Oil mixture consists meal powder, solvent and oil. This step is to seperate these 3 indreginents by filtration, evaporation, and stripping.Our evaporation system adopt negative pressure evaporation, the technology has reached the international leading level.
The major equipments for this section include filter, cyclone hydraulic separators, evaporator, stripping tower, etc.
Evaporation System Process Introduction:
Mixed oil through secondary suspension separated into the first evaporator, secondary steam of DTDC desolventizing machine as the first evaporator heat source and the evaporate solvent vapour from the gas-liquid separation chamber top of the first evaporator into the evaporative condenser, evaporative condenser vacuum by low vacuum jet pump to maintain.
The concentrated mixed oil discharge from the first evaporator bottom of the separate chamber, after mixing oil heat exchanger in the second evaporator, the second evaporator with indirect steam heating. Steamed out of solvent vapour and first evaporator with the solvent vapour into the evaporative condenser, the second and the first evaporator in the same vacuum evaporator.
Further concentrated mixed oil flowed from the second evaporator bottom of the separation chamber, then pumped into the upper stripping tower, the department of the stripper bubbled into steam directly, take off the residue solvent, mixed gas enters the stripping condenser, stripping condenser vacuum by high vacuum jet pump to maintain. the stripper bottom is equipped with liquid level control device, to ensure the stable flow of liquid seal and refined oil, crude oil pumped out by stripping pump by vacuum drying, crude oil into temporary storage tank after cooling.
We can help you design or choose the most suitable oil solvent extraction equipment according to your capacity.
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