大倾角下行防突钻孔钻进成套装备研发

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CoalMineMachineryVol.39No.04Apr.20183904201804doi:10.13436/j.mkjx.2018040160,,、,,,。,。。:、,;,,、、,;、、,,,,,;,,,,,。,,、、、,、,。1、、、、、、--、、。1。*([2016]1068);(guizhou-0003-2017AQ)(,550003):、,。、、、、、、--、、;、、,,。3#,。:;;;--:TD712.6:A:1003-0794(2018)04-0042-03DevelopmentonDrillingCompleteEquipmentofDownwardOutburstPreventionBoreholeswithLargeDipAngleZHENGWei(SchoolofMines,GuizhouInstituteofTechnology,Guiyang550003,China)Abstract:Inordertoeffectivelysolvetheproblemssuchascollapsingholesindownwardanti-outburstholeswithlargedipangle,difficultslagdischargeintheholesandabnormalgasemissionattheorifice,theoutburstpreventiondrillingsetwithlargedipanglewasdeveloped.Thecompletesetofequipmentconsistsofcrawlerall-roundhydraulicdrillingrig,double-wallreversecirculationdrillpipe,reversecirculationdrillassembly,quickwater-changejoint,orificeblowoutpreventer,anti-collapseprocessor,coal-water-gascyclingtreatmentmachine,deepdrillingpipewater-blockingring,electro-hydraulicintegratedcontrolplatform;withsmallsize,flexiblewalking,ahighdegreeofintegration,simpleoperation,highefficiencyadvantages.TheoutburstsdrillingoutfithassuccessfullycarriedoutindustrialtestsatNo.3highanglecoalseaminZhonghengcoalmine,whichhasthepromotionvalue.Keywords:downwardholes;anti-outburstholes;double-wallreversecirculationdrillpipe;coal-water-gascyclingtreatmentmachine421、,;,;、,,,,;--,--,,,、,,、;3,、,、,。,、、、,,,,。2(1),,,、、,,,。,,,,,,,,,。,,2,。,。2。21.2.3.4.5.6.、7.8./9.(2)①,。,。,,、,,,,,,,。,,,,,,。,。,,。,,,,。3。31.2.3.②、,,,,3904Vol.39No.04———123123457689433904Vol.39No.04———,,,,。94mm,准73/准89mm,、。(3),,,。2,A、B。3。。,,。,。4。4(4)、、,、,。1m,,。(5)--、、、。,,,-,,。(6)3,、,、,。(7),,2:。,,,。2,。、,;、、。(、、、、)、、、。33#,65°,。《》,。,3#(120m,2m,准95mm),,,,。35,,、,;,,,,,,1.2m,98%、,--、、。4,,、。(1)、、、、、--、、;、、,,;(2),35,120m,;、、,,。:[1],,,.:、[J].,2014,39(8):1391-1397.[2].[J].,2016,41(1):1-6.[3],,,.[J].,2017,45(3):73-77.[4],,.[J].,2015,43(9):59-64.[5].[J].,2014,40(3):116-119.[6],,,.[J].,2017,45(1):94-99+213.[7],,,.[K].:,2012.[8],,,.[J].,2016,44(9):140-144+154.:(1984-),,,,,:2303827532@qq.com.::2018-03-0544

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