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How to increase Slurry Pump seal and packing reliability while reducing Gland Water requirements.

2014 MRO Technical Conference & Workshop. How to increase Slurry Pump seal and packing reliability while reducing Gland Water requirements. 2014 MRO Technical Conference & Workshop. Intro Text. Fluid flow dynamics for packed and sealed slurry pumps. Packed Stuffing Box. Mechanical Seal.

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How to increase Slurry Pump seal and packing reliability while reducing Gland Water requirements.

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  1. 2014 MRO Technical Conference & Workshop How to increase Slurry Pump seal and packing reliability while reducing Gland Water requirements.

  2. 2014 MRO Technical Conference & Workshop Intro Text

  3. Fluid flow dynamics for packed and sealed slurry pumps Packed Stuffing Box Mechanical Seal

  4. Fluid flow dynamics for sealed slurry pumps

  5. Fluid flow dynamics for sealed slurry pumps 15 ft/sec Velocity

  6. Fluid flow dynamics for sealed slurry pumps

  7. Fluid flow dynamics for packed and sealed slurry pumps 15 ft/sec Velocity

  8. Slurry Pump Lantern Restrictors Metal Lantern Restrictor 1. Full Flow Non-Metal Lantern Restrictor 2. Low Flow Lantern Ring 3. Ultra Low Flow Neck Ring

  9. Slurry Pump Lantern Restrictors Metal Lantern Restrictor 4. Forward Flush Non-Metal or Metal Lantern Restrictor 5. Low Flow 6. Throat Bushing Bushing

  10. Dirty Gland Water affects traditional Lantern Restrictors Low Flow Lantern Restrictor

  11. Dirty Gland Water affects traditional Lantern Restrictors Low Flow Lantern Restrictor

  12. Dirty Gland Water affects traditional Lantern Restrictors Low Flow Lantern Restrictor

  13. Flow Past Bushing Calculations Radial Clearance of .003” (.006” total) – Flowrate Past Bushing = 0.80 GPM

  14. Flow Past Bushing Calculations Radial Clearance of .004” (.008” total) – Flowrate Past Bushing = 2.07 GPM

  15. Flow Past Bushing Calculations Radial Clearance of .005” (.010” total) – Flowrate Past Bushing = 4.27 GPM

  16. “Active Throat Bushing” – Mechanical Seals

  17. Computational Fluid Dynamics – Mechanical Seal Visual Active Throat Bushing

  18. Slurry Pump – Seal Cavity with “Active Throat Bushing”

  19. Active Throat Bushing – Operating with a Mechanical Seal

  20. Regular Stuffing Box Active Throat Bushing

  21. “Active Throat Bushing” – Mechanical Packing

  22. Computational Fluid Dynamics – Mechanical Packing Visual Active Throat Bushing

  23. Computational Fluid Dynamics – Mechanical Packing Visual Channel 1 flow vectors and contours at 0-deg position

  24. Computational Fluid Dynamics – Mechanical Packing Visual Channel 1 flow vectors and contours at Port 1

  25. Computational Fluid Dynamics – Mechanical Packing Visual 1 gpm 1750 rpm flow Geometry 1 pressure contours displayed on bushing/groove flow surfaces (psi)

  26. Typical flush rates based on shaft size with Active Throat Bushing

  27. Active Throat Bushing – Packing and Seal Solution Packed Stuffing Box Mechanical Seal

  28. 2014 MRO Technical Conference & Workshop Questions?

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