Crude oil refining machine flow chart
Crude oil refining machine is to get rid of the harmful impurities and needless substance in the crude oil,aims at improving the oil storage stability,flavor and color.Then get standard quality edible oil or provides qualified material for deep processing.The crude oil refining machine we manufacture can process various oil seeds,such as,crude soybean oil,crude peanut oil,crude sunflower oil and so on.
Main process of crude oil refining machine:
Crude oil--Degumming--Deacidification--Decolorization--Deodorization--(Winterization/Fractionation)--Standard edible oil
There are mainly two crude oil refining methods:chemical and physical method.We can devide the crude oil refining machine into three types according to different capacities:batch type refinery,semi-continuous refinery,full continuous refinery.
1.Degumming: this is the most important section of crude oil refining machine, adding the water (there is a little P-acid in water) to remove the gum.
2.Deacidification:using alkali like (NaOH) to neutralize FFA in oil, during this process of crude oil refining machine, it will produce soapstock , then separating it from the oil.
3.Decolorization:because there is pigment in crude oil, the oil color is dark. In order to lighten oil color, we need to use the white clay to absorb the pigment away, then using vibrating filter to separate the waste clay.If you want to get light color oil, you need to add more white clay,the oil color can be controlled by clay amount.
4.Deodorization:using the direct steam to take odors away. At the meanwhile, there is about 0.5% water content in refined oil, because the high temperature in the deodorization pot, dehydration is also finished. After that,the final oil will be refined once again through safety filter.
Crude oil refining machine
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