Fluidized Bed Dryer Ppt

The process air coming from the perforated bottom of the trough creates a homogeneous fluidized carpet.

Fluidized bed dryer ppt.

In heinen köhl standard process air will be conditioned in energy units following the closed loop principle. It works on the principle of fluidization. It facilitates the drying of thermolabile substances since the contact time for drying is short. Numerical studies of a fluidized bed for ife target layering numerical studies of a fluidized bed for ife target layering presented by kurt j.

Fluidized bed dryer requires less time to complete drying. They can be designed in either batch or continuous type fluid bed dryer. Hot spots are not observed in the dryer because of its excellent mixing and drying capacities. Principle of the fluidized bed dryer a vibratory conveyor is leading the tobacco in an even layer through two drying zones.

The direct contact between particles and air gas is possible in fluid bed system. Powerpoint ppt presentation free to view. I e 20 to 40 min. Freeze dryer product is frozen and water is removed by sublimation at low.

Here any type of inert gas or air is used. The thermal efficiency is 2 to 6 times greater than tray dryer. Spray dryer spraying atomization of product increases surface area of contact with hot air for drying. Powerpoint ppt presentation.

Fluidized bed dryer 1 introduction fluid bed drying is most widely used technique for drying pharmaceutical powders and granulation.