Vacuum Tray Dryer
Application & Process :
The Vacuum Tray Dryers are used to het and dry material under the state of vacuum is called vacuum drying and where difficulties in drying materials due to high toxic contents, hygroscopic in nature, heat sensitive. It is widely used in the pharmaceutical, Herbal, chemical & foodstuff.
The Vacuum Dryer is basically a tray dryer working under vacuum conditions. Its use vacuum to pump air and humidity out from the closed heat chamber due to vacuum making the chamber on the vacuum state thus increased drying rate greatly and saved energy. The boiling point of the material to be brought down for drying and the entire system is in closed loops so, no contamination occurs. The evaporation's evolved during the drying process is cooled down through a connected condenser and collected in receiver. The vacuum dryer when combined with solvent extraction system, ensures that almost all of evaporating vapors is recovered and condensed in to a receiver. Vacuum dryer is closed chamber with heavy structure with air lock doors, Jacketed and insulated body. Inside chamber there are shelves for resting tray. Shelves are manufactured in hollow construction with baffles cum stiffeners, inlet and outlet nozzle. Hot media is passed through the Inlet Header to each , so heat transfer to the surface, which in turn heats up trays placed on the shelves. The hot media flows out from the shelves through the Outlet Header.
salient Features :
- Design is cGMP with product contact parts AISI 316.
- Vacuumize shelves drying on low temperature system for high toxic. Hygroscopic & heat sensitive materials.
- Vacuumize closed system can be with condenser, Receiver for solvent recovery.
- Very low value of final moisture even at low drying temperatures.
- Safety feature: Vacuum relief valve, Safety pressure relief valve, Temperature Controller & Overload protection.
- Option for heating media can be steam/ hot water / hot tharmic fluid.
- Option features: condenser & Receiver for solvent recovery & Evaporation cooling, PLC Controls, Explosion Proof Electrical
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- Condenser and Receiver in SS 316.
- Insulation on the vacuum chamber outer surface except door. The insulation is enclosed and covered with SS 304 2mm thick sheet.
- Skirting / Wall panel all along the body / vacuum chamber flange.
- Hot Water system (steam heated) with MS Tank (Insulated), SS 304 steam radiator/ electrical heaters, circulation pump with FLP Motors and Control.
- Vacuum Pump (2 Stage water ring) with FLP Motor.
Vacuum tray dryer
|No of tray||3||6||12||24||36||48||96|
|Capacity in kg.||3-5 kg||22-25 kg||50-55 kg||90-95 kg||140-145 kg||190-195 kg||380 -385 kg|
|Tray size: LWH in mm||400x400x32||600x600x32||800x400x32||800x400x32||800x400x32||800x400x32||800x400x32|
|Tray volume in ltrs||5||11||10||10||10||10||10|
|No of heating shelves||4||7||7||13||13||17||17|
|Shelves size in mm||450x450x22||625x625x22||900x825x28||900x900x28||1250x830x28||1250x830x28||1650x1250x28|
|Distance between shelves in mm||100||100||100||100||100||100||100|
|Trays on each shelves||1||1||2||2||3||3||6|
|Condenser||0.2 m2||0.5 m2||1 m2||2 m2||2.5 m2||4 m2||8 m2|
|Receiver||10 ltrs||25 ltrs||50 ltrs||50 ltrs||75 ltrs||100 ltrs||150 ltrs|
|H.W. Distribution pipe||1 1/2â||1 1/2â||1 1/2â||1 1/2â||1 1/2â||1 1/2â||2|
|Door gasket (silicon food grade)||12/ 16 mm T type||12/ 16 mm T type||12/ 16 mm T type||12/ 16 mm T type||12/ 16 mm T type||12/ 16 mm T type||12/ 16 mm T type|
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