1.Intermittent hydration oil degumming, alkali refining process
The advantages of hydration oil degumming: Less investment in equipment, as while the process is flexible, and less demanding on the quality of crude oil. It is suitable for small manufacture and the factory that often or change oil varieties. Put the oil into the refining pan, add phosphoric acid at low temperature, stirring and circulation, make the phosphate mixed with oil,then make the nonhydratable phospholipids dissolve out totally. Then add the right amount of hot soften water, water quantity and exercise strict control over the time and the quantity of adding water.
2.Continuous hydration degumming, alkali refining, drying process
The advantages of continuous hydration degumming, alkali refining, drying process: In this technology, it can be produced continuously, the technology is stable, easy operation, low lab our intensity, high output, low oil in soap stock, all these advantage can exchange the power, and save the energy. It is good for the big and middle-sized oil manufacture which need high output. Alkali refining is the most reasonable technology which adopt low-temperature, weak alkali, long mixing process. Low temperature and weak alkali can minimize neutral oil saponification,and reduce the loss of the neutral oil,at the meantime, increase the rate of refining. Long mixing process can make the alkali and free fatty acid reacting fully, reduce the super alkaline, avoid accident neutral oil, low oil content of the soapstock. After using the alkali to extend the time of reaction, alkali can make the pigment of adsorption oil soapstock sufficiently, and also can strengthen the auxiliary decoloring effect, reduce the decoloring process clay content.
3.Oil Bleaching Technology
The virtues of our oil bleaching technology are: Oil and clay is mixed in a vacuum to remove the affects of air and to consume less clay. through this enhance the utilization efficiency of clay, reduce the additive amount of the clay. Based on the different demands of the quality and color, you can adjust the appending proportion, the clay’s dosage is dispensed automatically according to the color requirement. A continuous s process ensures the clay’s even contact with the oil. The filter is controlled automatically to simplify operation and to ensure st table production. Bleached oil is flushed through closed stainless steel filtration discs for less residue in the meal. The bleaching tower adopts mechanical agitation. The use of special forms of mechanical seal, make sure that it is seal airtight.
4.Oil deacidification and deodorization technology
Combined deacidification,deodorization tower is the most common used and advanced deacidification and deodorization equipment. The use of the equipment greatly improve the efficiency of the deacidification, adaptability, especially suitable for the physical refining of high acid value oil, low equipment investment, the dosage of direct steam is 30% less than layer board tower . Combination upper tower is stainless steel corrugated packing, when the downstream of oil distributor occurs the up steam directly, it is quickly to remove the free fatty acid, and reduce the formation of trans acids, ensure food safety of refined oil effectively. The lower plate is column structure, which take the main thermal decoloring and removing stink role, and in this way, to ensure product quality and flavor.
