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[1] Xu Jianqun, Ma Lin, Lü Xiaoming, Li Ling, et al. Operation optimization modefor nozzle governing steam turbine unit [J]. Journal of Southeast University (English Edition), 2014, 30 (1): 57-59. [doi:10.3969/j.issn.1003-7985.2014.01.011]
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Operation optimization modefor nozzle governing steam turbine unit()
喷嘴配汽方式汽轮机组运行优化
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
30
Issue:
2014 1
Page:
57-59
Research Field:
Energy and Power Engineering
Publishing date:
2014-03-31

Info

Title:
Operation optimization modefor nozzle governing steam turbine unit
喷嘴配汽方式汽轮机组运行优化
Author(s):
Xu Jianqun1;  Ma Lin1;  Lü Xiaoming2;  Li Ling3
1Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Southeast University, Nanjing 210096, China
2China Datang Corporation Anhui Branch Company, Hefei 230071, China
3China United Engineering Corporation, Hangzhou 310022, China
胥建群1;  马琳1;  吕晓明2;  李玲3
1东南大学能源热转换及其过程测控教育部重点实验室, 南京 210096; 2中国大唐集团安徽分公司, 合肥 230071; 3中国联合工程公司, 杭州 310022
Keywords:
nozzle governing;  steam-excited vibration;  operation optimization;  unit efficiency
喷嘴配汽;  气流激振;  运行优化;  机组效率
PACS:
TK267
DOI:
10.3969/j.issn.1003-7985.2014.01.011
Abstract:
Based on tests and theoretical calculation, an optimum steam admission mode is proposed, which can effectively solve the steam-excited vibration. An operation mode jointly considering the valve point and operation load is proposed based on the analysis and study of a large number of unit operation optimization methods. According to the steam-excited vibration that occurs during the optimization process when the nozzle governing steam turbine switches from a single valve to multi-valves, a steam admission optimization program is proposed. This comprehensive program considering the steam-excited vibration is applied to a 600 MW steam turbine unit to obtain the optimum sliding pressure curve and the optimum operation mode, and the steam-excited vibration is solved successfully.
基于试验与理论计算相结合的方法, 提出了配汽优化方案, 有效解决了气流激振问题.在分析和研究了大量机组运行优化方式的基础上, 提出联合考虑负荷和阀点的运行优化方式, 并考虑喷嘴配汽汽轮机组在单阀切换多阀运行时出现的汽流激振问题, 提出相应的配汽优化方案.将该综合考虑汽流激振问题的方案应用于某600 MW汽轮机组, 得到该机组的最佳滑压曲线和最优运行方式, 并成功地解决了过程中出现的汽流激振问题.

References:

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[3] Gao L, Dai Y P. Rotor dynamic stability under partial admission conditions in a large power steam turbine[C]//Proceedings of ASME Turbo Expo 2009. Orlando, USA, 2009: 1-15.
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Memo

Memo:
Biography: Xu Jianqun(1959—), male, doctor, professor, qlj1062@163.com.
Foundation item: The National Natural Science Foundation of China(No.51176031).
Citation: Xu Jianqun, Ma Lin, Lü Xiaoming, et al. Operation optimization mode for nozzle governing steam turbine unit[J].Journal of Southeast University(English Edition), 2014, 30(1):57-59.[doi:10.3969/j.issn.1003-7985.2014.01.011]
Last Update: 2014-03-20