대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제38권3호
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  • Pages.128-134
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  • 2016
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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매립가스 발전시설의 가동률 및 발전량에 미치는 주요 영향요소 분석

The Analysis of Main Factors Which Impact on Operation Rate and Power Production of Landfill Gas Power Plant

  • 천승규 (서울과학기술대학교 에너지환경대학원)
  • Chun, Seung-Kyu (Graduate School of Energy & Environment, Seoul National University of Science & Technology)
  • 투고 : 2016.02.10
  • 심사 : 2016.03.07
  • 발행 : 2016.03.31
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초록

S 매립장 매립가스 발전시설을 대상으로 발전량에 미치는 주요 요소와 그 영향도를 분석하였다. 50 MWh 24시간의 정상가동 일수는 2007년부터 2014년까지의 총 운전기간 일수대비 70.9%이었으며, 실제 생산한 전력은 이론적인 최대 발전 가능량 3,428,400 MW의 79.3%이었다. 발전효율에 영향을 미치는 주요 요소는 정기점검 등이 44.0%, 황화수소로 인한 감축운전이 37.4% 그리고 공기예열기 세정 18.6% 순이었다. 그러나 황화수소 감축운전 기간이 2년인 점을 감안하면 고농도 황화수소 발생이 매립가스 발전에 가장 큰 영향을 미치고 있었다. 장기적인 발전 가능량 분석결과 매립종료 해인 2018년 35.9 MWh 이었으며 이후 지속적으로 감소하여 2028년 16.6 MWh, 2038년에는 8.4 MWh 이하가 될 것으로 예측되었다.

An analysis of the main factors and its degree of impact on power production is performed against the landfill gas power plant in S landfill site. The number of normal operation (50 MWh & 24 hr) days was 70.9% to the total number of operation days from 2007 to 2014, and the percentage of the actual power production was 79.3% of 3,428,400 MW which is the theoretical maximum estimation. The ratio of factors that accounted for the efficiency of power production are: 44.0% of repairing of the defect and regular servicing, 37.4% of cut-down operation due to hydrogen sulfide, and 18.6% of air pre-heater washing, respectively. Yet, considering that the cut-down operation due to hydrogen sulfide was carried out for only two years, the high concentration of hydrogen sulfide was the most influential factors on landfill gas power production. The long-term power production was analyzed as 35.9 MWh in 2018, and the constant drop is anticipated, resulting in 16.6 MWh by 2028, and under 8.4 MWh in 2038.

키워드

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