Fish Feed Pellets Coolerby Grace Li Fish Feed Pellet Machines Manufacturer
Counter flow cooler is cooling type that commonly used in pellet industry currently with the direction of the air and product of pellets in opposing directions. Recommended Features
- Cooling tank adopts octagon design, which can ensure the cooling has no dead angles.
- Adopt air-closed material feeder, large inlet air area, outstanding cooling effect.
- High cooling speed and favorable cooling effect. The counterflow pellets cooler can cool more pellets while maintaining optimum pellet quality.
Review on Fish Feed Pellets CoolerWorking Principle of Counterflow Pellet Cooler
In cooling two processes take place: heat transfer and moisture transfer.
Hot pellets enter the cooling bin through the inlet rotary valve. Underneath the inlet rotary valve, a distributor ensures even distribution of pellets in the cooler. The pellets is being cooled in the bin by air flow, which enters the bin through the discharge gate and leaves the bin through the air outlet. Pellets layer height is controlled by a level sensor. The level sensor ensures that the product layer is kept at a predetermined height. As soon as pellets activate the level sensor, the pendulum discharger is operated and pellets are discharged through the hopper. Discharging stops as soon as the product gets below the level sensor. In order to prevent overflow, the cooler has been provided with an overflow sensor, which stops product supply to the cooler.
Notice that: Cooling should be a gradual process. Pellets are cooled too quickly or for too long period, which both can lead to higher abrasion. Moreover, small pellets emit heat and moisture more quickly than large pellets.
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Created on Nov 11th 2015 01:38. Viewed 953 times.
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