1. Scraper conveyor: it is used to receive soybeans and transport them to cleaning or tempering and other equipment. Scraper conveyor is drawn by scraper chain, mainly composed of three parts: head, middle and tail.

Soya crude oil is the oil with more impurities obtained through pressing or solvent extraction, which contains more impurities and harmful substances and is not for direct eating. Soybean oil refining can effectively remove the impurities and harmful substances in crude oil to improve the quality and safety of the oil. Depending on the impurities in the soybean oil, the refining of soybean oil is divided into the following steps:

Pressed oil: Soya bean oil obtained by pressing method has no additives and is basically free of chemical residues. Therefore, the crude oil is of high quality and retains the nutrients in soybeans as well as the original natural flavour of the plant. However, the oil yield is lower, and the price of edible oil produced by pressing is higher than that produced by solvent extraction.

Pressed corn oil is also called corn germ oil because only the corn germ in the corn kernel contains oil that can be used for oil extraction. Therefore, if you want to produce pressed corn oil, you first need to make sure that the raw material for pressing is corn germ. Corn kernels cannot be pressed to produce oil, the corn germ needs to be extracted before pressing.

Physical oil pressing method of oil extraction process, that is, through the external force generated by the screw oil press machine will be oil seeds pressed and extracted from the edible oil, it is the more popular pressing method in the market, compared with other oil production methods with simple process, supporting equipment less, good oil quality, can press a variety of oil seeds and other advantages.