A track is set in the middle of the track type fecal scraping plate fecal ditch, which can avoid the deviation of the fecal scraping plate; Maximum length: 130m, load: 1800kg-2000kg.

 V-shaped fecal scraping plate + urinary catheter. The bottom of the V-shaped fecal ditch is equipped with a urinary catheter to separate feces and urine in the early stage, so as to reduce the amount of solid fecal sewage treatment in the later stage.