甲醇储罐泄漏扩散及事故状态的数值模拟

14★★★★PETROCHEMICALSAFETYANDENVIRONMENTALPROTECTIONTECHNOLOGY20112742010－09－19。1996。023-68974093401254、、、。。、、、、、。、、。、。1、。。。1.11。1。1。。。。1、BM、Sutton。BM★★.★★201127415。Sutton。。、。1、、BM、Sutton、22.1。。、、、Rt、Ht、Ma。。xuQCxyzt=Q槡2π32σxtσytσztexp－x－ut22σ2x－y22σ2y－z22σ2[]z1z=0Cxy0t=Q槡2π32σxtσytσztexp－x－ut22σ2x－y22σ2[]y2y=0Cx00t=Q槡2π32σxtσytσztexp－x－ut22σ2[]x3σxtσytσzt———mRt———mht———mx———mu———10mm/sQ———m3。2.2、、、。、、、、。。。1～5m/s。。2。。。20℃。16★★★★20112742/m·s－1≥5/10＜4/10＜2AA-BBD2-3A-BBCDEF3-5BB-CCDDE5-6CC-DDDDD＞6CDDDDD33.1P-GP-G。PasquillGifford。Pasquill-GiffordP-G。Pasquill1km。《》GB/T13201-911～2P-G。σy=aXbσz=cXd4a、b、c、d。Cxy0t=2Q2π3/2σxσyσzexp－x－ut22σ2x－y22σ2[]y5Q———m3σxσyσzmσx=σyx———mu———m/st———sx———ut=0。P-G。34。3σy=axb0.5hab/mA0.4258090.9010740～10000.6020520.850934＞1000B0.2818460.9143700～10000.3963530.865014＞1000C0.1771540.9242790～10000.2321230.885157＞1000D0.1107260.9294180～10000.1466690.888723＞1000E0.08640010.9208180～10000.1019470.896864＞1000F0.05536340.9294180～10000.07333480.888723＞10004σz=cxd0.5hcd/mA0.07999040.008547710.0002115451.121541.513602.108810～300300～500＞500B0.1271900.0570250.9644351.093560～500＞500C0.1068030.917595＞0D0.1046340.4001670.8107630.8262120.6320230.555361～10001000～10000＞10000E0.09275290.4333841.734210.7883700.5651880.4147430～10001000～10000＞10000F0.06207650.3700152.406910.7844000.529690.3226590～10001000～10000＞100003.2。1TNTWTNT=WfHcQTNTWTNT———TNTkg.TNTWf———kgHc———MJ/kgQTNT———1kgTNT4.52MJ/kg。★★.★★2011274172R=2.665M0.327R———mM———kg3t=1.089M0.3274R=K1×13.61.8×0.04×WTNT/10000.37K1———0.6645R=CsNE1/3R———mE———kJN———10%Cs———、。4。、、。、、、、、。、。。4.1。。。、。4.1.11、23。5。5/mg·m－3%/mL·m－350～2600.035～0.182172～8971965013.76677593930027.511355176550045.852258624.1.2850m3=1.01.11=1.00.7910m2.1m/s0.01mD5、、45.85、27.51、13.76。4.1.348.442m72.081m122.477mt1=11.934st2=20.79st3=41.139st122.18918★★★★2011274m4.411mt228.269m4.636mt338.727m5.069m2。137.974s0.0350.182。419.177m439.430m。24.21R=2.665M0.327=214.359m⑵t=1.089M0.327=87.594s4.2.11、2、。4.2.222.7MJ/kg671500kg2000m385%0.79TNT4.52MJ/kg1.84.2.31、30%、66.4590m、162.919m296.205m192.023m400.745m3。2、、66.4590m、162.919m296.205m“”264.994kPa、35.945kPa★★.★★20112741934、9.156kPa4。5。。。、。。5.1、、。5.2、、、、、、、、。5.3。、。。、。6、。1.M.1996.2.M.1995.3.M.2002.4.J.200224.ABSTRACTSPETROCHEMICALSAFETYANDENVIRONMENTALPROTECTIONTECHNOLOGYBimonthly.20Aug．2011Vol．27No．4·Ⅰ·ANALYSISONFIREANDEXPLOSIONHAZ-ARDOILSTORAGETANKANDTHEPRE-VENTIVEMEASURES1LiuYongbin.SINOPECLuoyangCompanyLuoyangHenan471012AbstractThispapermakesariskanalysisonthecasesofsixtypicalfireandexplosionhazardsfromoilstoragetankofpetrochemicalenterprises．Thesehaz-ardsarecausedbyoiltankoverfilllightningstrikestaticelectricityself-ignitionofferroussulfidecon-structionoperationwithfireandimpropercoordinationoftheproductionoperationdevices．Thepaperbringsforwardeffectivepreventivemeasurestoavoidacci-dentoccurrence．KeywordsOilstoragetankFireandexplosionPreventivemeasuresTHEINFLUENCEOFSPRAYIGNITIONCON-DITIONONTHEDEFLAGRATIONPER-FORMANCEOFDIESEL6ZhuYingzhongXieLifengLiBinZhangYuleiHanZhiwei.SchoolofChemicalEngineeringNUSTNanjingJiangsu210094AbstractExperimentswerecarriedouttostudythedeflagrationperformancefordieseldrops-airmixturesundertheconditionsofdirectinitiationinverticalshocktube．Theminimumignitionenergywasmeas-uredbytheupanddownmethod．Theinfluenceofalteredspraypressureatomizationtimeandignitionenergyonthedeflagrationofdieseldrops-airmixtureswasstudiedinthispaper．Theresultsindicatedthatdeflagrationcouldbefoundbyanexternalsourcefordiesel/airmixturesatatmospherictemperatureandpressure．Spraypressureatomizationtimeandigni-tionenergyhavesignificanteffectsonthemeasuredvaluesofdeflagrationpressureandvelocity．Thereex-istsanoptimumspraypressureandatomizationtime．KeywordsDieselDeflagrationSpraypressureAtomizationtimeIgnitionenergyAPPLICATIONOFAEROSOLFIREEXTIN-GUISHINGEQUIPMENTINSHANGHAIPET-ROCHEMICALCOMPANY10FangZhongqing.SINOPECShanghaiPetrochemicalCompanyLimitedShanghai200540AbstractThispaperbrieflydescribesthedevelop-mentstatusfireextinguishingmechanismperform-anceandfeaturesofaerosolfireextinguishingequip-ment．ItintroducesthepracticalapplicationofsuchequipmentintheArchivesofSINOPECPetrochemicalCompanyandlooksintothebrightfuturefortheengi-neeringapplicationofaerosolfireextinguishingequip-mentinthearchivemanagementindustries．KeywordsAerosolFireextinguishingmechanismArchivesLEAKAGEANDDIFFUSIONOFMETHANOLTANKANDNUMERICALSIMULATIONOFTHEACCIDENTCONDITION14ZhangXianfa.ChongqingChuanweiLogisticsCompa-nyLtd．Chongqing401254AbstractThisarticlemainlyintroducesthediffusiontypeofleakageGaussdiffusionmodelandinjurymodelofleakageanddiffusionofmethanoltank．Throughnu-mericalsimulationoftheaccidentconsequencefromleakageanddiffusionofmethanoltanktheinjuryre-gionspoisonedbytheleakageanddiffusionofmethanoltankthetimeneededfortheleakageanddiffusiontoreachtheinjuryregionsandthefurthestdiffusiondis-tanceofmethanolsteamwithslightpoisoninginjurymaybedetermined．Accordingtothesimulationresultsim-provementontheemergencyplanformethanoltankleakandproductionfacilitiesisputforward．KeywordsMethanolDiffusiontypeofl