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Week 4 of The Online Petfood School

Week 3 of the Credo Online Petfood School (OPS) commenced today. The programme is jointly organised by Progressus Agrischools and Perendale Publishers, and sponsored by Agentis InnovationsTietjenAndritzWengerPLP Systems and International Milling Directory.

Giuseppe R Bigliani is the first speaker to address the audience in week 4 of The Online Petfood School discussing ‘Dosing, Batching and mixing’ covering many topics such as:

  • Flow patterns
  • Flow issues
  • Consistency between handling & storage
  • Requirements to dosing elements
  • Pre & post-grinding
  • Dosing systems
  • Scale hoppers
  • Mixability
  • Rotor speed & power
  • Mixing accuracy
  • contamination

The second speaker of the session was Joe Kearns who gave a presentation on both ‘Extrusion: Knives and Dies’ and ‘Drying Standards’ where he covered the topics of:

  • Die types
  • Drilled dies/wear plates
  • Insufficient die restrictions
  • Excessive die restrictions
  • Back pressure valve
  • Knife blades
  • Knife sharpening
  • Extradite expansion
  • Co-extrusion die
  • Troubleshooting dryers
  • Dryer beds
  • Conveyor maintenance
  • Heat source maintenance
  • Common dryer problems
  • Consisted & random under-drying

The final presentation of the day was given by Keith Erdley on ‘Drying and cooling of pet foods’ where he discussed many topics such as:

  • Dryer design history
  • Primary drying components
  • Spreaders
  • Conveyor beds
  • Gas burners
  • Steam coils
  • Electric coils
  • Modern airflow design
  • Factors of control
  • Temperature
  • Bed depth
  • Product cooling
  • Types of coolers

The session finished with a Q&A with attendees invited to ask their questions to the speakers and moderators.

This session will be re-broadcasted this Friday 15 September for the U.S & Latin American audience. To register and watch it, click HERE.

Session 5 is scheduled for 21 September, at 14:00 Bangkok Time / 09:00 Central European Time, to access it and join, click HERE.


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