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Vacuum drier
Vacuum drier
Chemac Equipments supplies vacuum tray driers. The products to be dried are placed in trays of parallel heating plates. It uses steam, water or thermal oil to heat the products between 80oC and 110oC. Once uniformity of temperature has been attained, the evacuation commences and the drying starts. The time of drying varies between a few hours to a couple of days, depending upon the nature of the product and also the loading on the heating plates. The vapours generated within the drier during the heating are sucked out by the vacuum system, the condensable vapors being passed over a surface condenser. After drying, the products can be cooled back to room temperature by circulating cold water instead of steam, or thermal oil through the heat exchanger plates. Products like vegetable and seasoning powders, yeast extracts and instant soups, fruit juice concentrates, pharmaceutical intermediate products, medicaments, antibiotics, medicinal herbs, agro-chemicals, explosive substances etc. can be dried.
