常回采。

Practice of Steep-inclined Mining in Fully Mechanized Coal Face

The 2781 face is the most steep-inclined one ever since Tangshan Mining Branch Company has started the fully mechanized mining method.The largest obliquity of the coal seam is 47 degree,the smallest is 13 degree and the average is 30 degree.To ensure the normal mining of the coal face,a series of measures have been adopted,which efficiently prevents from falling and sliding of the supports,and sliding of the shearer and the conveyor during the coal mining.