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Soy Pulp Okara Vacuum Disc Dryer

Views: 35     Author: Stone Chen     Publish Time: 2021-09-03      Origin: Site

Okara or soybean pulp is a byproduct during the production of soy milk and tofu. Most okara worldwide is used as animal feed or natural fertilizer or compost. However, it also can be used for human consumption if well dried, such as adds texture to baked goods and as nutritional protein enhancer. This is increasingly seen as a valued opportunity for food manufacturers to make valued use of a waste by product. 


Vacuum Disc Dryer is a good drying method for solid food byproducts due to quick and efficient drying with very low energy consumption. 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 condensor. 



Vacuum Disc Paddle Dryer has been increasingly used for drying sewage sludge, industrial sludge, oil sludge, organical waste, fishmeal, feather meal etc, due to the following overwhelming advantages: 


1. Low temperature drying: The vacuum degree can reach as high as 500 pa, under which the water boiling point is only 45 ℃. The evaporation rate can still reach 6-8 kg water/hr/M2 when use 65 ℃ hot water for drying. 


2. Super low energy consumption: The average heat consumption to evaporate 1 kg water is about 600 kcal due to high vacuum drying condition, large heating surface and little heat loss. 


3. Almost zero-emission: The drying process conducts in a completely sealed system and the evaporated moisture is trapped by air-liquid separator and tubular condenser to prevent emission. 


4. Batch or continuous operation: Our vacuum disc paddle dryer can work both in batch or continuous operation to satisfy different working conditions. 


8000L-3

Continuous PZG-8000 dryer

PZG-8000-8_副本

Batch PZG-8000 dryer

1

Organic waste drying plant

8000L-1_副本

Soy pulp/okara drying plant




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