Rice bran oil processing plant
Rice bran oil pretreatment machine working process flow chart:
Rice bran oil pretreatment machines working process
This is the machines used to pretreat the rice bran, and then the pretreated rice bran is sent to rice bran oil solvent extraction plant. If you want to understand more clearly, you can watch the rice bran oil machine running video.
Rice bran oil solvent extraction plant working process flow chart
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Why dose rice bran oil need expansion?
Rice bran oil expansion pretreatment will change the shape and structure of rice bran through pressing and promotion of non-isometric and nonstandard screw system of extruder. The gas among rice bran gap is squeezed out and quickly filled with materials, which causes rice bran sheared back and increased pressure inside the chamber.
Rice bran hybrid is fully mixed, squeezed, heated, glued and pasted with increasing friction between screw and chamber, which changes rice bran structure and destroys rice bran fat layer structure.
At the same time, mechanical energy converts into heat, and machine chamber quickly rises to 125 degrees, which causes effective passivation of various enzyme activities of rice bran, and destruction of fat layer structure. The starch and protein turn into viscous state while rice bran is extruded to the exit, and high pressure changes into atmospheric pressure instantaneously.
Moisture is evaporated from rice bran organizational structure quickly, forming into numerous pore structure inner rice bran. The rice bran oil expansion pretreatment is completed after cooling.