城市CNG汽车加气站选址安全性评价方法(3)

NATURALGASINDUSTRY Mar.,2004

factorsthatinfluencethesafetyofCNGfillingstationsandselectsthereasonableelementsforsafetyevaluation.Withtestandevalu ationbyexperts,thearticleverifiesthecorrespondingweightforev biningthesignificanceofsafetyandthefuzzyofinfluence,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@

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 ingHJ 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@

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