Vacuum heating oil filter

Dehydration of lubricating oil. How is it possible to reach 200 degrees? That’s ridiculous; oil at 200 degrees would have already been damaged.

First of all, I don’t know why you need to heat the oil to 200°C – doesn’t the oil deteriorate at that temperature? I have used 2 vacuum oil filters, and they worked quite well. These devices use two sets of heat exchange units to raise the oil temperature to a certain level, thereby enabling the oil-water mixture to be effectively separated from the oil. If you are only filtering out impurities, it is recommended to purchase a plate-type oil filter directly.

We are not ordinary lubricants; we are PAO polymer oils with very high viscosity. So it needs to be heated to a higher temperature.

It is mainly to remove impurities and moisture from the lubricating oil; the temperature is only in the low tens of degrees, so it’s not very high. The key factor here is that the boiling point varies under vacuum conditions

But in our experiment, we heated the oil to 180 degrees and then filtered out the kaolin from it. What equipment is used in industry?

A vacuum heating oil filter removes moisture and impurities. Its principle involves heating the oil to a certain temperature, and then using the principle of vacuum negative pressure to lower the boiling point of the water in the oil; as a result, the water vaporizes at around 60 degrees Celsius and is thus removed from the oil； When oil is heated, its viscosity decreases, and impurities are removed as it passes through the precision filter element

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