Transcription of APV Dryer Handbook
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APV Dryer Handbook 12/6/00 10:58 AM Page 81. sm Improving Process A P V D RY E R H A N D B O O K. sm Process to Boardroom Automation APV Dryer Handbook 12/6/00 10:52 AM Page 2. 2. APV Dryer Handbook 12/6/00 10:52 AM Page 3. C O N T E N T S. Introduction ..5. Dryer Terms ..7. Section 1. Dryers ..8. Section 2. Efficient Energy Utilization in Section 3. Fluid Bed ..37. Section 4. Spin Flash Dryers ..48. Section 5. Spray 3. APV Dryer Handbook 12/6/00 10:52 AM Page 4. 4. APV Dryer Handbook 12/6/00 10:52 AM Page 5. I N T R O D U C T I O N. The drying of materials whether solids, liquids or slurries to improve storage life or reduce transportation costs is one of the oldest and most commonly used unit operations. Drying of fruit, meat and various building and craft materials date back before the discovery of fire. The physical laws governing drying remain the same, even though the machinery to accomplish it has improved considerably! Today, dryers are in operation in most manufacturing industries including chemical, pharmaceutical, process and food.
combinations. These are convection, conduction and radiation. In the processing industries the majority of dryers employ forced convection and continuous operation. With the exception of the indirectly heated rotary dryer and ... is due to the fact that there are no heat exchanger losses and the maximum heat release from the fuel is available ...
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