cxs dry pumps reactor vacuum...high temperatures, remove oxygen and reaction products, or shift the...
TRANSCRIPT
Vacuum science... product solution.
Reactor vacuum duty
Chemical reactions are widely used in the synthesis of new compounds in the chemical, petrochemical, fragrance and pharmaceutical industries. Many processes require vacuum to avoid high temperatures, remove oxygen and reaction products, or shift the equilibrium in gas phase reactions.
• Simplyreliableeveninharshenvironments,withexcellentliquidandsolidshandling
• Easytoinstall,simpletooperate,quietrunning,minimummaintenance
• Consistentrepeatableperformance,unaffectedbysealwatertemperature
• Noeffluent–contaminatedwater/oilgeneratedby‘wet’vacuumsystemsiseliminated
• Processintegrity–noriskofoilorwaterinthesweptvolume
Thepressureunderwhichreactionsareconductedvariesbetween50and10-1mbar,butisusually10-20mbar.Reactorstypicallyhavecapacitiesof2m3orbelow,requiringvacuumpumpingspeedsofaround100-200m3/h.Capacitiescanbeextended,usinglargerbackingpumpsoroneormoremechanicalorvapourboosterstages,tomanythousandsofm3/h.
Historically,‘wet’vacuumtechnologieshavedominatedthissectorbutattitudesanddecision-makingprocessesarechanging,largelybecauseofthetrendtowardstighterenvironmentalregulation.
Withgreenissuesnowattheforefront,vacuumtechnologymustnotonlyenabletheprocess,itmustalsoreduceenergyusage,copewithprocessupsets,maximiseuptime,minimiseutilitiesconsumptionandabateanyeffluentorprocessby-products.Dryvacuumpumptechnologyticksallthoseboxes.
EdwardsCXSpumpstakethetechnologytoanewlevel.Ideallysuitedtoeventheharshestchemicalprocesses,theydeliveroptimumperformancewithlowerrunningcostsandminimalenvironmentalimpact.Inbrief,they’resimplyreliable.
CXS benefits
• Safetyassured–ATEXcertifiedforuseinhazardousenvironments
• Explosion-proof,ensuringsafepumpingofflammablegases
• Pumpscorrosivevapourswithoutcorroding
• Lowcostofownership,withlowenergyusageandutilitycosts
CXS chemical dry vacuum pump
application note
Pressure Control with a CXS and Pressure Transmitter (PT)
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 1
CXSModuleoptions:Module1: CXSPumpwithPurges,InletandOutletFlameArresters,
InletValve,Inverter,Controller&SafetyInterlocksModule2: SolventFlushPackageModule3: InletValveBy-passLineModule4: InletKOPwithLevelControlModule5: InletReceiverwithAuto-drainModule6: EHMechanicalBoosterModule7: InletCondenserModule8: ExhaustCondenser&Receiver
AdditionalModuleOptions:• ExhaustSilencer• ParticleFilter• PressureControlValve• OtherControlOptions• LocalControlPanel• AdditionalMechanicalBoosters• DocumentationPackages• SystemSkid
Module 2
Module 4 Module 5
Module 3
Module 6
Module 7
Module 8
Processes
CXSpumpsshouldbeconsideredforreactordutieswhenyouwant:
• Thelowestcostofownership• Increasedreactionspeed• Reactantsorproductsremovedfromthesystem• Lowproducttemperaturestopreventdegradation
andimproveproductviability• Lowfinalpressures• Extremelylowlevelsofresidualliquids• Noriskofoxidationorexplosion• Recoveryoftoxicconstituents,valuablesolvents
orfragrances• Handlingoftrickymaterials,especiallyparticulates,
stickysubstancesandprocessupsets• Goodpressurecontrolsduringthedryingcycle• Fastrecoveryofequipmentcost• Clean,reliable,safevacuum
Markets
• Pharmaceuticalsmanufacturers• Finechemicalsindustry• Generalchemicalandpetrochemicalindustries• Fragrancemanufacturers• Paintandgluemanufacturers• Resinandplasticindustries
Global contacts
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
CXS features
PublicationNumber:P41100310,IssueA©EdwardsLimited2013.Allrightsreserved.
EdwardsandtheEdwardslogoaretrademarksofEdwardsLimited.
• CXSchemicaldrypumpsfeaturecutting-edgetaperedscrewtechnology.Smooth,gradualcompressionalongthelengthoftherotorresultsinimprovedthermalcontrolandoptimisedperformanceatallinletpressures.
• Anadvancedtemperaturemanagementsystemmaintainsthepumptemperatureatprogrammablelevelsforoptimal,repeatableprocessperformance.
• Theinnovativedesignusesfloodedair-gappotted,highefficiencymotors.Integraldriveandcontrolsystemsfurtherhelptolowerthecostofownership.
• Quietrunning–noiselevelstypicallyaslowas64dB(A).
• CXSchemicaldrypumpsaredesignedtobegoodathandlingsolidsandeasytorestart.Theycanhandleatleastonelitreofliquidperminutecontinuouslyandslugsofupto25litreswithoutstopping.
• Anintegralcontroller,PIDpressurecontrolandsafetysystemsallowfor‘plugandpump’operation.PumpscanbelinkedtoanyexternalcontrolsystemviaavarietyofinterfacesincludingEthernetandProfibusDP.
• CXSchemicaldrypumpshavealongserviceintervalofuptofiveyearsandrequireminimalmaintenanceovertheirlifeexpectancyofmorethan25years.
Reactor applications
• Synthesisofnewchemicalandpetrochemicalcompounds
• Polymerisationoffattyacids
• Pyrolysisoffragrances
• Hydrocarbonandchemicalcracking
• Liquid/solidreactionoffinechemicalsintointermediates
• Organo-metallicreactionandprocesses
• Combustion,neutralisationandadsorptionreactions