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Fermented Soybean Meal Drying Production Line

Capacity:  1000~8000(kg/h)

Power:  32~165(kw)

Application: suitable to drying Brewery,vinass,Corn husk...


Soybean meal is a byproduct from the process of soybean oil extraction, which is mainly composed of protein (40% ~ 44%), fat (1% ~ 2%), carbohydrate (10% ~ 15%), and a variety of minerals, vitamins and essential amino acids. Its nutrition is relatively comprehensive and balanced. In addition, soybean meal also contains soy isoflavones, phospholipids and other bioactive substances, which is the most widely used plant-based protein resources. However there are many kinds of antinutritional factors in soybean meal (trypsin inhibitors, soybean protein antigen, urease, phytic acid, etc.). On one hand, their existence has inhibition effect on certain digestive enzyme when they are combined with some nutrient component and forms the production that is difficult to digest and absorb. On the other hand, some of them can cause the organ damage of animals and leave bad influence on health and growth. Fermented soybean meal, also known as the microorganism fermented soybean meal the produced under controlled condition, making use of microbial growth, reproduction and metabolism and the accumulation of useful enzyme and intermediate metabolites of bacteria. Through the microbial fermentation, the fermented soybean meal contains little antinutritional factors and is rich in small molecule soybean peptide, amino acids, enzymes, vitamin and bioactive factors, which has good palatability. It can be applied to the piglets feeding, poultry feeding, and aquaculture. It is ideal alternatives to fish meal with huge market potential and economic value.
Fermented soybean meal production process: Fermented soybean meal often adopts the method of solid fermentation, adding the certain amount of water, the mixture of soybean meal and wheat bran (100:6) and the combination of aspergillus oryzae and yeast(1:3). The fermentation time is 72 hours. With our paddle rotary drying equipment, the fermented soybean meal is dried to 12% moisture content instantly at low temperature and then crushed to 30-80 mesh. After being cooled to normal temperature, the whole process ends with the packing of eventual products.


Material flow: material with 50-65% moisture by the screw conveyor into the mixing drum dryer to realize the downstream drying, material constantly be lifted ,scattered and put forward with screw type, the material and heat fully exchange heat, the moisture rapidly be evaporated and vaporized, the material which is achieve the effect of drying will quickly be discharged from the roller under the hot air.


1. Smart control & One-step operation. The operation parameters is under automatic control to ensure the best running condition and moisture stability of dry materials. The eventual product is dried uniformly under 50 degrees Celsius with high microbial activity and bright color. The nutrient is not destroyed in the whole process.
2. the internal agitator can realized the process of mixing, dispersing and crushing, which ensures the full mas transfer and heat transfer between hot air and wet materials. The unit capacity is raised to more than 50% and the energy consumption is reduced by more than 30%.
3.Save 30% space and civil investment and 20% equipment investment compared to traditional dryers.
4.Innovative flights design. Efficient flights combination would bring better process control , thermal distribution, and heat efficiency. The temperature of exhaust gas is lower than 50℃.
5.Convenient variable frequency-control systems. Customers could change the material flow rate and product moisture based on their needs.
6.Environmental and safe. Modular configuration of dust collection and purification systems.
7.More choice for innovative air furnace with high efficiency, convenient manipulation and energy control, which could reduce 30% energy cost and 20% electric cost.

Model DLSG1409 DLSG1615 DLSG2008/3 DLSG2010/3 DLSG2210/3 DLSG2510/3 DLSG2512/3 DLSG2912/3
Input (t/h) 0.85 1.6 2.89 3.68 4.02 4.95 5.84 6.75
Output (t/h)) 0.4 0.75 1.36 1.73 1.89 2.33 2.75 3.18
Evaporation Capacity (t/h) 0.45 0.85 1.53 1.95 2.13 2.62 3.09 3.57
Initial Moisture (%) 60±5
Final Moisture (%) 15% (Adjustable)
Drying Temperature (℃) 350±30
Total Power (kw) 34 45 78 90 105 125 140 155
Total Weight (kg) 22000 28000 40000 45000 50000 60000 68000 76000
Plant Area (m²) 5m*15m 6m*22m 8m*16m 8m*18m 8m*20m 10m*20m 10m*24m 10m*24m

Zhengzhou Dingli New Energy Technology Co.,Ltd      Add:No.12 Hongye Road HI-TECH Development Zone, Zhengzhou,China