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Die Thickness And Mill Throughput on Pellet Quality

July 20, 2022

(NC State Feed Mill Education Unit)

ASAE 5269.3 – Developed by Kansas State University – 500 g whole pellets (sifted), Tumble for 10 minutes, Screen & Calculate

Factors Influencing Pellet Quality at Constant Throughput Rate

  • Formulation = 40%
  • Conditioning = 20%
  • Particle Size = 20%
  • Cooling = 5%
  • Die Specification = 15%
  • Throughput = ?%

charts on pell quality

 

How does Effective Thickness (Length/Diameter Ratio) & Throughput Rate affect quality?

NCSU Study

  • ➔ 82% Corn
    • 12% Soybean Meal
    • 2.5% Mineral
    • 0.5% Vitamin
    • 3.0% Poultry Fat
  • CPM 1112 (30 hp)
  • 11/64” Pellet Diameter
  • 20 second conditioner retention time @ 181oF Conditioning Temperature

charts on effective thickness and throughput rate


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