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1、Chapter1IntroductiontoProcessEquipmentKeyTermsAxialbearings轴向轴承:devicesdesignedtopreventback-and-forthmovementofashaft;alsocalledthrustbearings.Boiler锅炉:atypeoffiredfurnaceusedtoboilwaterandproducesteam;alsoknownasasteamgenerator.Compressors压缩机:mechanicaldevicesdesignedtoacce
2、lerateorcompressgases;classifiedaspositivedisplacementordynamic.Coupling联轴器:adevicethatattachesthedriveshaftofamotororsteamturbinetoapump,compressor,orgenerator.Driver:adevicedesignedtoproviderotationalenergytodrivenequipment.Heatexchanger换热器:anenergy-transferdevicedesignedto
3、transferenergyinformofheatfromahotterfluidtoacoolerfluidwithoutphysicalcontactbetweenthetwofluids.Pumps泵:devicesdesignedtomoveliquidsfromoneplacetoanother;classifiedaspositivedisplacementordynamic.Reactor反应器:adeviceusedtocombinerawmaterials,heat,pressure,andcatalystsintherigh
4、tproportionstoformchemicalbondsthatcreatenewproducts.Steamturbine蒸汽轮机:anenergy-conversiondevicethatconvertssteamenergy(kineticenergy)tousefulmechanicalenergy;usedasdriverstoturnpumps,compressors,andelectricgenerators.Valve阀:adeviceusedtostop,start,restrict(throttle),ordirectt
5、heflowoffluids.Questions:1.IdentifythepurposeofasteamturbineThepurposeofasteamturbineistoconvertskineticenergytousefulmechanicalenergyinordertodrivepumps,compressors,andelectricgenerators.(P9)2.Describetheimportanceofequipmentlubrication.Lubricationprotectsthemovingpartsofequ
6、ipment,helpsremoveheatgeneratedandprovidesafluidbarrierbetweenthemetalspartstoreducefriction,thusensuringthegoodoperationofprocessequipment.(P10)3.Explainthepurposeofbearingsandseals.Bearingspreventup-and-downandside-to-sideorback-and-forthmovementofarotatingshaft.Sealspreven
7、tleakagebetweeninternalcompartmentsinarotatingpieceofequipment.(P10)Rotaryequipmentusessealsandbearingstomaintainoperationintegrity.(P20)4.Whatisthedifferencebetweenrotaryandstationaryequipment?Rotaryequipmentischaracterizedbyacircularmovementandiscomposedofadriver,aconnector
8、,andthedrivenequipment.(P4)However,stationaryequipmentisstatic.(自己编的
