100-500 ton vegetable seed oil expeller machine for cotton seed
Main Economic and Technical Parameters of Rotocel Extractor
Capacity |
30-500 T/D |
Residual oil in meal |
≤ 1% |
Solvent consumption |
≤ 2Kg/T (No.6 solvent oil) |
Crude oil moisture and volatile matter |
≤ 0.30% |
Power consumption |
≤ 15KWh/T |
Steam consumption |
≤ 280KG/T (0.8MPa) |
Finished meal moisture |
≤ 13% (adjustable) |
Residual solvent in finished meal |
≤300PPM (qualified detonated experiment) |
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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