CXS Dry Pumps Vacuum Drying€¦ · in the fine chemicals, food and pharmaceutical industries. They...

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

info@edwardsvacuum.com

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

info@edwardsvacuum.com

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.