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660MW超超临界直接空冷机组FCB功能实现与经济性分析.pdf

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内蒙 古 电力技 术 34 INNERMONGOLIAELECTRICPO、x¨ER 2013 第31卷 I』{JJ doi:10.3969/j.issn.1008—6218.2013.01.019 660MW超超 临界直接空冷机组FCB功能 实现与经济性分析 段学友,焦晓峰,张 谦,郭瑞君。高 军 (内蒙古电力科学研究院,内蒙古 呼和浩特 010020) 摘要:介绍了某660MW超超临界汽轮机组实现FCB功能设计对机组FCB触发逻辑、主 再热蒸汽系统、旁路系统、除氧器容量等系统或设备的配置要求;对具备FCB功能机组及非 FCB机组的初建投资费用,及 电网故障对停机、启机运行成本消耗进行 了经湃 比较。结果 表明虽然FCB功能机组初投资费用较大,但能有效减少由于电网故障造成的经济损失,同时 可以大大降低 电厂运行成本,因此在该机组上配备FCB功能的方案是可行的。 关键词:超超临界直接空冷机组;FCB功能;大容量旁路 系统;快速减负荷 ;运行成本 文献标志码:B 中图分类号:TM621.2 文章编号 :1008—6218(2013)O1—0034—03 Achievementand EconomicAnalysison FCB Function of660MW Ultra——supercriticalDirectAir-cooled Unit DuanXueyou,JiaoXiaofeng,ZhangQian,GuoRuijun,GaoJun MongoliaElectricPowerScience Research Institute.hmerMongolia Hohhot O10020) Abstract:Thispaper has introduced a 660MW ultra supercriticalsteam turbine unit to realize FCB function design on the unitFCB trigger logic,main reheat steam system, hypass system,deaerator capacity system or equipmentconfiguration requirements;To have theFCB function unitand non FCB unitinitialinvestmentcost,and powergrid failureto stop,and unitoperation costconsumption on the economicalcomparison.The results show thatalthough the FCB function unitS initialinvestmentcostis larger,butcan effectively reduce the power grid failure caused economic losses,atthe same time can be greatly reduced the costofoperation in power plants,and SO on in the unitequipped with FCB function schemeiSfeasible. Key words:ultra-supercritical direct air-cooled unit;FCB function;large capacity of bypass system;fastload reduction;operation cost 0 引言
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