The study of control of carbon content in fly ash in ultra-supercritical opposed boiler basing on non-linear method

The study of control of carbon content in fly ash in ultra-supercritical opposed boiler basing on non-linear method

High carbon content in fly ash seriously affects boiler's economical operation. Due to supercritical boiler's high thermal capacity, the inertia of thermal parameter reflecting combustion is bigger. It is especially important to well control carbon content in fly ash during operation. In t...

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Hauptverfasser: Jianchen Hu, Kaihua Xu, Dingping Liu
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Sprache:eng
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Atmospheric modeling
Boilers
Carbon
carbon content in fly ash
Coal
Combustion
Fly ash
Gallium
LSSVM
Opposed boiler
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Kaihua Xu
Dingping Liu
description High carbon content in fly ash seriously affects boiler's economical operation. Due to supercritical boiler's high thermal capacity, the inertia of thermal parameter reflecting combustion is bigger. It is especially important to well control carbon content in fly ash during operation. In this article, based on the analyzing influence factors to the carbon content in Fly Ash, the Least Square Support Vector Machine (LSSVM) is applied to build the Control model of carbon content in fly ash. Also Genetic Algorithm (GA) is used to optimize the model under different operating conditions. The optimized secondary air distribution opening adjustment is obtained, which have guiding function in boiler's site operation.
doi_str_mv 10.1109/CECNET.2011.5769210
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Due to supercritical boiler's high thermal capacity, the inertia of thermal parameter reflecting combustion is bigger. It is especially important to well control carbon content in fly ash during operation. In this article, based on the analyzing influence factors to the carbon content in Fly Ash, the Least Square Support Vector Machine (LSSVM) is applied to build the Control model of carbon content in fly ash. Also Genetic Algorithm (GA) is used to optimize the model under different operating conditions. The optimized secondary air distribution opening adjustment is obtained, which have guiding function in boiler's site operation.</abstract><pub>IEEE</pub><doi>10.1109/CECNET.2011.5769210</doi><tpages>4</tpages></addata></record>
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Atmospheric modeling
Boilers
Carbon
carbon content in fly ash
Coal
Combustion
Fly ash
Gallium
LSSVM
Opposed boiler
title The study of control of carbon content in fly ash in ultra-supercritical opposed boiler basing on non-linear method
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