Concentration detection and automatic feed supplement system

The utility model discloses a concentration detection and automatic feed supplement system, including work portion, test section and control part, work portion includes degreasing bath, passivation groove, rust -resistant oxidation groove and the former sap cavity of degreasing fluid, the passivation former sap cavity of liquid and the former sap cavity of rust -resistant liquid, the control partincludes treater and controller, and the treater is used for comparing testing result and the default in the treater, and the controller is used for the comparison result control according to the treater opening and shutting of valve. The utility model discloses utilize the test section to sample and add the washing liquid in the work portion and have color development reaction's detection liquid,then through mechanical vision automatic feedback, the concentration that detects the washing liquid when the test section crosses that the system can add the concentration of washing liquid stoste with washing liquid in main