Alfa Laval pump handbook (руководство к эксплуатации насосов фирмы Альфа Лаваль)

Description

2001. - 253 p.This pump handbook has been produced to support pump users at all levels, providing an invaluable reference tool. The handbook includes all the necessary information for the correct selection and successful application of the Alfa Laval ranges of Centrifugal, Liquid Ring and Rotary Lobe Pumps============================================================Это руководство к насосам было разработано для поддержки пользователей всех уровней. Это руководство включает всю необходимую информацию для правильного выбора и успешного применения насосов фирмы Альфа Лаваль в центрифугах, жидких адсорберах и мешалкахКнига для расчета насосов от известной фирмы Alfa LavalКачество 5 из 5/ContentsIntroductionIntroduction of the Pump HandbookWhat is a Pump?Terminology and TheoryExplanation of the terminology and theory of pumping applications, including rheology,flow characteristics, pressure and NPSHProduct/Fluid DataRheologyViscosityDensitySpecific WeightSpecific GravityTemperatureFlow CharacteristicsVapour PressureFluids Containing SolidsPerformance DataCapacity (Flow Rate)PressureCavitationNet Positive Suction Head (NPSH)Pressure ‘Shocks’ (Water Hammer)Pump SelectionOverview of the pump ranges currently available from Alfa Laval and which particular pumps to apply within Various application areasGeneral Applications GuidePumps for Sanitary ApplicationsPumpCAS Selection and Configuration ToolPump DescriptionDescription of Alfa Laval pump ranges including design, principle of operation and pump model typesCentrifugal PumpsGeneralPrinciple of OperationDesignPump RangeLiquid Ring PumpsGeneralPrinciple of OperationDesignPump RangeRotary Lobe PumpsGeneralPrinciple of OperationPump RangePump Materials of ConstructionDescription of the materials, both metallic and elastomeric, that are used in the construction ofAlfa Laval pump rangesMain ComponentsSteel SurfacesElastomersPump SealingExplanation of pump sealing principles with illustrations of the different sealing arrangements used on Alfa Laval pump ranges. A general seal selection guide is Included, together with various operating parametersMechanical Seals - GeneralMechanical Seal Types in Alfa Laval Pump RangesOther Sealing Options (Rotary Lobe Pumps only)Pump SizingHow to size an Alfa Laval pump from product/fluid and performance data given, supported by relevant calculations and worked examples with a simple step by step approachGeneral Information RequiredPowerHydraulic PowerRequired PowerTorqueEfficiencyCentrifugal and Liquid Ring PumpsFlow CurveFlow ControlAlternative Pump InstallationsWorked Examples of Centrifugal Pump Sizing (Metric Units)ExampleExampleWorked Examples of Centrifugal Pump Sizing (US Units)ExampleExampleRotary Lobe PumpsSlipInitial Suction Line SizingPerformance CurvePumps fitted with Bi-lobe Rotors (Stainless Steel)Pumps fitted with Bi-lobe Rotors (Non Galling Alloy)Pumps fitted with Tri-lobe Rubber Covered RotorsPumps with Electropolished Surface FinishGuidelines for Solids HandlingGuidelines for Pumping Shear Sensitive MediaWorked Examples of Rotary Lobe Pump Sizing (Metric Units)Worked Examples of Rotary Lobe Pump Sizing (US Units)Pump Specifications OptionsDescription of the various specification options available for the Alfa Laval pump ranges, such as port connections, heating/cooling jackets, pressure relief valves and other ancillariesCentrifugal and Liquid Ring PumpsPort ConnectionsHeating/Cooling JacketsPump Casing with Drainncreased Impeller GapPump Inlet InducerRotary Lobe PumpsRotor FormClearancesPort ConnectionsRectangular InletsHeating/Cooling Jackets and SaddlesPump Overload ProtectionAncillariesMotorsDescription of electric motors, including information on motor protection, methods of starting, motors for hazardous environments and speed controlOutput PowerRated SpeedVoltageCoolingInsulation and Thermal RatingProtectionMethods of StartingMotors for Hazardous EnvironmentsEnergy Efficient MotorsSpeed ControlChanging Motor NameplatesCentrifugal and Liquid Ring Pumps onlyCleaning GuidelinesAdvises cleaning guidelines for use in processes utilising CIP (Clean In Place) systems. Interpretations of cleanliness are given and explanations of the cleaning cycleCompliance with InternationalStandards and Guidelines Description of the international standards and guidelinesapplicable to Alfa Laval pump rangesInstallation GuideAdvises guidelines relating to pump installation, system design and pipework layoutGeneralSystem DesignPipeworkWeightElectrical SupplyFlow DirectionCentrifugal PumpsRotary Lobe PumpsBaseplates Foundation (Rotary Lobe Pumps only)Coupling Alignment (Rotary Lobe Pumps only)Special Considerations for Liquid Ring PumpsPipeworkTroubleshootingAdvises possible causes and solutions to most common problems found in pump installation and operationGeneralCommon ProblemsLoss of FlowLoss of SuctionLow Discharge PressureExcessive Noise or VibrationExcessive PowerRapid Pump WearSeal LeakageProblem Solving TableTechnical DataSummary of the nomenclature and formulas used in this handbook. Various conversion tables and charts are also shownNomenclatureFormulasConversion TablesLengtholumeolumetric CapacityMass CapacityPressure/HeadForceTorquePowerDensityViscosity Conversion TableTemperature Conversion TableWater Vapour Pressure TablePressure Drop Curve for 100 m ISO/DIN TubeVelocity (m/s) in ISO and DIN Tubes at various CapacitiesEquivalent Tube Length TableISO Tube MetricISO Tube FeetDIN Tube MetricDIN Tube FeetMoody DiagramInitial Suction Line SizingElastomer Compatibility GuideChanging Motor Name PlatesGlossary of TermsExplains the various terms found in this handbook