空冷汽轮机设计气温确定方法探讨  

AN APPROACH TO THE METHOD FOR DETERMINING THE DESIGNED AIR TEMPERATURE FOR AIR-COOLED TURBINES

作　　者：陈立军[1] 徐超[1] 王莹[1] 杜箭 米利俊[1] 

机构地区：[1]东北电力大学节能与测控技术研究中心,吉林吉林132012 [2]国电吉林热电厂,吉林吉林132012

出　　处：《热力发电》2011年第7期45-47,共3页Thermal Power Generation

基　　金：国家重点基础研究发展规划基金项目(2007CB206904);中国华能集团公司科学技术项目(HNKJ08-H32);东北电力大学博士基金项目(BSJXM-201005)

摘　　要：阐述了计算空冷汽轮机设计气温目前已有的几种方法,并提出了以空冷汽轮机组全年利用小时数为依据的利用小时数加权平均法。通过实例,得出了各种方法确定的设计气温值。对计算结果分析论证后认为,利用小时数加权平均法计算空冷汽轮机设计气温较合理。Several methods existing at present for calculating the designed air temperature for air-cooled turbines have been expounded,and a utilization hours weighed averaging method taking utilization hours in one whole year as the practical examples,the determined values from various methods have been obtained,it is believed from analysis and evaluation that the weighted averaging method of utilization hours is more suitable to calculate the designed air temperature of the air-cooled turbines.

关 键 词：空冷汽轮机 设计气温 冷却 年利用小时 

分 类 号：TK264.1[动力工程及工程热物理—动力机械及工程]