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보일러에서 低過剩空氣比 運轉의 效果에 關한 硏究 원문보기
(A) Study on the Effects of Low Excess Air Ratio for a Boiler Operation

  • 저자

    조용수

  • 학위수여기관

    昌原大學校 産業·情報大學院

  • 학위구분

    국내석사

  • 학과

    산업기계공학과 기계공학전공

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    ii, v, 54p.

  • 키워드

    보일러 저과잉공기비 운전;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T9469291&outLink=K  

  • 초록

    According to the development of mechanical technology, the efforts for maximization of a boiler efficiency and maximization of environmental emission have been achieved continuously. It is needed in Korea to make more effort to save energy and secure environment because of the lack of energy resources and high density of population. THis paper is concerned that how much the low excess air ratio in a boiler influences energy saving, environmental emission (especially, No_(x)) and anti-corrosion in order to find reasonable operation methods in a boiler. For this study, the effects of low oxygen operation in a 18.6 MW boiler located in Ulsan city investigated by both of its experiments and simulation program on boiler performance and system modifications for NO_(x) control. As the result, energy saving can be expected about a humdred-thousand dollas per one year, especially NO_(x) emission can be reduced about 40% through excess air ratio variation, 27% by EGR system, about 43% by OAP firing for existing operation method.


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