Plant Freeze Drier-300



Freeze drying is based on sublimation of a frozen solid sample, where the ice / moisture changes directly to vapour form, without going through a liquid phase. It is the only best method of drying to get < 1% residual moisture content in the produce. The produce is assured to have its original properties like taste / aroma and the analytical properties as applicable with minimum shelf life of > 12 months.


  • Foods – Soups, Upma, Poha, Dhokla etc.
  • Fruits – Mango, Watermelon, Apple, Pineapple, Chikoo, Kiwi, Strawberry, Sugar Cane etc.
  • Vegetables – Spinach, Sweet Corn etc.
  • Beverages – Coffee, Tea, Aloe Vera, Cold Drinks etc.
  • Milk Products – Milk, Curds, Custard, Flavored Milk, Baby Foods, Whey etc.
  • Others – Yolk of Egg, White of Egg, Mixed Yolk +White of Egg, Misc Agro Products etc.

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  • Indirect water Heater system (Induction).
  • Hot water circulation pump.
  • Hot water circulation piping from hot water tank to hot water pump to heating plates below trays in the main drying chamber
  • Main drying chamber.
  • Input Trays – 40 nos.
  • Trolley For Trays To Be Stored in cold storage.
  • Vacuum pump – 0.1 m bar
  • Water cooling for cooling jacket of vacuum pump
  • Roots Blower
  • Connecting piping from main drying chamber to condensation chamber through isolation valve and from condensation chamber to vacuum pump to roots blower – exhaust.
  • Isolation valve
  • Digital Pirani Vacuum Gauge
  • Refrigeration compressor
  • Condenser System
  • Control Panel An operating / instrument panel with touch screen having running mimic diagram & screens with RS 485 port & two way communication between PLC & Touchscreen, with safety interlocks.
  • Connected Load : 35.14 kW
  • Consumed Load : 24.59 kW
  • Space required : 3.00 MW x 8.00 ML x 3.00 MH