汽包壁温差增大原因分析及预防措施

Cause and countermeasures of temperature difference increased in upper and lower wall of drum

分析了火力发电厂锅炉汽包壁上下温差增大的原因及造成的危害,提出了有效的防止措施,认为严格执行运行规程,根据汽包壁温差增大的不同原因采取适宜的解决方法,是将汽包壁温差控制在规定范围内的保证。

The reasons of temperature difference existed in the upper and lower parts of boiler drum and its harm to drum for a fossil -fired power plant were analyzed, some effective measures were presented, such as operating strictly accordance with the operation code, adjusting it in time based on the different reasons, which can ensure the temperature difference in the limit.