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Oil Press

  Oil Press

   There are two process methods for extracting edible oil from plants, which are chemical extraction method and physical extraction method, which is what we usually call extraction method (chemical) and pressing method (physical):

   Pressing method: The pressing method has a long history, and its process is relatively simple: After the oil is steamed and fried, the oil is squeezed out of the oil by a mechanical method. The ancient squeeze method requires heavy manual labor by the operator. In the extruded oil residue (oil cake), the residual oil content is quite high, thus wasting extremely valuable oil resources. The modern squeezing method is already an industrialized automated operation, but the problem of high residual oil content in the oil residue still cannot be solved.  From the pretreatment of the raw materials to be pressed, there are cold pressing and hot pressing methods, which are also called cooked pressing methods. Cold pressing means that the raw materials are directly put into the oil press to squeeze out the oil without being roasted or steamed. This method is relatively lighter in color and brighter in color, but the oil yield is low, and the oil tastes not strong and mellow. . The cooked squeezer must dry the oil crops before squeezing. The purpose is to reduce the moisture content of the raw materials, increase the activity and fluidity of the oil molecules, thereby increasing the oil yield and ensuring the fragrance of the oil. But it also destroys the chemical composition of the oil, resulting in a darker and darker oil color. The basic process of the oil squeezing process is as follows:    1. Conventional production process: raw oilseeds-steaming-squeezing-machine squeezing crude oil 2. Special oil production process: oilseeds-fried seeds-pressing-filtering- Fragrance oil 3 special oil production process: oilseed-whole seed cold pressing-filtering-cold pressing oil .Huatai company supply different kinds of oilseeds press machine, any need please email to info01@cnoilmachine.com

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