Crystallizing tank capable of discharging in batches

The crystallizing tank comprises a tank body, the bottom of an inner cavity of the tank body is communicated with a discharging pipe, the left side of the bottom of the inner cavity of the tank body is movably connected with a transmission rod through a bearing, the top of the transmission rod is fixedly connected with a rotating cover, the bottom of the transmission rod is fixedly connected with a driven gear, and the rotating cover is fixedly connected with the driven gear. The left side of the bottom of the tank body is fixedly connected with a first motor. According to the crystallization tank capable of discharging in different times, the tank body, the discharging pipe, the transmission rod, the rotating cover, the driven gear, the first motor, the driving gear, the second motor and the spiral discharging rod are arranged to jointly form the crystallization tank capable of discharging in different times, and the transmission rod can be driven to rotate through the arrangement of the driven gear, the fir