Good supplier factory of cotton oil refining plant 

What is the oil extraction ?

Extraction is a chemistry way to extract oil from seed. It makes use of Solvent Extraction Principles ,which  makes Number 6 solvent oil come into seed cake .Then oils and fats is dissolved from Mixed oil.

How to extact oil from the cake ?

 Material embryos→Extraction→Wet

meal→Evaporation→Cooling→Product meal

                                 packing
                                      ↓
Mixed oil→Filter→Negative pressure evaporation → 

    Crude oil
           ↓
  Solvent recovery

The process of oil extraction

1. The oil pre-pressed will be put in the leaching plant .Then we add NO.6 solvent oil .let oil commbined with solvent .The temperature of solvent should be 55-60degree . Then by heating ,through the frist steam pipe ,second steam pipe ,then stripping tower .the solvent will come out from the cake with oil .We heat them , the solvent will change to gas to go ,lefting the oil .

2. As the solvent with some oil and water ,in order to recycle solvent ,we must make it cooling .So we need the condenser .The condenser change solvent to liquid . we seprate the solvent ,oil ,water .And we can recycle solvent  .

Factors of affecting extracting oil

Performance of Pre-pressed cake      structure and moisture of oil cake  

Extraction              temperature       Less than about 5 degrees of initial boiling point      

Extraction time                               90-120 minutes 

Height of bed of material                try to elevate it

ratio of solvent and Mixed oil concentration                                    0.8-1:1 , 18-25%

Drain time and wet meal with the amount of solvent                         15-25min  25-30% 

Process of mixed oil  evaporation and stripping

mixed oil filter - mixed oil store - first Evaporator - second Evaporator - stripping tower - leaching oil

Picture

 Picture of leaching workshop  

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