LNG槽车贮槽绝热结构设计

3,:ZL00249960.6:,1971;,;,:(200030)1954:[phone],13816029838E-mail:[e-mail]3().LNG.,2004;24(2):8587LNG,LNG,,,,LNG,40m3LNG,,40m3LNG0.3%,20:(LNG)LNG,LNG140m3/0.8MPaLNG3,1,LNG2140m3LNGLNG,,2,,2LNG4:();;()();()333(W/mK),,58242qn+1(T42-T41),n,,,,3:,;,,2,,,,,LNG,:,;,;LNG,3:=FmTQ1(1):,m;,,W/mK;Fm,m2;T,K;Q1,W,,,(2)=mG=QLbVe100%(2):mLNG,m=QLb,kg/d;GLNG,G=Ve,kg;Q,kJ/d;LbLNG,kJ/kg;LNG,kg/m3;Ve,m3LNG,,,,(),,,,,,:€=1.5(2.2125-1.66…p+0.83…p2)(3.6283-6.9092+5.253+0.268)(-204H20+24.08H0+0.8)=0.10.88(3)€=1.5(2.2125-1.66…p+0.83…p2)(-103973+294582-27738+9684.44)(-204H20+24.08H0+0.8)=0.881.00(4):;€,€=s(5)…p,…p=p-p0pcr-p0(6)H0,H0=3600qFM0c0T0(7)(5)(7):;s;p;p0;pcr;q;F;M0;c0;T06820042440m3/0.8MPaLNG4,88%,,20d0.1Pa,6.5d;1Pa,4d;10Pa,3d,(),4LNG,86%90%(1),LNG,(2),(3)LNGZQZ9400GDY,1993:,,1,.(LNG).,2002;22(3):89912,,,..:ZL00249960.63..:,19994XuL,LiZCetal.In:DonJCleland,ChrisDixon,eds.Pro20thInternationalCongressofRefrigeration.Interna2tionalInstituteofRefrigeration,Sydney,1999(2002212202)78242groundtoverifythereservesofaquifergasreservoirsandana2lyzeproductionperformance.Itisveryimportantforearlywa2tercontrolinaquifergasreservoirstousetheearlyproductiontestingdataforstudyingtheaquiferbehaviorandwaterinvasionperformance.Basedoncoatsmodel,AIFmodelisstudiedundertheconditionsofnon2continuousgas2waterboundaryandnon2continuouspressuretestingofgasreservoirs.Thestudyshowsthatinthiscase,thecharacteristicvaluesofAquiferInfluenceFunctionanalysisofwaterinvasionperformanceisobtained,andtherelativesolutionisproposed.Thismethodhasmoreim2provementthanLPmethod.Realcasestudyindicatesthatthemethodcannotonlyacquiretheaquiferbehaviorandwaterin2vasionperformanceexactly,butalsoreflecttheaquiferbehaviorandwaterinvasionperformancetrappedbyfaultscorrectly.Atthesometime,itpointsoutthatAIFofsmallaquifertrappedbyfaultsisaparabola.SUBJECTHEADINGS:Heterogeneousreservoir,Waterinvasion,Performanceanalysis,Reserve,MathematicalmodelXiongYu(associateprofessor),bornin1968,isstudyingfordoctoraldegree.Add:Nanchong,Sichuan(637001),ChinaTel:[phone]Cell:13002827852Email:[e-mail]RVEYRELA2TIVEPERMEABILITYOFCONDENSATERESER2VOIRS1)GuoXiao,GuoPing,LiuJianyi(SouthwestPetroleumInstitute)andShuZhuangzhi(DianQianGuiBranch,PCL).NATUR.GASIND.v.24,no.2,pp.8284,2/25/2004.(ISSN1000-0976;InChinese)ABSTRACT:Sincewithouttestingtechniquestosurveythecriticalcondensatesaturationaccurately,therelativepermeabili2tyofcondensatereservoiristestedusuallywithconventionaloilandgasinChina.Ithasnotbeendonebeforetoconductcoredisplacementtestwithrealbalancedcondensatesystemfortherelativepermeabilitycurveofcondensatereservoirs.WithrealcoresofYahacondensatereservoir,twogroupsofdisplacementtestshavebeenconducted.Forthefirstgroup,Kerosene2nitro2genisinjectedintothecorewithastatizationmethod.Forthesecondgroup,balancedcondensategasisinjectedintothecorewithsteadystatemethod.Theinfluenceofoilandgasrelativepermeabilityontheproductionperformanceofcondensatereser2voirisstudied.Andthefollowingconclusionsareacquired:ComparingwiththerelativepermeabilitycurveofKerosene2ni2trogensystem,therelativepermeabilitycurveofgas2condensatesystemmovesrightwardsandthegasrelativepermeabilityde2creasesquickly;Thecriticalcondensatesaturationofgas2con2densatesystemis20%lowerthanthatofKerosene2nitrogensystem;Thegasproductivity,GOR,condensaterecoverypredictedwithKerosene2nitrogensystemismuchlowerthanthatpredictedwithgas2condensatesystem,butthereservoirpressuredecreasesslower;Gas2condensatesystemdiffersgreatlyfromKerosene2nitrogensystemincondensatesaturationdistributionatthenearwell2boreareaSUBJECTHEADINGS:Condensatefield,Relativeperme2ability,Testing,Experiment,CriticalsaturationGuoXiao(associateprofessor,Doctor)wasbornin1972.Add:Nanchong,Sichuan(637001),ChinaTel:[phone]Cell:13990791535Email:[e-mail]IONFORLNGTANKER1)LiZhaoci,XuLie,ZhangJie,SunHeng(Re2frigerationandCryogenicsInstituteofShanghaiJiaotongUniversity).NATUR.GASIND.v.24,no.2,pp.8587,2/25/2004.(ISSN1000-0976;InChinese)ABSTRACT:TheLNGtankerisveryimportanttoolforLNGtransportationonland.ItisthefirsttimeinChinaforLNGtankertousethehighvacuummulti2layerthermalinsula2tion.Thearticleintroducestheprincipleofhighvacuummulti2layerthermalinsulation,andcomparesthehighvacuummulti2layerthermalinsulationwiththeotherinsulation,suchasvacu2umpowderinsulation,etc.Thearticlepointsoutthatthehighvacuummulti2layerthermalinsulationisasuper2insultingway,whichhasthecharacteristicsofsmallthermalconductivity,smallvolume,andlightquality,etc.Itisverysuitableforinsu2lationofthetransportingtankerswithlowtemperature.Also,thearticleintroduceshowtochoicethermalinsulatingmateri2als,howtodesignthethermalstructure,andhowtocalculatethedailyevaporationrate.Takinga40m3LNGtankerasanexample,thenon2lossstoragetimeiscalculated.Theresultsshowthedailyevaporationrateofthe40m3LNGtankerislessthan0.3%,andthenon2lossstoragetimecanreachto20days.SUBJECTHEADINGS:Liquefiednaturalgas,Transmis201NATURALGASINDUSTRY/Feb.,2004sion,Storagefacility,Therm