CRYSTALLIZATION METHOD, CRYSTALLIZATION DEVICE AND CRYSTALLIZATION SYSTEM

To provide a crystallization method, a crystallization device and a crystallization system that can set a reaction start point on a surface of a liquid film formed at an inner periphery of a stirring blade having highest shearing force without requiring high manufacturing accuracy.SOLUTION: A crystallization device 4 comprises: a reaction tank 1 of a bottomed cylinder shape which has an inner peripheral surface 1i; a cylindrical stirring blade W which is arranged inside the reaction tank 1 rotatably and concentrically with the reaction tank 1, and also has a plurality of holes h penetrating radially; a first liquid feed part 5a which is provided to the reaction tank 1, and supplies a first reaction liquid L1 into the reaction tank 1 to form a liquid film of the first reaction liquid L1 on the inner peripheral surface 1i of the reaction tank 1 as the stirring blade W rotates; and a second liquid feed part N which supplies a second reaction liquid L2 toward the liquid film of the first reaction liquid L1 from a position located away from the inner peripheral surface 2i of the stirring blade W and the liquid film of the first reaction liquid L1 and different from the first liquid feed part 5a in the reaction tank 1 to cause the first reaction liquid L1 and second reaction liquid 2 to react with each other.SELECTED DRAWING: Figure 1 【課題】高い製作精度を要せず剪断力が最も高い撹拌翼の内周に形成される液膜の表面を反応開始ポイントとすることができる晶析方法、晶析装置、および晶析システムを提供する。【解決手段】内周面１ｉを有する有底円筒状の反応槽１と、反応槽１の内部に反応槽１と同心状かつ回転可能に配置されるとともに径方向に貫通する複数の孔ｈを備える円筒状の撹拌翼Ｗと、反応槽１に設けられるとともに反応槽１の内部に第１反応液Ｌ１を供給し、撹拌翼Ｗの回転に伴い反応槽１の内周面１ｉに第１反応液Ｌ１の液膜を形成する第１給液部５ａと、撹拌翼Ｗの内周面２ｉと第１反応液Ｌ１の液膜とから離れた反応槽１の内部の第１給液部５ａと異なる位置から第１反応液Ｌ１の液膜に向けて第２反応液Ｌ２を供給し第１反応液Ｌ１と第２反応液Ｌ２を反応させる第２給液部Ｎと、を備えることを特徴とする晶析装置４。【選択図】図１