Negative pressure evaporation process

Negative pressure evaporation process, leaching solvent and oil mixture (commonly known as mixed oil), separation of impurities into the mixing tank after tank, clarify the slag, and then mix the oil shipped from pump evaporation system, after the first and second evaporator and stripping column after steam to take off the solvent, then through vacuum drying, cooling, shipped from oil transfer pump after flow metering refining process refining.