NDLI: Modeling and simulation for boiler combustion control system of 1000MW ultra-supercritical unit

Content Provider	IEEE Xplore Digital Library
Author	Guolian Hou Pengcheng Jiang Xiaobin Zheng Jianhua Zhang
Copyright Year	2014
Description	Author affiliation: Sch. of Control & Comput. Eng., North China Electr. Power Univ., Beijing, China (Guolian Hou; Pengcheng Jiang; Xiaobin Zheng; Jianhua Zhang)
Abstract	Taking the 1000MW ultra-supercritical once-through boiler as a research object, the combustion process of boiler is analyzed through principles of energy transferring, heat exchange, and mass flow balances. Since the complete and accurate model of boiler combustion is the basis of performance study and optimizing control, a mechanism mathematical model of boiler combustion control system is built up in this paper. It is the first time that boiler combustion control system has successfully covered the coal mill pulverizing system, and this model consists of the other three controlled variables subsystems: main steam pressure control system, furnace pressure control system and flue gas oxygen content control system. Furthermore, this paper gives the simulation of the mechanism mathematical model and analyzes the response curves of the outputs after giving each input a step disturbance respectively at two different load conditions. The results of the simulation show that the mathematical model is reasonable and effective.
Starting Page	4042
Ending Page	4047
File Size	188694
Page Count	6
File Format	PDF
ISBN	9781479937073
e-ISBN	9781479937080
DOI	10.1109/CCDC.2014.6852888
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-31
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	combustion control system mechanism mathematical model Furnaces simulation Coal Boilers ultra-supercritical unit Combustion Mathematical model Feeds
Content Type	Text
Resource Type	Article

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