【正文】 ......................................37 煤層上方地形、地貌 .............................................................................37 帶 區(qū)巷道布置及生產(chǎn)系統(tǒng) ...............................................................................37 采煤方法及工作面長(zhǎng)度 .........................................................................37 工作面接替 .............................................................................................37 帶區(qū)內(nèi)各煤柱 的尺寸 .............................................................................38 確定同時(shí)生產(chǎn)的數(shù)目 .............................................................................38 帶區(qū)巷道布置 .........................................................................................38 生產(chǎn)系統(tǒng) .................................................................................................38 帶區(qū)巷道掘進(jìn) .........................................................................................39 帶區(qū)生產(chǎn)能力和采出率 .........................................................................40 6 采煤方法 .............................................. 43 采煤工藝方式 ...................................................................................................43 采煤方法選擇的依據(jù)和選擇原則 .........................................................43 帶區(qū)煤層特征及地質(zhì)條件 .....................................................................43 采煤方法的選擇 .....................................................................................43 采煤工藝與采空區(qū)處理 .........................................................................44 工作面設(shè)備選型及其技術(shù)特征 .............................................................45 超前支護(hù)方式 .........................................................................................49 放頂步距、放煤方式和采放比 .............................................................49 確定回采工作面長(zhǎng)度、推進(jìn)方向、推進(jìn)度 .........................................49 各工藝過(guò)程注意事項(xiàng) .............................................................................50 工作面噸煤成本 ...................................................................................51 回采工作面正規(guī)循環(huán)作業(yè) ...................................................................51 回采巷道布置 ...................................................................................................53 回采巷道布置方式 .................................................................................53 回采巷道斷面大小及支護(hù) .....................................................................54 7 井下運(yùn)輸 .............................................. 57 概述 ...................................................................................................................57 井下運(yùn)輸?shù)脑紬l件和數(shù)據(jù) .................................................................57 井下運(yùn)輸系統(tǒng) .........................................................................................57 帶區(qū)運(yùn)輸設(shè)備的選擇 .......................................................................................57 設(shè)備選型原則 .........................................................................................57 工作面及順槽運(yùn)輸設(shè)備選型 .................................................................58 運(yùn)輸能力驗(yàn)算 .........................................................................................60 大巷運(yùn)輸設(shè)備的選擇 .......................................................................................60 確定大巷的運(yùn)輸方式 .............................................................................60 主運(yùn)輸大巷設(shè)備選擇 .............................................................................61 輔助運(yùn)輸方式的選擇 .............................................................................62 礦井輔助運(yùn)輸系統(tǒng) .................................................................................63 井下?lián)Q裝 .................................................................................................64 膠輪車運(yùn)輸 .............................................................................................65 8 礦井提升 .............................................. 67 礦井提升概述 ...................................................................................................67 主副井提升 .......................................................................................................67 主井提升系統(tǒng) .........................................................................................67 副井提升系統(tǒng) .........................................................................................68 9 礦井通風(fēng)及安全 ........................................ 70 礦井概況 ...........................................................................................................70 礦井概況 .................................................................................................70 礦井通風(fēng)系統(tǒng)的主要原則和基本要求 .................................................70 礦井通風(fēng)系統(tǒng)的確定 .......................................................................................70 選擇通風(fēng)系統(tǒng)主要考慮的因素 .............................................................70 各通風(fēng)系統(tǒng)的使用條件和優(yōu)缺點(diǎn)分析 .................................................71 礦井通風(fēng)方式選擇 .................................................................................74 帶區(qū)通風(fēng)系統(tǒng)的要求 .............................................................................74 回采工作面進(jìn)回風(fēng)的布置 .....................................................................75 礦井風(fēng)量的計(jì)算 ...............................................................................................77 風(fēng)量計(jì)算的標(biāo)準(zhǔn) .....................................................................................77 風(fēng)量計(jì)算的原則 .....................................................................................77 礦井風(fēng)量的計(jì)算 .....................................................................................77 掘進(jìn)工作面所需風(fēng)量 .............................................................................79 峒室所需風(fēng)量 .........................................................................................80