Self-cleaning crystallizing tank

The utility model discloses a self-cleaning crystallizing tank which comprises a tank body, the top of the tank body is in threaded connection with a connecting cylinder, a top cover is rotatably connected in the connecting cylinder, a feeding pipe is arranged on the upper surface of the top cover, a water conveying pipe is rotatably connected to the upper surface of the top cover, and the bottom end of the water conveying pipe penetrates through the top cover and is fixedly connected with a connecting shell. A rotating shaft is fixedly connected to the outer wall of the bottom of the connecting shell, a plurality of fixing rods and two stirring blades are fixedly connected to the outer side of the rotating shaft, scraping strips are fixedly connected to one ends of the two fixing rods on the same side, and two water spraying pipes are rotatably connected to the outer side of the connecting shell; according to the crystallizing tank, the inner wall of the tank body can be cleaned through the cooperation of th