Oilseeds extrusion use extrusion equipment puffing oilseeds process after crushing, flaking or oilseeds conversion into porous.Rice bran after extrusion, puffing material density increase, tissue was completely destroyed, internal with more porosity, the surface has more free oil, grain size and mechanical strength increase, when oil extraction by solvent, to dramatically improve the permeability of oilseeds layer,increase leaching rate, reduce leaching time, so oil extractor yield increased by 30% to 50%.Puffing material particles in oil extraction solvent for the improvement of material layer permeability, make the wet meal after leaching containing dissolved only is 60% green wet pulp , it can make wet meal desolventizing equipment production increase and wet meal desolventizing energy consumption greatly reduced.When wet meal desolventizing cluster phenomenon significantly reduced, this is that the cluster of vegetable protein in the process of expansion has been the reason for the degeneration.
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