1000MW超超临界汽轮机冷端设计优化  

Cold-end Design Optimization of the 1000MW Ultra Supercritical Turbine Unit

作　　者：金宏伟 章军人 

机构地区：[1]浙江浙能中煤舟山煤电有限责任公司,舟山316131

出　　处：《发电设备》2012年第5期331-333,共3页Power Equipment

摘　　要：针对汽轮机冷端参数对电厂热力系统热效率和运行经济性的影响进行了研究,结合电厂工程实际,介绍2台1 000MW超超临界汽轮机冷端优化设计,从原理上分析了降低凝汽器压力、降低温差和端差的途径,以实例说明了凝汽器压力优化和循环水泵配置的优化设计过程及收效。A study has been carried out to analyze the effects of steam turbine cold-end parameters on the thermal efficiency and operation economy of the power plant＇s thermodynamic system. Combined with the practical project, the cold-end design optimization for 2 1 000 MW ultra supercritical steam turbines has been described. The ways of reducing condenser pressure, temperature difference and terminal difference have been analyzed based on relevant principles. The design optimization and resulting effects for the condenser pressure and circulating water pump＇s configuration have been introduced with examples.

关 键 词：汽轮机 冷端优化 凝汽器 末级叶片 循环水泵配置 

分 类 号：TK264.1[动力工程及工程热物理—动力机械及工程]