介绍了敞开式循环冷却水系统的水质特点和基本水质要求 ,指出了水质处理的必要性 ,探讨了循环冷却水处理的三个主要问题 ,即腐蚀控制、沉积物控制和微生物控制。同时介绍了循环冷却水系统常用的水处理方法 ,探讨了循环冷却水系统的水质管理方法 The characteristics of water quality and basic water quality of open recirculating cooling water system were introduced. The necessity of water quality treatment was pointed out. The three main problems of recirculating cooling water treatment were discussed: corrosion control, sediment control and microorganism control. At the same time, the water treatment methods commonly used in the circulating cooling water system are introduced, and the water quality management methods of the circulating cooling water system are discussed