Cutting fluid treatment system

The utility model belongs to the technical field of machining fluid treatment equipment, and particularly relates to a cutting fluid treatment system. The device comprises a filter device, a recovery device and a sterilization device, the filter device comprises a first treatment area, a second treatment area and a third treatment area which are sequentially arranged and used for primary filtration, fine filtration and standing respectively, an inlet of the recovery device is connected with the first treatment area, and an outlet of the recovery device is connected with the second treatment area; the recovery device is used for recovering solid waste residues separated in the first treatment area, and the sterilization device is connected between the second treatment area and the third treatment area. The filtering device is used for solving the problem that filtrate in liquid treatment equipment is easy to deteriorate. The refined filtered filtrate is sterilized through the sterilization device connected wit