【正文】 ................................................................ 34 井筒數(shù)目 ............................................................................................... 38 水平劃分 ............................................................................................... 38 煤層分組 ............................................................................................... 39 大巷布置 ............................................................................................... 39 煤層開采順序 ........................................................................................ 39 采區(qū)劃分與接替 ..................................................................................... 39 井筒特征 .......................................................................................................... 40 井筒用途、布置及裝備 .......................................................................... 40 井壁結構及井筒施工方法 ....................................................................... 43 井底車場及硐室 ............................................................................................... 43 井底車場布置 ........................................................................................ 43 井底車場主要硐室 ................................................................................. 43 井底車場主要巷道和硐室支護方式 ......................................................... 45 開采順序及采區(qū)、采煤工作面的配置 ................................................................ 45 煤層分組和開采順序 .............................................................................. 45 保證年產(chǎn)量的同采采區(qū)數(shù)和工作面數(shù) ..................................................... 45 井巷工程量和建井工期 ..................................................................................... 46 建井工期 ............................................................................................... 46 井巷工程量 ............................................................................................ 47 4 采煤方法 .................................................................................................................... 48 采煤方法的選擇 ............................................................................................... 49 采區(qū)巷道布置 ........................................................................................ 52 采區(qū)車場和硐室 ..................................................................................... 54 巷道掘進及機械化 ................................................................................. 54 采區(qū)生產(chǎn)系統(tǒng) ........................................................................................ 57 采煤工藝設計 ................................................................................................... 57 回采工作面參數(shù)的確定 .......................................................................... 57 主要采煤設備選型 ................................................................................. 58 工作面生產(chǎn)能力計算 .............................................................................. 65 工作面接替順序 ..................................................................................... 66 回采工序及工序安排 .............................................................................. 68 5 通風與安全 ................................................................................................................. 70 礦井通風系統(tǒng)的選擇 ............................................................................................... 70 礦井通風系統(tǒng) ........................................................................................ 70 風井數(shù)目及服務范圍 .............................................................................. 70 掘進通風及硐室通風 .............................................................................. 70 風量計算及風量分配 ........................................................................................ 73 風量計算及分配 ..................................................................................... 73 通風設施、 防止漏風和降低風阻的措施 .................................................. 77 反風方式及反風設施 .............................................................................. 78 全礦通風阻力計算 ............................................................................................ 79 通風阻力 ............................................................................................... 79 扇風機選型 ...................................................................................................... 83 選擇主扇 ............................................................................................... 83 通風設備選型 ........................................................................................ 83 6 運輸、提升及排水 ...................................................................................................... 87 礦井運輸 .......................................................................................................... 87 大巷煤炭運輸方式選擇 .......................................................................... 87 采區(qū)主要煤炭運輸方式及設備 ................................................................ 93 礦井一期輔助運輸設備 .......................................................................... 94 礦井提升 .......................................................................................................... 98 主斜井提升設備 ..................................................................................... 98 礦井排水 ..................................................................................................103 概述 .....................................................................................................103 排水設備選型計算 ................................................................................103 7技術經(jīng)濟指標 .............................................................................................................106 致謝 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