600 MW机组给水泵汽轮机提效对主汽轮机热耗影响分析  

Effects of BFPT Efficiency Improvement on Heat Rate of the Main Steam Turbine in a 600 MW Unit

作　　者：段江 李明 Duan Jiang;Li Ming(State Grid Shaanxi Electric Power Company, Xi’an 710004, China)

机构地区：[1]国网陕西省电力公司,西安710004

出　　处：《发电设备》2020年第6期396-398,共3页Power Equipment

摘　　要：采用能级效率法对600 MW亚临界汽轮机热力系统的汽轮机热耗验收(THA)工况进行了能损分析,获得了该工况下热力系统的各能级效率和能损,验证了能级效率法的精度和易用性,并进一步计算分析了给水泵汽轮机效率提升对600 MW亚临界汽轮机热耗的影响。The energy level efficiency method was used to analyze the energy loss in the thermal system of a 600 MW subcritical steam turbine under turbine heat acceptance(THA)condition,during which,the energy efficiency and energy loss of each thermal system were obtained.The accuracy and ease of use of the energy level efficiency method were verified,while the influence of the efficiency improvement of the boiler feed pump turbine(BFPT)on the heat rate of the 600 MW subcritical steam turbine was further analyzed.

关 键 词：给水泵汽轮机 热力系统 热耗 能级效率 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]