Cooking oil refinery machine
Cooking oil refinery machine :Cooking oil refinery machine is final step of cooking oil making machine.Before oil refinery machine,there are cooking oil pretreatment , cooking oil press machine and cooking oil solvent extraction machine.In cooking oil making machine ,cooking oil refinery machine is important step .There are 4 main parts for cooking oil refining .Following is the introduction :
A.Degumming section in cooking oil refinery machine: This is the most important section of hydrate de-gumming, adding the water (there is a little P-acid in water) to remove the gum.
B.Deacidification section in cooking oil refinery machine:Using alkali like (NaOH) to neutralize FFA in oil, during this process it will produce soapstock , then separating it from the oil.
C.Decolorization section in cooking oil refinery machine: Because there is pigment in crude oil, the oil color is dark. In order to improve oil color, we need to using the active 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 active clay. the oil color can be control led by clay amount.
D.Deodorization and Dehydration section in cooking oil refinery machine:General speaking , the crude oil smells not good, it will affect of oil storge and selling prices. So we usually use the direct steam to take odors. 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 bag type filter.
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