[HTML][HTML] Fouling monitoring in a circulating fluidized bed boiler using direct and indirect model-based analytics

E Ikonen, M Liukkonen, AH Hansen, M Edelborg… - Fuel, 2023 - Elsevier
Fouling is a phenomenon where material accumulates on the exterior of convective heat
exchangers (HX) and other surfaces. In boilers fired by waste-derived or biomass fuels …

On-line monitoring of ash fouling and soot-blowing optimization for convective heat exchanger in coal-fired power plant boiler

Y Shi, J Wang, Z Liu - Applied thermal engineering, 2015 - Elsevier
This paper presented a comprehensive approach of on-line monitoring and optimization for
the soot-blowing system in coal-fired power plant boilers. Due to ash fouling monitoring of …

Ash fouling monitoring and soot-blow optimization for reheater in thermal power plant

SA Kumari, S Srinivasan - Applied Thermal Engineering, 2019 - Elsevier
The paper investigates a comprehensive approach for ash fouling monitoring and an
optimized soot-blow mechanism for a thermal power plant reheater. A dynamic nonlinear …

Extended Kalman filter for fouling detection in thermal power plant reheater

AK Sivathanu, S Subramanian - Control Engineering Practice, 2018 - Elsevier
A model based on-line foul monitoring approach for a power plant reheater is proposed.
Dual Extended Kalman Filter (DEKF) is designed to estimate the model parameters that …

Numerical model of a steam superheater with a complex shape of the tube cross section using Control Volume based Finite Element Method

P Madejski, D Taler, J Taler - Energy conversion and management, 2016 - Elsevier
In modern utility boilers, characterized by high values of steam pressure and temperature,
the individual superheater stages and also the individual passes are made of different low …

Soot blowing optimization for frequency in economizers to improve boiler performance in coal-fired power plant

Y Shi, Q Li, J Wen, F Cui, X Pang, J Jia, J Zeng, J Wang - Energies, 2019 - mdpi.com
Because of the present ineffective method of soot blowing on a boiler's heating surface in a
coal-fired power plant, and to improve the economic benefit of the boiler in the power plant …

Heat transfer efficiency prediction of coal-fired power plant boiler based on CEEMDAN-NAR considering ash fouling

Y Shi, M Li, J Wen, Y Yang, F Cui, J Zeng - Energies, 2021 - mdpi.com
Ash fouling has been an important factor in reducing the heat transfer efficiency and safety of
the coal-fired power plant boilers. Scientific and accurate prediction of ash fouling of heat …

Optimization of sootblowing frequency to improve boiler performance and reduce combustion pollution

L Pattanayak, SPK Ayyagari, JN Sahu - Clean Technologies and …, 2015 - Springer
In a conventional coal-fired boiler combustion of coal causes buildup of soot, ash, and slag
in the heat transfer surfaces, which reduces the heat transfer as well as operating efficiency …

An optimization study on soot-blowing of air preheaters in coal-fired power plant boilers

Y Shi, J Wen, F Cui, J Wang - Energies, 2019 - mdpi.com
This paper presents a comprehensive approach for optimization of soot-blowing of air
preheaters in a coal-fired power plant boiler. In the method, modeling of the cleanliness …

Analysis of thermal resistance evolution of ash deposits during co-firing of coal with biomass and coal mine waste residues

B Peña, C Bartolomé, A Gil - Fuel, 2017 - Elsevier
Co-firing biomass or waste fuels with coal in conventional thermal plants is a promising way
to reduce environmental impact of human activities with an acceptable economic …