This oil extraction machine could extract oil from different oil materials, such as peanuts, rapeseeds, beans cotton seeds, sesame, olive,sunflower,cotton seeds, tee seeds,coconut,cocoa and grass seeds corn pummels etc. It has multiple functions, including screw oil press ,electrical element for heating chamber ,vacuum filter for clearing oil .It is matched with cabinet box for controlling all of the working machines. Before pressing some parts of the press such as the press chamber, press screw and press ring will be pre-heated.During pressing,the press can filte the oil in due time

Work principle of  Oil Press Machine

When oil press is operating, prepared material enters the chamber from the hopper and then

moves forwards by the rotating pressing screw and is pressed. Under the high-pressure condition

in the chamber, friction between material and screw, between material and chamber will be created, which also creates friction and relative movement among material particles. On the other hand, root diameter of the pressing screw varies larger from one end to the other. Hence, when rotating, it not only pushes particles moving forwards but turns them outwards as well. Meanwhile, particles adjacent the screw will rotate along with screw's rotating, causing every particle inside the chamber to posses different speed. Therefore, relative movement among particles creates heat which is necessary during manufacturing because of helping protein change property, damage colloid, increase plasticity.

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