大直径集束式潜孔锤反循环钻进技术研究

2016－05－06DOI10．19389/j．cnki．1003－0506．2016．06．030“”2016MS0051984—2012、。．J．20166119-122．WangSiyiZhaoJiangpeng．Ｒesearchonreversecirculationdrillingtechniqueoflarge-diameterclusterDTHhammerJ．ZhongzhouCoal20166119-122．710077。3．41m/h3．260%。TD265A1003－0506201606－0119－04Ｒesearchonreversecirculationdrillingtechniqueoflarge-diameterclusterDTHhammerWangSiyiZhaoJiangpengCCTEGXi'anＲesearchInstituteXi'an710077ChinaAbstractFortheproblemoflargediameterclusterDTHhammerreversecirculationdrillingtestsfoundlargesizedoublewalldrillpipeswereselectedandthedesignofthelargediameterclusterofreversecirculationDTHhammerandportsealdevicewereimproved．Thefieldtestwascarriedoutbasedonalargediameterproject．Ｒesultsshowthattheaveragemechanicaldrillingspeedofthereversecircula-tiondrillingwas3．41m/h．Comparedwithlargediameterrollerbitdrillingunderthesameconditionstheefficiencyisimprovedby3．2timestheefficiencyisimprovedby60%comparedwiththeoriginallargediameterclusterDTHhammerreversecirculationdrilling．KeywordslargediameterboreholereversecirculationDTHhammerportsealdevicedoublewalldrillpipereversecirculationdrilling0、、、、。。1-3。4-5。。6、7。、7-10。11-15。—1.6。。、·911·20166246。1127/70mm710/311mm①2h。。②。、70m3/min2MPa。70mm70m3/min。178/113mm113mm。2710/311mm①、②③。、。2.1、。1ZMK5530TZJ60A。711mm。2。311mm580mm。3。178/113mm。2.2580/311mm580/311mm3200mm215.9mm、、、、、、11。178/113mm178/113mm3、。2①②3。311mm。0,7198A3.-:;/?C@365*/;3/B42=+51580/311mmFig.1Schematicstructureof580/311mmreversecirculationDTHhammerforholeexpansion1580/311mmTab.1Basicparameterof580/311mmreversecirculationDTHhammerforholeexpansion/mm/mm/t/MPa/m3·min－131158039001.771.03～2.4125～1022.32580/311mm710/311mm、。·021·2016624612。3①250mm1120mm、②③。,*-137,+-13265/04.2Fig.2Schematicdiagramofimproveddesignstructureofbottomsealingdisc23。2①3、。②。,*-136,+-13207.54/3Fig.3Schematicdiagramoftheimproveddesignstructureofairdistributionroom3、46.0h1.5h。4Fig.4Theimprovedportsealdevice41。580mm、295mZMK5530TZJ60A。、。580/311mm+178/113mm++35m3/min35r/min1.1～1.2MPa。2。580/311mm52.31～6.00m/h3.41m/h550/311mm3.2710/311mm2.1m/h60%。5Fig.5Ｒeversecirculationdeslaggingeffectandbackoutdebrisparticles5—、。127/70mm·121·20166246178/113mm。127/70mm178/113mm、。。Ｒeferences1．J．200836111-3．LiuZhiqiang．LargediameterraiseboringmachineandraiseboringtechnologyJ．CoalScienceandTechnology200836111-3．2．J．2010419116-118．QianZiweiJiangZhenquanWuHuilei．StudyofquickdrillingsystemtechnologyofminerescueJ．SafetyinCoalMines2010419116-118．3．J．2011715-9．WangZhijian．ConsideringandresearchingofdrillingtechnologyinminerescueJ．JournalofSafetyScienceandTechnology2011715-9．4．SH25HJ．201037841-43．HeLongfeiLinJianSunYajunetal．ExperimentalstudyonSH25Hhydraulicandpneumaticimpactdrillinlargediameterbored-groutingpileconstructioninhardrockJ．ExplorationEngi-neeringＲock＆SoilDrillingandTunneling201037841-43．5Р．К．．J．201030532-37．YanTainingDuanLongchenBogdanofP．Ketal．Approachestoimprovethelifespanofdiamondbitindeep-holehardrockdrillingJ．Diamond＆AbrasivesEngineering201030532-37．6．J．2001640-41．ShiBingyan．ThecommondamagetypeoflargediameterdrillandsolvingmeasuresJ．ExplorationEngineeringＲock＆SoilDrill-ingandTunneling2001640-41．7．J．2014163-66．YuanZhijianGengJianguoXiongLiang．Applicationofair-liftre-versecirculationdrillingtechnologyincoalminegasdrainagewellsJ．CoalGeologyofChina2014163-66．8．、J．201340360-65．YangYine．DrillingtechnologiesoffeedingholeventilationholeandrescueholeincoalmineJ．ExplorationEngineeringＲock＆SolidDrillingandTunneling201340360-65．9．J．2013441014-18．WangQingyanLüHongquanGaoYietal．ＲesearchonreversecirculatingDTHhammerofrotarydrillingriginrock-socketedpileholesdrillingJ．ConstructionMachineryandEquipment2013441014-18．10．J．20154551844-1851．GanXinYinKunHeJiangfuetal．Thedevelopmentandtestonalargediameterhollow-throughDTHairhammeranddrillbitusedinrescuewellJ．JournalofJilinUniversityEngineeringandTechnologyEdition20154551844-1851．11．J．2006290-9296．WangMaosenYinKun．FulldiameterringcombinationdrowningdriftanddrillingtechnologyJ．GeologyandExploration2006290-9296．12．SGQ-320J．2012401114-115．LiuJianlinYinKun．DevelopmentofSGQ-320typereversecircu-lationDTHhammerusedinGasDrillingJ．PetroleumDrillingTechniques2012401114-115．13．J．2015421261-63．ZhaoJiangpeng．Sealingmethodforlarge-diameterreversecircula-tionDTHandtheexperimentalstudyJ．ExplorationEngineeringＲock＆SolidDrillingandTunneling2015421261-63．14．J．2016471106-109．ZhaoJiangpeng．DevelopmenttestofclusterreversecirculationDTHforreamingJ．SafetyinCoalMines2016471106-109．15．J．20154210121-124．ZhaoJiangpeng．ApilottestforlargediameterclusterDTHreversecirculationdrillingtechnologyJ．MetalMine20154210121-124．·221·20166246