Slurry Pump Basic - Metso

1 Slurry Pump Basic Basic guidelines in Slurry pumping Cover 1+2+3+ 1 2014-08-28 11:55:59. Published by Metso Minerals (Sweden) AB. S-733 25 Sala, Sweden Telephone +46 224 570 00. Telefax +46 224 169 50. Cover 1+2+3+ 2 2014-08-28 11:55:59. Slurry pumps Content HISTORY 1. INTRODUCTION 2. Basic DEFINITIONS 3 MECHANICS 4. COMPONENTS 5 WEAR PROTECTION 6 SEALS 7 SHAFT AND BEARINGS 8 DRIVES 9 HYDRAULIC PERFORMANCE 10 SYSTEMS 11 BEST EFFICIENCY POINT (BEP) 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 Content 1 2014-08-28 11:53:27.

2 1. HISTORY. Slurry pumps - Horizontal Slurry Vertical Froth Vertical Sump and tank 2. INTRODUCTION. Hydraulic transportation of What type of solids?..2-5. What type of liquids?..2-5. Definition of a What are the limitations in flow?..2-6. What are the limitations for solids?..2-6. Slurry pumps as a market concept ..2-6. 3. Basic DEFINITIONS. Why Slurry pumps ?..3-9. Slurry Pump - name by Slurry Pump - name by Slurry pump - Dry or Semi dry?.. 3-10. Slurry pumps and wear 3-12. 4. MECHANICS. Basic 4-15. Basic 4-15. 5. Slurry PUMP - COMPONENTS. Impeller/Casing .. 5-17. Pump impeller and casing - the key components of all Slurry 5-17. The Slurry Pump impeller.

3 5-18. Impeller vane - 5-18. Number of impeller vanes?.. 5-19. Semi-open or closed impeller?.. 5-20. Closed 5-20. Semi-open 5-20. Vortex/induced flow 5-21. Basic 5-21. Impeller 5-21. Impeller 5-22. Limitations in geometry and why?.. 5-23. The Slurry Pump 5-23. Volute or concentric?.. 5-24. Split or solid casings?.. 5-24. Content 2 2014-08-28 11:53:27. 6. WEAR PROTECTION. 6-27. 6-28. Effect of erosion on pump 6-29. Wear protection - what options?.. 6-30. Selection of wear 6-31. Effect of particle size on material 6-32. Selection of wear material - 6-33. Selection of wear material - 6-33. The elastomer 6-34. Something about ceramic 6-35. 7. SEALS. Critical parameters for the selection of 7-37.

4 Basic function of shaft 7-38. Type of 7-38. Location and type of 7-38. Flushing 7-39. Seals without 7-40. Centrifugal 7-40. Centrifugal seal 7-41. Mechanical seals .. 7-41. Slurry pumps without seals - vertical 7-43. 8. SHAFTS AND BEARINGS. Transmission 8-45. Pump shafts and the SFF 8-45. Basic on 8-46. 8-46. Bearing 8-46. Bearings and bearing 8-46. Selection of 8-47. 9. DRIVES FOR Slurry pumps . Indirect 9-49. Direct drives .. 9-49. Drive 9-50. V-belt transmissions (fixed speed drives).. 9-51. V-belt transmissions - 9-51. Variable speed 9-52. Something about combustion engine 9-52. Content 3 2014-08-28 11:53:27. 10. HYDRAULIC PERFORMANCE. Hydraulic Pump Hydraulic performance- what curves are needed?

5 10-57. H/Q curves- pump affinity Slurry effects on pump Pump performance with settling Pump performance with non-settling (viscous) Performance correction Head and Hydraulic conditions on the suction Net Positive Suction Head (NPSH)..10-64. Vapour pressure and NPSH - pumps operating on a suction Priming of Slurry Froth Froth sizing of horizontal Vertical Slurry pumps - the optimal choice for froth The VF - designed for froth pumping ..10-74. 11. Slurry PUMP SYSTEMS. The pipe Friction Straight Friction losses TEL - Total Equivalent Length ..11-79. Velocities and friction losses - Calculation Valves, fittings, head Slurry effects on friction Friction losses settling Friction losses non-settling Sump Multiple-pump pumps in pumps in basics of Apparent Other non-Newtonian 12.

6 BEST EFFICIENCY POINT (BEP). Hydraulic effect of efficiency point Radial Content 4 2014-08-28 11:53:27. Axial Effects of shaft BEP - 13. NOMENCLATURES AND FEATURES. Metso Minerals Slurry Pump Highly abrasive duty Abrasive duty Vertical Slurry 14. TECHNICAL DESCRIPTIONS. 14-101. Slurry Pump type 14-106. Dredge Pump type 14-108. Slurry Pump type Vasa HD and 14-110. Slurry Pump type HR and 14-112. Slurry Pump type MR and 14-114. Slurry Pump type 14-116. Slurry Pump type 14-118. Slurry Pump type 14-120. Slurry Pump type VSHM - VSHR - 14-123. Frame and wet-end modular 14-126. Slurry 14-127. Slurry Pump type 14-129. Slurry Pump type 14-132. 15. APPLICATION GUIDE.

7 Selection by duty or industrial 15-135. Selection by 15-135. How to 15-136. How to 15-136. Selection by 15-137. Coarse 15-137. Fine 15-137. Sharp (abrasive) 15-137. High percent solids .. 15-137. Low percent 15-138. Fibrous 15-138. One size 15-138. Duties related to Head and Volume .. 15-139. High head .. 15-139. Varying head .. 15-139. Content 5 2014-08-28 11:53:27. Constant flow (head).. 15-139. High suction 15-139. High 15-140. Low 15-140. Fluctuating 15-140. Duties related to Slurry type .. 15-141. Fragile 15-141. Hydrocarbon slurries (oil and reagents contaminated).. 15-141. High 15-141. Hazardous slurries .. 15-141. Corrosive slurries (low pH).. 15-142.

8 High viscosity fluids (Newtonian).. 15-142. High viscosity fluids (non-Newtonian).. 15-142. Duties related to mixing .. 15-142. Selection of Slurry pumps by industrial application .. 15-143. Industrial segment: Metallic & industrial minerals .. 15-143. pumps for grinding 15-143. pumps for 15-143. pumps for floor 15-144. pumps for 15-144. pumps for hydrocyclone 15-144. pumps for pressure filter 15-144. pumps for tube press 15-144. pumps for 15-145. pumps for dense media (heavy media).. 15-145. pumps for general purpose mineral 15-145. Industrial segment: 15-145. pumps for wash water (sand and gravel).. 15-145. pumps for sand 15-145. pumps for tunnel 15-146.

9 Drainage pumps .. 15-146. Industrial segment: Coal .. 15-146. pumps for coal 15-146. pumps for froth (coal).. 15-146. pumps for dense media (coal).. 15-146. pumps for coal/water mixtures .. 15-146. pumps for general prupose (coal).. 15-147. Industrial segment: Waste & 15-147. pumps for effluent 15-147. Hydraulic transportation of light 15-147. pumps for soil 15-147. pumps for general purpose (coal).. 15-147. Industrial segment: Power & 15-147. pumps for FGD reactor feed (lime).. 15-147. pumps for FGD reactor discharge (gypsum).. 15-148. Content 6 2014-08-28 11:53:28. Bottom ash 15-148. Fly ash 15-148. Industrial segments: Pulp & 15-148. pumps for 15-148.

10 pumps for lime and caustic 15-148. pumps for reject pulp (containing sand).. 15-149. pumps for solids from 15-149. pumps for hydraulic transportation of wood 15-149. pumps for paper filler and coating 15-149. Floor spillage 15-149. Industrial segment: 15-150. pumps for mill scale 15-150. pumps for slag 15-150. pumps for wet scrubber 15-150. pumps for iron powder 15-150. pumps for machine tool 15-150. Industrial segment: 15-151. pumps for acid slurries .. 15-151. pumps for 15-151. pumps for 15-151. Industrial segment: Mining .. 15-151. pumps for hydraulic back filling (with or without cement).. 15-151. pumps for mine water (with solids).. 15-151. 16. SIZING.