... series includes rotary extractor, toaster, 1st evaporator, 2nd evaporator, stripping tower, condenser, etc.2. oil extraction machine Main parts(1) Solvent ... we will get meal and mix oil.(2) Meal is sent to toaster. Through the toaster, the solvent in the meal will ... rotary extraction.4 . oil extraction machine Advantages(1) High oil yield , obvious economic benefit .(2) Residual oil rate in the dry ...