Pig manure and urine double-item automatic separation and recovery device

The utility model relates to a pig manure and urine double-item automatic separating and recycling device. The device consists of a plurality of layers of separation devices, each layer of separationdevice comprises an excrement scraping groove, a catheter and a collecting hopper; the bottom of the excrement scraping groove is of a V-shaped structure, the center of the V-shaped structure is the lowest point, a separation through groove is formed in the lowest position of the V-shaped structure, and the separation through groove and the excrement scraping groove are the same in central axis direction. The catheter is located below the separation through groove, and the top of the catheter is communicated with the separation through groove; the collecting hopper is of a funnel-shaped structure, the collecting hopper is located at one end of the excrement scraping groove, and the shape of one side of the collecting hopper is connected with the excrement scraping groove in a matched mode;the end, away from the co