Personal tools

Course Outline

  Review of bulk solids fundamentals Download Course Brochure
  • Why liquids ‘flow well’ and bulk solids often ‘do not’
  • Examples of bulk material flow problems and their impacts
  • Flow problems (eg. bridging, ratholing, flooding, rate limitations, segregation)
  • Flow patterns (eg. funnel flow, mass flow, expanded flow)
  • Benefits of effective flow pattern selection/implementation

Activity 1: Workshop/quiz for review of bulk solids handling fundamentals

  Solids flow properties and application to design/troubleshooting
  • Key properties of bulk solids needed for equipment design
  • Coefficient of sliding friction for hopper and chute design
  • Cohesive strength for selecting hopper outlet size
  • Bulk density and permeability for calculating hopper outlet size
  • Discussion of influences of moisture, temperature, and particle size

Activity 2: Workshop/quiz for flow properties measurement

  Bulk solids feeders design/selection/troubleshooting
  • Key properties required for feeder design and troubleshooting
  • Features of effective screw feeders
  • Design of belt and apron feeder interfaces
  • Rotary valve features and venting

Activity 3: Workshop/quiz for bulk solids feeder design

  Gravity reclaim stockpile design
  • Stockpile flow patterns and common flow problems
  • Maximising gravity reclaim and ‘live’ capacity
  • Effective stockpile feeder designs

Activity 4: Case study for increasing stockpile ‘live’ capacity with cohesive ore

  Example flow properties test report (FPTR)
  • Understanding a material characterisation results report
  • Review of terminology and interpretation of test results
  Storage vessel design example
  • Review of common storage vessel design requirements
  • Step-by-step silo design procedure
  • Presentation of multiple solutions, with discussion of pros/cons of each option
  Transfer chute design basics
  • Review of problems in transfer chutes
  • How to prevent plugging and ensure material throughput
  • Features to minimise abrasive wear, particle attrition, and dust emissions
  • DEM (Discrete Element Modelling) example analyses illustrating flow through chutes

Activity 5: Case study for handling sticky and abrasive ore in a transfer chute

  Common segregation mechanisms and solutions
  • Understand common segregation mechanisms
  • Solutions to segregation problems
  • ‘Golden rules’ of sampling bulk solids
Keep updated with the latest news and happenings  Follow us on Linkedin  Follow us on Twitter  Featured speaker presentations  Watch event highlights and exclusive interviews  Google+  Flickr-Informa Australia