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논문 기본 정보

자료유형
학술저널
저자정보
Juyoung Ko (Jeju National University) Tae-Hee Kim (Jeju National University) Sooseok Choi (Jeju National University)
저널정보
한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.28 No.4
발행연도
2019.7
수록면
93 - 100 (8page)
DOI
10.5757/ASCT.2019.28.4.93

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초록· 키워드

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Although SF<SUB>6</SUB> gas has been used as insulation in electric power and transmission equipment, it is a very harmful greenhouse gas. SF6 can be injected inside the cement kiln, for pyrolysis and safe conversion, during cement production. As the temperature distribution inside a kiln is not uniform, the pyrolysis and conversion efficiency of SF<SUB>6</SUB> are low. In this study, a kiln reactor combined with thermal plasma torches was applied to develop a high pyrolysis rate for SF<SUB>6</SUB>. A numerical analysis was conducted to investigate the variation of heat flow that thermal plasma causes inside the cement kiln. The simulations were conducted for kilns that did and did not include a thermal plasma torch. The results showed that the average temperature inside the kiln with thermal plasma was relatively low due to the gas-mixing effect of the latter; however, the peripheral temperature was stabilized. In addition, the temperature of the near kiln inlet increased. As a result, it is expected that the internal temperature of a kiln combined with thermal plasma technology will become uniform due to the gas-mixing effect of thermal plasma, and the SF<SUB>6</SUB> pyrolysis efficiency will increase as the temperature of the local region rises.

목차

Abstract
Ⅰ. Introduction
Ⅱ. Experimental details
Ⅲ. Results and discussion
Ⅳ. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-420-001277637