(1) The material (form pretreatment) is sent to extraction machine by the scraper conveyor. The material will extracted by the solvent or mix oil. After this step, we will get meal and mix oil.


(2) Meal is sent to toaster. Through the toaster, the solvent in the meal will separate from the meal. The solvent goes to condenser and is recycled to extraction machine.


(3) After the mix oil from the oil extraction machine enters into 1st evaporator and 2nd evaporator, most of the solvent in the mix oil is separated.


(4) The mix oil from 2nd evaporator goes to stripping tower and almost all the solvent is separated. From the stripping tower, we can get crude oil and solvent. The solvent is sent to condenser and is recycled to oil extraction machine.

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