欢迎来到天天文库
浏览记录
ID:28364017
大小:13.26 MB
页数:256页
时间:2018-12-09
《金属矿山热害控制技术分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、博士学位论文ABSTRACTABSTRACTWiththeeontinuousexPloitationofmineralresourcesinoureountrythedePOSitSintheshallowstrataandoftherelativesimPleminingteehnologyeonditionsareeoniinuouslybeingeonsumed50thatmanyminesbegintoexPloitthemineralsoureesburiedinthedeePstrataorwiththeeomPli
2、eateexPloitingconditions.Thereare3diffieultteehnologiesaboutthedeePdePositexPloitationwhicharetheforeeastingandcontrolteehnologyofthehighstress(roekburst),theconiroltee扮iologyofheathanninmineandtheintegrationtechnologyoftheenforcedmining.Thecontroltechnologyofheatharm
3、inminePlaysanimPortantroleinthedeePmininginourcountry.Themainreseareheontenisandeonelusionsofthethesisareasfollows:1.It15foundbystudyinganumberofdoeumentsthatwhenthehamessingsehemesoftheheatharmarelaiddowninthemineofhightemPerature,thefactorstobeeonsideredusuallyeonel
4、udethenormalveniilationmethod,theventilationnetworkoPtimization,theforecastingoftheundergroundclimateandtheevaluationoftheheatenvirolllnefltinmine.IftheresultsoftheheatenvirolllnentevaluationshowtheProblemabouttheheathallllharnessingeouldnotbesolvedusingthenormalventi
5、lationmethod,onthebasicoftheseriousdegreeoftheheatharminminethesetreatmenimethodsshouldbeeonsideredforuseinorderwhieharetheenforeedveniilation,thereeireulationventilation,thePersonalProteetion,theloealeoolingandthecentraleoolingmethod.Asfortheheatharminmetalminesinour
6、eountrytheheadingfaeeandtheminingdeveloPmeniPeriodaren0wresPeetivelythePlaeeandthePeriodofthemostseriousharm.2.TheventilationProblemoftheroadwayexcavationduringtheminingdeveloPment15themostdiffieultoneofalltheProblemsabouttheventilationandtheexhaustheatfaeedwithbyever
7、ydeePheatmine.InthethesisastudywasPerformedaboutthePrineiPlesoftheventilationandtheexhaustheatintheheadingfaeeandtheProblemhowtocounttheheat一exhaustedventilationrateoftheexcavationworkPlaeewassolvedbythetheoryanalysisandtesting.Intheorythebestsehemeabouttheheat一exhaus
8、tedventilationintheheadingfaee15betweentheeoolingventilationandtheenforeementveniilation.InmanyexcavationworkPlaeesofthehigh
此文档下载收益归作者所有