Application and main features of vibrating fluidized bed dryer

When granular materials are dried in an ordinary fluidized bed dryer, the particles of the materials should be uniform and have certain specifications, otherwise channel flow and stagnant zones will be formed. When the particle size distribution is wide, the entrainment is serious, and the humidity is easy to agglomerate , And due to the back-mixing of particles, a large distribution range of particle residence time and uneven particle moisture content, which limits the scope of use of ordinary fluidized bed dryers. In order to overcome its shortcomings, foreign countries have done a lot of research on improving the performance of fluidized bed dryers. Especially in today's energy shortage, intensifying the mass transfer and heat transfer process, saving energy and improving quality, so that the fluidized bed dryer has a wide range of adaptability and economic rationality, and the vibrating fluidized bed dryer is of great significance. The vibrating fluidized bed dryer has advanced design, reliable quality, wide application range, and has the advantages of significant energy saving and can dry materials that are difficult to dry on other dryers. Therefore, the vibrating fluidized bed dryer is generally welcomed by various industries.  

Principle and structure of vibrating fluidized bed dryer   
The vibrating fluidized bed dryer is a vibrating motor that generates an exciting force to make the machine vibrate. The material jumps forward under the action of the excitation force in the given direction. At the same time, the hot air input from the bottom of the vibrating fluidized bed drying machine makes the material in fluidization. State, the material particles are in full contact with the hot air to achieve the desired drying effect. The material enters from the material port of the vibrating fluidized bed dryer. The material on the vibrating tank of the vibrating fluidized bed dryer is in orthogonal contact with the hot air from the lower part of the vibrating tank to transfer heat. The wet air is drawn out by the induced air, and the dry material is discharged from the discharge port. discharge.  

Uses and main features of vibrating fluidized bed dryer   
The vibrating fluidized bed dryer is widely used in the drying, cooling and humidification of powdery and granular materials in the chemical, light industry, medicine, food, plastic, grain and oil, slag, salt, smoke sugar and other industries, and also Used for dry cooling, cooling and humidifying operations. Its characteristics are as follows:   
1. The vibrating fluidized bed dryer is driven by a vibrating motor, with stable operation, low noise, long life and convenient maintenance.  
2. The vibration of the vibrating fluidized bed dryer makes the material easy to reach the fluidized state, which increases the effective heat transfer coefficient, so the thermal efficiency is high. The temperature distribution of the bed is uniform without local overheating. Uniform fluidization, no dead ends and blow-through phenomenon. Vibration plays a role in conveying and also helps to save energy. Compared with general drying devices, it can save energy by 30-60%.  
3. The thickness of the material layer and the moving speed and amplitude of the machine can be adjusted steplessly, with good adjustability and wide speed range.  
4. The surface damage of the material is small, and it can be used for drying fragile materials. It can also be used when the material particles are irregular, without affecting the effect.  
5. The vibrating fluidized bed dryer adopts a fully enclosed structure, which effectively prevents cross-contamination of materials with the outside world, cleans the environment, and improves working conditions.  
6. Vibration promotes fluidization, reduces air demand and reduces particle entrainment rate