Automatic control device for underflow output concentration of thickener

The utility model belongs to the technical field of automatic measurement and control, and particularly relates to an automatic control device for underflow output concentration of a thickener, which is characterized by comprising a main controller, an industrial personal computer and a field controller, the make-up pump frequency converter, the underflow pump frequency converter, the large well concentration detection device, the pipeline pressure detection device and the gate valve electric actuator are respectively connected with the field controller. According to the automatic control device for the underflow output concentration of the thickener, the working condition requirements at the present stage can be met, accurate concentration control is achieved, and equipment accidents caused by misoperation are effectively prevented. 本实用新型属于自动化测控技术领域，尤其是涉及一种浓缩机底流输出浓度的自动控制装置，其特征在于包括主控制器，与此主控制器相连接的工控机和现场控制器，分别与此现场控制器相连接的补水泵变频器、底流泵变频器、大井浓度检测装置、管道压力检测装置和闸板阀电动执行器。本实用新型的浓缩机底流输出浓度的自动控制装置，能给满足现阶段工况要求，实现浓度精准控制，有效防止误操作