Transcription
Slurry Pump BasicBasic guidelines in slurry pumpingIntroducing the pump sizing software - Metso PumpDim for Windows
Published byMetso Minerals (Sweden) ABS-733 25 Sala, SwedenTelephone 46 224 570 00Telefax 46 224 169 50
SLURRY PUMPSContentHISTORY1INTRODUCTION2basic definitions3mechanics 4components 5wear protection6seals 7shaft and bearings8drives 9hydraulic performance10SYSTEMS11BEST EFFICIENCY POINT (BEP)12nomenclature AND FEATURES13technical descriptions14application guide15sizing16introduction to METSO MINERALS pumpdim 17Miscellaneous 18Chemical resistance tables19Private notes20Content
1. HISTORYSlurry Pumps - History.1-1Horizontal Slurry Pumps.1-2Vertical Froth Pumps.1-2Vertical Sump and tank Pumps.1-32. INTRODUCTIONHydraulic transportation of solids.2-5What type of solids?.2-5What type of liquids?.2-5Definition of a slurry.2-5What are the limitations in flow?.2-6What are the limitations for solids?.2-6Slurry pumps as a market concept .2-63. Basic definitionsWhy Slurry pumps?.3-9Slurry Pump - name by duty.3-9Slurry Pump - name by application.3-9Slurry pump - Dry or Semi dry?. 3-10Slurry Pumps and wear conditions. 3-124. MechanicsBasic components. 4-15Basic designs. 4-155. Slurry Pump - componentsImpeller/Casing . 5-17Pump impeller and casing - the key components of all Slurry Pumps. 5-17The Slurry Pump impeller . 5-18Impeller vane - designs. 5-18Number of impeller vanes?. 5-19Semi-open or closed impeller?. 5-20Closed impellers. 5-20Semi-open impellers. 5-20Vortex/induced flow impellers. 5-21Basic rules. 5-21Impeller diameter. 5-21Impeller width. 5-22Limitations in geometry and why?. 5-23The Slurry Pump casing. 5-23Volute or concentric?. 5-24Split or solid casings?. 5-24Content
6. Wear protectionAbrasion. 6-27Erosion. 6-28Effect of erosion on pump components. 6-29Wear protection - what options?. 6-30Selection of wear materials. 6-31Effect of particle size on material selection. 6-32Selection of wear material - Metals. 6-33Selection of wear material - Elastomers. 6-33The elastomer families. 6-34Something about ceramic liners. 6-357. SEALSCritical parameters for the selection of seals. 7-37Basic function of shaft seal. 7-38Type of leakage. 7-38Location and type of seals. 7-38Flushing seals. 7-39Seals without flushing. 7-40Centrifugal seals. 7-40Centrifugal seal limitations. 7-41Mechanical seals . 7-41Slurry Pumps without seals - vertical designs. 7-438. Shafts and bearingsTransmission designs. 8-45Pump shafts and the SFF factor. 8-45Basic on bearings. 8-46L10-life. 8-46Bearing configurations. 8-46Bearings and bearing arrangements. 8-46Selection of bearings. 8-479. Drives for Slurry PumpsIndirect drives. 9-49Direct drives . 9-50Comments on drive arrangements. 9-50V-belt transmissions (fixed speed drives). 9-51V-belt transmissions - limitations. 9-51Variable speed drives. 9-52Something about ”combustion engine” drives. 9-52Content
10. hydraulic performanceHydraulic peformance.10-55Pump curves.10-56Hydraulic performance- what curves are needed?.10-57H/Q curves- pump affinity laws.10-58Slurry effects on pump performance.10-59Pump performance with settling slurries.10-60Pump performance with non-settling (viscous) slurries.10-61Performance correction chart.10-62Head and pressure.10-63Hydraulic conditions on the suction side.10-64Net Positive Suction Head (NPSH).10-64Vapour pressure and cavitation.10-64NPSH - calculations.10-66Pumps operating on a suction lift.10-69Priming of Slurry Pumps.10-69Froth pumping.10-71Froth sizing of horizontal pumps.10-72Vertical Slurry Pumps - the optimal choice for froth pumping.10-73The VF - designed for froth pumping .10-7411. Slurry Pump SystemsGeneral.11-77The pipe system.
Introducing the pump sizing software - Metso PumpDim for Windows Published by Metso Minerals (Sweden) AB S-733 25 Sala, Sweden Telephone 46 224 570 00 Telefax 46 224 169 50. Content HISTORY 1 INTRODUCTION 2 baSIC DefINITIONS 3 me4CHaNICS CO5 mpONeNTS weaR pROTeCTION 6 Seal S 7 SHafT aND beaRINgS 8 DRI veS 9 HYDRaUlIC peRfORmaNCe 10 SYST
