1. V-shaped fecal scraping plate + urinary catheter. A urinary catheter is installed at the bottom of V-shaped fecal ditch to separate feces and urine in the early stage, so as to reduce the amount of solid fecal sewage treatment in the later stage;

2. A track is set in the middle of the track type fecal scraping board fecal ditch, which can avoid the deviation of fecal scraping board. It is up to 130m long and has a load of 1800kg-2000kg;