【正文】 ....................................................25三．井壁結(jié)構(gòu) .....................................................................................................................................25第五節(jié) 井底車場及硐室 ......................................................................................................................25第三章 大巷運輸及設(shè)備 .........................................................................................................................27第一節(jié) 運輸方式的選擇 ......................................................................................................................27一．現(xiàn)有煤炭運輸方式 .....................................................................................................................27二．改擴建后的運輸方式 .................................................................................................................27三．主要運輸巷道斷面、支護方式、坡度及鋼軌型號 .................................................................28第二節(jié) 運輸設(shè)備選型 ..........................................................................................................................28一．帶式輸送機選型 .........................................................................................................................28二．輔助運輸 .....................................................................................................................................28第四章 采區(qū)布置及設(shè)備 .........................................................................................................................30第一節(jié) 采煤方法 ..................................................................................................................................30一．采煤方法選擇及其依據(jù) .............................................................................................................30二．采煤工藝及設(shè)備選型 .................................................................................................................30三．工作面頂板管理方式及支架選型 .............................................................................................31四．回采工作面長度、采高、年推進度及生產(chǎn)能力 .....................................................................32五．工作面接替關(guān)系及生產(chǎn)時主要經(jīng)濟技術(shù)指標(biāo) .........................................................................33第二節(jié) 采區(qū)布置 ..................................................................................................................................34一．投產(chǎn)后首采區(qū)位置和布置原則 .................................................................................................34二．煤層分組及開采順序 .................................................................................................................34三．采區(qū)巷道布置 .............................................................................................................................34四．采區(qū)煤流、輔助運輸系統(tǒng)、通風(fēng)及排水系統(tǒng) .........................................................................35第三節(jié) 巷道掘進 ..................................................................................................................................35一．巷道斷面和支護形式 .................................................................................................................35二．巷道掘進進度指標(biāo) .....................................................................................................................35三．掘進工作面?zhèn)€數(shù)、組數(shù)、掘進機械設(shè)備 .................................................................................36四．礦井采掘比例關(guān)系和掘進率 .....................................................................................................36五．井巷工程量 .................................................................................................................................36第五章 通風(fēng)與安全 .................................................................................................................................36第一節(jié) 概況 ..........................................................................................................................................36第二節(jié) 礦井通風(fēng) ..................................................................................................................................37一．通風(fēng)方式及通風(fēng)系統(tǒng) .................................................................................................................37二．風(fēng)井?dāng)?shù)目、位置、服務(wù)范圍及服務(wù)時間 .................................................................................37三．掘進通風(fēng)及硐室通風(fēng) .................................................................................................................37四．礦井風(fēng)量、風(fēng)壓及等積孔計算 .................................................................................................37五．通風(fēng)設(shè)施、防止漏風(fēng)和降低風(fēng)阻的措施 .................................................................................44第三節(jié) 災(zāi)害預(yù)防及安全裝備 ..............................................................................................................44一．預(yù)防瓦斯災(zāi)害的措施 .................................................................................................................44二．預(yù)防煤塵爆炸的措施 .................................................................................................................45三．預(yù)防井下火災(zāi)的措施 .................................................................................................................49四．預(yù)防水災(zāi)的措施 .........................................................................................................................522五 . 預(yù)防井下頂板事故的措施 ..........................................................................................................53第六章 提升、通風(fēng)、排水和壓縮空氣設(shè)備 ...........................................................................................54第一節(jié) 提升設(shè)備 ..................................................................................................................................54一． 提升設(shè)備 ...................................................................................................................................54第二節(jié) 通風(fēng)設(shè)備 ................................................................................................................................59一．設(shè)計依據(jù) .....................