Tray Dryier
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Air Flow and Thermodynamics
Tray Dryer
This is a basic unit for studying of tray drying by hot air.
The unit consists of a rectangular duct. Air is drawn into the duct by an axial flow fan at the front end of the duct. Fan speed is adjustable. A bank of electric heaters behind the fan raises air temperature. Behind the heater is a drying compartment with transparent access door. A rack of trays is suspended from a balance above the duct. Temperatures and humidity before and after the drying trays are measured.
Instruction manual is also included.
TYPICAL EXPERIMENTS- Tray drier drying curves.
- Effect of particle size.
- Effect of air velocity.
- Effect of air temperature.
TECHNICAL DATADrying section 350 x 350 mm Air velocity 0.3 – 1.8 m/s Heater capacity 3 kw, variable Trays 4 stainless steel. Tray capacity 3 kg of solids (approx.) Measuring instruments – Digital balance 1 ea. – Anemometer 1 ea. – Thermo-hygrometer 1 ea. Software for data display and analysis by computer (separately supplied). Power supply 220 V, 1 Ph, 50 Hz. Other power supply is available on request. (0 reviews)