Download - CXS Dry Pumps Vacuum Drying€¦ · in the fine chemicals, food and pharmaceutical industries. They also offer significant advantages in processes used in plastics, ceramics, dyes,

Vacuum science... product solution.

Vacuum drying

Vacuum drying uses pressure reduction to remove moisture or solvents from a substance. Reducing the pressure lowers the boiling point of liquids, allowing the removal of vapours at reduced temperatures.

• Nofussͳ Easytoinstallandcontrol,quietrunning,minimummaintenance

ͳ Just“fitandforget”

• Simplyreliableͳ Evenindifficultanddemandingenvironments,withexcellentliquidandsolidshandling

• Lowcostofownershipͳ Lowenergyusageandutilitycosts

• Robustͳ Pumpscorrosivevapourswithoutcorroding

• Environmentallyfriendlyͳ Nocontaminationoftheprocessstreamorcoolingwater

ͳ Noeffluentgeneration

Dryingisusuallyatime-consumingprocess,sooptimisedsolutionsprovideconsiderablesavingsintime,energyandcosts.Vacuumimprovesthedryingratesignificantlyforverydenseproductsandishighlyeffectiveintherecoveryoftoxicconstituents,valuablesolventsorfragrances.Itisessentialforproducingthelowtemperaturesrequiredtopreventdegradationandimproveproductqualityandviability.

Asexpertsinvacuumtechnology,Edwardshasafullunderstandingofdryingprocessesandtheimportancenotonlyofpumpsizingandselectionforeffectivesolidsandliquidhandlingbutalsothechallengespresentedbycorrosive,flammable,explosiveandpoisonouschemicals.

EdwardsCXSpumpsareideallysuitedtovacuumdryingprocessesinthefinechemicals,foodandpharmaceuticalindustries.Theyalsooffersignificantadvantagesinprocessesusedinplastics,ceramics,dyes,paintandpigments.Theyareavailableasstandaloneunitsorascompletesystemsincombinationwithboosterpumpsandaccessoriessuchasflamearrestors,knockoutpots,condensersandfilters.

CXS benefits

• Safetyassuredͳ ATEXcertifiedforuseinhazardousenvironments

ͳ Explosion-proofͳ Safepumpingofflammablegases

• Outstandingsupportͳ Fromaglobalcompanyfamedforitsbest-in-classtechnologyandapplicationsexpertise

CXS chemical dry vacuum pump

application note

Pressure Control with a CXS and Pressure Transmitter (PT)

Module 1

Communication hardware options:- MCM MicroTim- Ethernet- Profibus DP- RS232

Reactants + Product

Distillation or Evaporation

CXS VACUUM

CXSPUMP

SYSTEM

PT

Any process vessel, e.g., a reactor

condenser with receiverFeed

No expensive control valve

Inlet valve

Optional DCS,Local Control Panel

or Computer

Module 2

Module 4 Module 5

CXSmoduleoptions:

Module1: CXSpumpwithpurges,inletandoutletflamearresters,inletvalve,inverter,controller&safetyinterlocks

Module2: SolventflushpackageModule3: Inletvalveby-passlineModule4: InletKOPwithlevelcontrolModule5: Inletreceiverwithauto-drainModule6: EHmechanicalboosterModule7: Exhaustcondenser&receiverModule8: Inletcondenser

Additionalmoduleoptions:

• Exhaustsilencer• Dustfilter• Pressurecontrolvalve• Othercontroloptions• Localcontrolpanel• Additionalmechanicalboosters• Documentationpackages• Systemskid

Module 3

Module 6

Module 7

Dryingapplications

• Finechemicals• Specialitychemicals• Pharmaceuticalsandtheirintermediates• Agrochemicals• Plastics• Paints,dyesandpigments• Explosives

WhentouseCXS

CXSpumpsshouldbeconsideredforvacuumdryingwhen:• Minimisingdryingtimes• Lowproducttemperaturesarerequiredtopreventdegradation

andimproveproductqualityandviability• Lowfinalpressuresaredesirable• Anendproductrequiresextremelylowlevelsofresidualliquids• Aheatedproductincontactwithaircausesoxidationorriskof

explosion• Recoveryoftoxicconstituents,valuablesolventsorfragrances

isrequired• Handlingtrickymaterials,especiallyparticulates,sticky

substancesandprocessupsets• Goodpressurecontrolsarerequiredduringthedryingcycle• Fastrecoveryofequipmentcostisrequired• Clean,reliable,safevacuumisrequired

Module 8

Global contacts

[email protected]

EUROPEUK Crawley+441293528844UK (local rate)08459212223BelgiumBrussels+3223000730FranceParis+33141211256GermanyMunich08000001456ItalyMilan+3902484471

USANiagara (toll free)+18008489800BRAZILSao Paulo+551139525000ISRAELQiryat-Gat+97286810633

ASIA PACIFICChina (toll free)+864001119618India,Pune+912040752222Japan,Yachiyo+81474588831Korea,Bundang+82317167070Singapore+6565468408Taiwan R.O.C.JhunanTown+88637581000

[email protected]

CXS features

PublicationNumber:P41100250,IssueB©EdwardsLimited2013.Allrightsreserved.

EdwardsandtheEdwardslogoaretrademarksofEdwardsLimited.

• CXSchemicaldrypumpsfeaturecutting-edgetaperedscrewtechnology.Smooth,gradualcompressionalongthelengthoftherotorresultsinimprovedthermalcontrolandoptimisedperformanceatallinletpressures

• Anadvancedtemperaturemanagementsystemmaintainsthepumptemperatureatprogrammablelevelsforoptimal,repeatableprocessperformance

• Theinnovativedesignusesfloodedair-gappotted,highefficiencymotors.Integraldriveandcontrolsystemsfurtherhelptolowerthecostofownership

• Quietrunning,withnoiselevelstypicallyaslowas64dB(A)

• CXSchemicaldrypumpsaredesignedtobegoodathandlingsolidsandeasytorestart.Theycanhandleatleastonelitreofliquidperminutecontinuouslyandslugsofupto25litreswithoutstopping

• Anintegralcontroller,PIDpressurecontrolandsafetysystemsallowfor‘plugandpump’operation.PumpscanbelinkedtoanyexternalcontrolsystemviaavarietyofinterfacesincludingEthernetandProfibusDP

• CXSchemicaldrypumpshavealongserviceintervalofuptofiveyearsandrequireminimalmaintenanceovertheirlifeexpectancyofmorethan25years

• Noroutineservicerequired

Systemisation

Systemisationisanimportantconsiderationforsuccessfulvacuumpumpingondryingapplications.WithCXSchemicaldrypumps,systemisationismadeeasy.Usinganextensiverangeofpre-engineeredmodules,theCXSrangeoffersthecapabilitytomatchmostcustomerapplicationneeds.

CXSpumpsareavailableasstand-alonepumpsoraspartofacompletesystem,includingmechanicalboostersforhigherpumpingcapacities.Theycanalsobeenhancedwitharangeofotherstandardaccessoriessuchasvalves,flamearresters,solventflushkits,condensers,knock-outpotsanddustfilters.

Twomodelsareavailableinitially,theCXS160andCXS250,whichgivenominalcapacitiesof160m3h-1and250m3h-1respectively.