汽轮机通流部分改造对机组效率的影响  

Effect the Efficiency of Generating Units by Renovating Flow Passage of Steam Turbine

作　　者：刘景春[1] 高海[2] 孙永斌[2] 

机构地区：[1]神华国华绥中发电有限责任公司,辽宁葫芦岛125222 [2]辽宁省电力有限公司电力科学研究院,辽宁沈阳110006

出　　处：《东北电力技术》2012年第11期20-23,共4页Northeast Electric Power Technology

摘　　要：详细介绍了华能营口电厂1号、2号俄供320 MW火电机组汽轮机通流部分改造前在经济性、安全性方面存在的问题,简述了汽轮机通流部分改造的具体内容,通过对比改造前、后机组主要技术参数及数据,可见改造后汽轮机工作效率大大提高,达到了节能、减排、降耗和提高机组效率的目的,为同类型机组的改造提供了借鉴。The article introduces in detail the economic and safty problems before flow passage renovating of steam turbine for Russian-made 320 MW thermal power generating unit 1 and unit 2,Huaneng Yingkou Power Plant,and expounds the specific contents about retrofit of flow passage.By comparing the main technical parameters and data pre-and post-renovating of flow passage,it shows a good improvement of steam turbine efficiency,and it achieves the aims of energy conservation,emission reduction,consumption reduction and commerical efficiency increase.This valuable experience could be refered to the other same type units.

关 键 词：汽轮机 通流部分改造 叶片 效率 汽缸 

分 类 号：TK269[动力工程及工程热物理—动力机械及工程]