热能与动力工程专业外文资料

热能与动力工程专业外文资料

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时间:2018-04-08

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1、WaterTreatmentSystem1,theautomaticwatersoftenerworks:Thehardnessofthewatermainbyoneofthecations:calcium(Ca2+),magnesium(Mg2+)ioncomposition.Ionexchangemethodistheuseofionexchangeresinsintheexchangeablecations(egNa,H),thewatercontainsCa,MgexchangeoutofthewaterdecreasedCa,Mgcontent,aproc

2、essknownaswatersoftening,theuseofdevicecalledionexchange,alsoknownaswatersofteners.Aswiththehardnessofrawwaterthroughtheexchangerresinlayer,thewaterofcalciumandmagnesiumionsadsorbedbytheresin,whilethereleaseofsodiumions,sothatthewatercomesoutoftheswitchissoftenedtoremovehardnessions,wh

3、entheresinadsorptionofcalciumandmagnesiumionsuptoacertaindegreeofsaturation,thewaterhardnessincreases,thenwatersoftenerwillbeautomaticallycarriedoutaccordingtoapredeterminedfailureofregenerationoftheresin,theuseofhigherconcentrationsofsodiumchloridesolution(saltwater)throughtheresin,th

4、efailurerestoretheresintothesodiumresin.2,themainfeaturesofautomaticsoftener:1)Thehighdegreeofautomation,waterconditions,longservicelife.Fullautomatic,justonaregularbasiswithsalt,withouthumanintervention.2)highefficiency,lowenergyconsumption,lowoperatingcosts.Theoveralldesignofthewater

5、softenerisreasonable,theexchangecapacityoftheresingivenfullplay,theenergyconsumptionofthedeviceitselfwassignificantlylowerthanthegeneralindexsoftenedwaterequipment,automaticcontroldevicesdonotneedfull-timeoperators,whichgavetheuserwithtomanyofthefacilities,andproducegoodeconomicreturns

6、.3)equipment,compactstructure,smallfootprint,nospecialequipmentfoundation,placedontheflatconcretefloorcanbe.4)easytouse,installation,commissioning,operationissimple,stableperformancecontrolunit,abletoremovetheuser'sworries.5)corrosionresistance,anti-pollution,lead-freebrasscontrolvalve

7、,linedwiththeexchangeofnon-toxicPEplasticcans,PEplasticmaterialofthesaltboxes,whicharesufficienttoensurethattheequipmentcorrosion,anti-pollution,non-toxic,tasteless,excellentsoundperformance.3,automaticsoftenerrangeofapplications:Industrialboilers,centralairconditioning,heatexchanger

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