【正文】 ........39 采煤方法 ............................................................................................................................40 采煤方法的選擇 ..................................................................................................40 工作面參數(shù)的確定 ..............................................................................................44 工作面生產(chǎn)能力及回采工藝 ..............................................................................474..4 采區(qū)巷道布置 ...................................................................................................................50 巷道掘進與掘進機械化 ....................................................................................................50 巷道斷面與支護方式 ..........................................................................................50 巷道掘進指標 ......................................................................................................50 掘進工作面?zhèn)€數(shù)及掘進設備 ..............................................................................51 工作面設備確定 ................................................................................................................51 勞動組織 ............................................................................................................................59 主要經(jīng)濟技術(shù)指標分析 ....................................................................................................59 經(jīng)濟技術(shù)指標 ......................................................................................................59 工作面經(jīng)濟技術(shù)指標表見表（481） .............................................................59第五章 礦井通風與安全 ..................................................................................................61 擬定礦井通風系統(tǒng) ............................................................................................................61 礦井通風系統(tǒng)的基本要求 ..................................................................................61 礦井通風類型的確定 ..........................................................................................62 設計服務范圍的確定 ..........................................................................................63 通風系統(tǒng) ..............................................................................................................64 礦井通風容易與困難時期的通風阻力計算 .........................................................64 計算礦井總風量 ................................................................................................................68 按井下同時工作的最多人數(shù)計算礦井總風量 ..................................................68 按井下采煤、掘進、硐室及其他工作地點實際需風量總和計算 ..................68 礦井通風設備的選型 ........................................................................................................69 計算礦井通風等積孔 ........................................................................................................70 預防瓦斯、火、礦塵、水和頂板等事故的安全技術(shù)措施 ............................................70 預防瓦斯和煤塵爆炸的措施 ..............................................................................71 煤層自燃火災的防治 ..........................................................................................71 氮氣防滅火系統(tǒng) ..................................................................................................72 輔助防滅火系統(tǒng) ..................................................................................................74 綜采放頂煤工作面防滅火其它措施 ..................................................................74 外因火災的防治 ..................................................................................................75 水災的防治措施 ..................................................................................................76 避災絡線及安全出口 ..........................................................................................76 安全標志牌 ..........................................................................................................77第六章 提升、運輸、排水、壓縮空氣設備選型 ..........................................................77 礦井提升設備選型 ............................................................................................................77 主井提升設備 ......................................................................................................77 副井提升 ..............................................................................................................77 主井提升 ..............................................................................................................78 主運輸設備選型 ................................................................................................................80 主運輸設備 ..........................................................................................................80 輔運輸設備 ..........................................................................................................80 礦井排水設備選型 ............................................................................................................83 水平排水設施 ......................................................................................................83 井下主排水泵房排水設備 ..................................................................................84 壓縮空氣設備選型 ............................................................................................................86 設計依據(jù) ..............................................................................................................86 501 采區(qū)壓縮空氣設備及管路 ........................................................................86第七章 建井工期 ..............................................................................................................87 移交標準 ............................................................................................................................87 礦井設計施工準備 .............................................................................................87 井巷工程量 ........................................................................................................................88 礦井建設總工期由施工準備期和施工期構(gòu)成 .................................................