【正文】 ................................................................... 37 礦井通風 線路現(xiàn)狀 ................................................................................. 38 ......................................................................................... 38 排碴系統(tǒng) .......................................................................................................... 39 ................................................................................................... 40 5 四期開采設計 ................................................................................... 41 礦床開采技術(shù)條件 ............................................................................................ 41 礦巖物理力學性質(zhì) ................................................................................. 41 .................................................................................. 42 巖石移動界線 ................................................................................................. 43 開采范圍及深度 ............................................................................................... 45 范圍 ................................................................................................ 45 ................................................................................................ 45 采礦方法 .......................................................................................................... 47 ................................................................................................ 47 采掘設備 ............................................................................................... 48 開拓方案選擇 ................................................................................................. 49 ................................................................................................ 49 開拓方案比選 ........................................................................................ 52 井位選擇 ............................................................................................... 53 中段高度及開采順序 .............................................................................. 54 .......................................................................................................... 54 提升系統(tǒng) ............................................................................................... 54 運輸系統(tǒng) ............................................................................................... 54 人行系統(tǒng) ............................................................................................... 55 材料系統(tǒng) ............................................................................................... 55 通風系統(tǒng) ............................................................................................... 56 動力系統(tǒng) ............................................................................................... 56 供水系統(tǒng) ............................................................................................... 57 排水系統(tǒng) ............................................................................................... 57 6 生產(chǎn)能力及服務年限 ........................................................................................ 58 生產(chǎn)能力的確定與校驗 .......................................................................... 58 生產(chǎn)服務年限 ........................................................................................ 59 6 機械電氣設備 ................................................................................... 60 .......................................................................................................... 60 四期主井提升設備 .............................................................................. 60 四期副井提升系統(tǒng) .............................................................................. 66 壓風系統(tǒng) .............................................................................................. 71 排水系統(tǒng) .............................................................................................. 73 .......................................................................................................... 74 供電 ..................................................................................................... 74 電氣傳動、自動化 .............................................................................. 76 供電設備 .............................................................................................. 76 7 礦井通風 ........................................................................................... 76 需風量計算 ...................................................................................................... 76 按井下最大班人數(shù)計算需風總量 ............................................................ 77 按排炮煙最低風速要求計算需風量 ......................................................... 77 按礦井年產(chǎn)量概算礦井需風總量 ............................................................ 78 按作業(yè)最大用風量計算所需風量 ............................................................ 78 通風線路 .......................................................................................................... 80 8 基建與生產(chǎn)持續(xù) ............................................................................... 81 .................................................................................. 82 基建計劃 .......................................................................................................... 83 三期與四期生產(chǎn)持續(xù) ........................................................................................ 85 .......................................................................................................... 86 .......................................................................................................... 86 9 環(huán)境保護 ........................................................................................... 87 設計依據(jù)的環(huán)保標準 ......................................................................................