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邢台煤矿7205综采工作面,是邢台矿务局第一个金属网假顶下回采的综机工作面。该面长133米,倾角0～3°,下分层为1.7～3.2米,最薄处只有1米,平均采高为2.7米,其顶板为金属网人工假顶,底板为砂质页岩和较坚硬的灰白色细粉砂岩。选用英国进口的BJD-300型双滚筒可调高采煤机,滚筒直径为2米;采用ML-722型工作面输送机;安装88架西德克罗克钠—贝考瑞特两柱掩护式液压支架。
Xingtai Coal Mine 7205 fully mechanized mining face, Xingtai Mining Bureau is the first metal mesh under the heading of mining face mechanized mining. The face is 133 meters long, the dip angle is 0-3 °, the lower stratification is 1.7-3.2 meters, the thinnest place is only 1 meter and the average mining height is 2.7 meters. The roof is made of artificial mesh with metal mesh and the floor is sandy shale And hard gray-white fine sandstone. Choose BJD-300 double drum height-adjustable shearer imported from England, the drum diameter is 2 meters; Adopt ML-722 type face conveyor; install 88 West Crocodile - Hydraulic support.