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What machines are needed to start a soybean oil extraction plant?

Industry News:May 16, 2025

Soybean oil is bright in color and rich in nutritional value. In recent years, it has been favored by more and more consumers. The market demand has been increasing year by year, so a large number of soybean oil extraction plants have emerged. Many investors are confused when watching this project. What machines are needed to start a soybean oil extraction plant? In fact, large-scale soybean oil extraction plants include pretreatment machine, pressing or solvent extraction machine, and refining machine. Below, Henan Glory Company will introduce the specific information and functions of these machines in detail.

Pretreatment machine

Soybeans need to go through processes such as drying, cleaning, softening, flaking, cooking before pressing oil, so that the soybeans are in the most suitable state for the oil to flow out. This process is called pretreatment. Sufficient pretreatment of raw materials can improve oil quality and oil yield, therefore, pretreatment machine is the first equipment that needs to be considered when opening a soybean oil extraction plant. Pretreatment machines include an air thermal dryer for drying soybeans, a vibrating screen, a magnetic separator and a destoner for removing dirt, leaves, nails and other impurities. And a softening pot is used to prevent soybeans from damaging the machine. Finally, a cooker is used to adjust the temperature and moisture of the soybeans. After cooking, the temperature of the soybeans is generally around 100 degrees and the moisture content is less than 5%.

Soybean oil pretreatment machines.jpgSoybean oil pretreatment machines

Pressing or solvent extraction machine

Soybean oil extraction technology includes pretreatment pressing method and pre-pressing solvent extraction method. The machine used in the soybean oil extraction plant at this stage varies according to the customer's extraction technology.

Pretreatment and pressing method: The pretreatment and pressing method requires pretreatment machine and pressing machine. The pretreated soybean raw materials can be directly entered into the oil press for pressing, and then a plate filter is used to filter the pressed crude oil.

Pre-pressing and solvent extraction method: The pre-pressed soybean oil cake after pre-treatment also contains a certain amount of oil. The oil in the oil cake is extracted into the solvent through the principle of chemical solvent extraction. The main machines used in this section includes extractors, steam strippers, evaporators, oil-water separators, condensers, stripping towers, etc.

Soybean oil pre-pressing and solvent extraction machines.jpgSoybean oil pre-pressing and solvent extraction machines

Refining machine

Regardless of pressing or solvent extraction, the final product is crude oil. To obtain edible oil that meets national standards, refining machine is essential for setting up a soybean oil extraction plant. The refining machine used in this process includes refining pots, decolorization pots, deodorization pots, filters, vacuum pumps, thermal oil furnaces, fatty acid traps, shielding pumps, fatty acid circulation tanks, steam boiler systems, etc. Henan Glory Company provides intermittent, semi-continuous and fully continuous soybean oil refining machine, and can match the appropriate soybean oil refining machine according to the processing capacity of the customer's soybean oil extraction plant.

Soybean oil refining machine.jpgSoybean oil refining machine

The above are the machines needed to open a soybean oil extraction plant, but the machines are not static. Henan Glory Company can increase or decrease the machine according to the processing capacity and detailed requirements of different customers' soybean oil extraction plants, while ensuring the oil output. efficiency while ensuring greater benefits with less investment cost. If you want to know which machine corresponds to different processing capacities, please feel free to consult Henan Glory Company.

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