Industrial lubricating oil precision refining device

The utility model relates to the technical field of lubricating oil refining, in particular to an industrial lubricating oil precision refining device which comprises a box body, a heating mechanism is inserted in the box body, the heating mechanism comprises a rotating shaft, the rotating shaft is inserted in the box body through a bearing seat, and a first stirring rod is fixed on the surface of the rotating shaft. A second stirring rod is fixed to the bottom end of the first stirring rod, a servo motor is fixed to the top end of a rotating shaft, a heating device is installed at the bottom end in the box body, an oil outlet pipe is installed on the right side of the box body, and a valve is installed in the oil outlet pipe. The oil refining device is provided with the feeding port and the cover, and is matched with the first fixing plate and the second fixing plate, so that oil can be filtered firstly, impurities in the oil are filtered out, then the oil falls into the box body for subsequent heating refin