Multistage sewage treatment device

The utility model discloses a multistage sewage treatment device, including staving, bung, the center department of bung is equipped with the inlet, the staving includes that endocentric outer bucketand interior bucket, interior bucket set up at outer bucket inboardly, and interior bucket receives drive arrangement to drive the rotation, the middle part is equipped with the sedimentation tank inthe interior bucket, removable the unloading of terminal surface is connected under the top of sedimentation tank and the bung, inlet department is equipped with funnel formula feed liquor pipe, be equipped with the cowling panel of trompil in the sedimentation tank, be equipped with a plurality of spout holes on the lateral wall of sedimentation tank, in a plurality of spout holes the spout holeof below be higher than the mounted position of cowling panel, the barrel head of interior bucket is equipped with is no less than two through -hole, outer bucket lateral wall below is equipped with the delivery port. The devic