Slurry Pump Basic - valveproducts.metso.com

1 Slurry Pump BasicBasic guidelines in Slurry pumping Cover 1+2+3+ 12014-08-28 11:55:59 Published byMetso Minerals (Sweden) ABS-733 25 Sala, SwedenTelephone +46 224 570 00 Telefax +46 224 169 50 Cover 1+2+3+ 22014-08-28 11:55:59 ContentHISTORY 1 INTRODUCTION 2 Basic DEFINITIONS 3 MECHANICS 4 COMPONENTS 5

2 WEAR PROTECTION 6 SEALS 7 SHAFT AND BEARINGS 8 DRIVES 9 HYDRAULIC PERFORMANCE 10 SYSTEMS 11 BEST EFFICIENCY POINT (BEP)

3 12 NOMENCLATURE AND FEATURES 13 TECHNICAL DESCRIPTIONS 14 APPLICATION GUIDE 15 SIZING 16 INTRODUCTION TO METSO PUMPDIM 17 MISCELLANEOUS 18 CHEMICAL RESISTANCE TABLES 19 PRIVATE NOTES 20 ContentSLURRY PUMPS 12014-08-28 11:53:27 Content1.

4 HISTORYS lurry Pumps - History ..1-1 Horizontal Slurry Pumps ..1-2 Vertical Froth Pumps ..1-2 Vertical Sump and tank Pumps ..1-32. INTRODUCTIONH ydraulic transportation of solids ..2-5 What type of solids? ..2-5 What type of liquids? ..2-5 Definition of a Slurry ..2-5 What are the limitations in flow? ..2-6 What are the limitations for solids? ..2-6 Slurry pumps as a market concept ..2-63. Basic DEFINITIONSWhy Slurry pumps? ..3-9 Slurry Pump - name by duty ..3-9 Slurry Pump - name by application ..3-9 Slurry pump - Dry or Semi dry? ..3-10 Slurry Pumps and wear conditions ..3-124. MECHANICSB asic components ..4-15 Basic designs ..4-155. Slurry PUMP - COMPONENTSI mpeller/Casing ..5-17 Pump impeller and casing - the key components of all Slurry Pumps.

5 5-17 The Slurry Pump impeller ..5-18 Impeller vane - designs ..5-18 Number of impeller vanes? ..5-19 Semi-open or closed impeller? ..5-20 Closed impellers ..5-20 Semi-open impellers ..5-20 Vortex/induced flow impellers ..5-21 Basic rules ..5-21 Impeller diameter ..5-21 Impeller width ..5-22 Limitations in geometry and why? ..5-23 The Slurry Pump casing ..5-23 Volute or concentric? ..5-24 Split or solid casings? .. 22014-08-28 11:53:27 Content6. WEAR PROTECTIONA brasion ..6-27 Erosion ..6-28 Effect of erosion on pump components ..6-29 Wear protection - what options? ..6-30 Selection of wear materials ..6-31 Effect of particle size on material selection ..6-32 Selection of wear material - of wear material - Elastomers.

6 6-33 The elastomer families ..6-34 Something about ceramic liners ..6-357. SEALSC ritical parameters for the selection of seals ..7-37 Basic function of shaft seal ..7-38 Type of leakage ..7-38 Location and type of seals ..7-38 Flushing seals ..7-39 Seals without flushing ..7-40 Centrifugal seals ..7-40 Centrifugal seal limitations ..7-41 Mechanical seals ..7-41 Slurry Pumps without seals - vertical SHAFTS AND BEARINGST ransmission designs ..8-45 Pump shafts and the SFF factor ..8-45 Basic on bearings ..8-46L10-life ..8-46 Bearing configurations ..8-46 Bearings and bearing arrangements ..8-46 Selection of bearings ..8-479. DRIVES FOR Slurry PUMPSI ndirect drives ..9-49 Direct drives.

7 9-49 Drive arrangements ..9-50V-belt transmissions (fixed speed drives) ..9-51V-belt transmissions - limitations ..9-51 Variable speed drives ..9-52 Something about combustion engine drives .. 32014-08-28 11:53:27 Content10. HYDRAULIC PERFORMANCEH ydraulic peformance ..10-55 Pump curves ..10-56 Hydraulic performance- what curves are needed? ..10-57H/Q curves- pump affinity laws ..10-58 Slurry effects on pump performance ..10-59 Pump performance with settling slurries ..10-60 Pump performance with non-settling (viscous) slurries ..10-61 Performance correction chart ..10-62 Head and pressure ..10-63 Hydraulic conditions on the suction side ..10-64 Net Positive Suction Head (NPSH).

8 10-64 Vapour pressure and cavitation ..10-64 NPSH - calculations ..10-66 Pumps operating on a suction lift..10-69 Priming of Slurry Pumps ..10-69 Froth pumping ..10-71 Froth sizing of horizontal pumps ..10-72 Vertical Slurry Pumps - the optimal choice for froth pumping ..10-73 The VF - designed for froth pumping ..10-7411. Slurry PUMP SYSTEMSG eneral ..11-77 The pipe system ..11-78 Friction losses ..11-79 Straight pipes ..11-79 Friction losses fittings ..11-79 TEL - Total Equivalent Length ..11-79 Velocities and friction losses - Calculation chart ..11-80 Valves, fittings, head losses ..11-81 Slurry effects on friction losses ..11-82 Friction losses settling slurries ..11-82 Friction losses non-settling slurries.

9 11-83 Sump arrangements ..11-84 Multiple-pump installations ..11-86 Pumps in series ..11-86 Pumps in parallel ..11-86 Basics of viscosity ..11-87 Apparent viscosity ..11-88 Other non-Newtonian fluids ..11-8912. BEST EFFICIENCY POINT (BEP)Hydraulic effect of efficiency point operation ..12-91 Radial load .. 42014-08-28 11:53:27 ContentAxial load ..12-93 Effects of shaft deflection ..12-93 BEP - Summary ..12-9413. NOMENCLATURES AND FEATURESM etso Minerals Slurry Pump program ..13-95 Nomenclature ..13-95 Highly abrasive duty pumps ..13-96 Abrasive duty pumps ..13-97 Vertical pumps ..13-98 Slurry Seal ..13-9914. TECHNICAL DESCRIPTIONSG eneral ..14-101 Slurry Pump type XM ..14-106 Dredge Pump type Thomas.

10 14-108 Slurry Pump type Vasa HD and XR ..14-110 Slurry Pump type HR and HM ..14-112 Slurry Pump type MR and MM ..14-114 Slurry Pump type VT ..14-116 Slurry Pump type VF ..14-118 Slurry Pump type VS ..14-120 Slurry Pump type VSHM - VSHR - VSMM ..14-123 Frame and wet-end modular configurations ..14-126 Slurry Seal ..14-127 Slurry Pump type Pump type STHM ..14-13215. APPLICATION GUIDES election by duty or industrial application ..15-135 Selection by duty ..15-135 How to pump ..15-136 How to feed ..15-136 Selection by solids ..15-137 Coarse particles ..15-137 Fine particles ..15-137 Sharp (abrasive) particles ..15-137 High percent solids ..15-137 Low percent solids ..15-138 Fibrous size particles.