Electrochemical reaction device for heavy metal wastewater treatment

The utility model belongs to the technical field of wastewater electrochemical treatment. The electrochemical reaction device for heavy metal wastewater treatment comprises a power supply (1), a polarplate (2) and a reaction tank (8), and further comprises an elastic polar plate brush (3) and a cleaning water distribution pipe (4), and the elastic polar plate brush (3) is clamped on the surface of the polar plate (2); and the cleaning water distribution pipes (4) are uniformly arranged in the middle of a tank body of the reaction tank (8) around the reaction tank. According to the utility model, the electrode passivation condition can be alleviated, the electrode service life is prolonged, the electrode utilization rate is improved, and the electrochemical operation cost is saved. 本实用新型属于废水电化学处理技术领域，具体地是一种用于重金属废水处理的电化学反应装置，所述电化学反应装置包括电源(1)、极板(2)和反应槽(8)，所述电化学反应装置还包括弹性极板刷(3)和清洗布水管(4)，所述弹性极板刷(3)夹持在极板(2)的表面上；所述清洗布水管(4)绕反应槽均匀布置在反应槽(8)的槽体中部。本实用新型可减缓改善电极钝化情况，延长电极寿命，提高电极使用率，节约电化学运行成本。