苏龙电厂高效改造型抽汽式330 MW汽轮机设计特点  

Design Characteristics of Sulong Power Plant’s High Efficiency Retrofit 330 MW Extraction Steam Turbine

作　　者：张晓霞 唐新江 ZHANG Xiaoxia;TANG Xinjiang(Shanghai Electric Power Generation Equipment Co.,Ltd.Turbine Plant,Shanghai 200240,China;Jiangyin Sulong Heat and Power Generating Co.,Ltd.,Jiangyin 214400,China)

机构地区：[1]上海电气电站设备有限公司汽轮机厂,上海200240 [2]江阴苏龙热电有限公司,江阴214400

出　　处：《热力透平》2021年第2期102-106,134,共6页Thermal Turbine

摘　　要：对苏龙三期亚临界330 MW机组通流和抽汽供热综合改造中采用的本体通流、级间抽汽和热力系统设计方案及先进新技术进行了详细介绍论述。改造设计方案最大限度地考虑了抽汽工况性能最优的设计目标,采用长期运行的典型抽汽工况热耗指标来评价改造节能效果,更好地贴合了运行实际。研究成果对同类供热机组进行能耗指标分析具有示范指导意义。Advanced technology and design scheme applied in the retrofit project of Sulong Power Plant projectⅢare described in detail,including blade path and cylinder optimization design,inter-stage steam extraction design and thermal system design.This retrofit design scheme takes performance under extraction condition in maximum consideration.The energy-conservation effect is evaluated using heat rate of typical extraction condition in long-term operation,whose result conforms to the actual operation condition better.The research result is of guiding significance for energy conservation analysis in similar extraction steam turbine units.

关 键 词：汽轮机 改造 级间抽汽 间接调压 热耗 节能 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]