| 摘要 |
[Object] To provide a crystallization device with a simple structure and high classification performance in crystallization. [Solution] At a center part of an upper part in a vertical container 2 having a classification leg 3 on a bottom portion 2b, rotor blade means 5 for generating a swirling flow of a raw material liquid of a suspension slurry in the container 2 along an inner circumferential surface of the container 2 is provided, and at a center part on a bottom surface of the container, liquid-flow direction changing means 6 for causing the raw material liquid to flow upward at the center part of the container 2 is provided, and the liquid-flow direction changing means 6 is formed of baffles 6a, each being made of a band-shaped plate, provided radially on the bottom surface. |
