搜索
:100025889(2005)0320062206CNG1,1,1,2,3(1.,610039;2.,400039;3.,610000):,,,,,.CNG,.:;;;;;:TH45:AStudyofassessmentandcriteriaoftechnicallevelforCNGcompressorunitsHETai2bi1,HUANGHai2bo1,TANJin2hui1,ZHANGHao2,GUOHua3(1.InstituteofTrafficandAutomobileEngineering,XihuaUniversity,Chengdu610039,China;2.NaturalGasVehicleEngineeringandRe2searchCenter,Chongqing400039,China;3.InstituteofSichuanProductQualitySupervisionandInspection,Chengdu610000,China)Abstract:Accordingtothepracticalconditionofdifferenttypesofdomesticnaturalgascompressors,alayeredmodelofassessmentoftechnicallevelforcompressorunitswasdevelopedontheoreticalbasisofe2quipmentgeneralengineeringscience.Throughmodelanalysisandtakingworldadvancedtechnology,theassessmentcriteriawasdevelopedonthebasisofon2spotinvestigation,consultationoftheliteraturesofstandards,andconsultationwithexperts.Acomputeraidedassessmentsoftwareoftechnicallevelofthee2quipmentsforgasstationwasalsoinvestigatedanddeveloped,providingabasisofdecisionmakingforgov2ernmentalauthoritiestoassessthetechnicallevelofequipmentsofCNGautomobilegasstationaswellasprovidingresearchdirectionforthemanufacturersofcompressorstoremodelrelevantequipments.Keywords:compressorunit;compressednaturalgas;automobile;gasstation;economico2technologicalindex;assessmentcriteria,.,CNG,,,,.16:2004209214:(2003BA2408B25),(0323179):(19702),,,,.,20,180,,,.,(),(),CNG.1.:1)(31320056JournalofLanzhouUniversityofTechnologyVol.31No.3Jun.2005);2);3);4);5).,,,.25MPa,,.,,.1.1,,,.,,.CNGPRESCON3D350/6D/75R,,SAFE()Sr1WSW132F22EM.,,.GB180472000H2S,.,.CNG,,1m,.1.2,.,,,.,,.1.3JB/T102982001,,.PEEK,,,8000h,,.1.4,2080.DPC2230,.,,.1989,,,2,,.,,,.,,,,,,.1.5,,.,;,45kW657kW;,,.,.CNG,,,,,.1.6,.APIRP14C,,:;;(363:CNG);;;,NEC,12D.2[1]2.1.,8:1);2);3);4);5);6);7);8).,,:1),,,.2),,().3),,.4),,,,.5).,,,,.2.2,CNG.,,.,.,,CNG,,.,,.,,,:1)CNGCNG,,.,:.2),,.3),,,,.,.,,CNG0.070.20,0.200.67.4),,,.5).6).,2.2.3[2,3]Delphi,.4631,,.,:;.,,,.1.1Fig.1Layeredmodeloftechnicallevelassessmentindexsystemforcompressorunit,.,.().33.1[2,4]1)(),.GB385383CA,95%..,,.,55%,,,.50%80%.:=Qsg/QpgQpg=Qcp(1Rhg)Qcp=FcfTcRhg=Qhg/Qcp:,Qsg,Qpg,Qcp,Fcf,Tc,Rhg.1014h/d.Qhg,.2),.MTBF(Meantimebetweenfailures).,,t1,t2,,tn,nMTBF,t.t=nt=1ti/n,4.1.1Tab.1Validservicingtimeofmaindamageablepartsforcompressorunith400020003500250035002500350025003),,,.,(++)563:CNG,.4).,,.5),;;GB/T7777;();.2.,.2()Tab.2AssessmentindexoftechnicallevelforCompressorunitP/kW/mg/B/B/B/(gh-1)P5555P9090P160160P250100014001800220010310410510710510811111512512512512550701051506):;;;;;().7),,.:,;;;;;;,GB3836.1,dBT4;;;;.8)CNG.,,CNG.25MPa.9),,.,K0=1-0.97(tp-tt)/t0:K0,tp,tt,t0.10),.,.11).25MPa,3.310%,3Tab.3Compressordisplacementswithdifferentintakepressuresandtheirmatcheddrivingmotorsm3/minP/kW/MPa0.10.30.61.01.6455575901101321601852002202501.501.802.503.003.604.205.106.006.507.007.800.701.101.501.752.102.503.103.603.804.204.700.500.650.901.201.401.652.002.302.502.703.000.380.500.650.851.001.201.451.661.802.002.200.300.400.550.680.851.001.201.401.501.701.9066313.,,14h.12),kg/m3.13),2.14):,.GB/53300.08mm3,80,1h,7,.15),.,20,70,25MPa,0.4MPa,0.15MPa,3.(20),160,180.16),t37a,,10a.,1013a,.17),.,,.:A=P(A/P,i,n)+S:A,P,S,(A/P,i,n).3.22.,.,,.,,,,[5]:H,L,X,Y=100(X-L)/(H-L),.,:():81100;():6180;:4160;:2140;:020.,,.4,3:(CNG);();.,.:[1],,,.CNG[J].,2004(3):1152119.[2],.CNG[D].:,2004.[3].[J].,2001(6):44245.[4]JB/T102982001,[S].[5],.[M].:,1998.763:CNG