Fluidized Bed Dryer Ppt

Here any type of inert gas or air is used.

Fluidized bed dryer ppt.

It facilitates the drying of thermolabile substances since the contact time for drying is short. Principle of the fluidized bed dryer a vibratory conveyor is leading the tobacco in an even layer through two drying zones. It works on the principle of fluidization. They can be designed in either batch or continuous type fluid bed dryer.

Fluidized bed dryer requires less time to complete drying. Powerpoint ppt presentation. Numerical studies of a fluidized bed for ife target layering numerical studies of a fluidized bed for ife target layering presented by kurt j. Spray dryer spraying atomization of product increases surface area of contact with hot air for drying.

Hot spots are not observed in the dryer because of its excellent mixing and drying capacities. I e 20 to 40 min. Microsoft powerpoint dehydration ppt compatibility mode author. The fluid bed dryer is used for drying granular crystalline coarse or similar material in pharmaceutical fine chemicals dyes food and allied products.

The fluid bed dryer is not suitable for drying liquids or pasty materials. Fluidized bed dryer 1 introduction fluid bed drying is most widely used technique for drying pharmaceutical powders and granulation. The process air coming from the perforated bottom of the trough creates a homogeneous fluidized carpet. Freeze dryer product is frozen and water is removed by sublimation at low.

The thermal efficiency is 2 to 6 times greater than tray dryer.