Novel bury underground multistage biological catalytic oxidation and be equipped with

The utility model discloses a novel bury underground multistage biological catalytic oxidation and be equipped with, including once twining the fashioned glass steel tank body, the front end of the jar body is equipped with the inlet tube, the rear end of the jar body is equipped with the outlet pipe, the jar is internal to be separated for first oxygen deficiency pond from preceding backward in proper order, the anaerobism pond, second oxygen deficiency pond, good oxygen pond, the sedimentation tank, the top in every pond do not is equipped with the manhole, the anaerobism pond is equipped with the return sludge import, second oxygen deficiency pond is equipped with the mixed liquid recycle import, good oxygen pond is equipped with the mixed liquid recycle export, first oxygen deficiency pond, the anaerobism pond, second oxygen deficiency pond, be equipped with movable packing assembly and detachable aeration parts in the good oxygen pond respectively. Adopt many forms of multistage reasonable layout, be fav