Research Papers

Introduction of a New Three-Way Swirling Combustion Technology With Air Curtain Insulation Effect for Solid Waste

[+] Author and Article Information
Kangil Choe

Industry-Academy Cooperation Foundation,
Sang Myung University,
20 Hongjimun 2-gil, R#305-2,
Seoul 03016, Korea
e-mail: kchrischoe@gmail.com

Jaeou Chae

Chair Professor
Industry-Academy Cooperation Foundation,
Sang Myung University,
20 Hongjimun 2-gil, R#305-2,
Seoul 03016, Korea
e-mail: chaejaeou@gmail.com

Woon Yong Cheah

Industry-Academy Cooperation Foundation,
Sang Myung University,
20 Hongjimun 2-gil, R#305-2,
Seoul 03016, Korea
e-mail: wycheah@hanmail.net

Sangkwon Na

Teheran-ro 440, POSCO Center 135-777,
Seoul 06194, Korea
e-mail: sk.na@posco.com

1Corresponding author.

Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received November 14, 2017; final manuscript received February 28, 2018; published online June 22, 2018. Assoc. Editor: Matthew Oehlschlaeger.

J. Thermal Sci. Eng. Appl 10(4), 041021 (Jun 22, 2018) (8 pages) Paper No: TSEA-17-1439; doi: 10.1115/1.4039928 History: Received November 14, 2017; Revised February 28, 2018

In order to improve low combustion efficiency of typical incinerators like a stoker type, a new unique cyclone combustor, three-way swirling combustion (TSC), is being introduced through a commercial scale pilot plant experiment for refused plastic fuel (RPF). TSC provides air curtain insulation, substituting the refractory brick and lowering the generation of flying ash, for clinker prevention at the boiler. Its excellent emission measurement has also been reported. Through the study of three-dimensionless numbers (swirl number, Strouhal number, and Reynolds number) and previous researches conducted on cyclone combustors, their design criteria—geometrical and operational parameters—has been identified and suggested for future designs.

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Fig. 1

Schematic diagram of TSC combustor with air flow visualization

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Fig. 2

Layout of TSC plant for experiment

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Fig. 3

System control and instrumentation for flow, pressure, and weight measurement

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Fig. 4

Instrumentation for temperature measurement

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Fig. 5

Combustion temperature measurement by change of amount of fuel feeding

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Fig. 6

Exhaust gas measurements by change of amount of fuel feeding

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Fig. 7

Variation of nondimensionalized frequency parameter with Reynolds' number—isothermal state [9]



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