NATURALGASINDUSTRY Mar.,2004
LiuYuetian(associateprofessor,Doctor)wasbornin1965. Add:XuefuRoad,ChangpingDistrict,Beijing(102200),China Tel:(010)87934597 E mail:lyt51@http://www.77cn.com.cn
uralgas.
SUBJECTHEADINGS:Naturalgasliquefaction,C3 MRCprocess,Parameter,Flowprocess,Technology
ShiYumei(female,associateprofessor)wasbornin1970. Add:No.1954,HuashanRoad,Shanghai(200030),China Tel:
V SHAPEDINNERCONICALFLOWMETER
1)
(021)62932602 E mail:ymshi@http://www.77cn.com.cn
SunYanzuo(BeijingChemicalEngineeringUniversi ty).NATUR.GASIND.v.24,no.3,pp.105~110,3 25 2004.(ISSN1000-0976;InChinese)
ABSTRACT:AccordingtotherequirementsofISO5167is suedinMarch,2003, V shapedinnerconicalflowmeterwillre placetheflowmetersoforificeplates,nozzlesandVenturitubes,etc.WhicharewidelyusedinChinanow.Thearticleintroducesthenewgenerationofdifferentialpressureflowmeter V shapedinnerconicalflowmeter(VNZ),includingitsworkingprinciple,construction,compositionofmeasuringsystem,mainspecificationsandtechnicalfeatures.Also,thearticleanalyzestheadvantagesanddisadvantagesoftheflowmeter.Theresultsindicatesthattheflowmeterhasstrongabilitytoresistpollution,worksstable,canmea surethewetgasflow,thecokeovengasflow,andtheflowwithlowstaticpressureandlowflowrate.So,itcanbeusedforflowmea suringofnaturalgas,coalgas,heatingsteamgasandwastewater,etc.Also,thearticlereportsthetypicalapplicationsandthelatestprogressoftheflowmeter.
SUBJECTHEADINGS:ISOstandards,Gasflowmeter,Differentialpressureflowmeter,Theory,Technicalspecification,Property,Application
SunYanzuo(professor),graduatedfromMoscowOilandGasUniversityin1961. Add:P.O.Box136,HepingStreet,Beijing(100029),China Tel:(010)64434677 E mail:yzsun@http://www.77cn.com.cn
EVALUATIONINDEXSYSTEMFORTECHNICAL
LEVELOFEQUIPMENTINCNGFILLINGSTA TION
1)
1,2
1
2
HuangHaibo,YinGuofu,HeTaibi,TanJin 2
hui(1.SichuanUniversity;2.XihuaUniversity).NA TUR.GASIND.v.24,no.3,pp.115~119,3 25 2004.(ISSN1000-0976;InChinese)
ABSTRACT:As West EastGasTransmission engineeringisgoingtoputintooperation,ChineseeastareaswillestablishCNGfillingstationsinalargescale.ItisurgentnecessarytoenhanceequipmentevaluationfortechnicallevelandqualityanalysisofCNGstations,andmakeacceptationstandardsforcompletedCNGfillsta tions.Sofromthetwoaspectsoftechnologyandeconomy,thearti clediscussestheprinciplesandhierarchyanalysismethodofevalu ationindexsystemfortechnicallevelofequipmentinCNGfillingstations,anddevelopstheframemodelandhierarchystructuremod elofevaluationindexsystemfortechnicallevelofequipmentinCNGfillingstations.ThemodelcanbeusedtoevaluateandrankthesametypeofequipmentwithdifferentmodelsinaCNGfillingsta tion,orthesametypeofequipmentindifferentstations.Intheend,withrealcasecalculating,thetechnicallevelofcompressorsequippedinCNGfillingstationsisevaluated.
SUBJECTHEADING:Compressednaturalgas(CNG),Ve hicle,Gasfillingstation,Equipment,Technologyandeconomyin dex,Evaluation
INFLUENCEOFPARAMETERSONC3 MRCPRO CESSPERFORMANCEOFNATURALGASLIQ
1)
UEFACTION
ShiYumei,WangRongshun,GuAnzhong(ShanghaiJiaotongUniversity).NATUR.GASIND.v.24,no.3,pp.111~114,3 25 2004.(ISSN1000-0976;InChi nese)
ABSTRACT:Inthebase loadLNGplant,theC3 MRCpro cessisusedwidely.BasedonthermalmodelingofC3 MRCpro cess,thearticleanalyzestheinfluenceofthegaspressureonthere frigerantflow,thepowerconsumptionofrefrigerantcompressors,thepowerconsumptionofpropanecompressors,thecoolingprovidedbymixedrefrigerantcycleandthecoolingconsumedbynaturalgas,thecoolingprovidedbypropanecycleandthecoolingconsumedbynat
HuangHaibo,bornin1954,isstudyingfordoctoraldegree. Add:XihuaUniversity,Chengdu,Sichuan(610039),China Tel:(028)87720272 E mail:huanghb@http://www.77cn.com.cn
METHODOFEVALUATINGSAFETYOFCNG
1)
STATIONLAYOUT
TongDai,HuangHaibo(XihuaUniversity)andLongQiyun(SichuanCNGVehicleOffice).NATUR.GASIND.v.24,no.3,pp.120~123,3 25 2004.(ISSN1000-0976;InChinese)
ABSTRACT:SafetyofCNGfillingstationsinthecitiesisthefirstconsiderationfortheplan,designandapprovalpersonsofCNGfillingstations.Aimingtothestationlayout,thearticleanalyzesthe