Tray Dryer on Pharmaceutical Industry

he Tray Dryers are specially designed for Pharmaceuticals, Food, Chemicals, Paints, Textiles & other industries. It is well accepted for economical drying of granules, powder , food material & chemicals.

1. Presentation on Tray Dryer

2. 1 2 3 4 Introduction Principle Construction & working process Advantages, Disadvantages, Uses

3. Owner is a pharmaceutical company of Bangladesh The 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 using a 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 tray dryer High cost The process is time consuming Non-uniform drying of a product at different locations Requires more labor

7. 1 2 3 4 5 9 8 7 6 Sticky materials Plastic substance Granular mass Crystalline materials Pastes Crude drugs Tablet granules Chemicals Equipment parts Powder 10 Tray dryer is use to dry:

8. What’s next? CONSTRUCTION!

9. TRAY DRYER How it looks 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 of air 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: Pharmaceutical Engineering principles and practices by C.V.S Subrahmanyam

12. Thank You All