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논문 기본 정보

자료유형
학술저널
저자정보
Kwang-Deuk Kim (Korea Institute of Energy Research) Naim Hasolli (Korea Institute of Energy Research) Kang-San Lee (Korea Institute of Energy Research) Jae-Rang Lee (Korea Institute of Energy Research) Young-Ok Park (Korea Institute of Energy Research)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제35권 제2호
발행연도
2019.4
수록면
282 - 293 (12page)
DOI
10.5572/KOSAE.2019.35.2.282

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초록· 키워드

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Fugitive fine coal particulate is emitted from fuel coal transportation and handling plants at coal fired power plants. Fine coal particulate is emitted as result of the coal processing before feeding it to the combustor for generation of steam. Other particles such as bottom ash and fly ash are emitted from coal combutors. Most of coal fired power plants are applying various technologies, bag filtration and wet scrubbing, to remove the fugitive fine coal particulates. A two-stage vortex scrubber is proposed in this paper. Tests were performed by injecting fly ash particles as a test dust. The vortex scrubber was operated in two modes: no-drain and continuous water drain mode. The system pressure drop was controlled using a flow control unit to operate the scrubber at certain test parameters. The inlet particle concentration maintained at three levels of 0.17, 0.23 and 0.33 g/m³. The particle concentrations were measured at the inlet and outlet of the scrubber. The results shown the high particle collection effieicies with 83.6% for PM₁, 97.6% for PM<SUB>2.5</SUB> and 99.1% for PM<SUB>10</SUB> at pressure drop of 230 mmAq and operated in the continuous water drain mode. For the purpose of water-air interface visualization, computational fluid dynamics (CFD) tool Fluent was used. Integral module of the Fluent, called Volume of Fluid (VoF), was used to simulate the two phase system in the water batch drain operation mode.

목차

Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. CFD Simulation Results
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-539-000680585