For Soybean oil press workshop, there are two kinds of oil pressing: cold pressing and hot pressing. The cold pressing and hot pressing oil rate is higher, the efficiency is higher. The operation is convenient, so it becomes the most popular press method. Then the heat pressing is how to operate it. Soybean oil press equipment as an example.
The first is to screen for screening soybean oil complex, the impurity content is less than 0.1%, and then enter the broken, broken degree of 2 - 4 petals, then softening, reduce the water content of soybean in about 15%, softening time 40 to 50 minutes, and then use the rolling rolling embryo, embryo has two points: one is the destruction of the oil cells easily flow out from the cell, two is rolled granular oilseeds into thin slices, the surface area increases, increased the oil area, but also greatly reduce the oil left blank distance; into the cooker of steaming and frying, steaming and frying soybean moisture in the 1.5 - 2.8% range, the temperature to 100 a 110 degrees that can begin to enter the press for pressing. The thick of cake under the control of the L - 1.5 mm.
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