发电机铜导线腐蚀控制准动态模拟试验研究

通过准动态正交试验(L1645)，研究了时间、水温、转速、pH值、溶解氧等因素对发电机内冷水系统中铜导线腐蚀的影响.结果表明：各因素对铜腐蚀影响的顺序从大到小依次为：pH值、转速、溶解氧、试验时间、水温.当试液pH值分别为6.0、7.0、8.0、9.0时，对应Cu2+含量水平和平均值分别为：558、177、136、111(μg/L).在准动态试验条件下，将除盐水调节成微碱性，能有效抑制铜的腐蚀，Cu2+含量小于200 μg/L.  

QUASI-DYNAMIC SIMULATION TEST OF CORROSION CONTROL FOR GENERATOR COPPER CONDUCTORS

Through a quasi-dynamic orthogonal test(L164 5),the effect of some factors including time (h),temperature(℃),rotation speed(rpm),pH and dissolved oxygen(mg/L),on corrosion of copper wire was studied.The test results showed that the five factors affecting copper corrosion in a descending order as:pH,rotation speed,dissolved oxygen,time and temperature.When pH value of test solution was 6.0,7.0,8.0,9.0,the Cu2+ content,ie,the mean value of it was cordingly 558,177,136,111(μg/L).Under quasi-dynamic condition,micro-basified pure water can ef fectively suppress copper corrosion and keep Cu2+ content of the test solution below 200 μg/L.