feed pellet cooler

feed pellet cooler

Feed pellet cooler is a key piece of equipment for cooling and dehumidifying the hot and humid pellets feed after granulating.

The temperature of the granular feed that has just been suppressed from the granulator is about 60~90 degree Celsius, and the moisture is about 14% ~ 15%. Such pellet feeds are soft, brittle and deteriorated. It must be cooled to reduce the moisture content of finished products to 10% to 13%. When the temperature drops to near room temperature (3~5 degree Celsius), packaging, transportation and safe storage are needed.


Technical parameter

Model Capacity (feeding capacity) Main Power (kw) Cooling Time Moisture Reducing (%) Volume
SKLN11×11 1-3t/h 0.55 10-15 minutes ≥3.5 1.1m3
SKLN14×14 2-5t/h 0.75 10-15 minutes ≥3.5 2.25m3
SKLN16×16 3-7t/h 1.5 10-15 minutes ≥3.5 4m3

The purpose of feed pellet cooling

  • To reduce feed pellets temperature to a slightly higher level than room temperature to ensure feed quality.
  • Reduce feed pelelts moisture to 10 to 13%, reduce the risk of mildew and prolong storage period.

Feed pellet cooler working principle

When the feed pellets from the feed pellet mill pass through the cooler, they contact with the surrounding air. As long as the atmosphere is not saturated, the water will be taken away from the surface of the pellets. The moisture in the pellets moves to the surface under the action of the capillary, and the moisture is separated from the pellets under the action of evaporation, so that the feed pellets are cooled. At the same time, the heat absorbed by the air heats the air and improves the water capacity of air. The air is continuously drained away by the fan, and the heat and moisture of the feed pellets in the cooler are taken away.
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