【正文】 一般設(shè)計(jì)部分 1 礦區(qū)概述及井田地質(zhì)特征 ............................................... 1 礦區(qū)概述 .............................................................. 1 井田位置、范圍和交通位置 ........................................... 1 地形地貌 ........................................................... 1 河流水系 ........................................................... 2 礦區(qū)的氣候條件 ..................................................... 2 水源、電源 ......................................................... 2 工農(nóng)業(yè)生產(chǎn)和原料 ................................................... 2 井田地質(zhì)特征 .......................................................... 2 煤系地層概述、勘探程度 ............................................. 2 井田地質(zhì)構(gòu)造 ....................................................... 4 井田水文地質(zhì)特征 ................................................... 4 地溫 ............................................................... 4 煤層及煤質(zhì) ............................................................ 4 煤層特征 ........................................................... 4 可采煤層特征 ....................................................... 5 煤層圍巖性質(zhì) ....................................................... 6 煤的特征 ........................................................... 8 2 井田境界和儲(chǔ)量 ..................................................... 11 井田境界 ............................................................. 11 井田邊界 .......................................................... 11 井田范圍 .......................................................... 11 礦井儲(chǔ)量 ............................................................. 11 鉆探工程量 ........................................................ 12 工業(yè)儲(chǔ)量計(jì)算 ...................................................... 12 礦井可采儲(chǔ)量 ......................................................... 13 煤柱的留設(shè) ........................................................ 13 可采儲(chǔ)量計(jì)算 ...................................................... 15 3 礦井工作制度、設(shè)計(jì)生產(chǎn)能力及服務(wù)年限 ................................. 16 礦井工作制度 ......................................................... 16 礦井工作制度的確定 ................................................ 16 礦井每晝夜凈提升小時(shí)數(shù)的確定 ...................................... 16 礦井設(shè)計(jì)生產(chǎn)能力及服務(wù)年限 ........................................... 16 確定依據(jù) .......................................................... 16 礦井生產(chǎn)能力的確定 ................................................ 16 礦井及第一水平服務(wù)年限的核算 ...................................... 16 4 井田開拓 ........................................................... 18 井田開拓的基本問題 ................................................... 18 井筒形式及數(shù)目的確定 .............................................. 18 井筒位置的確定 .................................................... 18 工業(yè)場(chǎng)地位置、形式和面積 .......................................... 19 開采水平的確定 .................................................... 19 礦井基本巷道 .......................................................... 31 井筒 .............................................................. 31 井底車場(chǎng) .......................................................... 32 主要開拓巷道 .......................................................... 33 主要開拓巷道 ...................................................... 33 巷道的支護(hù)方式 .................................................... 34 5 準(zhǔn)備方式 采區(qū)巷道布置 .............................................. 42 煤層的地質(zhì)特征 ........................................................ 42 煤層埋藏條件 ...................................................... 42 煤質(zhì)與地質(zhì)情況 .................................................... 42 采區(qū)巷道布置及生產(chǎn)系統(tǒng) ................................................ 43 采區(qū)數(shù)目及位置 .................................................... 43 采區(qū)走向長度的確定 ................................................ 43 煤柱尺寸的確定 .................................................... 43 采區(qū)上山布置 ...................................................... 44 區(qū)段平巷的布置 .................................................... 44 采區(qū)內(nèi)工作面的接替順序 ............................................ 44 采區(qū)生產(chǎn)系統(tǒng) ...................................................... 44 巷道掘進(jìn) .......................................................... 45 采區(qū)生產(chǎn)能力 ...................................................... 45 采區(qū)采出率 ....................................................... 45 采區(qū)車場(chǎng)選型 .......................................................... 46 采區(qū)上部車場(chǎng)選型 .................................................. 46 采區(qū)中部車場(chǎng)選型 .................................................. 46 采區(qū)下部車場(chǎng)選型 .................................................. 46 采區(qū)主要硐室 ...................................................... 48 6 采煤方法 ........................................................... 50 采煤工藝方式 .......................................................... 50 采煤工藝的確定 .................................................... 50 機(jī)械化程度 ........................................................ 50 確定回采工作面長度、工作面推進(jìn)方向和推進(jìn)度 ........................ 51 采煤工藝及設(shè)備 .................................................... 51 端頭支護(hù)及超前支護(hù)方式 ............................................ 53 采煤工藝 .......................................................... 54 各工藝過程安全注意事項(xiàng) ............................................ 57 工作面勞動(dòng)組織和作業(yè)循環(huán)圖表 ...................................... 58 主要技術(shù)經(jīng)濟(jì)指標(biāo) .................................................. 59 回采巷道布置 .......................................................... 60 確定回采巷道布置形式 .............................................. 60 回采巷道支護(hù) ...................................................... 60 7 井下運(yùn)輸 ........................................................... 62 概述 ................................................................. 62 井下運(yùn)輸設(shè)計(jì)的原始條件和數(shù)據(jù) ...................................... 62 井下運(yùn)輸系統(tǒng) ...................................................... 62 采區(qū)運(yùn)輸設(shè)備選擇 ..................................................... 62