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경유 화염 연소로에서 왕겨 입자크기에 따른 재연소 효과 비교
신명철(Myungchul Shin),김세원(Sewon Kim),신희동(Huidong Shin),이창엽(Changyeop Lee) 한국연소학회 2011 KOSCOSYMPOSIUM논문집 Vol.- No.42
The object of this paper is to examine the effect of biomass on the reburning method for nitrogen oxide(NOx) reduction. The experimental setup consists of the experimental furnace with a light-oil burner and particle feeder for biomass reburning. The effect of rice husk on the reburning performance is studied experimentally. The experimental ranges of the key parameters are 2~4% of O₂ in the exhaust gas and 200~400 ㎛ of rice husk particles size. Since the NOx reduction rate for all the cases with reburning fuel are higher than 20%, rice husk particles give the positive effect on NOx reduction. In this experiment, NOx reduction rate with 200 ㎛ rice husk particles is found to be 42% lower than the case that isn’t used reburing fuel. It is recommended that 200 ㎛ rice husk particles on the 25% reburn fuel fraction can be the best candidate for NOx reduction performance in the present conditions.