板式降膜蒸发器在铝酸钠溶液蒸发工序的应用分析

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1、查：!查堂雯圭堂堡堡塞————垒塑竺型!!ThePIatefalling-FilmEvapora：OrApplied{int】h、eEvaporationProcessofSodiun1AluminateLiquol’ABSTRACTInthispaper,existingsituationofevaporationstationsjndomesticalumi"inrefineryisintroducedSuchevaporationstations，whichh孙’eoldequipment，backwardtechnique，lowcapacityandhig

2、hstcamconsumptic．n，seriouslybottleneckaluminaproductionPlatefalling．．filmevaporator,whichhasadvantagesofhighheattran．cferfactor,lowsteamconsumptionandeasily—droppedscale．hassuccessfullyappliedtopapermaking，pharmacyandfoodindustriesByfullyconsideringthepracticalproductionjnShanxiAluminu

3、mPlant．pintefalling—filmevaporatorllasappliedtoevaporationstationsofSodiumAluminatesolutionaftertechniqueinnovationAgroupoffreePatefaHing．filmevaporatorsⅥitl130t／hofwaterevaporationcapacity,hasbeendevelcpedwhichadoptedtheprocessofsixflodandthree—stagecounter—currentflashevaporationComp

4、rehensiveheatbalancedeterminationforplatefalling—filmevaploralo『1wasmadethedeterminationdataandcalculationresultssh9wthatthetotalmaterialbalall：oan：theatquantityofthesystemarewithinperrrissibletolerancerange，majorequipmentofwholesystemworkswellandtechnicalandeconomicalindexsuchaswatere

5、vaporationquantityandunitconsumptionarebetterthantraditioralevaporationequipmentInaddition，theeffeCtSonoutputsandairstreamconsumptionofplatefalling—filmevaporatorwereanalyzed5．89millionyuanofproducticncostcan：)esa，cedannuallycomparingtothenaturaJcirculationevaporatorwithequivalentwatei

6、‘evaporationquantity．Inaddition，3308millionyuanofeconomicbenefitscanbeobtainedafterputtingplatefalling—filmeval：IoratorintousePlatefalling—filmevaporatorhasachievedgoodresultsafterappliedtoevaporationsectionofspentliquorofseedprecipitationinShanxiAlu,ninumf’lam：．whichranksthefirstindom

7、esticaluminaindustryandhasadvancedlevele、eni3internationalaluminaindustry．Therefore，itiSfirmlvbelievedthatplatefaIling—flnevaporatorwillhaveabrightfutureforwidelyapplicationtoaluminaindustry．Keywords：platefalling-filmevaporator,sodiumaluminateliquor,evaporation，heatbalancedeterminati