大通径三棱螺旋钻杆在芦岭矿的应用研究

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CoalTechnologyVol.35No.11Nov.20163511201611doi:10.13301/j.cnki.ct.2016.11.100*,(,101601):,,、、。,,,,。:;;:TD421.25:A:1008-8725(2016)11-0256-02ResearchonApplicationofLargeDiameterTriangularSpiralDrillSteminLulingCoalMineLIKun,LINGBiao-can(NorthChinaInstituteofScienceandTechnology,Beijing101601,China)Abstract:AscomplexgeologicalstructureandsoftseaminHuaibeiMiningGroupLulingcoalmine,resultinginboreholedrillingdrillingprocessiseasytocollapse,slaggingeffectisnotideal,lowgassuctionrateandotherissues.Largediametertriangularspiraldrillstemisbasedonthetraditionaltriangulardrillstemontheincreaseinthespiralbands,spiralstripscanformalargeenoughfluidslagchannel,withtheimplementationofcollaborativeslaggingfluidandmechanicalfunctions,gettingthebetterslaggingeffectandhigherdrillingefficiency.Keywords:collapse;spiralbands;collaborativeslagging0,,、。,,,,,,。1、,,,,,,。,,,,,,。,;,;,30%;,,;,、。:,,,、。,(),,,。2,,15~30mm,。,,,“”。,,,20mm,8mm,,,*(3142015063)256,“”2,1。133.18#885。8#,2.72~17.75m,9.60m,f=0.16~0.53,881,,F14。350m,95m,33250m2(34769m2),33.63t。2.5MPa,12m3/t,,6.24m3/t,0.38MPa。3.2,ZDY4000S、、、、,1m,1.5m,。10,100m。,,,,,,,,。3.38#,,,,。8#885,10,5,,-19°,100m。5,5,100%。,,。,,,,。8851。1#~5#,6#~10#。188548#885,,。,。,,。,,。。:[1].[J].,2014(30):98.[2],,,.[J].,2012,29(2):289-294.[3],.[J].,2015,34(1):198-200.[4],,.[J].,2010(12):127-135.[5].[J].,2013,41(5):90-92,116.[6],,,.[J].,2011(7):13-16,22.:(1987-),,,,:870778063@qq.com;:,:790822493@qq.com.::2016-01-1312345678910/(°)-19-19-19-19-19-19-19-19-19-19/mm800400080040008004000800/m10010010010010070100827490/m1001001001001004070756880/%10010010010010057.17091.591.988.93511Vol.35No.11———,257

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