The SAIMM is a professional institute with local and international links aimed at assisting members source information about technological developments in the mining, metallurgical and related sectors.
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SAIMM Johannesburg Branch Event

Date Thu 18 April 2019, 17:00
Location WorleyParsons, Melrose Arch, Johannesburg

Background

Background

  • Mineral process specialists identify the root cause of plant failures to be the centrifugal slurry pumps
  • The sixteen parameters to be evaluated while selecting centrifugal slurry pumps
  • The small number of parameters where the centrifugal pump contributes to the overall process parameters
  • The ten parameters responsible for a successful or catastrophic pumping scenario
  • The single page heads-up display of the types and characteristics of centrifugal slurry pump applications from froth to paste
  • The single page heads-up display of the range of centrifugal slurry pumps within the product portfolio
  • The overall layout of a simplistic plant including typography, elevation and temperature
  • The Q/h system curve being the sole ownership of the final customer
  • The Q/h pump speed curve being the sole ownership of the pump designer
  • The centreline of the hydraulic universe
  • Static heads: inlet (suction), discharge, differential
  • Pipeline discharge velocity versus settling velocity
  • Hazen & Williams versus Darcy Weibach friction head loss calculation
  • Dynamic head loss: pipeline friction, pressure, velocity, intrusion
  • Desired duty point subject to six parameters: sump level, steepness of dynamic friction head loss, pump rotational speed
  • Total developed head
  • Deration of pump efficiency
  • Enhancement of total developed head
  • Power absorbed by centrifugal pump
  • Factors of safety required for drives
  • Power installed
  • Variable Frequency/Variable Voltage/Variable Speed
  • Affinity Laws
  • Metallurgical Mass Balance
  • Special Purpose Pumps for froth and paste
  • Viscosity Effect
  • Net Positive Suction Head (NPSH)