【正文】 ........................................................................................ 8 礦井水文地質 .............................................................................................................. 9 ..................................................................................................................11 煤層特征 ..............................................................................................................................11 ..................................................................................................................11 ..................................................................................................................11 ..................................................................................................................11 、煤塵及自燃情況 ............................................................................................ 12 ................................................................................................................. 12 第二章 井田開拓 ............................................................................................................................. 14 井田境界及開采儲量 ........................................................................................................... 14 ................................................................................................................. 14 ................................................................................................................. 16 .................................................................................. 18 井田開拓 ............................................................................................................................. 19 ................................................................................................ 19 .......................................................................................................... 26 ................................................................................................... 31 ................................................................................................................. 36 第三章 采煤方法 及采取巷道布置 .................................................................................................... 39 煤層地質特征 ...................................................................................................................... 39 .......................................................................................................... 39 ................................................................................................................. 39 、底板條件 ................................................................................................... 39 .............................................................................................................. 39 ..................................................................................... 39 .......................................................................................................... 39 ................................................................................................................. 39 中國礦業(yè)大學 2020 屆本科生畢業(yè)設計 第 2 頁 .............................................................................................................. 39 帶區(qū)巷道布置及生產系統(tǒng) .................................................................................................... 40 .......................................................................................................... 40 ................................................................................................................. 40 ................................................................................................................. 40 .......................................................................................................... 41 ................................................................................................ 42 ......................................................................................... 42 .......................................................................................................... 43 .......................................................................................................... 45 采煤方法 ............................................................................................................................. 46 .......................................................................................................... 46 ................................................................................ 錯誤 !未定義書簽。 第四章 礦井通風 ................................................................................................... 錯誤 !未定義書簽。 ...................................................................... 錯誤 !未定義書簽。 帶區(qū)通風 ................................................................................................... 錯誤 !未定義書簽。 ................................................................................ 錯誤 !未定義書簽。 ............................................................................. 錯誤 !未定義書簽。 ......................................................................... 錯誤 !未定義書簽。 ................................................................................ 錯誤 !未定義書簽。 .................................................................. 錯誤 !未定義書簽。 .......................................... 錯誤 !未定義書簽。 ......................................................................... 錯誤 !未定義書簽。 ....................................................................................... 錯誤 !未定義書簽。 礦井主要通風機選型 ................................................................................. 錯誤