电站煤粉锅炉炉膛压力的分形特性

张蓉; 司风琪; 徐治皋; 桂汉生; 王传奇

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DOI:10.3969/j.issn.1006-4729.2014.03.013

Journal of ShangHai University of Electric Power :2014,30(3):252-255,260

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电站煤粉锅炉炉膛压力的分形特性

张蓉¹, 司风琪¹, 徐治皋¹, 桂汉生², 王传奇²

(1.东南大学;2.马鞍山当涂发电有限公司)

Fractal Characteristics of Pulverized Coal Boiler in Power Plant Furnace Pressure

ZHANG Rong¹, SI Fengqi¹, XU Zhigao¹, GUI Hansheng², WANG Chuanqi²

(1.Southeast University, Nanjing 210096, China;2.Ma'anshan Dangtu Electric Power Co. Ltd., Ma'anshan 243100, China)

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Received:November 11, 2013

中文摘要: 电站煤粉锅炉炉内过程是一个复杂的非线性时变过程,在传统的线性分析基础上引入非线性分析方法具有一定的现实意义.基于分形原理,以某电厂超超临界1 000 MW机组为例,针对电站8种典型工况分别对大量炉膛压力序列进行R/S分析,计算得到炉内压力序列的Hurst指数,分析了炉内压力波动情况与其Hurst指数间的关系,以期为锅炉燃烧优化调整提供有益的指导.

中文关键词: 煤粉炉炉膛压力分形理论燃烧状况

Abstract:The furnace process of pulverized coal boiler is a complex nonlinear process. Based on the fractal theory, taking a 1 000 MW Ultra Supercritical Units as an example, an R/S analysis is made of a large amount of furnace pressure sequence which is classified into 8 typical conditions, the Hurst index is computed, the relationship between the furnace pressure fluctuation and its Hurst index is analysed. These researches could provide useful guidance for the adjustment and optimization of boiler combustion.

keywords: coal-pulverized boiler furnace pressure fractal theory combustion condition

文章编号：20140313 中图分类号： 文献标志码：

基金项目:国家自然科学基金(51176030)

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Author Name	Affiliation	E-mail
ZHANG Rong	Southeast University, Nanjing 210096, China	zhangrongseu@163.com
SI Fengqi	Southeast University, Nanjing 210096, China
XU Zhigao	Southeast University, Nanjing 210096, China
GUI Hansheng	Ma'anshan Dangtu Electric Power Co. Ltd., Ma'anshan 243100, China
WANG Chuanqi	Ma'anshan Dangtu Electric Power Co. Ltd., Ma'anshan 243100, China