Plugboard type crystallizing tank

The utility model provides an inserting plate type crystallizing tank which comprises a tank body, a stirrer is arranged in the tank body, the stirrer comprises a stirring shaft and four layers of stirring paddles, and the first layer of stirring paddles and the second layer of stirring paddles are alternately staggered from top to bottom in sequence; the first-layer stirring paddle is of a fan-shaped structure, and the second-layer stirring paddle is of a paddle type; the third-layer stirring paddle is in a paddle type, and the stirring vortex of the third-layer stirring paddle is in a pressing-down type; the third-layer stirring paddle and the second-layer stirring paddle are staggered, and the stirring vortex is in a floating type; the fourth layer of stirring paddle is an anchor type stirring blade; the bottom of the stirring shaft is mounted at the bottom of the tank; the top of the stirring shaft is connected with a variable-frequency energy-saving motor A jacket cooling system is arranged outside the t