NATURALGASINDUSTRY Mar.,2004
factorsthatinfluencethesafetyofCNGfillingstationsandselectsthereasonableelementsforsafetyevaluation.Withtestandevalu ationbyexperts,thearticleverifiesthecorrespondingweightforev http://www.77cn.com.cnbiningthesignificanceofsafetyandthefuzzyofinfluence,thesafetyevaluationmodelofCNGfillingstationsissetup.Themodelisdemonstratedbyrealexamples.Itmakestheeval uationquantitativeandpracticable.
SUBJECTHEADINGS:Compressednaturalgas(CNG),Vehicle,Gasfillingstation,Location,Selection,Safetyfactor,Evaluation
TongDai(instructor,Master)wasbornin1963. Add:Xi huaUniversity,Chengdu,Sichuan(610039),China Tel:(028)87347432 E mail:tongdai63@http://www.77cn.com.cn
DEVELOPMENTOF
1)
GASADSORBENTAND
STUDYONITSGASSTORINGPERFORMANCE(3)
ChenJinfu,YiXiaohui,QuMei,XuWendong(En vironmentalEngineeringInstituteofPetroleumUniversi ty).NATUR.GASIND.v.24,no.3,pp.126~128,3 25 2004.(ISSN1000-0976;InChinese)
ABSTRACT:WithpetroleumcokeasfeedandKOHasacti vatingagent,thearticlediscussestheinfluenceofadsorbentprepar ingconditionsonadsorbentproperty.Theresultshowsthecontentofcarbon,ash,volatilematterandsulfurinthepetroleumcokeisrel ativetotheadsorbentproperty.Thepetroleumcokeswithlowash,lowvolatilematter,lowsulfurandhighcarbonfavortopreparetheidealgasadsorbent.Feedparticlesizewasamainfactortocontrolthehomogeneityandactivatingreactionlevelofthemixedmaterial.Undertheconditionsofthegivencompositionandparticlesizeofthefeed,theactivatingtemperatureandtimeandusingvolumeoftheactivatingagenthasaoptimumvalue.ActivationwithKOHonlyhasthedisadvantages,suchaspoormixingeffectunderhightempera ture,residualpotassiuminactivatedproducts,bigusingvolumeofactivatingagentandseverecorrosionetc.Toovercomethedisadvan tages,thekeyistoimprovethemixinghomogeneityofthefeedma http://www.77cn.com.cningHJ KOHcom plexactivationcanresolvetheproblemofactivationwithKOHonly. SUBJECTHEADINGS:Naturalgasstorage,Adsorption,Adsorbent,Activation,Petroleumcoke,PotassiumHydroxide ChenJinfu(Seethelastarticleofthisissue.)
DEVELOPMENTOFGASADSORBENTANDSTUDYONITSGASSTORINGPERFORMANCE(2)
ChenJinfu,QuMei,XuWendong(EnvironmentalEngineeringInstituteofPetroleumUniversity).NATUR.GASIND.v.24,no.3,pp.123~125,3 25 2004.(ISSN1000-0976;InChinese)
ABSTRACT:Potassiumhydroxide(KOH)isaexcellentacti vatingagentformakinggasadsorbent.ButKOHusingvolumeisbig,andthereissomemetalpotassiumresidueintheactivatedsam ple.Thearticlecomparestheinfluenceofsomeassistantactivatingagents,suchasZnCl2,FeCl3andHJwiththatofKOHonMethanestoringperformance.Theresultsindicatesthattheassistantactivat ingagentsofZnCl2andFeCl3havepooreffectcouplingwithKOH,whichcan timprovethemethanestoringperformanceofactivatingpetroleumcoke.ButassistantagentFeCl3couplingwithKOHcandecrease,eveneliminatethemetalpotassiumproducedbyactivationreaction.AssistantHJcouplingwithKOHcandecreaseKOHusingvolume,improvetheactivatingeffectofKOHandcontroltheresidu almetalpotassiumeffectively.WhenWKOH WCis3 1~4 1,HJ KOHcomplexcanbecomeexcellentmethaneadsorbent.Thepow deryadsorbentswithWKOH WCof4 1canobtain17.7gofmethaneadsorptionunder3.5MPaand25 .Itseffectivevolumeadsorptionis92.6(volumeratio).Anditseffectivevolumeadsorptioncanreachto111.5(volumeratio)under5.0MPa.
SUBJECTHEADINGS:Naturalgasstorage,Adsorption,Adsorbent,Potassiumhydroxide,Assistantagent,Methane,Ad sorbingvolume
ChenJinfu(associateprofessor),bornin1964,isstudyingfordoctoraldegree. Add:Changping,Beijing(102249),China Tel:(010)89733637 E mail:cjf64@http://www.77cn.com.cn
1)
STUDYONWINDINGPROCESSOFCOMPOSITE
1)
GASCONTAINER
RenPenggang,LiangGuozheng,GongZhaohe(ChemicalEngineeringDepartmentofNorthwestPoly technicalUniversity).NATUR.GASIND.v.24,no.3,pp.129~131,3 25 2004.(ISSN1000-0976;InChinese)
ABSTRACT:TheCNGstoringcontainerisanimportantcom ponentforthevehiclesusingCNGasfuel.TheCNGcontainersareusuallypressurevesselsofsteelcylinder.Sincethegascontainerhasbigmassandiseasytoproduceexplosionhazard,thecompositegascontainerhasbecomeanimportantdevelopingtargetforvehicleusingcontainer.ThecompositeCNGcontainerwithmetalinnertubewindedbycompositematerialshasthecharacteristicsofbigrigidity,airsealedability,lightweightiness,simplemanufacture,andlowcost.Basedonthemechanicalanalysis,thelayersoftheglass ep oxycompositeareobtained.Integratingthemechanicspropertyofepoxycasting,thethicknessoftheelasticstickinglayerandthe