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高压加热器是火力发电厂的重要辅助设备 ,它的缺陷将严重影响机组的安全和经济运行。本文介绍了广东云浮电厂国产 12 5 MW机组用立式高压加热器热交换钢管缺陷位置分布规律 ,并分析缺陷产生的原因 ,在此基础上对同类高压加热器的运行和检验提出一些合理建议。
High-pressure heater is an important auxiliary equipment of thermal power plants, its defects will seriously affect the safety and economic operation of the unit. This paper introduces the rule of the position distribution of heat exchange pipe defects of vertical high pressure heaters used in domestic 125 MW units in Yunfu Power Plant in Guangdong Province and analyzes the causes of the defects. Based on this, some reasonable suggestions are put forward for the operation and inspection of the similar high pressure heaters.