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《同煤集團(tuán)四老溝二礦2.4mta新井設(shè)計(jì) 畢業(yè)設(shè)計(jì)說(shuō)明書》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、學(xué)校代碼:10128學(xué)號(hào):本科畢業(yè)設(shè)計(jì)說(shuō)明書(題目:同煤集團(tuán)四老溝二礦2.4Mt/a新井設(shè)計(jì)姓名:學(xué)院:系別:專業(yè):班級(jí):指導(dǎo)教師:二〇一五年六月摘要本次設(shè)計(jì)是大同礦區(qū)四老溝礦11#,14#煤層。該礦位于大同煤田東北端,距大同市25Km,距口泉站5.3Km。井田內(nèi)有公路貫穿,交通方便。據(jù)井田地質(zhì)資料:該井田煤層平均厚度9m,經(jīng)鑒定為低瓦斯礦井,瓦斯相對(duì)涌出量平均為瓦斯相對(duì)涌出量0.5774—1.3601m3/t。m3/t。煤塵有爆炸危險(xiǎn)性。煤的自燃傾向等級(jí)為易自燃。根據(jù)礦井涌水量預(yù)測(cè),該礦井正常涌水量為122.5m3/h。設(shè)計(jì)采用主斜副立單水
2、平開(kāi)拓方式,共開(kāi)掘有兩個(gè)進(jìn)風(fēng)井(主斜井、副斜井)和一個(gè)回風(fēng)井。井田共劃分有七個(gè)帶區(qū),開(kāi)采煤層為11#。礦井采煤方法為綜合機(jī)械化開(kāi)采方式,綜合機(jī)械化掘進(jìn),生產(chǎn)區(qū)隊(duì)設(shè)置有:一個(gè)綜采隊(duì)和兩個(gè)機(jī)掘隊(duì)。礦井達(dá)產(chǎn)時(shí)的首采工作面位于一帶區(qū)101首采工作面,該帶區(qū)劃分為4個(gè)條帶,工作面長(zhǎng)度為240m,推進(jìn)長(zhǎng)度為1260m,回采順序采用后退式、回采工藝中厚煤層單一走向長(zhǎng)壁綜合機(jī)械化采煤法,采用“三八”制作業(yè)制度。采空區(qū)采用全部跨落法管理頂板。關(guān)鍵詞:礦井開(kāi)拓、采煤方法、綜合機(jī)械化采煤、運(yùn)輸提升、安全生產(chǎn)。AbstractThisdesignistheDaton
3、gmineareafouroldditchmine14#,11#coalseam.ThemineislocatedinthenortheastofDatongcoalfield,fromDatong25Km,awayfromtheKouQuanRailwayStation5.3Km.Idainsidetheroadrunsthrough,convenienttransportation.Accordingtominegeologicaldata:averagethicknessof9minthecoalmine,afteridentifica
4、tionforlowgascoalmine,gasrelativeemissionamountofaveragerelativegasemissionrate0.5774-1.3601m3/T.Coaldustexplosionhazard.Spontaneouscombustiontendencyofcoaliseasytoignite..Accordingtothepredictionofminewater,thenormalmineinflowis122.5m3/h.設(shè)計(jì)采用主斜副立單水平開(kāi)拓方式,共開(kāi)掘有兩個(gè)進(jìn)風(fēng)井(主斜井、副斜井)和
5、一個(gè)回風(fēng)井。井田共劃分有七個(gè)帶區(qū),開(kāi)采煤層為11#。礦井采煤方法為綜合機(jī)械化開(kāi)采方式,綜合機(jī)械化掘進(jìn),生產(chǎn)區(qū)隊(duì)設(shè)置有:一個(gè)綜采隊(duì)和兩個(gè)機(jī)掘隊(duì)。Designofthemaininclinedsideverticalsingleleveltodevelop,atotalofdigginghastwointakeshaft(themainshaftandtheauxiliaryslope)andareturnairshaft.Fieldisdividedintosevenzones,thecoalmining11#.Coalminingmethod
6、forcomprehensivemechanicalofminingmethod,comprehensivemechanizationtunnelingandproductionteamsisprovidedwith:amechanizedminingteamsandtwomachinesdigteam.礦井達(dá)產(chǎn)時(shí)的首采工作面位于一帶區(qū)101首采工作面,該帶區(qū)劃分為4個(gè)條帶,工作面長(zhǎng)度為240m,推進(jìn)長(zhǎng)度為1260m,回采順序采用后退式、回采工藝中厚煤層單一走向長(zhǎng)壁綜合機(jī)械化采煤法,采用“三八”制作業(yè)制度。采空區(qū)采用全部跨落法管理頂板。Min
7、eproductionofthefirstminingfaceinarea101ofthefirstminingface,thezoneisdividedintofour,workingfacelengthtothe240mpromotethelengthof1260m,stopingsequencebyretreating,miningtechnologyinthickseamlongwallcomprehensivemechanicalcoalminingmethod,the"38"manufacturingsystem.Themined
8、outareaadoptsallthecross-fallmethodtomanagetheroof.Keywords:Mining,coalminingmetho