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Tray Dryer on Pharmaceutical Industry
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- 2. 1 2 3 4 Introduction Principle Construction & workingprocess Advantages, Disadvantages, Uses
- 3. Owner is apharmaceutical company of BangladeshThe company uses this for around 20 years The company didn’t update the machine much They use it for drying sugar They bought the dryer from a local supplier The machine is customized
- 4. • Forced convection •Heat transfer by heater or steam • Control panel helps in controlling temperature • Uniform heat distribution Principle • Static bed Dryer bed Heat Process Dryer bed Air flow Materials • Wet or solid • Hot air is circulated • Moist air is removed partially • Parallel air flow
- 5. Advantages of usinga tray dryer Handling of materials can be done without loss Batch wise operation Suitable for small sized batch Same equipment is readily use for wide variety of materials Valuable products can be handled efficiently Handling as separate entity
- 6. Disadvantages of using a traydryer High cost The process is time consuming Non-uniform drying of a product at different locations Requires more labor
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- 9. TRAY DRYER How itlooks from outside TRAYS Placed inside the chamber CHAMBER Hot chamber including Truck on wheel MOTOR Helps in rotating fan inside the chamber
- 10. HEATER Rises the temperature ofair inside CONTROLLING CHAMBER Control air pressure and temperature TRUCK ON WHEEL Contains trays inside the chamber FAN Circulate hot air inside the chamber
- 11. Reference: 1. Pharmaceutical Engineeringprinciples and practices by C.V.S Subrahmanyam
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