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Sunflower oil
Sunflower seeds
The oil extracted from sunflower seeds is sunflower oil. The oil golden color, clear and bright, and has a pleasant fragrance. It is the main edible oil for Europeans and Russians.
Sunflower seed oil
Sunflower seed oil is light and transparent, and can retain the natural food flavor during cooking. Its smoke point is also high, which can avoid the harm of oil fume to the human body. The refined sunflower oil is light yellow or bluish yellow, with a fragrant smell and pure taste. Therefore, sunflower oil is an excellent edible oil with high nutritional value and beneficial to human health.
Technology process
The production process of sunflower oil is generally divided into pressing method and leaching method (refining method).

1, Sunflower oil pressing process
The squeezing method is also called "physical squeezing method", which uses external force to squeeze out the oil in the oil seed. It is not suitable for other chemical solvents, etc., to avoid the residue of organic solvents in the oil.
The pressing production process retains the effective ingredients in sunflower seeds to the greatest extent-polyunsaturated fatty acids, protein, dietary fiber, vitamins, trace elements and other nutrients that are beneficial to the human body. It is more suitable for special supplements for the human body health care.

Sunflower oil pressing process:
Screening → cleaning impurities → shelling → crushing → steaming and frying → pressing crude oil → coarse filtration → fine filtration → low temperature crystallization and maturing → low temperature filtration → sunflower oil

2, Sunflower oil extraction and refining process:
The oil produced by the sunflower oil extraction process is also called leaching oil, which is to extract the oil with organic solvents (such as gasoline, ethanol, etc.). The leaching method is to use solvent oil (No. 6 light gasoline) to soak the oil and fat raw materials and then perform high temperature Extraction, an oil-making process in which fat is extracted. The "oil" originally leached out is a mixture of organic solvents and fats. It cannot be eaten. It must undergo a series of refining processes (degumming, dehydration, dewaxing, decolorization, deacidification, deodorization and other chemical treatments) before it can be eaten. The oil is generally light in color, and the original natural gas in the material seeds is light or has no obvious smell. The leaching extraction process can extract almost all the oil in the oil seeds, with very high economic benefits, and is the most popular processing method in the modern oil industry.

Sunflower oil extraction process:
Screening → cleaning impurities → shelling → crushing → steaming and frying → pre-pressing → pre-pressing crude oil → filtration → leaching → low-temperature crystallization and maturing → low-temperature filtration → sunflower oil
Crude oil refining process:
squeezing or extraction of crude sunflower oil → alkali refining, degumming → centrifugal drying → continuous decolorization → dewaxing → continuous deodorization → filtration → finished sunflower oil

Oil press process: Almost all the nutrients in sunflower oil are retained, the taste is refreshing and not greasy, and the content of polyunsaturated fatty acids is rich.
Extraction process: Very high oil yield, low cost and higher economic efficiency. The most popular processing method in modern oil industry.
The refining and dewaxing section is equipped with a PLC automatic control system, which improves the equipment configuration and production process requirements. The finished products produced are of higher quality and save manpower, which saves customers investment costs.
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Zhengzhou Dingsheng Machinery Manufacturing Co., Ltd. has been established for more than 20 years. We are committed to research and development in the field of oil treatment, produces various types of oilseeds pretreatment, oil extraction and oil refining complete sets of equipment, and strives to improve the quality of the equipment and after-sales service. Professional technical team can offer the oil refining process solution for you. Welcome to visit our factory!