驱动给水泵汽轮机性能在线监测系统的设计与研究
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摘要
汽轮机的变工况研究,对于确定机组变工况后的安全性与经济性具有重要意义。在汽轮机所有变工况中,以临界工况变为亚临界工况(或相反)的变工况最为复杂。研究机组何时由临界工况变为亚临界工况(或相反),寻求临界压力的变化规律是研究汽轮机变工况特性的重要问题之一。
从汽轮机的基本工作原理出发,研究汽轮机末级的临界流量与临界压力及其它一些重要参数的变化规律,进而讨论汽轮机在线性能监测中排汽焓的分析计算。
应用汽轮机变工况理论,开发给水泵汽轮机性能计算模块,并集成到元宝山电厂给水泵组状态监测与维修辅助支持系统。
It is very important and meaningful to study steam turbine’s varying conditions. In all the steam turbine varying conditions, it is most difficult for the turbine to change from the critical state to subcritical (or reversely). In order to study the characteristics of steam turbine varying conditions, it is important to study when the flow state change from the critical state to subcritical (or reversely).
Based on steam turbine's basic working principle, we discusses problems of calculating critical flow rate and critical pressure ratio of last stage of condensing turbine, various rules of some important parameters and exhaust enthalpy in steam turbine’s performance monitoring.
Using the theory of steam turbine’s varying conditions, research thermodynamic calculation on steam turbine for feed water pump, and integrated to the monitoring state and maintenance assist support system of feed pump for YuanBaoShan Power Plant.
从汽轮机的基本工作原理出发,研究汽轮机末级的临界流量与临界压力及其它一些重要参数的变化规律,进而讨论汽轮机在线性能监测中排汽焓的分析计算。
应用汽轮机变工况理论,开发给水泵汽轮机性能计算模块,并集成到元宝山电厂给水泵组状态监测与维修辅助支持系统。
It is very important and meaningful to study steam turbine’s varying conditions. In all the steam turbine varying conditions, it is most difficult for the turbine to change from the critical state to subcritical (or reversely). In order to study the characteristics of steam turbine varying conditions, it is important to study when the flow state change from the critical state to subcritical (or reversely).
Based on steam turbine's basic working principle, we discusses problems of calculating critical flow rate and critical pressure ratio of last stage of condensing turbine, various rules of some important parameters and exhaust enthalpy in steam turbine’s performance monitoring.
Using the theory of steam turbine’s varying conditions, research thermodynamic calculation on steam turbine for feed water pump, and integrated to the monitoring state and maintenance assist support system of feed pump for YuanBaoShan Power Plant.
引文
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[29]H.Keenan, G.keyes.Thermodynamic Properties of Water Including Vapor, Liquid and Solid Phases[M]. John Wiley &Sons. Inc, 1969
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[2]John Reason.Expert systems promise to cut critical machine downtime[J]. Power. January,1987
[3]Doglas.J.Smith. Intelligent Computer systems enhance power plant operations[J]. Power Engingeering . 1989,93(12)
[4]毕政益.国内外火电机组运行优化在线管理系统应用现状[J]. 能源研究与信息,2000,16
[5]周克毅,邵爱菊,葛聪.国外电站性能监测与诊断概况[J]. 动力工程,1999.2
[6]Siemens Co.Sienergy-Solutions for Knowledge-Based Power Plant Management[M]. 1999
[7]Roben UWE.Operations Management Always on Track[J]. Siemens Power Journal, 1998, 2
[8]Thomas C Elliotlm, Robort Swanekamp.Monitoring power plant performance[J]. Power, October,1994
[9]张春发,等.汽轮机组临界状态判别定理及改进型 Flugel 公式[J].中国科学(E 辑),2003,3
[10]张春发,张明智,崔映红,杨文滨,张德成.凝汽式汽轮机在变工况下流动状态的判别[J].动力工程,2002,6
[11]曹丽华,李 勇.汽轮机超临界级变工况热力计算方法的改进[J].汽轮机技术, 2001,12
[12]李如翔,李维特.凝汽式汽轮机末级的变工况特性[J].汽轮机技术,1995,10
[13]李维特,祁智明,黄保海.确定凝汽式汽轮机末级临界流量与临界压力比的数值方法[J].动力工程,1998,8
[14]李勇,曹祖庆.汽轮机级的变工况计算中存在的问题及改进[J].汽轮机技术, 1998,12
[15]张卫伟.一组适合于汽轮机膨胀线改变的火电机组运行能损在线计算公式[J]. 汽轮机技术,2004,10
[16]ZhangChunfa, CuiYinghong, YangWenbin, ZhanDecheng, SongZhiping. Proof for Part of the Sttla Flow Experimental Conclusion and the Improvement of Flugel Formula [J].Science in china(SeriesE),2002,1
[17]曹祖庆.汽轮机变工况特性[M],水利电力出版社,1995
[18]ASME. Erratum to ASME PTC 6-2004 Steam Turbines[M],2006.2
[19]盛德仁,等.汽轮机组热耗率分析及实时计算[J]. 热力发电,2003,5
[20]韩中合,等.在线确定凝汽式汽轮机排汽焓的热力学方法[J].动力工程,24,3
[21]任浩仁,盛德仁,卢学锋,陈坚红,徐东.汽轮机在线性能计算中排汽焓的确定[J].动力工程,1998,12
[22]崔映红,等.汽轮机排汽焓的在线计算及末级的变工况特性[J].汽轮机技术, 44,3
[23]郭江龙,张树芳,陈海平.火电机组排汽焓在线计算方法的研究[J].发电设备,2001,6
[24]李维特,黄保海.汽轮机变工况热力计算[M].中国电力出版社,2001
[25]康松,杨建明,胥建群.汽轮机原理[M].中国电力出版社,1992
[26]沈士一,庄贺庆,康松,庞立云.汽轮机原理[M].中国电力出版社,1992
[27]江宁,陈行庚,曹祖庆.火电厂优化运行中汽轮机能损分析问题的讨论[J].热力透平, 2004,3
[28]李勇,曹祖庆.汽轮机超临界级的变工况核算方法分析及验证[J].汽轮机技术, 1998,4
[29]H.Keenan, G.keyes.Thermodynamic Properties of Water Including Vapor, Liquid and Solid Phases[M]. John Wiley &Sons. Inc, 1969
[30]朱明善,刘颖,林兆庄,彭晓峰.工程热力学[M].清华大学出版社,1994
[31]庞麓鸣,汪孟乐等.工程热力学[M].高等教育出版社,1980
[32]沈维道,郑佩芝等.工程热力学[M].人民教育出版社,1965