【正文】 .......................... 1 井田邊界 .............................................................................................................. 1 礦區(qū)內(nèi)工農(nóng)業(yè)生產(chǎn)及主要建筑材料供應(yīng)情況 .................................................. 2 礦區(qū)氣候條件 ...................................................................................................... 2 水電供應(yīng) .............................................................................................................. 3 井田地質(zhì)特征 .................................................................................................................. 3 井田內(nèi)的地質(zhì)情況 .............................................................................................. 3 井田的勘探 .......................................................................................................... 4 井田的地質(zhì)構(gòu)造及地質(zhì)變動(dòng) .............................................................................. 5 井田的水文地質(zhì)特征 .......................................................................................... 6 井田的涌水量 ...................................................................................................... 7 煤層特征 .......................................................................................................................... 7 概述 ...................................................................................................................... 7 煤層的圍巖性質(zhì) .................................................................................................. 8 煤的特征 .............................................................................................................. 8 煤質(zhì)及工業(yè)用途評(píng)述 ........................................................................................ 10 煤塵、瓦斯和煤的自燃情況 ............................................................................ 10 2 井田開(kāi)拓 ................................................................................................................................... 11 井田境界及可采儲(chǔ)量 ..................................................................................................... 11 井田境界 ............................................................................................................ 11 可采儲(chǔ)量 ............................................................................................................ 12 礦井設(shè)計(jì)生產(chǎn)能力及服務(wù)年限 ....................................................................... 16 井田開(kāi)拓 ....................................................................................................................... 17 井田開(kāi)拓的基本問(wèn)題 ....................................................................................... 17 礦井基本巷道 ................................................................................................... 24 大巷運(yùn)輸設(shè)備選擇 ........................................................................................... 32 3 采煤方法及采區(qū)巷道布置 ....................................................................................................... 34 煤層的地質(zhì)特征 ........................................................................................................... 34 采區(qū)巷道布置及生產(chǎn)系統(tǒng) ........................................................................................... 35 采區(qū)走向長(zhǎng)度 ................................................................................................... 35 區(qū)段斜長(zhǎng)及數(shù)目 ............................................................................................... 35 煤柱尺寸的確定 ............................................................................................... 35 采區(qū)巷道布置 ................................................................................................... 36 確定回采工作面數(shù)目 ....................................................................................... 36 采區(qū)工作面接替順序 ....................................................................................... 36 確定采區(qū)的運(yùn)輸系統(tǒng) ....................................................................................... 36 采區(qū)生產(chǎn)能力和采出率確定 ........................................................................... 37 采區(qū)車(chē)場(chǎng)選型 ................................................................................................... 39 采煤方法 ....................................................................................................................... 41 采煤工藝方式 ................................................................................................... 41 中國(guó)礦業(yè)大學(xué) 2021 屆本科生畢業(yè)設(shè)計(jì) 2 回采巷道布置 ................................................................................................... 49 4 礦井通風(fēng) ................................................................................................................................. 52 礦井通風(fēng)系統(tǒng)選擇 ....................................................................................................... 52 設(shè)計(jì)原則及考慮因素 ....................................................................................... 52 通風(fēng)方式確定 ................................................................................................... 52 通風(fēng)方法確定 ................................................................................................... 56 采區(qū)通風(fēng) ....................................................................................................................... 57 采區(qū)通風(fēng)系統(tǒng)要求 ........................................................................................... 57 工作面通風(fēng)方式的選擇 ................................................................................... 57 工作面通風(fēng) ....................................................................................................... 58 通風(fēng)構(gòu)筑物 ....................................................................................................... 59 采區(qū)通風(fēng)網(wǎng)絡(luò) ................................................................................................... 59 采區(qū)通風(fēng)系統(tǒng)評(píng)價(jià) ..............................................................................