Fluid bed dryer
2 year ago
Description of fluid bed dryer:
Fluidized bed dryer series are ideal equipment for drying of conventionally produced aqueous products. it is successfully designed on the basis of absorption, digestion of foreign advanced technologies, it's one of the main process equipment for the solid dosage production in pharmaceutical industry, it is widely equipped in pharmaceutical, chemical, food industries for drying powder and granule materials.
Work principle of fluid bed dryer:
Fluidized Bed Dryer is designed to introduce the hot air stream at the base of the product container which is filled with the
material. Induced draught is created by means of blower and fresh air is sucked in to the unit. The fresh air is heat by means of electrical heaters or steam or thermic fluid heaters. This hot air stream expands the bed of material at certain velocity & creating turbulence in the product. The phenomenon is known as fluidisation and offer conditions which are almost ideal for drying. Fluidisation produces full agitation of solid particles and since each particle gets surrounded by hot air, heat transfer is extremely high and uniform. The product is dried fast without appreciable loss of heat. Filter bags prevent particles escaping from the dryer.
Features of fluid bed dryer:
1. Fluidized bed is designed in round structure to avoid dead ends.
2. in the bed there is stirrer. It avoids agglomeration of damp material and forming channel flow during drying.
3. It uses tipping unit to discharge granule, which is convenient, fast and thorough. It can also design automatic feeding and discharging system as required.
4. Sealed negative-pressure operation. Air filtered. Easy operation and cleaning.
5. Fast drying speed and uniform drying temperature. Drying time is generally 20-30 minutes for each batch, depending on the material.
Parameters of fluid bed dryer:
|
Model
|
FG-3
|
FG-5
|
FG-30
|
FG-60
|
FG-120
|
FG-200
|
FG-300
|
FG-500
|
|
Volume of container (L)
|
12
|
22
|
100
|
220
|
420
|
670
|
1000
|
1500
|
|
Capacity (kg/batch)
|
3
|
5
|
30
|
60
|
120
|
200
|
300
|
500
|
|
Power of fan (kW)
|
3
|
4
|
7.5
|
15
|
22
|
20
|
30
|
45
|
|
Steam consumption (kg/h)
|
15
|
42
|
70
|
141
|
211
|
282
|
366
|
451
|
|
Steam pressure (Mpa)
|
0.3~0.6
|
0.3~0.6
|
0.3~0.6
|
0.3~0.6
|
0.3~0.6
|
0.3~0.6
|
0.3~0.6
|
0.3~0.6
|
|
Consumption of compressed air (m3/min)
|
0.3
|
0.3
|
0.3
|
0.6
|
0.6
|
0.9
|
1.1
|
1.3
|
|
Pressure of compressed air (MPa)
|
0.4~0.6
|
0.4~0.6
|
0.4~0.6
|
0.4~0.6
|
0.4~0.6
|
0.4~0.6
|
0.4~0.6
|
0.4~0.6
|
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Main Product:
Fluid bed dryer,
Fluid bed coater,
Fluid bed granulator,
Spray dryer,
Roller compactor ,
High shear mixer
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