Machines of Industrial Drying Systems
| MACHINESThe following table shows which machine might be more appropriate according to product type. Our company can get more information on a product basis. | MACHINES | Fruit and Vegetables | Liquid Products | cake type products | Granular products | Big-Volume products | Powder products | Filter Press Waste | Pneumatic Dryer | bad | bad | Very good | bad | bad | good | Very good | Tray Dryer | good | bad | medium | medium | medium | medium | medium | Continuous Tray Dryer | good | bad | medium | medium | medium | medium | medium | Belt Dryer | good | bad | bad | medium | medium | bad | Bad | Pipe Dryer | bad | bad | bad | good | bad | good | Bad | Fluid Bed Dryer | bad | bad | bad | good | bad | medium | Bad | Spray Dryer | bad | Very good | bad | bad | bad | bad | Bad | Cabinet dryer | medium | bad | bad | medium | Very good | bad | Bad | Mixing Drier | bad | bad | bad | good | bad | bad | bad |
Following data need to be collected before selection of dryers (Papagiannes, 1992; Van’t Land, 1991) | 1. Physical form of feed – Liquid, slurry, pasty, free flowing powders, granular, crystalline, continuous sheet, discontinuous sheet. | 2. Dryer throughput (Kg/hr). | 3. Upstream/Downstream equipment – batch or continuous. | 4. For particulate feed products, mean particle size and size distribution. | 5. Inlet/outlet moisture content of product. | 6. Maximum allowable product temperature. | 7. Drying curve. | 8. Feed cohesiveness. | 9. Product fragility. | 10. Contamination by drying gas. | 11. Explosion characteristics (vapor/air and dust/air). | 12. Toxicological properties. | 13. Corrosion aspects. | 14. Product value. | 15. Experience already gained. |
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