How Does The Fluidized Bed Dryer Work?

In the pharmaceutical, food, and chemical industries, many materials after wet granulation, filtration, or granulation need to solve a problem: how to steadily reduce the moisture content while not affecting the quality of the materials themselves.

For granular materials, the fluidized bed dryer is a relatively mature choice. It does not simply rely on "increasing temperature" to accelerate drying; instead, it allows the materials to fully disperse under the action of hot air, forming a good contact between the particles and the hot air, thereby improving the drying efficiency.

How does the fluidized bed dryer work?

After wet particles enter the drying chamber, filtered and heated air enters from the bottom of the equipment. As the air volume gradually increases, the particles are lifted by the airflow and enter a fluidized state.

At this time, the particles that were originally piled up are constantly turning over, and the hot air can come into contact with more of the material surface. The moisture in the particles is heated and evaporates, and the wet hot air is discharged from the equipment.

In simple terms, it is to make the materials "move", allowing the hot air to more fully contact the particles.

The pharmaceutical industry is one of the typical application fields for fluidized bed dryers. For example:

Powdered tablets after wet granulation
Capsule filling particles
Chinese herbal particles
Vitamin particles
Medicinal excipients
Some raw drug particles

Take amoxicillin particles as an example. After wet granulation, the moisture content of the particles needs to be further reduced. By reasonably controlling the inlet air temperature, air volume, material temperature and drying time, the particles can achieve a relatively uniform drying effect.

To learn more about our Fangyuan products, please click this link ：https://www.fine-mill.com/fluidized-bed-dryer/fluid-bed-dryer-for-amoxicillin-granules.html.

Our WhatsApp:+86 15896498575

E-mail：info@cnfyjx.com