【文章內(nèi)容簡(jiǎn)介】 ....................................................................................... 48 回采工藝 ........................................................................................................................................................................... 52 綜放工作面巷道布置 ............................................................................................................................................................. 56 7 礦井運(yùn)輸 ........................................................................................................................................................................................... 58 采區(qū)運(yùn)輸設(shè)備 .......................................................................................................................................................................... 58 刮板輸送機(jī)的選擇計(jì)算 ................................................................................................................................................ 58 帶式輸送機(jī)的設(shè)計(jì)計(jì)算 ................................................................................................................................................ 61 大巷運(yùn)輸設(shè)備 .......................................................................................................................................................................... 64 礦車選擇 ........................................................................................................................................................................... 65 8 礦井提升 ........................................................................................................................................................................................... 67 設(shè)計(jì)依據(jù) ................................................................................................................................................................................... 67 主井提升 ........................................................................................................................................................................... 67 副井提升 ........................................................................................................................................................................... 67 提升容器的選型計(jì)算 ............................................................................................................................................................. 67 小時(shí)提升量 ...................................................................................................................................................................... 67 合理的經(jīng)濟(jì)提升速度 .................................................................................................................................................... 67 一次提升循環(huán)時(shí)間 ........................................................................................................................................................ 68 一次合理提升量的確定 ............................................................................................................................................... 69 計(jì)算一次提升循環(huán)提升時(shí)間 Tx 和所需的提升速度 vm .................................................................................... 69 提升鋼絲繩的選擇計(jì)算 ........................................................................................................................................................ 70 . 提升機(jī)與天輪的選擇計(jì)算 .................................................................................................................................................. 71 滾筒（或摩擦輪）直徑的確定 .................................................................................................................................. 71 天輪的選擇 ...................................................................................................................................................................... 72 提升機(jī)與井筒的相對(duì)位置 ................................................................................................................................................... 72 井架高度 .......................................................................................................................................................................... 72 尾繩環(huán)高度 ...................................................................................................................................................................... 73 9 礦井通風(fēng) 及安全 .............................................................................................................................................................................. 74 通風(fēng)系統(tǒng)確定因素 ............................................................................................................................................................... 74 第 頁(yè) 共 120 頁(yè) 3 選擇通風(fēng)系統(tǒng)的原則 ..................................................................................................................................................... 74 通風(fēng)系統(tǒng)的確定 .............................................................................................................................................................. 74 采區(qū)通風(fēng)系統(tǒng)選擇 ................................................................................................................................................................. 77 采煤工作面通風(fēng)類型的確定 ....................................................................................................................................... 77 掘進(jìn)通風(fēng)局部通風(fēng)機(jī)通風(fēng)系統(tǒng) .................................................................................................................................. 79 通風(fēng)容易和通風(fēng)困難兩個(gè)時(shí)期位置的確定 ............................................................................................................. 79 全礦所需風(fēng)量的計(jì)算及其分配 ........................................................................................................................................... 79 井風(fēng)量計(jì)算原則 .............