ZLG Vibrating Fluid Bed Dryer

The shaking fluid bed dryer includes the heating device, main machine, air filtration system for products, and air system.

The main air heating system of the shaking fluid bed dryer supplies the drying chamber with the designed amount of air. The air rate is calculated with Hywell machinery’s process calculation program.

The program of shaking fluid bed dryer is based on the actual ambient conditions at the physical place where the dryer will be installed.

The main air system of the shaking fluid bed dryers consists of air filters, pre-heating systems, an air heater, a supply fan, and from time to time a dehumidification system. The main air system of the shaking fluid bed dryer is constructed according to the actual requirements of the product and the ambient conditions.

Fines and air filtration system of fluid bed dryer process, The fines coming out of the drying chamber and the external fluid bed together with the exhaust air will be separated from the exhaust air before letting it into the atmosphere.

Cyclones and bag filters of the shaking fluid bed dryers are the most common ways of filtrating the fines from the air. Cyclones seldom stand alone. This is because the emission will often violate the environmental requirements in terms of the permitted mg of powder per m3/air. Therefore, a bag filter is necessary(option).

A bag filter of the shaking fluid bed dryer can be a standalone solution as this technology is able to remove the required powder fines before outlet to the atmosphere. The fines are collected in a fines return system, thereby the powder loss is reduced to a minimum. The fines can be re-entered to the top of the drying chamber, to achieve agglomeration of the powder or they can be sent to the internal or external fluid bed. Again, the required powder specifications will decide the design of the fines system.

Powder sifter (option): The final step of the shaking fluid bed dryer is the powder sifter. The powder sifter will separate the large powder particles from the powder, size is determined for the separation. The off size is bagged off and the powder can be either directly packed into big bags or conveyed to a silo system for other packing systems.

if the materials is heat sensitive, it can use our vacuum tray dryer to dry it.