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摘要
,共有3层可采煤层,,煤层工业牌号为肥气煤。,。
本设计矿井采用双立井开拓方式,划分两个开采水平,9个采(带)带区。一个工作面达产,采用分层布置,24#、26#、29-3#层单独开采。,主井采用多绳摩擦箕斗提升,副井采用刚性组合罐道罐笼提升。
由于井田倾斜长度较大,且为缓倾斜煤层,以及受煤层地质条件等因素影响,决定本井田采用倾斜长壁和走向长壁相结合的采煤法开采,采煤工艺为综合机械化开采,采空区处理方法为全部垮落法。
关键词开拓水平倾斜开采走向长壁
Abstract
This design mineral well is the Shuangyashan mineral industry group limited pany almond flower coal mine a new well designs of , having totally 3 layers can adopt the coal seam, the average and total thickness coal seam industry card number is a fatty spirit coal, designing the well farmland can adopt to keep the Mt of deal, the service time years.
This mineral well design adoption a upright well expands the way, dividing the line to two levels, nine adopt the area. One workface reaches to adoption layering arranges,24#,26#,29-3#layer mines alone, The big lane conveyance adopts 10 ton a line type electrical engineering cars lead 3 ton bottom unload type mineral cars transport, The main well adoption many rope rub the box promotes, the vice- well adopts the bination a cage promotes.
Because the well farmland slant length is bigger, and incline the coal seam for the , and coal seam geology condition etc. factor effects, deciding this well farmland inside adoption slant and adopting coal method as the alignment long the wall adopts the coal method. adopting coal craft as to synthesize the mechanization adopt the coal craft, adopting empty the area handles method as all falls the method.
key words expands the level Inclined mining alignment long wall
目录
摘要 I
Abstract II
绪论 VII
第1章井田概况及地质特征 1
井田概况 1
交通位置 1
地形地势 2
气象和地震 2
井田区及邻区生产建设及规划情况 2
矿区经济状况 2
地质特征 3
地层 3
地质构造 3
煤层赋存状况及可采煤层特征 4
岩石性质、厚度特征 6
水文地质情况 7
沼气、煤尘及煤的自燃性 7
煤质、牌号及用途 8
勘探程度及可靠性 8
对地质勘探