This cold knowledge is very cold and violent. How powerful is the explosion of a LPG cylinder? ThemaincomponentsofLPGarepropane,propylene,butaneandbutene,andcontainasmallamountofpentane,penteneandtracesulfurimpurities.Liquefiedpetroleumgas(LPG)asfuelhasbeenwidelyusedinpeople'slifebecauseofitshighcalorificvalue,smokelessdust,carbon-freeslagandeasyoperation. Liquefiedpetroleumgascylinders(LPGcylinders),alsoknownas"gascans"ineverydaylife,arecommon,whichmakespeopleignorethecorrectusemethodanditsdanger. Nowlet'stalkaboutsomecoldknowledgeaboutthenumberofits"gastank",whichisabsolutelycoldandviolent. [1]Liquefiedpetroleumgasandothercombustiblegasesshallnotbeusedsimultaneouslyinthesameroom. Cylindersshouldnotbeplacedclosetoheatsourcesandopenfires,andshouldbekeptatadistanceofmorethan1metrefromthecooker.   [2] Theexplosionofgastankisdividedintotwosteps:"gastank"explosion,instantaneousdamageoccurstwice,beginningwiththephysicalexplosionoftankbreakdown,instantaneousexpansionofliquidpetroleumgas250-300timesintogaseousstate,resultinginshockwave,gaseouspetroleumgasquicklymixeswithair,whentheconcentrationintheairdropsto3-11%,incaseofopenfire,chemicalexplosionwilloccur,thewholegasspace.Explosivecombustionproduceshugeshockwaves. Rubberhosesshouldbereplacedeverytwoyears;ifhosesbecomeoldandcorroded,theyshouldbereplacedimmediately;hosesshouldnotpassthroughwalls,windowsanddoors.   [3] Thenormalservicelifeofthesealingringis3years,anditshouldbereplacedandrecordedimmediatelywhenitexpires. [1-2-3]Acommongastankisenoughtoblowupatwo-storeybuilding.Thepoweroftheexplosionisequivalentto3000grenades. Thecalorificvalueof1kgLPGis46100kJ,andtheexplosiveenergyof1kgTNTexplosiveis4200kJ(note:explosiveenergyisnotproportionaltoshockwavestrength).Therefore,thetotalcombustionenergyof1kgLPGisequaltothepowerof10kgTNTexplosive.DuringWorldWarII,only56.7gramsofTNTwereinstalledintheU.S.Army'sK.IIgrenades.Suchcalculation:agastankfilledwithliquefiedgasis:15KG,equivalenttothestandardpowerofTNTexplosive150KG,enoughtoblowuptwo-storeybuildings. Itmaybemoreintuitivetocomparethepowerofagrenade:agrenadecontainsabout50gramsofTNTexplosive.Accordingtothiscalculation,theexplosivepowerofahouseholdgastank(fulltank)isequivalentto3000grenades.However,grenadesusuallyattacktargetsbyshrapnel,andinordertoenhanceexplosivepower,theycontainnotonlyTNTexplosives,butalsootherexplosivecomponents.   [4] Ifthecylinderburnsonthegroundfor4minutes,itmayexplode.   [5] ThenormalservicelifeofLPGcylinderreduceris5years,anditshouldbereplacedandrecordedimmediatelywhenitexpires.   [6] Therearesixkindsofspecificationscommonlyusedforcylinders.Seethetypeandparametersofcommonlyusedcylinders.   [7] "LiquefiedPetroleumGasCylinders"(GB5842-2006)wasofficiallyimplementedonFebruary1,2007.   [8] Cylindersmanufacturedinaccordancewiththisstandard(GB5842-2006)haveadesignedservicelifeof8years. Previously,theservicelifeofLPGcylinderswas15years.

2018-12-14

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Warmly celebrate the launch of our website! Inordertobetterenhancethecompany'simage,strengthenthenetworkpublicity,creategoodconditionsforthecompany'soperationanddevelopment,andbetterdisplaythecompany'sexternalimage,thecompany'swebsitesuccessfullyupgradedandrevamped. Thisrevisionofthewebsiteismainlyaimedatimprovingthecompany'simage,facilitatingproductpublicityandenhancingthecompany'sinfluence.Thecolumnsetting,functiondesign,servicecontentandformofexpressionofthewebsitehavebeengreatlyadjusted.Thecolumnsectionhasbeenre-establishedaccordingtothefunctionalzones,andthecompany'sinformationresourceshavebeenfurtherintegratedtoprovidemoreefficientandconvenientservicesforcustomers. Thenewversionofthewebsitehasmoreaccuratecolumnpositioning,richercontent,guidingandassistingenterprisenewspropaganda,corporatecultureconstructionandotherwork.Wewill,asalways,providehighqualityservicetoourcustomerswithmoreenthusiasm,morededicationandmoreprofessionalquality. Theoperationofthenewwebsitemarksthatourcompanyhasputforwardhigherrequirementsinnetworkpropaganda,reachedahigherlevel,andlaidasolidfoundationforthelong-termdevelopmentofthecompany. Ihopeyouwillcontinuetopayattentionandprovidemorevaluablecomments!

2018-12-14

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