I. Overview
Fluidized bed drying equipment is one of the mechanical and chemical processes for fluid or solid particles, such as drying, leaching, adsorption and ion exchange, particle mixing, etc., using fluidization technology.
Second, the working principle
The wet material entering the fluidized bed is in contact with the hot air above the air distribution plate, and the material particles are suspended in the air flow to form a fluidized state. The material particles in the fluidized state are uniformly and thoroughly mixed with the hot air, and the heat transfer and mass transfer are performed very strongly, and the moisture is removed to achieve drying. The qualified product is discharged from the discharge port of the fluidized bed, and the dust-containing gas is purified by the dust removing device and discharged into the atmosphere by the induced draft fan.
Third, the performance characteristics
1. Simple structure and convenient maintenance.
2, easy to operate, stable operation.
3. The gas-solid two-phase contact is uniform, the relative speed is large, the heat transfer speed is fast, and the thermal efficiency is high.
4, no rotating parts, vibrating parts, equipment maintenance costs are low.
5. For heat sensitive materials, dry at a lower temperature and the particles will not be destroyed.
Fourth, applicable materials
Granular materials, powder materials, bulk materials, fibrous materials, special shape materials.
Concerned about surprises
Label: Dry fluidized bed drying equipment knowledge
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