Pig farm excrement wastewater recovery vortex form sedimentation tank

The utility model discloses a pig farm excrement wastewater recovery vortex form sedimentation tank mainly constitutes by being spiral helicine bounding wall and inner tube, is equipped with in the bounding wall to be spiral helicine runner, and the entry that is equipped with the runner is put to the outermost side position of bounding wall, and the most inboard position of bounding wall is equipped with the export of runner, and the central end department of bounding wall is located to the inner tube, the entrance of runner is provided with inlet baffle, the utility model discloses because the runner is the heliciform, this moment is under certain area, the flow of sewage is longer, thereby the in -process that sewage is flowing has longer precipitation time, thereby it is outstanding todeposit the effect, when needs clearance precipitate, to push away the slag plate is connected with last balladeur train and lower balladeur train, it makes it slide in the runner to push away the slag plate this moment, thi