DOINGMACHINE PZG-5000 Vacuum Disc Dryer is specially designed for drying various kinds of sludge under high vacuum condition to considerably reduce the water boiling point. The dryer consists of a jacketed cylindrical drying chamber and a single shaft welded with hollow discs. Both drying chamber jacket and hollow discs are filled with heating medium, such as hot water, hot thermal oil or steam, to form heating surface. The small paddles/blades welded on the discs with different angles can completely mix and regularly move the wet materials with the shaft rotation for uniform heat transfer. The evaporated moisture is sucked out by the vacuum pump after going through the air-liquid separator and tubular condenser.
This PZG-5000 vacuum disc dryer was ordered by a Malaysia customer, which use 75-85℃ hot water from heat pump as heating medium. The water source heat pump can absorb heat from the ambient air and recycle the heat from the evaporated vapor. This design is the most energy-saving thermal drying method so far.
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