Item | Vibrating dryer | Fluid-bed dryer | Band dryer | Rotary dryer | Flash dryer |
---|---|---|---|---|---|
Material carrying mechanism | Vibration+ Fluid bed |
Fluid bed | Conveyor | Rotary shell | Air stream |
Material coverage | Wide | Limited (Powder- particle only) | Moderate | Limited (No cohesive and adhesive materials) | Limited (No adhesive materials) |
Particle damage | Less | Less | Less | Some | Some |
Drying time adjustment | Easy (Residence time varies less) | Fair (Residence time varies widely) | Easy | Difficult | Difficult |
Heat efficiency | High | Middle | Middle | Middle or low | Middle |
Hot air volume | Controllable | High | Middle (Limited) | Low (Limited) | Low |
Carrying power | Large | Large | Small | Large | Small |
Equipment cost | Low | Low | Middle | High | Middle |
Install space | Small | Middle | Large | Large | Middle |
Dust loss | Less | A lot | Less | Middle | A lot |
Detergence (Maintenance) | Very good | Good | Hard | Bad | Little hard |