Full-scale study on halloysite fireside additive in 230 t/h pulverized coal utility boiler

Sylwester Kalisz, Szymon Ciukaj, Kazimierz Mroczek, Mateusz Tymoszuk, Robert Wejkowski, Marek Pronobis and Henryk Kubiczek

Energy, 2015, vol. 92, issue P1, 33-39

Abstract: The paper presents slagging and fouling properties of ashes when hard coal was fired in a pulverized coal-fired boiler (230 t/h capacity) and the change of fouling indices of resulting fly ash when halloysite fireside additive was used. During reported full-scale study the pulverized coal-fired boiler was fired with hard coal with the addition of pulverized halloysite injected directly into furnace through the designed spray-nozzles in the upper part of boiler furnace. Chemical analysis of fuel properties and collected from the ESP (electrostatic precipitator) fly ash samples was carried out to obtain the following information:•determine chemical properties of coal and its ash produced during combustion in order to determine its propensity for slagging versus reference study conducted without the use of additive•identify the slagging and fouling indicators when halloysite additive was used.

Keywords: Halloysite; Fireside additive; PC boiler; Slagging; Fouling (search for similar items in EconPapers)
Date: 2015
References: View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:92:y:2015:i:p1:p:33-39

DOI: 10.1016/j.energy.2015.03.062

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