阻火器的应用—燃烧炉／火炬系统的安全防范措施

33320056CHEMICALENGINEERING(CHINA)Vo.l33No.3Jun.2005:#(1949)),,,BraunschweigerFlammenfilterGmbH,,E-mai:[e-mail];(1972)),,,,BraunschweigerFlammenfilterGmbH,,E-mai:[e-mail])))/维克多#哈尔斯迪克,张岩(,Industriestr.11,38110Braunschweig,Germany):,94/9/EG,//,:;/;:TQ086.1:A:1005-9954(2005)03-0076-03Applicationofflamearrester)))SafetymeasuresforthermalwastegascleaningVictorHalstrick,ZHANGYan(BraunschweigerFlammenfilterGmbH,Industriestr.11,38110Braunschweig,Germany)Abstract:Wherevergasesorvaporsareexplosiveorliquidsareflammable,theflamearrestersapprovedaccordingtotheEuropeanDirective94/9/EG(alsocalledATEX)shouldbeused.In-linedeflagration/detonationflamearrester,liquiddetonationflamearresterandsafetyjetwerepresentedtoprotectthewastegascleaningplantagainstexplosion.Keywords:flamearrester;wastegascleaning;explosionprotection,,,,1996394/9/EG(ATEX100a)/,,1//,,,:,,(,1)1000kPa)(,2000)10000kPa),1[1],,,,,,1Tab.1Flamespreadvelocityandshockwavepressureunderdifferentkindsofcombustion/(m#s-1)1)3001800()/kPa1)10002000)1000094/9/EG(ATEX100a)EN1127-1/2:/;Ex-RLTRbF100,,/3:0,12EN1127-1,()/0(MESG:MaximumExplosionSafeGap)ABB1B2B3C,2[2],(,),[3](MESG),/,,,EN12874,CE,(,)2Tab.2Classificationofflammablegases()MESG/mm/%A0.94.2B1\0.855.0B2\0.755.5B3\0.656.5B\0.5045C0.5028.52,/2.1(,),:(1)80e,,(2)10e,(3),,(4),,,,(),,:;,2.2//:,,,[4],,,11Fig.1Constructionoftheflamearrestordiscconsistingofflatribbonandcrimpedribbon1#77#维克多#哈尔斯迪克等)))/,,,,,(L/D),L/D50[2],,L/D,2.3-,,/,[2]/,,,,3,2050,,,,,,:[1]SchampelK.Flammendurchschlagsicherungen[M].EhningbeiBoeblingen:ExpertVerlag,1988.8.[2]EN12874-2001,Flamearresters-performancerequirments,testmethodsandlimitsforuse[S].[3]RedekerT.Classificationofflammablegasesandvapoursbytheflameproofsafegapandtheincendivityofelectricalsparks[A].GermanFederalInstituteforPhysics(PTB),ReportW-18[C].Braunschweig,1981.2.[4]StanleyS,Grosse.lDeflagrationandDetonationFlameAr-resters[M].NewYork:CenterforChemicalProcessSafetyoftheAmericanInstituteofChemicalEngineers,2002.70(3),1151%,150@104t/a2.27@104t/a,2100/,t()1900/,t200/t454,,,,,(),,,#78#2005333