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1、计算冰箱冷柜毛细管的公式（Formulaforcalculatingcapillaryofrefrigeratorandfreezer）Formulaforcalculatingcapillaryofrefrigeratorandfreezer1.testmethodforcapillarylengthTheprocessofopentube,highpressurepipeisconnectedwithapressuremeterisconnectedwithoneendofthecapillary,dry
2、filter,theotherendisnotwelded,startthecompressor,ifthesteadypressuregaugeatabout0.98-----1.177Mpa,canbeconsideredappropriate,thepressureistoohightocutalittlepressure,hourplusashorttrial,untiltheappropriatedate,thenthecapillaryandanevaporatorconnected.Vacuum
3、andchargerefrigerant.TwoMostfactoriesusetestmethodtodeterminethelengthofthecapillary,theequipmentneeded:high-pressurebottle,flowmeter,hydraulicmeasurementandpressuremeasurementconditions,andinthemaintenancebecauseofconditions,it'sdifficult;hereisaconvenient
4、measuringmethod:Foradoubletaildryingfilterintherefrigeratorcondenseroutputneedstoreplacethecapillaryendoftheweldedjointandthecondenserpipe(pipeselection5mmdiametercoppertubeandthreegaugeframe,inthechoiceofabasicallyandthediameterofthecapillarytubelengthares
5、imilarinlength,accordingtothepowerofthecompressorestimates,usuallyinthe2meters-2.8metersbetweentheendtoadryfilter.Theoutputendoftheinsertiondepthof0.5~1cmingeneralshouldnotbetoodeep,toodeepwilltouchthedryingfilterfilterclogging,cannotbetooshort,tooshorttolo
6、otbycapillarycaliber,correctwelding,opencompressortheexportprocess,openthecompressorconnectedtothedryingfiltercheckthepressuregaugeonthepressure,dependingonthechoiceofdifferentrefrigerantpressure,suchaspressuretoohighCutsomecapillaries,andviceversa,aslongas
7、thepressurerangeisbelow.Thepressurerangeofdifferentrefrigerantsisprovidedbelow:R1211.5~12.5KG/CM2R13410.5~11.5KG/CM2R2215.5~18KG/CM2R6009.6~10.5KG.CM2Inpracticalmaintenance,theconstanttestandthelengthofthestandardcanbeobtainedwithouttestingandknowingtheleng
8、th,butmustbeconsistentwiththediameterofthetestcapillary3.homemadefastmethodforrefrigeratorevaporatorandcapillary!!!Inthemaintenanceofrefrigerationequipment,iftherefrigeratorandfreezerevaporatorleakageo
