中国电力 ›› 2020, Vol. 53 ›› Issue (2): 112-119.doi: 10.11930/j.issn.1004-9649.201905133

• 发电 • 上一篇    下一篇

660 MW超超临界机组循环水泵配置及运行方式优化

王渡, 刘玉贤, 万明元, 赵思维, 江剑明   

  1. 上海电力大学, 上海 200090
  • 收稿日期:2019-05-20 修回日期:2019-12-20 出版日期:2020-02-05 发布日期:2020-02-05
  • 作者简介:王渡(1980-),男,副教授,从事热力系统优化、大型电站运行优化及热力系统经济性分析,E-mail:wangdu2003@sina.com;刘玉贤(1995-),男,硕士研究生,从事热力系统优化、大型电站运行优化及热力系统经济性分析,E-mail:1321475630@qq.com;万明元(1992-),男,硕士,从事热力系统优化、大型电站运行优化及热力系统经济性分析,E-mail:610641819@qq.com
  • 基金资助:
    国家自然科学基金资助项目(No.51806135)。

Configuration and Operation Optimization of Circulating Water Pumps for 660 MW Ultra-supercritical Unit

WANG Du, LIU Yuxian, WAN Mingyuan, ZHAO Siwei, JIANG Jianming   

  1. Shanghai University of Electric Power, Shanghai 200090, China
  • Received:2019-05-20 Revised:2019-12-20 Online:2020-02-05 Published:2020-02-05
  • Supported by:
    This work is supported by National Natural Science Foundation of China (No.51806135).

摘要: 机组循环水泵的不同配置方案和运行方式对厂用电率存在显著影响。基于EBSILON仿真平台搭建了2×660 MW超超临界机组和4台循环水泵的仿真模型。针对机组3种不同的循环水泵配置方案,构建了不同负荷、不同循环水温度下机组的多种循环水泵组合方式。在综合考虑机组的运行费用和投资回收年限的情况下,分析了不同配置方案的技术经济性,结果显示:2台变频循环水泵为最佳配置方案,其年运行效益可增加537.677万元,估算投资回收年限1.741年。

关键词: 超超临界机组, 变频, 循环水泵, 经济性分析

Abstract: The configuration schemes and operation modes of the circulating water pump of the thermal power unit have significant impacts on the efficiency of the unit. In this paper, the simulation model of the 2×660 MW ultra supercritical unit with the four circulating water pumps are constructed by using the EBSILON platform. Then regarding three different circulating water pump configuration schemes, a variety of operation modes were established accordingly under different loads and circulating water temperatures. Considering the operation cost of the unit and the payback period of investment, different circulating water pump configuration schemes of the unit have been analyzed and compared both technically and economically. The simulation results show that the scheme configured with variable frequency speed control in two circulating water pumps is the optimal solution such that the annual operation income will increase by 5.377 million yuan and the investment payback period is expected to be about 1.741 years.

Key words: ultra supercritical power unit, variable frequency speed control, circulating water pump, economic analysis