Livestock farm waste liquid treatment device

The utility model relates to the technical field of waste liquid treatment, and discloses a farm waste liquid treatment device which comprises a treatment tank, a partition plate is fixedly mounted on the inner wall of the treatment tank, and a smashing mechanism is arranged above the partition plate; the smashing mechanism comprises a motor, a rotating shaft is fixedly installed at the output end of the motor, the rotating shaft penetrates through the top end of the treatment tank and is rotationally connected with the treatment tank through a bearing, a transverse plate is fixedly installed on the outer wall of the rotating shaft, a second bottom stirring plate is fixedly installed at the bottom end of the transverse plate, and a first bottom stirring plate is fixedly installed at the bottom end of the inner wall of the treatment tank. By arranging the smashing mechanism, pig manure in waste water can be smashed, it is avoided that large pig manure exists in the waste water, subsequent filtration treatment