间接空冷和直接空冷系统技术经济分析  

TECHNICAL AND ECONOMICAL ANALYSIS OF INDIRECT AIR-COOLED SYSTEM AND DIRECT AIR-COOLE SYSTEM

作　　者：王新宇[1] 史建良[1] 李国宝[1] 刘海鹰[1] 尚卫军[1] 陈胜利[2] 

机构地区：[1]北方联合电力有限责任公司,内蒙古呼和浩特010020 [2]西安热工研究院有限公司,陕西西安710032

出　　处：《热力发电》2010年第8期1-3,22,共4页Thermal Power Generation

摘　　要：介绍了北方地区发电机组空冷技术的应用情况。通过比较直接空冷和间接空冷的技术特点和投资分析,得出间接空冷系统在运行维护和技术经济性上有着较多优势,如机组运行稳定性及夏季运行安全性均较好,基本无噪音,容易清洗等。采用国产化大型间接空冷系统可提高发电厂运行的经济性。The situation of using air-cooled technology for power-generating units in northern area of China in recent years has been presented.Through comparison and analysis of technical features and captital investment of direct-cooled technology with indirect air-cooled technology,it is believed that the indirect air-cooled technology has more advantages in operation and maintenance,as well as in technical and economical aspects,such as the stability in operation of untis and safety in operation during summer season all are better,basically without noise,and easily to be cleaned,etc.adoption of home-made large-scale indirect air cooled system can enhance the economic efficiency in operation of power plants.

关 键 词：直接空冷 间接空冷 表面式凝汽器 混合式凝汽器 散热器 背压 

分 类 号：TK264.1[动力工程及工程热物理—动力机械及工程]