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Rice bran oil equipmen

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Rice bran oil equipment:The rice bran contains 15-22% of oil and fat. The oil in the rice bran can be extracted by processing the rice bran and solvent extrac

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  Rice bran oil equipment:

The rice bran contains 15-22% of oil and fat. The oil in the rice bran can be extracted by processing the rice bran and solvent extraction. The equipment is rice bran oil equipment

 Rice bran oil equipment:

The rice bran contains 15-22% of oil and fat. The oil in the rice bran can be extracted by processing the rice bran and solvent extraction. The equipment is rice bran oil equipment

Rice bran oil equipment can be divided into multiple sections, rice bran pretreatment section, rice bran oil leaching section, rice bran oil refining section

Pretreatment of rice bran in rice bran oil equipment: The rice bran can contain a small amount of impurities and is removed by screening; the rice bran and glutinous rice are separated, and then the tempering system is introduced. A small amount of steam is introduced into the raw material to make the pellet softened and tempered to facilitate subsequent puffing. Or granulation. After the pretreatment, the rice bran directly enters into the granulator or the extruder, the expanded or granulated rice bran is cooled, and then the rice bran oil leaching machine extracts the rice bran oil.

The oil extraction process of rice bran oil equipment: the pancake is poured into the rice bran oil leacher, and the solvent is added with n-hexane, so that the grease in the pan is dissolved in the solvent to form a mixed oil, and the mixed oil passes through the filter medium (screen). The solid smut is trapped and a clean oil is obtained, which is sent to the evaporation process.

Rice bran oil equipment extraction machine mixed oil evaporation: the use of oil almost no volatilization, and the low boiling point of the solvent, easy to volatilize, the use of split tube steam heating to vaporize most of the solvent evaporated, so that the concentration of grease in the mixed oil greatly increased.

The mixed oil phase enters the first long tube evaporator tube stage from the mixing tank and the evaporated solvent passes through the separation chamber into a steam condenser; the concentrated mixed oil enters the second long tube evaporator for evaporation, and the vaporized solvent vapor is separated. The chamber enters the two steam condensers. The solvent vapor from the first and second evaporators contains no water, and is directly cooled to the circulating solvent tank after being cooled by the cold exchanger.

This process mainly uses a long tube evaporator, which is characterized by a long heating pipe. After the preheated mixed oil enters the heating pipe from the lower part, it rapidly boils, generating a large amount of steam bubbles and rapidly rising. The mixed oil is also driven by the rising vapor bubbles and pulled as a layer of liquid film rises along the tube wall, and the solvent continues to evaporate during this process. Since the heat transfer is performed in the thin film state, the evaporation efficiency is high.

A relatively advanced negative pressure evaporation leaching process and a negative pressure evaporation leaching process can also be used. The secondary steam guided in the steaming off line guides the first evaporator to complete the separation of the mixed oil under negative pressure. Negative pressure leaching evaporation process saves steam consumption and reduces protein denaturation in sputum.

Rice bran oil equipment is leached out of the stripping section of the machine: by evaporation, the concentration of the blended oil is greatly increased, but it still contains a small amount of solvent oil and is removed by stripping. The mixed oil is immiscible with water, and direct steam with a certain pressure is introduced into the high boiling point mixed oil (the direct steam flux is about 2% of the mass of the material), and indirect steam is introduced into the jacket of the equipment. Heating, so that the direct steam introduced into the mixed oil does not condense, the sum of the direct steam and the solvent vapor pressure is balanced with the external pressure, the solvent boils, thereby lowering the boiling point of the high-boiling solvent, and the uncondensed direct steam entrains the distilled solvent together Into the condenser for condensation recovery. After stripping, the obtained crude oil is refined into a physical refining plant.

Desiccant dehydration section of rice bran oil equipment: the rice bran oil leaching machine contains a certain amount of solvent in the wet raft separated by filtration. Steam is introduced into the boiled rice to remove the solvent, and the principle is the same as that of the blended oil stripping. After steaming off the indirect steam heating, the rice bran is dried. The squeegee scraper was sent to the warehouse for package sale.

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