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Rice Bran Oil Machinery

Rice Bran Oil Machinery

There are three sections in rice bran oil machinery process. They are rice bran oil prepressing section, rice bran oil solvent extraction section, and rice bran oil refining section.

1. Rice Bran Oil Pretreatment Section

Rice bran should be drying and frying for fresh rice bran, storage time is less than 3 days before pressing or the quality will be reduced and effect the final oil quality. Generally speaking, the rice bran oil pretreatment plant is composed of cleaning process, breaking section, drying units, rice bran and tips separation section, rice bran softening and condition section, rice bran expansion section, and pressing unit, conveyor and electrical cabinet box, etc. It’s complete set of rice bran oil pretreatment equipment, which is automatically operated to save more labor and cost.

2. Rice Bran Oil Solvent Extraction Section

This process is for more than 50t oil mills. Certainly if the capacity is less than 50 tons, or it is high rate of output oil, this process could be saved. The second way to extract oil for using chemical solvent to dissolve oil content contained in cake or direct oil seeds, only for lower oil seeds, for example soybean. Then oil is separated from solvent by vaporizing solvent out.

In configuring the rice bran oil solvent extraction plant, pre-pressing may be involved in which case seeds are lightly pressed, and which leaves about 14% to 18% oil in the pressed cake. Usually, solvent extraction will further process these cakes and leave less than 1% oil in the final cake. This method results in higher yields and more oil, lower power consumption, lower wear & tear/maintenance and high extract efficiency. Thus it could be used as complementary equipment to extract the oil remained in cake, which yields are extra profits.

3. Rice Bran Oil Refining Section

The crude rice bran oil from above mentioned two ways of extracting, oil pressing and solvent extraction, will be pumped into oil refinery units to produce rice bran oil at various grades.
The main equipment of rice bran oil refinery is various kinds of vessels and tanks carrying on different tasks. These tasks may include filtering, neutralization, degumming, decolorization, deodorization, dewax, etc. So different combination of steps and the treating degree of each step result in different grade rice bran oil.

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