National patent technology sunflower oil refinery plant

National patent technology of sunflower oil refinery plant makes innovation on traditional sunflower oil refining process, acquiring deep acknowledgement of impurity removal, degumming, dehydration, deacidfication, decolorization and deodorization etc.

Process flow chart of sunflower oil refinery plant :
crude sunflower oil →degumming and deacidification →decolorization →deodorization →refined sunflower oil

 

Introduction of sunflower oil refinery plant :
Impurity removal. Impurity of extracted sunflower oil must be removed in order to reduce losses and increase yield of sunflower oil in sunflower oil refinery process . Crude oil filter can remove impurities, control impurity of extracted sunflower oil under 0.2%, thus improve degumming efficiency.

Degumming process of sunflower oil refinery plant .
Intermittent process preheats crude sunflower oil to 80 ~ 85 ℃. The amount of water in crude oil bases on colloid content, and generally 3-5 times of the gum content, water temperature at 85 ~ 90 ℃ (5 ℃ higher than oil temperature). Finish water adding in 40-60min, along with 60-70r/min stirring, continue stirring 3-5min after adding water, and stand for precipitation 2-4h.

Vacuum drying process of sunflower oil refinery plant .
Heat degummed vegetable sunflower oil to 25 ~ 135 ℃, dehydrated into a vacuum dryer 20 ~ 30 min. Moisture of dehydrated oil is less than 0.1% (after degumming of crude oil via the oil contained in the 0.3% to 0.5 % of the water will affect the adsorption capacity of bleaching clay section).

Decolorization process of sunflower oil refinery plant
Degumming of sunflower oil can remove grease in oil pigment to improve oil color, adsorption of aflatoxin and trace metals, phospholipids, other gum and other impurities. It ensures high quality of sunflower oil and improves oil stability.

Deodorization process of sunflower oil refinery plant
Control oil temperature to 250 ~ 270 ℃ when decolorized sunflower oil enters into deodorizer, in direct steam injection, the free fatty acids, ketones, aldehydes and other impurities are removed from the oil, the thermal decolorized action also occurs, and the pigment composition is cleaved distilled from the oil. Deodorized vacuum (absolute pressure) controlled at 266 Pa, the deodorization time is about 2h.


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