Retention Time Barrel (RTB)

After the homogeneous mixing of steam in a conditioner  the product remains, during a preset length of time, in this heated and insulated retention time barrel. After the RTB the product can be further treated in a pellet mill, extruder or meal cooler. The thermal treatment of the product results in an easier operation in the pellet mill, which simultaneously results in an improved pellet quality.

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Advantages Retention Time Barrel

  • Guaranteed first-in/first-out of the mixture
  • Up to 15% increase of pelleting capacity, due to higher temperature and improved absorption of steam
  • Product is kept at required temperature
  • Minimal formation of condensation
  • Reduced growth of bacteria
  • Easy to clean
  • Simple design

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Features

  • All components that come into contact with the product are from AISI 304
  • Solid shaft with large flight and inclined pitch
  • Stuffing box sealings on shaft
  • Direct drive or timing belt transmission, depending on the type of RTB
  • Suitable for frequency control
  • Large inspection doors with safety switch
  • Temperature sensor PT 100
  • Insulated with rock-wool
  • Electric heating system with adjustable thermostat 30-110 °C
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