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:2018-09-29

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

2、t,aprocessknownaswatersoftening,theuseofdevicecalledionexchange,alsoknownaswatersofteners.Aswiththehardnessofrawwaterthroughtheexchangerresinlayer,thewaterofcalciumandmagnesiumionsadsorbedbytheresin,whilethereleaseofsodiumions,sothatthewatercomesoutoftheswitchissoftenedtoremoveh

3、ardnessions,whentheresinadsorptionofcalciumandmagnesiumionsuptoacertaindegreeofsaturation,thewaterhardnessincreases,thenwatersoftenerwillbeautomaticallycarriedoutaccordingtoapredeterminedfailureofregenerationoftheresin,theuseofhigherconcentrationsofsodiumchloridesolution(saltwat

4、er)throughtheresin,thefailurerestoretheresintothesodiumresin.2,themainfeaturesofautomaticsoftener:1)Thehighdegreeofautomation,waterconditions,longservicelife.Fullautomatic,justonaregularbasiswithsalt,withouthumanintervention.2)highefficiency,lowenergyconsumption,lowoperatingcost

5、s.Theoveralldesignofthewatersoftenerisreasonable,theexchangecapacityoftheresingivenfullplay,theenergyconsumptionofthedeviceitselfwassignificantlylowerthanthegeneralindexsoftenedwaterequipment,automaticcontroldevicesdonotneedfull-timeoperators,whichgavetheuserwithtomanyofthefacil

6、ities,andproducegoodeconomicreturns.3)equipment,compactstructure,smallfootprint,nospecialequipmentfoundation,placedontheflatconcretefloorcanbe.4)easytouse,installation,commissioning,operationissimple,stableperformancecontrolunit,abletoremovetheuser'sworries.5)corrosionresistance

7、,anti-pollution,lead-freebrasscontrolvalve,linedwiththeexchangeofnon-toxicPEplasticcans,PEplasticmaterialofthesaltboxes,whicharesufficienttoensurethattheequipmentcorrosion,anti-pollution,non-toxic,tasteless,excellentsoundperformance.3,automaticsoftenerrangeofapplications:Industr

8、ialboilers,centralairconditioning,heatexchanger

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