矿井设计说明书李超.doc

该【矿井设计说明书李超 】是由【碎碎念的折木】上传分享，文档一共【141】页，该文档可以免费在线阅读，需要了解更多关于【矿井设计说明书李超 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。采矿工程毕业设计摘要:本次设计矿井为大雁三矿~其井田内水文地质构造较简单~属低***矿井~但煤尘有爆炸危险~煤层自燃发火期一般为3,6个月~三矿井田围岩质地较软~属典型软岩矿区~区内构造以断层为主且比较发育~且均以正断层形式赋存~井田内未发现3陷落柱和岩浆岩侵入体。其煤种为褐煤~~煤层走向北66:东~倾向北西~平均倾角16:~设计主采煤层为27、28号煤层~~28号煤层平均厚度8m~煤层层间距20m~经过技术及经济比较~确定采用立井两水平直接延深开拓方案~采区式准备~首采区采用单翼走向长壁综合机械化放顶煤后退式采煤法进行回采~采用底卸式矿车运煤~分区式通风方式通风~设计按照“一矿、一井、一面”方向建设~从而实现高产高效。关键词:井田开拓,准备方式,综合机械化放顶煤,分区式通风,高产高效Abstract:Thedesignofgeesethreeoremine,withinitshydrogeologicalstructureisrelativelysimple,isalowgasmine,butcoaldustexplosionhazard,bustionperiodisusually3-6months,threeminefieldssurroundingrocktexturesofter,isatypicalsoftrock,thedistrictconstructedtofault-basedandrelativelydeveloped,,:coalislignite,,coalseam66,thedesignofthemaincoalseamcoalseam:NorthWest,,28,,the28thTheaverageseamthickness8m,coallayersspacing20m,parisonoftwohorizontalshaftisdeterminedusingadirectextensionoftheprogramtodevelopdeepminingareaformulapreparation,thefirstminingareausingmonoplanemechanizedlongwalltopcoalcavingminingmethodstoping,usingcoalhoppertub,zoningventilationventilation,ordancewiththe"onemine,onewell,oneside"orientationconstruction,:Idaexplore;preparetheway;mechanizedcaving;partitionventilation;yieldefficient————采矿工程毕业设计目录前言........................................................................................................................................71矿区概述及井田地质特征...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................152井田境界和储量...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................19————.....................................................................................................................................................................................................................203矿井工作制度、设计生产能力及服务年限..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................224井田开拓.................................................................................................................................................................................................................、数目、位臵及坐标的确定..................................................、形状和面积....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................455准备方式..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................52————..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................586回采工艺...........................................................................................................................................................................................................................................................、工作面推进方向和推进度的确定..........................、装煤方式选取..............................................................................................................................................................................................................................................................................................................................................................、放顶步距、放煤方式确定......................................................。...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................727井下运输..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................75————.............................................................................................75