Oil -water separating unit

The utility model discloses an oil -water separating unit, its characterized in that: including prefiltering jar and oil -water separation tank, the prefiltering jar passes through flange joint with oil -water separation tank, the upper portion of prefiltering jar is equipped with the prefiltering room, be equipped with mixing liquid inlet on the prefiltering room, the lower part of prefiltering jar is equipped with the profit mixing chamber, the indoor particulate filter that is equipped with of prefiltering, oil -water separation tank's front portion is equipped with the profit prechamber, oil -water separation tank's middle part is equipped with oil water separator, the profit prechamber is linked together with oil water separator, oil water separator's top is equipped with elementary oil collecting chamber, oil water separator's bottom is equipped with elementary collecting chamber, oil water separator one side is equipped with secondary filter, elementary collecting chamber be equipped with the second gr