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介绍凝汽器腐蚀在线监测装置及工业应用情况。利用涡流探伤抽取有代表性的铜管制作腐蚀测量传感器,使测量结果与实际凝汽器管的腐蚀情况一致;用带腐蚀坑的铜管与不带腐蚀坑的铜管制作电偶对,可间接测量凝汽器管局部腐蚀速度。采用该技术可及时、准确地发现设备实际运行中存在的腐蚀问题,并使防腐蚀措施更经济有效。该装置经2个电厂的实际应用,表明腐蚀测量快速、准确。
Describes on-line monitoring of condenser corrosion and industrial applications. The use of eddy current testing representative of the copper extraction corrosion measurement sensor, the measurement results and the actual corrosion of the condenser tube consistent; with corrosion pits of copper and copper pits without corrosion pit made of galvanic couple, Indirect measurement of condenser tube local corrosion rate. The use of this technology can be timely and accurate detection of corrosion in the actual operation of the equipment and make corrosion prevention measures more cost-effective. The actual application of the plant through two power plants shows that the corrosion measurement is fast and accurate.