刻槽钻杆应用于突出煤层钻进的合理参数研究_王永龙

362Vol．36No．220112JOURNALOFCHINACOALSOCIETYFeb．20110253－9993201102－0304－04454000、、。50。12mm1.1mm76mm36.2%41.5%。TD823.82A2010－07－281980—。[e-mail]tudyongrooveddrillpipeusedindrillingoutburstcoalseamWANGYong-longZHAIXin-xianSUNYu-ningSchoolofEnergyScienceandEngineeringHenanPolytechnicUniversityJiaozuo454000ChinaAbstractInordertogivefullplaytotheadvantageofthegrooveddrillpipeusedinoutburstcoalseamanalyzedtheeffectofchangesofspiral-channelwidthdepthandpitchofgrooveddrillpipeontheslagremoval．Establishedcoalseamdrillingthree-dimensionalmodelfor50grooveddrillpipecarriedonanumericalsimulationforthegrooveddrillpipeslagremovalsituationindrilling．Theresultsofstudyshowthatwhenthespiral-channelwidthL=12mmdepthH=1．1mmpitchS=76mmtheslagremovalresultisoptimal．Throughtheindustrialexperimentinoutburstcoalseamthedepthofdrillingimprovesby36.2%onaveragetheefficiencyofdrillingimprovesby41.5%andthedifferenceintemperatureissmalleronthesurfaceofgrooveddrillpipe．Keywordsgrooveddrillpipeoutburstcoalseamspiral-channeldepthofdrillingefficiencyofdrilling、、1－4。。、。。、。。5－7。、。、DOI:10.13225/j.cnki.jccs.2011.02.01728－9。11.1、。540mmρ=1.35g/cm3。Q=0.2kg/s280r/min。10－121。1Fig.1Theslagremovalmodelsfordiffeentdrillpipes1.232。21。2。。。2Fig.2Distributionclouddiagramofvelocityfordifferentdrillpipes2S、LH“3”3。2.1L=12mmH=1.5mmS=58、60、62、…、96mm。S=58、60、62、…、96mm3S=76mm。2.2。S=76mmH=1.5mmL=10、12、14mm。5032011363Fig.3Theslagremovalvelocityofdifferentpitch428mm。4Fig.4Theobservationlineofthemodelflowpassage5－1214mmL=12mm13。5Fig.5Length-velocityrelationcurvesofobservationlineindifferentspiral-channelwidth2.3。S=76mmL=12mmH=1.0、1.1、1.2、1.3、1.4、1.5mm4。6－H=1.1mm。2.43506Fig.6Length-velocityrelationcurvesofobservationlineindifferentspiral-channeldeep14－15S=76mmL=12mmH=1.1mm。αtanα=Sπd=763.14×50=0.484α=25.8°αφtanα≤tanφf=tanφ=0.4～0.6φ=21.8～31.0°α≤21.8～31.0°。α=25.8°。33.115108153.30～5.93m5.08m。0.40MPa11.22m3/tf=0.21。13%1。2～40.03～0.50m0.05～0.25m0.25m。3.21。4833d5002m1.5151.6m/d104.2m106.4m106.4－78.1/78.1=36.2%151.6－107.1/107.1=41.5%。2。4℃7℃603240℃。41503S=76mmL=12mmH=1.1mm。2。。336.2%。。4。1．J．2009351297－99．ZhangHanyue．Theanalysisofreasonsfordrillingaccidentsindrill-ingsitesanditstreatmentJ．ShanxiArchitecture2009351297－99．2．M．2004．3．J．200836987－91．MaShenqiLiuGuiqin．Researchonpull-outdrillingtechnologyofcoalminegasgeologyJ．CoalScienceandTechnology200836987－91．4．J．20093011203－204．DuanShoudeWangYonglong．StudyonrationalutilizationofscrapdrillpipeJ．CoalMineMachinery20093011203－204．5．J．2007286148－150．WangQingfengChenSonglin．AnalysisoncauseandpreventionmeasuresofdrillingpiperuptureofcoalroadwaydrillingmachineJ．CoalMineMachinery2007286148－150．6．J．2007327673－679．ShenBaohongLiuJianzhongZhangHong．ThetechnicalmeasuresofgascontrolinChinacoalminesJ．JournalofChinaCoalSocie-ty2007327673－679．7．J．2009346798－800．ZhaoYaojiangXieShengrongWenBaigenetal．Gasdrainagetech-niqueby1000mlongandlargediameterroomboreholesinhighgascoalseamgroupJ．JournalofChinaCoalSociety2009346798－800．8．J．201035176－79．WangZhaofengTianFuchaoZhaoBinetal．Thetestingofgasdrainageefficiencyaboutfeather-veined1000mlength-drillholeJ．JournalofChinaCoalSociety201035176－79．9．J．2008339994－996．ZhangGuohuaHouFengcai．ParameterdeterminationofthedrillingfieldspacingandtheboreaboutreservedgasdrainagedrillingfieldJ．JournalofChinaCoalSociety2008339994－996．10．J．2008561－64．ZhaoPeng．3DfiniteelementanalysisofthedrillpipewithstressreliefgrooveJ．SteelTubingTechnology2008561－64．11．J．200931413－1520．YiPengLiuYancongGaoKaietal．StudyondynamicsimulationresearchofsingledrillpipebasedonfiniteelementmethodJ．OilDrilling＆ProductionTechnology200931413－1520．12．J．200021278－82．LiuQingyouMaDekunZhongQing．Adrillingstringtorsionalvi-brationmodelanditssolutionJ．ActaPetroleiSinica200021278－82．13．J．200936743－45．TianDongzhuang．AnalysisonkeymanufacturingtechnologyofhighstrengthminedrillingrodJ．ProspectEngineering200936743－45．14．J．20103571220－1222．ZhangYouzhenShiZhijunTianDongzhuangetal．Finiteelementanalysisandimproveddesignfortapertrapeziumjointthreadsofhigh-strengthdrillingrodwithbigholeJ．JournalofChinaCoalSociety20103571220－1222．15．ANSYSJ．200930782－84．HuangLinsen．AnalysisofscrewthreadstructureofdrillingstemwithANSYSJ．CoalMineMachinery200930782－84．703