。鸡西煤矿井田地质构造复杂,煤层倾角13o~16o。煤种以焦煤为主。井田内共有层6可采煤层,,,。本煤矿设计采用双立井、多水平、分组集中大巷、上山式开拓方式。主井采用12t箕斗提升。副井采用1t罐笼提升。主运输采用蓄电池式电机车牵引3t固定式矿车。一水平设4个采区,设计采区布置三条岩层上山,。设计工作面采用走向长壁后退式综合机械化采煤工艺,“四-六”工作制。正阳煤矿属高瓦斯矿井,采用采区单独抽出式通风。关键词:立井开拓;上山;综合机械化采煤工艺。,,,,,multilevel,,,-mechanizedcoalminingtechnology,”six-four”:verticalshaftdevelopment;rise;full-..........................................................................................................................IAbstract....................................................................................................................II第1章井田概况及地质特征................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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