... food, drinks and chemical industries,etc.Such as transformer oil, edible oil, turbine oil, lubricating oil, fuel, grease, saponification, all kinds of powder, ... tea, and concentrated phosphatide from soybeans; purifying ejiao; separating oil and handling sewage,various kinds of medicine,etc.The high ... outer ring and the liquid phase of small density is shaped into inner ring, to flow to the top of ...