135MW单缸汽轮机热力特性分析  

Analysis on Thermal Performance of a 135MW Single-cylinder Steam Turbine

作　　者：刘利 刘忠轩 戴维葆 黄启龙 

机构地区：[1]国电科学技术研究院,南京210031

出　　处：《发电设备》2015年第2期136-138,共3页Power Equipment

摘　　要：介绍了单缸、单轴、单排汽的135 MW汽轮机机组概况、通流特性和热力特性,通过采用叶片全三维气动设计、调节级子午面收缩叶栅,减小了叶栅二次流损失,提高了机组的通流效率。性能试验表明:高压缸效率为81.57%,高于设计值。An introduction is being presented to the unit configuration,flow characteristics and thermal performance of a 135 MW single-cylinder,single-shaft and single-flow steam turbine.The blades adopt 3D aerodynamic design,and the cascade is of the meridian shrink type in the governing stage,which helps to reduce the second flow loss and increase the flow efficiency.Performance test results show that the efficiency of high-pressure cylinder can reach81.57%,higher than the design value.

关 键 词：汽轮机 单缸 通流 热力特性 

分 类 号：TK261[动力工程及工程热物理—动力机械及工程]