Ultraviolet treatment device for ballast water treatment

The utility model relates to the technical field of ultraviolet sterilization of microorganisms and bacteria in ballast water, in particular to an ultraviolet treatment device for ballast water treatment, which can effectively improve sterilization effect and comprises a cavity, a water inlet is arranged at one end of the cavity, a water outlet is arranged at the other end of the cavity, and an ultraviolet lamp tube is mounted in the cavity. Rectifying blocks are mounted at the upper end and the lower end of the inner wall of the cavity, each rectifying block is of a trapezoidal structure, the length of a bevel edge, facing the seawater flowing direction, of each rectifying block is larger than that of the other bevel edge, and the rectifying direction of each rectifying block is consistent with the water flowing direction. 本实用新型涉及紫外线灭杀压载水中的微生物及细菌技术领域，具体为一种压载水处理用紫外线处理装置，其能够有效提高杀菌效果，其包括腔体，所述腔体一端开设有进水口、另一端开设有出水口，所述腔体安装有紫外线灯管，其特征在于，所述腔体的内壁上端和下端安装有整流块，所述整流块为梯形结构且朝向海水流向一侧的斜边长度大于另一斜边，所述整流块的整流方向与水流方向一致。