Rice bran oil is an oil extracted from rice bran. Rice bran is a by-product obtained during the processing of rice. One ton of rice bran can produce about 100kg to 140kg of refined rice bran oil. Refined rice bran oil is a high-quality rice bran oil that is re-refined from ordinary rice bran oil. It has higher nutritional value and better quality. Rice bran oil is widely used in the food, pharmaceutical, and cosmetic industries.

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Clean out the sand, broken rice, straw ropes, plant straw, and other debris contained in the rice bran to avoid damaging or clogging the extraction equipment and affecting the oil yield. At the same time, the rice bran must be preheated in advance to adjust the moisture and temperature of the rice bran to achieve a suitable state for oil production.

Feed the pretreated rice bran into the puffing machine. The powdered rice bran undergoes high pressure, friction, expansion, etc. to change the shape of the rice bran and polymerize it into a porous and air-permeable columnar shape. structure. After expanding, the cell tissue of rice bran is destroyed and the internal pores are larger, which is conducive to solvent extraction. Adopting expansion technology in the rice bran oil production line can increase extraction efficiency, reduce residual oil rate in the meal, increase the capacity of the oil extractor, reduce power consumption, and improve the quality of the extracted rice bran oil.

The rice bran oil extraction line adopts expansion extraction technology to produce rice bran oil. The rice bran oil plant includes a rice bran pretreatment and expansion workshop, a rice bran oil solvent extraction workshop, and a refining workshop. The rice bran oil production line uses the rice bran expander to make the rice bran into porous expanded particles, which improves solvent permeability and extraction efficiency.

Main Process Of Rice Bran Oil Pressing Process​:​

Generally, unrefined oil is called crude oil, which often contain a range of impurities, such as suspended impurities, moisture, phospholipids, free fatty acids, pigments, waxes, etc. The removal of these impurities can make the acid value, peroxide value, moisture content, color and odor of the oil meet the qualified standard, which is beneficial to improve the safety and storage stability of the oil. Refining process can be divided into degumming, deacidification, decolorization, deodorization and dewaxing steps according to the requirements.

Craft Flow Of Rice Bran Oil Refinery

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