【正文】 The cost of the mine ventilation is yuan per ton. Key words: mine ventilation； ventilates the design； ventilation resistance I 目 錄 摘 要 .......................................................................................................................... I 1 礦區(qū)及安全概況井田地質(zhì)特征 ............................................................................. 1 礦區(qū)概況 .......................................................................................................... 1 位置與交通 ................................................................................................ 1 地形地勢及河流情況 ................................................................................ 1 氣象條件 .................................................................................................... 1 礦井用水 .................................................................................................... 2 井田地質(zhì)特征 .................................................................................................. 2 地質(zhì)構(gòu)造 .................................................................................................... 2 構(gòu)造 ............................................................................................................ 3 煤層 ............................................................................................................ 3 勘察工作 .................................................................................................... 6 礦井安全概況 .................................................................................................. 6 區(qū)域水文地質(zhì) ............................................................................................ 6 井田水文地質(zhì)條件 .................................................................................... 7 2 礦井儲量與生產(chǎn)能力 ............................................................................................. 9 井田邊界及儲量 .............................................................................................. 9 井田邊界 ..................................................................................................... 9 礦井生產(chǎn)能力及服務(wù)年限 ............................................................................ 10 工作制度 ................................................................................................... 10 3 井田開拓 ............................................................................................................... 11 井田開拓 .........................................................................................................11 井田開拓方式 ...........................................................................................11 井筒布置 ...................................................................................................11 水平劃分及階段垂高 .....................................................................................11 II 主要巷道斷面圖 ...................................................................................... 12 根據(jù)采區(qū)編制采區(qū)接續(xù)表 ............................................................................ 22 4 采區(qū)通風(fēng)設(shè)計(jì) ....................................................................................................... 23 采區(qū)通風(fēng) ........................................................................................................ 23 采區(qū)概況 .................................................................................................. 23 采區(qū)通風(fēng)設(shè)計(jì)原則及要求 ....................................................................... 23 采區(qū)參數(shù) ................................................................................................... 24 采區(qū)內(nèi)煤層開采順序 .............................................................................. 24 采區(qū)進(jìn)、回風(fēng)上山選擇及回采工作面風(fēng)流方向確定 .......................... 24 局部通風(fēng)設(shè)計(jì) ................................................................................................ 26 局部通風(fēng)設(shè)計(jì)原則 .................................................................................. 26 局部通風(fēng)方法 .......................................................................................... 27 風(fēng)筒的選擇 .............................................................................................. 27 通風(fēng)機(jī)的選擇 ........................................................................................... 28 局部通風(fēng)的安全措施 .............................................................................. 32 5 礦井通風(fēng)設(shè)計(jì) ....................................................................................................... 35 概況 ................................................................................................................ 35 井田概況 .................................................................................................. 35 對各水平瓦斯等級變化的預(yù)計(jì) .............................................................. 35 擬定礦井通風(fēng)系統(tǒng) ........................................................................................ 35 確定礦井主要通風(fēng)機(jī)的工作方法 .......................................................... 35 通風(fēng)系統(tǒng)的選擇 ...................................................................................... 36 計(jì)算和分配礦井總風(fēng)量 ................................................................................ 40 確定礦井通風(fēng)阻力容易和困難時期的礦井總風(fēng)量 .............................. 40 前期礦井風(fēng)量計(jì)算 .................................................................................. 40 后期礦井風(fēng)量計(jì)算 .................................................................................. 45 風(fēng)量分配 .................................................................................................. 49 III 風(fēng)速驗(yàn)算 .................................................................................................. 50 計(jì)算井巷通風(fēng)總阻力 .................................................................................... 53 繪制通風(fēng)前期和后期期的網(wǎng)絡(luò)圖 .......................................................... 54 制兩個時期井巷通風(fēng)阻力計(jì)算表 ............................