A Combustion-Monitoring System With 3-D Temperature Reconstruction Based on Flame-Image Processing Technique

Based on a flame-image processing technology, a real-time combustion-monitoring system with 3-D temperature reconstruction and visualization installed in a coal-fired furnace of a power plant was reported. A dozen of flame detectors with charge-coupled-device cameras were mounted along the height of...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2007-10, Vol.56 (5), p.1877-1882
Main Authors: Luo, Zixue, Zhou, Huai-Chun
Format: Article
Language:English
Subjects:
01 COAL, LIGNITE, AND PEAT
20 FOSSIL-FUELED POWER PLANTS
3-D temperature visualization
CAMERAS
COAL
Coal-fired power plant boiler
COMBUSTION
COMBUSTION CONTROL
Detectors
Digital cameras
Electric power plants
Fires
flame-image processing
FLAMES
FOSSIL-FUEL POWER PLANTS
Furnaces
IMAGE PROCESSING
Image reconstruction
Instrumentation
MONITORING
Power generation
radiation energy signal (RES)
REAL TIME SYSTEMS
Reconstruction
Temperature
TEMPERATURE DISTRIBUTION
Visualization
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Summary:Based on a flame-image processing technology, a real-time combustion-monitoring system with 3-D temperature reconstruction and visualization installed in a coal-fired furnace of a power plant was reported. A dozen of flame detectors with charge-coupled-device cameras were mounted along the height of the furnace to capture multiple digital flame images. A radiation energy signal (RES) was obtained from the flame images according to Wien's law of radiation. A series of in situ experiments have been done, and the results showed that the flame temperature distribution and the RES are sensitive to change in the combustion of the boiler and can be used to improve the combustion control in practical application.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2007.904489