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Linuo Machinery participated in the 2012 PTC ASIA
2019-01-17
ThesalesteamofHangzhouLinuoMachineryEquipmentCo.,Ltd.participatedinthe17thPTCASIA2012heldinShanghaifrom10.29to11.1in2012andsuccessfullycompletedthecompany'sexpecteddisplaygoals.PTCASIAistheAsiaInternationalPowerTransmissionandControlTechnologyExhibitionorganizedbyHannoverMesse(Shanghai)Co.,Ltd.,whichmaintainsastrongpopularitywithitsindustryexpertiseandinformationtimeliness,bothexhibitorsandvisitors.Theinformationyouneed.HangzhouLinuoMachineryEquipmentCo.,Ltd.exhibitedseveralsimple,low-energyandhigh-efficiencynewdryersthatattractedmanyvisitorsandinterestedcustomers,whichcausedagoodresponseintheindustryandopenedthemarketforthecompany'snewproducts.Agoodopportunity.
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What factors affect the efficiency of the refrigerated air dryer?
2019-01-17
MicroheatregenerationdryersterilizingfilterfilterThewholeprocessoffreeze-dryingisactuallythesimultaneousprocessofheattransferandmasstransfer(steam).Theheatandmasstransferrateaffectthedryingrate,whichaffectstheentirefreeze-dryingcycle.Allthefactorsaffectingheatandmasstransferwillaffect.Dryingrate.Themainfactorsthataffectheatandmasstransferare:1.FormandcompositionofmaterialsAccordingtotheformofthelyophilizedmaterial,itisusuallyclassifiedintoasolidandaliquid.Themorphologyofthesolidsandtheconcentrationoftheliquidhaveagreatereffectonthefreeze-dryingrate.2,pre-freezingrateThesizeofthecrystalformeduponfreezinggreatlyaffectstherateofdryingandtherateofdissolutionoftheproductafterdrying.Thequickfreezingandslowfreezingprocesseshavethefollowingdifferences:icecrystalsproducedbyquickfreezingaresmaller,andicecrystalsproducedbyslowfreezingarelarger.Largeicecrystalsaregoodforsublimation,smallicecrystalsarenotconducivetosublimation,rapidfreezingleadstolowsublimationrate,anddesorptionrateisfast;slowfreezingresultsinfastsublimationrateandslowresolutionrate.3,theamountWhenthematerialislyophilized,thereisacertainratioofsurfaceareatomaterialthicknessafterbeingdispensedintothecontainer,thatis,lyophilizationisrelatedtotheamountoftheproduct.Thesurfaceareaandthicknessaresmall,whichisbeneficialtothesublimationofwater,easytofreezeandgoodquality.Whendrying,thewetweightloadingperunitareaofthetrayisanimportantfactorindeterminingthedryingtime.Undernormalcircumstances,thethinnerthematerialisdeposited,thefastertheheattransferandmasstransferrate,andtheshorterthedryingtime.However,ifthethicknessofthematerialisthin,theamountofmaterialdriedperbatchperunitoffreeze-dryingareaissmall,whichisunfavorableforincreasingtheunitfreeze-dryingareaandunittimeproduction.4,dryingroompressureThepressureinthedryingchamberaffectstherateofheattransferandmasstransfer.Intermsofmasstransfer,thelowerthepressure,thebetter,andforheattransfer,thehigherthepressure,thebetter.Themasstransferrateismainlydeterminedbythetemperatureandpressureofthesublimationinterfaceandthesurfaceofthedrylayer.Itisnecessarytoincreasetheescaperateofwatervaporinthedrylayer.First,increasethetemperatureofthesublimationinterfaceandincreasethewatervaporpressureattheinterface;Itistoincreasethevacuumofthedryingchamberandreducethevaporpressureonthesurfaceofthedryinglayer.5,heattransfermodeheattransfermodeAccordingtothetraditionalclassification,itcanbedividedinto:conduction,convection,heatradiationandmediumheating(microwaveheating).Sincethesublimationdryingprocessinvolvesthetransferofheatandmass(watervapor),theheattransfermethodismoreeffectiveintransferringtheheattothematerial,whichhasagreaterinfluenceonthedryingrate.
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Refrigerated air dryer energy saving development
2019-01-17
IntermsoftraditionalChinesemedicine,freeze-dryingequipmentisstilllimitedtolyophilizationofasmallamountofChinesemedicinalmaterialssuchasginseng,velvet,yam,andCordycepssinensis.AlargenumberofproprietaryChinesemedicineshavenotbeenfreeze-dried,whichisfarfromtheforeigncountries.Withthedevelopmentofthetimes,peoplepaymoreattentiontoenergyconservationandenvironmentalprotection,andtherequirementsofdomesticfoodfreezedryersarerelativelyhigh.Fooddryingcharacteristics:1.Betterpreservethetasteandaromaoffood2,completelysavethecolorandstartofthefood3.Completelypreservethevitaminsandproteinsoffood4,canquicklyandcompletelyre-absorb5.Theperiodofconfinedfoodpreservationislong,andthestorageperiodisatleastoneortwoyears.Inthefaceofvariouschallenges,onlytheinnovationanddevelopment,betterimprovement,thefreezedryerindustrycanbebetterdeveloped.1.Reducecostsandreduceenergyconsumption:Someforeignfreezedryersarenotmadeofstainlesssteel,butlow-carbonsteelcoatedfoodcanbedriedwithresin,whichemitsinfraredlightatroomtemperature.Thesurfaceoftheshelfiscoatedwithhigh-performancefar-infraredemittingmaterialstoenhanceitsradiationability;thesurfaceofthetrayistreatedtoenhanceitsabsorptioncapacity.Theoptimizationofthestructure,sizeandfrostingcharacteristicsofthewatertrapismorepractical,becauseitscurrentcostisequivalenttothecostofthefreeze-dryingbox,andtherunningpowerconsumptionislarge.Forthelyophilizer,theheatingsystemonlysupplementsthesublimationheat,andthepowerconsumptionshouldnotbetoohigh,buttheexistingequipmentisnotsatisfactory,andthestructureshouldbeoptimizedandtheenergyconsumptionshouldbereduced.2.Developmentofcontinuousfreeze-dryingequipment:Mostofthecurrentlyproducedfreeze-dryingmachinesarebatchproducts.Withthedevelopmentofindustrialtechnology,itisaninevitabletrendtodevelopcontinuousfreeze-dryingequipmentandincreasetheoutputoffreeze-driedproducts.3,toensurethequalityofthefreezedryer:improveperformancereferstotheadditionofheatingrate,pumpingrate,temperatureuniformity,vacuumstability,enhancethenewfunctionoftheequipment.Withtheincreasingdemandforfreeze-dryingequipmentandthecontinuousimprovementofthequalityrequirementsofpharmaceuticalproducts,thefreezedryerequipmentwillhaveagreatdevelopment.Thefreeze-dryingequipmentshouldbedevelopedtowardstheindustry'senergy-savingandcost-reducingtrend.Microheatregenerationdryer
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