600 MW超临界火力发电机组锅炉能效诊断  

Efficiency Diagnosis of Boiler of 600 MW Supercritical Thermal Power Generator Set

作　　者：李建锋[1] 李斌[1,2] 朱超 尧国富[1] 盛建华[1] 王廖星[1] 

机构地区：[1]中国电力企业联合会科技开发服务中心,北京100761 [2]华北电力大学能源动力与机械工程学院,北京102206 [3]国核工程有限公司,上海200233

出　　处：《锅炉技术》2013年第4期14-18,共5页Boiler Technology

摘　　要：为了进一步降低火力发电机组的能耗,以某600MW超临界火力发电机组的锅炉设计参数为依据,对其进行了热效率和效率分析。分析结果表明,燃烧和传热则是锅炉损失较大的2个环节。降低损失的方法有:提高蒸汽参数、降低排烟温度、提高电厂辅助设备的效率以及降低蒸汽管道的长度等。In order to reduce the energy consumption of thermal power generation units, thermal efficiency and exergy efficiency are analyzed based on the design parameters of boiler of a 600 MW supercritical thermal power generation unit.The results show that the exergy losses of the combustion and heat transfer are the larger exergy losses of two aspects.The methods to reduce the exergy losses of the unit are：improving parameters of steam,reducing temperature of exhaust gas,enhancing the efficiency of power plant auxiliary equipments and reducing the length of steam pipes,etc.

关 键 词：600MW火力发电机组 超临界 能效诊断 热效率分析 [火用]效率分析 

分 类 号：TK229.2[动力工程及工程热物理—动力机械及工程]