【正文】 ............................................................................ 68 采礦方法 ................................................................................................. 69 采礦方法的選擇、回采順序 ............................................................ 69 采礦方法選擇 ............................................................................. 69 礦塊回采順序、基建礦塊數(shù)量及范圍 ...................................... 70 淺孔留礦采礦方法 .......................................................................... 70 礦塊結(jié)構(gòu) ..................................................................................... 70 采切工程 ..................................................................................... 70 回采工藝 ..................................................................................... 72 地壓控制及采空區(qū)處理 .............................................................. 73 設(shè)備選擇 ..................................................................................... 73 回采率及貧化率 ......................................................................... 73 采礦工藝主要技術(shù)經(jīng)濟(jì)指標(biāo) ...................................................... 73 分段鑿巖階段礦房法 ....................................................................... 74 礦塊結(jié)構(gòu)參數(shù) ............................................................................ 74 內(nèi)蒙古 XX 銅鉛鋅 多金屬 礦 20 萬噸 /年擴(kuò)建開采初步設(shè)計(jì) IV 采準(zhǔn)、切割 ................................................................................ 74 礦房回采 ..................................................................................... 75 采礦方法損失率、貧化率 .......................................................... 76 采空區(qū)處理 ................................................................................. 76 采場(chǎng)地壓控制 ............................................................................ 77 礦柱回收 ........................................................................................... 78 礦床綜合技術(shù)經(jīng)濟(jì)指標(biāo) ................................................................... 78 新增采礦設(shè) 備 ................................................................................... 79 礦山生產(chǎn)能力 ......................................................................................... 80 礦山工作制度 ................................................................................... 80 生產(chǎn)規(guī)模驗(yàn)證 ................................................................................... 80 產(chǎn)品方案 ........................................................................................... 81 礦山服務(wù)年限 ................................................................................... 81 礦井通風(fēng) ................................................................................................. 82 礦井通風(fēng)概述 ................................................................................... 82 礦井通風(fēng)條件 ................................................................................... 83 風(fēng)量計(jì)算 ........................................................................................... 84 通風(fēng)阻力計(jì)算 ................................................................................... 88 通風(fēng)設(shè)施 ........................................................................................... 90 井巷工程 ................................................................................................. 90 井巷工程斷面設(shè)計(jì) ........................................................................... 90 井巷支護(hù) ......................................................................................... 102 井巷工程量 ..................................................................................... 102 排水 .......................................................................................................103 輔助設(shè)施 ................................................................................................103 礦山基建和采掘 ..................................................................................103 基建范圍和基建工程量 ................................................................ 103 進(jìn)度計(jì)劃 ....................................................................................... 104 內(nèi)蒙古 XX 銅鉛鋅 多金屬 礦 20 萬噸 /年擴(kuò)建開采初步設(shè)計(jì) V 新增采掘設(shè)備選擇 ..............................................................................104 4 礦山機(jī)械 .................................................................................................... 105 坑內(nèi)運(yùn)輸 ................................................................................................105 設(shè)計(jì)依據(jù) ......................................................................................... 105 運(yùn)輸系統(tǒng) ......................................................................................... 105 運(yùn)輸線路 ......................................................................................... 105 運(yùn)輸設(shè)備選型 ................................................................................. 105 壓氣設(shè)施 ................................................................................................130 排水 .......................................................................................................131 礦井涌水量確定 ............................................................................. 131 排水系統(tǒng) ......................................................................................... 131 排水設(shè)備選型 ................................................................................. 132 水倉(cāng)容積 ......................................................................................... 137 防水措施 ......................................................................................... 137 供水 .......................................................................................................137 通風(fēng)設(shè)備 ................................................................................................138 新增主要礦山機(jī)械設(shè)備表 ....................................................................141 5 總圖運(yùn)輸 ..........................................