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1 ton steam/hr 수관식 보일러에서의 합성가스 혼합 연소 특성 연구
최신영(Sin-Young Choi),양동진(Dong-Jin Yang),방병열(Byung-ryul Bang),양원(Won Yang) 한국연소학회 2009 KOSCOSYMPOSIUM논문집 Vol.- No.39
Combustion characteristics of co-combustion of heavy-oil fuel and syngas was investigated by measuring the temperature and gas-species such as CO, NOx, and O₂ in a water tube boiler furnace. Syngas was made up by mixing H₂ and CO in a small mixing chamber to maintain the desired concentrations. Experiments were performed in the condition of 600,000kcal/h heat capacity and 4% O₂ concentration at the exit of the furnace. Though only one experimental case was done in the co-combustion experiments, outstanding effect of adding the syngas as a auxiliary fuel is that the NOx concentration decreases and CO concentration increases because of temperature rising in the furnace and this result is same as the basic conflicting combustion characteristics of NOx and CO due to temperature rising or decreasing.