The effect of impurity on pipeline, equipment and rolling equipments is bad in MPM cooling water. It needs improving and it gets the good effect after improved in practical running.

• 本文着重介绍了连轧钢管厂轧制冷却水中,由于多种杂质的存在对管道、水处理设备、轧钢设备造成的严重危害,及对水处理技术的改进,改进后的水处理技术已用于实践运行中,效果良好。