350MW超临界汽轮机通流改造热力设计  

Thermal Design for the Flow Transformation of 350MW Supercritical Turbine

作　　者：段金鹏 李兴华[1] 徐殿吉[1] DUAN Jin-peng;LI Xing-hua;XU Dian-ji(Harbin Turbine Company Limited,Harbin 150046,China)

机构地区：[1]哈尔滨汽轮机厂有限责任公司,哈尔滨150046

出　　处：《汽轮机技术》2020年第4期251-254,共4页Turbine Technology

摘　　要：针对某350MW超临界机组通流改造热力设计问题,从系统配置、通流选型等方面进行了分析和论述,给出目前最合理的改造方案。结果表明,通流改造后的机组热耗较改造之前可降低386.2kJ/(kW·h),收益明显。In view of the thermal design problem of a 350MW supercritical unit,this paper analyzes and discusses the system configuration and flow selection,and puts forward the optimal transformation scheme.The results show that the heat consumption of the unit can be reduced by 386.2kJ/(kW·h)after the transformation,and the benefit is obvious.

关 键 词：汽轮机 通流改造 系统优化 热力设计 节能降耗 

分 类 号：TM621[电气工程—电力系统及自动化]