The principle, characteristics and application of boiling dryer

The working principle of the boiling dryer :

The air is filtered by a high-pressure centrifugal fan, filtered by a high-efficiency air filter, heated to a set temperature by an air heat exchanger, and then a plurality of high-speed airflow beams are formed through the gas distribution plate to flush out the material, and the gas beam is formed into a negative Press the material to make it boil. In this state, the hot air is in extensive contact with the material, which enhances the heat transfer process and thus promotes evaporation and separation of moisture in the material in a short period of time. The wet air is discharged through the trap bag by the fan, and the material trapped in the boiler by the trap bag is a dry product.

Features of the boiling dryer :

1. The fluidized bed has a circular structure to avoid dead ends.

2. The hopper is set to stir to avoid the formation of channeling when the wet materials are agglomerated and dried.

3. The boiling dryer adopts tipping and unloading, which is convenient and rapid, and can also design automatic feeding and discharging system according to requirements.

4, the equipment has a wider fluidization range, can deal with some particles that are too wet, sticky or widely distributed in the particle size range, the drying effect is remarkable.

5, the drying speed is fast, the temperature is uniform, the drying time of each batch is generally 20-30 minutes.

6. Closed negative pressure operation, the gas is filtered and the sealing is good. The whole equipment is easy to operate, easy to disassemble and easy to clean. It is an ideal equipment that meets the requirements of “GMP”.

Application of boiling dryer :

1. Mechanism screw extrusion particles, rocking particles, wet high-speed mixing granulation particles.

2. Drying of wet granules and powdery materials in the fields of medicine, food, feed, and chemical industry.

3, large particles, small block, sticky block granular material.

4, konjac, polyacrylamide and other materials when the volume changes during drying.