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CoalTechnologyVol.34No.06Jun.20153406201506doi:10.13301/j.cnki.ct.2015.06.0880,、、。1050280209,VLD-1000,17,14742m,,。1VLD1.1VLDVLD2000mm×4000mm×1666mm(××),12.5t,4km/h,660/1140V,227kN,5m/min,4022Nm,160kN,15000kPa。,1762m,80m,300m/1000m,。VLD-1000DDMS、DHM、。DDMS3m,、,。21.25°1.5°,,、,DDMSDHM、,。1、2。121.2、VLD-1000,,·((),100176):,VLD-1000、、,,。、、、。,。:;;;;;:TD712;TD41:A:1008-8725(2015)06-0229-04SuccessfulApplicationofVLD-1000RiginExtremeSoftCoalSeamXIAODong-hui,SUJun-kang,ChrisFreer(ValleyLongwallMiningEquipmentCo.,Ltd.,Beijing100176,China)Abstract:Forextractinggaseffectivelyandcontrolgasinminingextremesoftcoalseam,themeasurementofdrillingintocoalseamwithsufficientsawtooth-likeorfeather-likebranchesisapplied.Thesignificanteffectofdirectionalboreholegasdrainageisobtained.ThepracticeinTunlanandFudacoalmineshasindicatedthatgasflowrate,specificgasflowrateper100mandmethanepurityarerisingsignificantlybydrillingwithsufficientsawtoothpatternandfeather-likebranches.Keywords:extremesoftseam;enhanceradicalgasflow;permeabilityincrease;VLD-1000rig;feather-likehole;sawtoothpatterndirectionalhole0100200300400500FD80209-1/m/m0-2-4-6-8-10-12-140100200300400500/m31-1-3-5-7-9-11-13600FD80209-2/m229,,,,。6.5~15MPa,5~12m3/h,、。,:,、,,,,,。,。2VLDVLME。1050202802098#,、、、。2.1VLDVLD4,549m,1。1VLD-1000DDMS,,。1、212,。100d,,60%~90%,0.35~0.55m3/min。10~15,100d。。。2.2VLDVLD105022,13,540m,,02#30~80m02#,02#,,,1~7#,3,,,;8#~13#,4,,,,2。2,。31050241050223,,。。3.110502,,3406Vol.34No.06VLD-1000———,12345678910111213/825/525804/519858/513822/510864/522855/540843/519801/504810/501795/501825/506831/516702/405405399474402537432450414450423441452372420405384420327423393387360372387378330、,;。/m0100200300400500TL10502-3/m/m876543210-1-2-3-4-5-60100200300400500TL10502-8/m/m6543210-1-2-3-4/1146/4321512/525816/501630/54945090656457069660625260;。1234/m230,,,,,,。,,,。1050213,、。60d1%~5%,,、、56。3.2、,13~29kPa,,,02#。1360d14~17kPa,,。,14~17kPa,。,、、。,。/d/d510502-3/d/d610502-83.3、02#,25%~35%,0.004m3/min,0.006m3/min,VLD60%~85%,0.17~0.31m3/min,0.045~0.09m3/min。,,,,7~13,30~50。4(1)VLD-1000,,405~549m,505m;630~1512m,866m。(2)30~50。(3),60d1%~5%。(4)、,,。(5)。CH4/%CH4/m3·min-1/m3(min·100m)-1CH4/km3CH4/%CH4/m3·min-1m3/(min·100m)-1CH4/km33406Vol.34No.06VLD-1000———,1210095908580757065605550454035301824303642485460600.350.330.310.290.270.250.230.210.190.170.150.130.110.090.070.05120.100.090.080.070.060.050.040.030.020.010.0020243236444856604020191817161514131211109876543210524028168121009590858075706560555045401824303642485460600.500.450.400.350.300.250.200.150.100.05120.100.090.080.070.060.050.040.030.020.010.00202432364448566040302826242220181614121086420524028168(a)(b)(a)(b)231(6)17kPa。:[1],.[J].,2004,24(5):27-29,146.[2].[J].,2011,36(3):533-536.[3],,,.[J].,2010,35(2):250-254.[4],,,.[J].,2012,43(10):56-60.[5],,,.[J].,2008,33(12):1386-1390.[6],·,.VLD[J].,2006,34(5):34-36,40.[7].[J].,2009,6(3):34-39.:(1982-),,,,,:xdh507@126.com.::2015-03-03!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!CoalTechnologyVol.34No.06Jun.20153406201506doi:10.13301/j.cnki.ct.2015.06.0890,,,,。,。,,,,,。,,。:(1),,,;(2),,,,;(3),,,。,,。1PLC1,2(1.,100013;2.,100013):,、,PLC,;,、、。:;PLC;;:TD265.39:A:1008-8725(2015)06-0232-03ResearchofAutomaticControlSystemforCoolingWaterinFreezingMethodConstructionSHIHong-wei1,2(1.BeijingChinaCoalMineEngineeringCo.,Ld.,Beijing100013,China;2.NationalEngineeringLaboratoryforDeepShaftConstructionTechnologyinCoalMine,Beijing100013,China)Abstract:Thecoolingwatercirculationsystemforevaporativecondenserisusedmanualcontrolinfreezingmethodconstructionofmine.Inordertoimprovesystemstability,savinghumanresources,takePLCascontrolunit,identitytherunningmodeautomaticallybydetectingthetemperatureofcoolingwater,controlthepumpsbydetectingthelevelofwaterbyliquidlevelsensor,tomakethesystemautomaticrunning,safetyandenergy-saving.Keywords:freezingmethodconstruction;PLC;automaticcontrol;power-saving232
本文标题:VLD1000定向钻机在构造软煤层中的成功应用肖东辉
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