Pump waste oil water treatment device

The utility model relates to the technical field of pump waste oil water treatment equipment, in particular to a pump waste oil water treatment device which comprises a tray water tank, the tray water tank is supported by a support and located below a lubricating plunger, the bottom face of the tray water tank is connected with an oil-water separation tank and a drainage barrel in an embedded mode, and the top faces of the oil-water separation tank and the drainage barrel are communicated with the tray water tank. The upper end face of the drainage barrel protrudes out of the inner wall of the bottom face of the tray water tank. The height difference between the top face of the oil-water separation tank and the inner wall of the bottom face of the tray water tank is not smaller than 0 mm, and an oil outlet pipe is installed on the oil-water separation tank and controlled through a valve. According to the oil-water separator, mixed oil and water can be collected through the tray water tank, meanwhile, the mixe