Nitrate evaporating crystallizer

The utility model discloses a nitrate evaporation crystallizer which comprises a movable base and an evaporation crystallizer body, the evaporation crystallizer body is arranged in the movable base and extends to the outside of the movable base, an upper cover is arranged at the top end of the evaporation crystallizer body, and a lower cover is arranged at the top end of the evaporation crystallizer body. A clamping base is arranged on the outer wall of the evaporation crystallizer body, a clamping motor is installed on the outer wall of the clamping base, third air cylinders are symmetrically and movably installed in the clamping base, telescopic rods are installed at the output ends of the third air cylinders, and supporting shafts are movably installed in the positions, on one sides of the telescopic rods, of the clamping base. According to the utility model, convenient clamping and fixing are realized, the evaporation crystallizer can be conveniently and rotatably opened and closed, a solution can be conv