ZLG-vibration fluidized bed dryer process (2)
Structural composition of vibrating fluidized bed dryer
First of all, the vibrating fluidized bed dryer is mainly composed of the following parts:
| Air inlet mechanism: | Air duct | Air inlet | Gas pre-division room | Gas distribution plate |
|---|---|---|---|---|
| Bed body : | case | Inlet | Outlet | Duct |
| Vibration mechanism: | Vibration motor | Spring support | ||
| Bracket : | According to the installation requirements, it is used to carry the dryer. | |||
A vibrating fluidized bed dryer is a vibrating machine that is supported on a set of springs and powered by an excitation motor. The filtered air is sent to the heater through a high-pressure centrifugal fan through a tempering valve, and the superheated air pipe is branched into the air inlet chamber. The gap in the bed of material particles is then passed through the small holes of the horizontally mounted air distribution plate. In the bed, hot air and materials are fully transferred to heat and mass, and then discharged from the air outlet duct of the dryer to the trapping system to recover fine particles entrained by the gas. The wet material is fed into the feed port by the feeder, and is uniformly and continuously moved to the discharge port at a desired speed under the vibration of the vibration motor. After the orthogonal hot air of the material is sufficiently contacted and dried, the zui is discharged at the discharge port, collected and packaged.
- The vibrating fluidized bed dryer is an enhanced special purpose drying device which is usually used for the final drying of the material. It has a variety of different structures and arrangements that can be classified as follows:
Operation method: Intermittent Continuous Bed shape: Straight slot Spiral groove Airflow operation mode: Parallel to the bed surface Up and down through the bed Bottom up through the bed Heating method: Conduction convection Radiation, etc. Since fluidization is assisted by mechanical vibration during the drying process, it not only facilitates boundary layer turbulence, enhances heat and mass transfer, but also ensures that the drying equipment operates under fairly stable hydrodynamic conditions.
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