中国矿业大学安全工程专业通风毕业设计

I摘要本设计矿井为鹤岗矿业集团峻德煤矿240万吨/年新矿井设计，共有2层可采煤层17#、21#。煤层工业牌号为1/3焦煤，设计井田的可采储量20700Mt，服务年限为61a。设计采用以双立井为主的联合开拓方式，划分两个水平，六个采区。达产时采区为一采区和二采区，各布置一个工作面，联合布置，17#、21#层单独开采。采煤方法为走向长壁下行垮落采煤法，采煤工艺为综合机械化放顶煤工艺，顶板处理方法为全部垮落法。矿井通风方式为分区式，通风方法为抽出式，采区通风系统为轨道上山和运输上山进风，回风上山回风，采煤工作面采用“U”型上行式通风，掘进工作面采用压入式通风，矿井容易时期设计需风量为139m3/s，困难时期设计需风量为146m3/s。进而选出矿井主要通风机型号为BDNO-22，电动机型号为YB355M2-8，且对矿井所需通风构筑物进行布置。关键词：通风设计矿井通风系统通风阻力IIAbstractThedesignofmineforHegangJundeCoalMiningGroup2,400,000tons/yearofnewminedesign,atotalof2coalseamlayer17#,21#.Industrialgradecoalis1/3cokingcoal,thedesignofminerecoverablereservesof20700Mt,lengthofserviceforthe61adoubleshaftdesigncombinedtoopenuptheway,dividedintotwolevels,sixminingarea.Miningareaatthemiddleofaminingareaandthesecondminingarea,thelayoutofaface,ajointarrangement,17#,21#layersseparatemining.Miningmethodstofallingdownalongwallcoalmininglaw,miningtechnologyforintegratedmechanizedtopcoalcavingtechnologyapproachfortheentirerooffallingAct.Mineventilationforpartitiontype,themethodoftakingthetypeofventilation,ventilationsystemsfortheminingareaandtransportupthemountaintrackupthemountainintothewind,towindupthemountainbacktothewind,coalfaceusingU-typeupstreamventilation,theuseofheadingfacepressure-inventilation,minedesigntobeeasytotimethewindwas139m3/s,designedtobeadifficulttimefortheairflow146m3/s.ElectedtothemainminefanmodelBDNO-22,themotormodelYB35M2-8,andthestructureofthemineventilationrequiredtosetuptheirequipment.Keywords：ventilationdesignmineventilationsystemventilationresistanceIII目录摘要......................................................................................................IAbstract.................................................................................................II目录...................................................................................................III第1章井田概况及地质特征...............................................................11.1井田概况..............................................................................11.1.1井田位置及范围............................................................11.1.2交通位置........................................................................11.1.3地形地势........................................................................11.1.4气候雨量风向风速...................................................11.1.5河流...............................................................................21.2地质特征..............................................................................31.2.1矿区范围内的地层情况.................................................31.2.2井田范围内和附近的主要地质构造...............................31.2.3煤层赋存状况及可采煤层特征......................................31.2.4井田内水文地质情况.....................................................41.2.5瓦斯煤尘煤的自燃性.................................................51.2.6煤质、牌号及用途.........................................................5第2章井田境界储量服务年限.....................................................62.1井田境界................................................................................62.1.1井田周边状况................................................................62.1.2井田境界确定的依据.....................................................62.1.3井田未来发展情况.........................................................62.2井田储量................................................................................62.2.1井田储量的计算............................................................62.2.2保安煤柱........................................................................72.2.3储量计算方法................................................................72.2.4储量计算的评价............................................................82.3矿井工业制度、生产能力、服务年限....................................82.3.1矿井工作制度................................................................8IV2.3.2矿井生产能力的确定.....................................................82.3.3矿井服务年限的确定.....................................................9第3章井田开拓.............................................................................103.1选定开拓方案的系统描述....................................................103.1.1井硐形式和数目..........................................................103.1.2井硐位置及坐标..........................................................103.1.3水平数目及高度..........................................................113.1.4石门、大巷数目及布置...............................................113.1.5采区划分......................................................................133.2井硐布置和施工...................................................................143.2.1井硐穿过的岩层性质及井筒支护.................................143.2.2井硐布置及装备..........................................................143.2.3井筒延深的初步意见...................................................173.3开采顺序..............................................................................173.3.1沿井田走向的开采顺序...............................................173.3.2沿井田倾向的开采顺序...............................................173.4矿井提升系统.......................................................................17第4章采区通风.....................................