Fluidised Bed Dryer

DESCRIPTION : This is a dryer in which moisture removal takes place by fluidization of solids particles by hot air. The set-up fitted with a specially designed, vertical Glass Column. The lower portion of the column is filled with fluidizing material. The material is supported on the screen mesh held between two flanges. Air from a compressor is heated in the heater box and passed through the column. Flow control and by-pass valve are fitted to regulate the airflow. At the top outlet of column a cyclone is provided to collect any solid particles taken out by the air stream.

EXPERIMENTATION:

•  To study the fluidized bed drying.
•  To plot the drying curve under fluidized bed condition.

UTILITIES REQUIRED :

• Electricity Supply : 1 Phase, 220 V AC, 3 kW.
• Granular and free flowing solid of size 1 to 2 mm.

TECHNICAL DETAILS :

• Column : Material Borosilicate Glass Dia. 80 mm. Total Length 500mm.
• Cyclone Separator : Material Stainless Steel, Compatible Capacity with collector.
• Air Circulation : By forced draft fan, Arrangement is done vary the air flow rate.
• Heating Chamber : Compatible capacity
• Heater : Nichrome wire heater
• Temperature Sensors : RTD PT-100 type.
• Control panel comprises of :
• Digital Temp. Controller : 0 199.9°C (For Hot Air) Standard make on/off switch, Mains Indicator etc.
• Instruction Manual : An ENGLISH instruction manual will be provided along
• with the Apparatus
• The whole set-up is well designed and arranged in a good quality painted structure.