What are the methods and equipment for sunflower oil solvent extraction?
Sunflower oil solvent extraction uses an organic solvent extraction method to extract fats from the oil. Sunflower seeds are mixed with an organic solvent n-hexane, the solvent is compatible with oil and extracted, and then the solvent is removed by evaporation at high temperature to obtain sunflower oil. The sunflower oil solvent extraction method is characterized by high productivity and high efficiency. This is usually a widely used processing process in oil factories with a daily capacity of tens or hundreds of tons. The oil yield using sunflower oil solvent extraction method is high, and the residual oil content in the solvent extraction meal is low and of good quality, but due to solvent residues, the crude oil must be refined on sunflower oil refining equipment before it can be eaten. Equipment necessary for processing sunflower oil by extraction: pretreatment equipment and sunflower oil solvent extraction equipment.
First, with the help of cleaning equipment (vibrating screen, destoner, magnetic separator), impurities such as metal, sand and gravel mixed with sunflower seed raw materials are removed. Then use the purified sunflower seed raw materials to use a peeling and kernel removal machine-shell separation screen to separate them, the kernels and shells are separated. And then the sunflower seed particles are pressed into germ sheets in the embryo press to increase the contact area between the sunflower oil and the oil press, allowing for better and faster oil extraction. Finally, the sunflower seed germ slices are heated and steamed in a steaming wok to adjust the temperature and humidity to increase the oil yield rate.
Sunflower oil processing line photo
Pre-pressing machine: Sunflower oil is pre-pressed to obtain a portion of raw oil from sunflower seeds. In addition, meal with a high content of residual oil can be processed using sunflower oil solvent extraction equipment.
The sunflower oil solvent extraction equipment
Extraction system: Organic solvent is sprayed in the leaching device to dissolve together with the lubricant and turn into a mixed oil. Henan Glory can offer three types of sunflower oil solvent extraction equipment: horizontal rotary, ring and traction chain.
Wet flour desolventizing and drying system: The wet flour coming out of the extraction machine usually contains 25-35% solvent. The solvent in the flour is evaporated by steam heating in the steamer; the solvent can be reused after condensation, and the dried flour is easy to store for subsequent processing and use.
Mixed oil evaporation and distillation system: The mixed oil from the extractor and evaporator alternately passes through the evaporator and purifier alternately. The different boiling points of the solvent and grease are used to evaporate the solvent and separate the grease, thereby obtaining the extracted crude oil.
Solvent recovery system: The gaseous solvent evaporating from the equipment is condensed in the condenser and finally collected in the solvent tank to achieve the solvent recovery effect.
Sunflower oil solvent extraction equipment photo
After processing on sunflower oil solvent extraction equipment by leaching, the residual amount of oil in the cake can be reduced, and the oil yield from sunflower seeds can be significantly increased. However, the use of the sunflower oil solvent extraction method for processing sunflower oil is usually suitable for sunflower oil producers with a raw material processing capacity of more than 20 tons per day. If the processing capacity is relatively small, it is recommended to use the sunflower oil pressing method for processing sunflower oil. This set of equipment is cost-effective and practical.
Regardless of whether sunflower oil is processed by pressing or solvent extraction, the resulting sunflower oil is actually crude oil that contains a high wax content, which affects the taste of edible oil. A set of sunflower oil refining equipment is also required for a series of degumming, deacidification, decolorization, deodorization and dewaxing processes. in order to meet the standards of sale and consumption in the market. Henan Glory Company has a variety of sunflower oil processing equipment design plans that can be tailored according to the actual needs of customers so that customers can choose from them.
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