NDLI: A new modelling method for boilers based on three-dimensional combustion monitoring in furnace

Content Provider	IEEE Xplore Digital Library
Author	Yuntao Chu Zhigang Hua
Copyright Year	2008
Description	Author affiliation: China Ship Dev. & Design Center, Wuhan (Yuntao Chu; Zhigang Hua)
Abstract	The non-uniform distributions of two-dimensional radiation flux on the surfaces of water-cooled wall in a furnace are obtained through the three-dimensional flue gas temperature distributions and the furnace radiation energy signals, which are got by a real-time monitoring system for the three-dimensional combustion. By the radiation flux distributions taken as the boundary conditions, a dynamic model for the boiler is established. A simulation is made on a 300 MW power plant boiler. Taking the measured data of the power plant as the inputs of the model, the average wall heat flux, drum pressure and steam mass flow rate at the outlet of the drum are calculated. The simulated results are compared with the measured data, which show the model can well represent the dynamic process of the boiler. The model is expected to be useful for on-line prediction or off-line calculation because of the performance of calculation of important thermodynamic parameter distributions on the water-cooled wall including the wall heat flux, wall temperature, steam content in mass and mass velocity, which provide an important basis to evaluate the security and reliability of power plant boiler.
Starting Page	1319
Ending Page	1323
File Size	257904
Page Count	5
File Format	PDF
ISBN	9781424425020
DOI	10.1109/ICAL.2008.4636357
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-01
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Boiler Temperature distribution Solid modeling Distributed-parameter Furnaces Heating Water heating Boilers Modelling Monitoring Three-dimensional combustion monitoring
Content Type	Text
Resource Type	Article

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