Cassava powder slurry sand removing machine

The utility model relates to the technical field of grain impurity removal, in particular to a cassava slurry sand removal machine which is characterized in that a feed liquid inlet, a feed liquid outlet and a sand discharge port are formed in a containing bin, cassava slurry flows from the feed liquid inlet to the feed liquid outlet from high to low, a scraper blade is further arranged in the containing bin, and the scraper blade is arranged in the containing bin. The scraping plate is in contact with the bottom of the containing bin, the moving direction of the scraping plate is opposite to the flowing direction of the tapioca flour slurry, and the scraping plate conveys sand, settled at the inner bottom of the containing bin, of the tapioca flour slurry to the sand discharging opening. According to the technical scheme, sand is scraped at the bottom of the containing bin through the scraping plate, the accumulated sand is disturbed in a countercurrent mode to take up cassava flour particles, the water spra