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.

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
  • Belt-driven by gear motor, suitable for frequency control. Frequency converter not included
  • Timing belt transmission
  • 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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Range of Time Retentions Barrels

Type Capacity(tph) Dimensions Motor Power (KW)
A B C D
700×3000 6 1425 1040 3550 2620 1,5
900×3000 11 1860 1260 3700 2570 1,5
900×4000 14 1860 1260 4650 3570 1,5
900×4500 16 1860 1260 5150 4070 1,5
900×5660 20 1860 1260 6300 5230 2,2

* With a retention time of 240 seconds