Conventional dryers and fluid bed dryers differ primarily in their operating principles and efficiency. Conventional dryers, like rotary or drum dryers, dry materials by applying heat directly or indirectly to the material as it passes through a rotating cylinder. They are typically used for larger, more robust materials. On the other hand, fluid bed dryers use a fluidizing medium, usually heated air, to suspend and dry particles. This results in a more uniform and efficient drying process, ideal for powdery, granular, or sensitive materials. Fluid bed dryers offer better heat transfer, faster drying times, and more uniform drying compared to conventional dryers, making them a preferred choice for various industrial applications.

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