Sunflower oil refining machine 30T crude oil refinery

Oil refinery, Sunflower oil refining machine 30T crude oil refinery. Sunflower oil is extracted from sunflower seeds, because of its nutrient-rich, people in many countries of the world love to eat, and some call it healthy oil, life extension oil.

Characteristics of Sunflower oil quality:

Light yellow in color, transparent, clarification.

Aromatic taste, no smell.

Low melting point, easily digested.

Sunflower oil Features:

It is the largest content of linoleic acid that plays a big role on human health in vegetable oil, therefore, edible sunflower oil, for patients with hypertension, obesity and cerebral embolism, myocardial infarction, kidney patients have a better effect.

Sunflower oil for food, except for cooking oil, but can be used for cold dishes, buffet of flavored oil, so make dishes fresh and delicious.

Main parts of Sunflower oil refining:

(1) Degumming: Applied physics, chemical or physicochemical methods gum insoluble impurities in crude oil removal process become unglued. Edible oils and fats, if phospholipid content is high, when heated foaming, smoke, smell, and phospholipids at high temperatures due to oxidation leaving the oil was burnt brown, affect the flavor of fried foods. Degumming is based on phospholipid and oil-soluble portion of the protein in the waste water state, but not with water to form a hydrate after oil-soluble principle, crude oil is added to hot water or steam introduced into the heating oil and stirred at a temperature of 50 ℃ mixed, then rested stratification, separating the aqueous phase, it can remove phospholipids and some protein.

(2)Deacidification: Free fatty acids affect the stability and flavor of oils, can be added to the alkali and the method of removing the free fatty acids, called removing the acid, also known as alkali refining.

(3)Bleaching: Crude oil contains chlorophyll, carotenoids and other pigments, chlorophyll is a photosensitive agent, affecting the stability of oil, grease and other pigments affect the appearance of the available sorbent removed.

(4)Deodorization: In the presence of some non-required oil should smell substances, mainly from oil oxidation products. By vacuum distillation and add the citric acid chelated transition metal ions, inhibiting the oxidation.

(5)Dewaxing/Winterization:The wax in oil is ester formed by senior monocarboxylic and senior monohydric alcohol. The wax in vegetable oil is mainly in the hull, and secondly is present in the cell wall. Wax at above 40 ℃ can be dissolved in oil fat, so whether the crude oil is from press or leaching equipment, generally contain a certain amount of wax. The wax content in all kinds of crude oil is very different, the wax content of most of crude oil is minimal, but wax content for some of crude oil is high. Such as corn germ oil wax content is 0.01% to 0.04%, sunflower oil wax content is 0.06% to 0.2 %%, rice bran wax content is 1 to 5 %%. Generally the amount of wax-containing in oil is increased by the increasing of husk content of materials embryos.

Process for dewaxing

Oil for dewaxing-heat-heat exchange-cooling-crystalyzation-maturing-filter-heat exchange-finished oil

Factors Affecting dewaxing

1, dewaxing temperature and cooling rate

2, the crystallization time

3, stirring velocity

4, filter aid

5, transport and separation method

6, oil quality

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