1000MW机组高温过热器热电偶频繁损坏原因分析及改进

Cause Analysis and Improvement of Frequent Damage of High Temperature Superheater Thermocouple in 1000MW Unit

介绍了某电厂1000MW机组高温过热器热电偶频繁损坏的现象,对热电偶损坏原因进行分析,并提出了热电偶改进措施,大大减少了热电偶损坏故障率。

The frequent damage phenomenon of the high temperature superheater thermocouple in a 1000 MW unit of a power plant is introduced.The cause of the damage of the thermocouple is analyzed.The improvement measures of the thermocouple are put forward,greatly reducing the failure rate of the high temperature superheater thermocouple.