Operating Procedure for Fluid Bed Dryer.

CAUTION :
1. Check and certify that area and equipment are clean and suitable for starting the operation.
2. Ensure that main is in “OFF” position before dismantling FBD for loading.
A. ASSEMBLING :
1. Unclamp the fixing bolts of retarding chamber and allow it to rest on the trolley. Take out trolley along with the retarding chamber.
2. Check and certify the suitability of the clean finger bag.
3. Fix the loops of the finger to the hooks of the shaker.
4. Place the bag in between the retarding chamber and fluidization chamber.
5. Clamp the retarding chamber on the body with fixing bolts.
B. OPERATION
LOADING
1. Load the bowl with material to be dried.
2. Rake the product uniformly in the bowl to avoid lumps.
3. Move the product bowl below the retarding chamber keeping the window in viewing position.
4. Position the bowl.
5. Lift the bottom of the FBD by moving the jack handle to the opposite side and seal the trolley to the retarding chamber
6. Check and ensure that there is no leakage.
7. Set the timer and switch on heating and fluidization, maintaining the desired inlet air temperature.
8. Stop drying at intervals of specified in BMR and dedust the finger bag by shaking it.
9. Take out trolley and rake the granules to avoid formation of lumps.
10. Watch the fluidized flow through the Perspex windows.
11. Continue heating till required outlet air temperature is achieved. Air-dry if mentioned in BMR
12. Put off the heaters and bring the timer to zero.
UNLOADING
1. After drying is complete put off the main switch
2. Shake the finger bag vigorously and dust retarding chamber.
3. Unlock and withdraw the bowl.