介绍华能汕头海门电厂1号1 000 MW超超临界机组锅炉冲管临时管的设计；对设计中需要考虑的热应力、补偿性能、热膨胀等因素进行探讨，为同类型燃煤/气机组临冲管的设计提供参考。

In the paper,the design of the temporary flushing pipes for 1 000 MW ultra super-critical unit boiler in Huaneng Shantou Haimen Power Plant is introduced.The impact factors considered for the design,such as thermal stress,performance compensation and thermal expansion etc.，are discussed,providing reference for similar design of coal or gas fired units.