<p align="center"><font face="Verdana">提高300MW 直接空冷机组经济性研究 <br/>胡明明 胡学军 <br/>(山西漳泽电力股份有限公司河津发电分公司, 山西 河津 043300) <br/>The research of reducing back pressure and improving economy of 2×300MW air-cooled units <br/>HU Ming-ming,ZHAO Ya-feng,ZHANG Li-ge,CHENG Ke-hong <br/>(Hejin Generation Company of Zhangze Electric Power Co.,Ltd,Hejin,Shanxi 043300, China) </font></p><font face="Verdana">
<p><br/>摘 要：河津发电分公司2×300MW空冷机组投产后与比同容量湿冷机组相比，实际运行背压高、煤耗大，夏季限负荷频繁，通过对空冷机组冷端设备运行特性的分析，指出空冷翅片脏污、环境温度、大风、漏空气和运行方式是影响冷端设备运行的主要因素，根据上述影响因素研究提出了降低机组背压，提高机组运行经济性的措施。 <br/>关键词：火电 空冷 经济性 背压 节能 <br/>Abstract: The actual operation of 2×300MW air-cooled units of Hejin Power Branch indicates that the back pressure and coal consumption of the air-cooled units are higher than the same type of humidicooled. After a comprehensive and systematic analysis and research, its reason is mainly the influences of air-cooled finned dirt, environmental temperature, gale, air leakage,operation mode, and so on. Thus the corresponding measures are proposed to reduce the back pressure and coal consumption ,improving the operation of the units economy. </p>
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