【文章內(nèi)容簡介】 ................................................63 回采工作面正規(guī)循環(huán)作業(yè) ...............................................................................................65 回采巷道布置 ............................................. 67 回采巷道布置方式 ............................................................................................................67 回采巷道參數(shù) ....................................................................................................................67 7 井下運輸 ..................................................... 70 概述 ..................................................... 70 井下運輸設(shè)計的原始條件和數(shù)據(jù) ...................................................................................70 礦井設(shè)計生產(chǎn)能力及工作制度 .......................................................................................70 運輸距離 和貨載量 ............................................................................................................70 盤區(qū)運輸設(shè)備選擇 ......................................... 72 設(shè)備選型原則： ................................................................................................................72 盤區(qū)運輸設(shè)備選型及能力驗算 .......................................................................................72 大巷運輸設(shè)備選擇 ......................................... 73 主運輸大巷設(shè)備選擇 ........................................................................................................73 輔助運輸大巷設(shè)備選擇 ...................................................................................................74 運輸設(shè)備能力驗算 ............................................................................................................76 8 礦井提升 ..................................................... 77 礦井提升概述 ............................................. 77 主副井提升 ............................................... 77 主井提升 ............................................................................................................................77 副井設(shè)備選型 ....................................................................................................................78 9 礦井通風(fēng) .................................................... 81 礦井通風(fēng)系統(tǒng)選擇 ......................................... 81 礦井通風(fēng)系統(tǒng)的確定 ........................................................................................................81 礦井通風(fēng)系統(tǒng)方案比較 ...................................................................................................85 盤區(qū)通風(fēng) ................................................. 86 采煤工作面通風(fēng)類型的確定 ...........................................................................................86 通風(fēng)構(gòu)筑物 ........................................................................................................................87 采煤工作面所需風(fēng)量的計算 ...........................................................................................88 掘進(jìn)通風(fēng) ................................................. 90 局部通風(fēng)方法和布置方式 ...............................................................................................90 掘進(jìn)工作面需風(fēng)量的計算 ...............................................................................................90 其它巷道所需風(fēng)量 ...........................................................................................................92 礦井總風(fēng)量 .......................................................................................................................92 礦井風(fēng)量的分配 ........................................... 93 礦井阻力計算 ...................................................................................................................94 風(fēng)速驗算 ...........................................................................................................................94 礦井通風(fēng)阻力 ....................................................................................................................95 礦井通風(fēng)總阻力 ................................................................................................................96 兩個時期的礦井總風(fēng)阻和總等積孔 ...............................................................................97 礦 井最大阻力路線 ............................................................................................................97 選擇礦井通風(fēng)設(shè)備 ........................................ 102 選擇主扇 ........................................................................................................................ 102 電動機選型 ..................................................................................................................... 103 安全災(zāi)害的預(yù)防措施 ...................................... 105 預(yù)防瓦斯和煤塵爆炸的措施 ........................................................................................ 105 預(yù)防井下火災(zāi)的措施 ..................................................................................................... 106 防水措施 ......................................................................................................................... 106 10 設(shè)計礦井基本技術(shù)經(jīng)濟指標(biāo) ................................... 109 礦井瓦斯綜合治理 .............................................. 111 1 瓦斯的生成 .................................................. 112 瓦斯存在狀態(tài) ............................................ 113 綜采工作面瓦斯來源 ...................................... 113 工作面瓦斯?jié)舛确植家?guī)律 .................................. 114 沿傾向長方向的分布 ....................................................................................................114 沿走向方向的分布 .........................................................................................................114 煤壁瓦斯涌出規(guī)律 .........................................................................................................114 采落煤塊的瓦斯涌出規(guī)律 .............................................................................................115 采空區(qū)瓦斯涌出規(guī)律 ......................................................................................................115 2 瓦斯涌出量 .................................................. 117