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The Coal Tech Advanced Cyclone Combustor Demonstration Project: A DOE assessment

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The objective of this project was to demonstrate a technology for retrofitting oil/gas designed boilers, and conventional pulverized coal-fired boilers, by using the patented air-cooled slagging coal combustor in place of oil/gas/coal burners. The project aimed to utilize coals with a wide range of sulfur contents and to achieve efficient combustion under fuel-rich conditions. The three performance goals of the combustor were to limit emissions of SO{sub 2} and NO{sub x}, while maintaining maximum sulfur retention in the slag removed from the combustor. A slagging cyclone combustor is a high-temperature device in which a high-velocity swirling gas is used to burn crushed or pulverized coal. The key novel feature of this combustor is the use of air cooling. This is accomplished by using a ceramic liner which is cooled by secondary air and maintained at a temperature high enough to keep the slag in a liquid, free-flowing state. The arrangement also promotes slag retention in the combustor, an important feature for retrofitting in boilers designed for oil/gas.

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Last Updated September 29, 2016, 16:45 (LMT)
Created September 29, 2016, 16:45 (LMT)
Citation Roy Long, The Coal Tech Advanced Cyclone Combustor Demonstration Project: A DOE assessment, 2016-09-29, https://edx.netl.doe.gov/dataset/the-coal-tech-advanced-cyclone-combustor-demonstration-project-a-doe-assessment
Netl Product yes
Poc Email Roy.long@netl.doe.gov
Point Of Contact Roy Long
Program Or Project KMD
Publication Date 1993-5-1