Pig house manure-water separation device

The utility model provides a hog house manure-water separating device which comprises a first separating box, a first feeding hopper installed at the top of the first separating box, a first water draining pipe installed at the bottom of one side of the first separating box, a first separating plate installed in the middle of an inner cavity of the first separating box in an inclined mode, and a discharging pipe installed on the first separating box. A second separation box is arranged below the discharging pipe, the lower portion of an inner cavity of the second separation box is divided into a water storage area and an excrement storage area through a partition plate, an excrement discharging pipe is connected to the second separation box at the bottom of the excrement storage area, and a second water discharging pipe is connected to the second separation box on one side of the bottom of the water storage area; a second separation plate is fixed between the inner cavity wall of the second separation box at