About FBD principle
About FBD principle
Blog Article
When processing toxic or flammable substances, regular hot air fluidized mattress dryers are usually not a great Resolution due to the fact There exists a possibility of fireplace or explosion if flammability constraints are exceeded.
However, the stable particles are blown-up and keep on being suspended inside the air channel, If air is allowed to movement through a mattress of reliable content while in the upward direction that has a velocity increased compared to the settling fee in the patches.
Hybrid Fluidized Mattress Dryers: These dryers Incorporate attributes of fluidized mattress and other sorts of dryers, such as tray dryers or rotary dryers.
They may be Specially used for drying granular materials while in the pharmaceutical market the place preserving product quality and avoiding overheating is important.
The FBD (Fluidized Bed Drying) system is actually a greatly utilised method from the pharmaceutical industry for drying and granulation. It consists of using a fluidized mattress, in which particles are suspended and agitated by a stream of air or gasoline.
The dried product or service is then discharged in the dryer. The fluidized mattress dryer is intended such that the air velocity minimizes in direction of the highest with the drying chamber.
Versatility in Managing A variety of Materials: Fluidized bed dryers can be utilized for a wide variety of elements, from meals and pharmaceuticals to substances and plastics.
Andritz: A worldwide technological innovation group featuring methods for numerous industries, which include fluidized bed drying systems.
Just after completion of activity alter the standing of space and affix dully filled website and signed standing label about the FBD.
The lower side of product trolley is equipped using a perforated bottom. In certain FBD relocating or rotating rods are attached which rotate immediately after some time intervals and forestall the Establish-up of area mass development.
Enhanced Warmth Transfer: The fluidized state of your bed permits enhanced heat transfer involving the drying medium (normally air) and the fabric currently being dried. This efficient heat transfer contributes to diminished drying situations and lessen Power use, making FBD a far more cost-productive solution.
Airflow level/gas velocity: Escalating gasoline velocity boosts drying level but really should be managed at an optimized price (not to rapidly or far too gradual). read more Gas velocity has no impact on particles with high inner resistance to dampness transfer.
Cyclones or filters: take out any remaining particles from your exhaust air just before it is unveiled towards the environment.
In a very fluid mattress dryer, the inlet air stream is blown past good powder molecules at rest. The particles are taken up within the dry & hot air stream and dehydrated by evaporation.