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07
2022
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Factors Affecting Dryer Mixer with Dimple Jacket Drying
temperature
Dryer Mixer with Dimple JacketDrying temperature, heat is the key to unlocking the synergy between water molecules and hygroscopic polymers. When it is higher than a certain temperature, the attractive force between water molecules and polymer chains will be greatly reduced, and the water vapor will be carried away by the dry air.
dew point
In the Dryer Mixer with Dimple Jacket, the humid air is first removed so that it contains very low residual moisture (dew point). Then, lower the relative humidity of the air by heating it. At this time, the vapor pressure of the dry air is low. By heating, the water molecules inside the particles get rid of the binding force and diffuse into the air around the particles.
time
In the air surrounding the particle, it takes time for the heat to be absorbed and the water molecules to diffuse to the surface of the particle. Therefore, the resin supplier should specify the time it must take for a material to dry effectively at the proper temperature and dew point.
airflow
The dry hot air of Dryer Mixer with Dimple Jacket transfers heat to the granules in the drying silo, removes the moisture from the surface of the granules, and sends the moisture back into the Dryer Mixer with Dimple Jacket. Therefore, there must be sufficient airflow to heat the resin to drying temperature and maintain this temperature for a certain period of time.
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