国内首台620MW超临界空冷汽轮机技术特点分析

Technical Features Analysis on First Domestic 620 MW Air-cooled Supercritical Turbine

分析华能上安电厂620MW汽轮机在高中压缸、低压缸的材料选择、结构优化、通流设计以及轴系设计等方面的技术特点,介绍了机组的投运情况,认为该机组实现了超临界和空冷技术的有机结合,投运后运行安全可靠、经济指标良好。

This paper analyzes the technical characteristics of the material selection、structural optimization、through-flow part design&shafting design in the HIP &LP turbine in Hua Neng Shang an Electric Power Plant,introduces the operation status,advances this unit combines with the supercritical unit and air-cooled unit.After operation,unit is safe and reliable,and the economic index is well.