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Test Bench of Mini Fluidized Bed Dryer

Working Principle:
Preheated air is passed into product layer under controlled velocity after being uniformed by the distributor so as to create an fluidized state. The raw material is fed into the bed. Dehydration process can take place on very good heat & mass transfer condition. The exhaust air is cleaned by cyclone.

Material to be dried:
This dryer is mainly used for drying of powder or particle materials in pharmaceutical, food and chemical industry. The examples of materials dried in such dryers are powdered coal, fine ore, sand, ammonium sulfate, ammonium chloride, anhydrous sodium sulfite, table salt, polytetrafluoroethylene, adipic acid, calcined soda, refine salt, mirabilite, potassium chloride, potassium nitrate, ammonium chloride, polystyrene, ammonium nitrate, ammonium sulfate, calcium chloride, calcium formate, glucose calcium, calcium hypochlorite, calcium sulfate, casein, cellulose derivative, citric acid, coal, cupric sulfate, crystal sugar, calcium gluconate, alkaline pale purple dye, catalyst granules and so on.

1. Air volume in the system is controlled by frequency converter to provide different air flow rates suitable for material with different particle size and specific densities.
2. According to different material characteristics, different inlet air temperature can be set to reach different final moisture contents.
3. Fluidized drying offers fast heat and mass transfer.
4. The dryer is small in size. It is easily cleaned and handled..
5. The drying chamber is round, so it has no dead angle and can be cleaned thoroughly.
6. The dryer is widely applied in drying of solid materials in chemical industry, metallurgy, building material, biochemistry, food, textile and pharmaceutical industry.

Technical Parameter:

Structural Style

Integral Type

Inlet Temperature(℃)


Max Handling Capacityml/time


Operating Mode

Intermittent Mode


220V/50Hz (110V/60Hz)/2

Heat up Style of System

Electric Heater

Max Electric Heating Powerkw


Overall Installed Powerkw


Height of Equipmentmm




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