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MCFC 용 Steam Reformer 개질성능 분석 및 운전평가
서혜경(Hai Kung Seo),고준호(Joon Ho Koh),임희천(Hee Chun Lim) 한국수소및신에너지학회 2000 한국수소 및 신에너지학회논문집 Vol.11 No.4
This paper is concerned with the performence of a steam reformer for 25kW class MCFC, which is compared with the theoretically calculated results at various operating conditions. The theoretical H₂ production amount and CH₄ conversion rate are calculated with variations of temperature and steam/carbon (S/C) ratio using fortran program, and the actual values are measured from flowmeter and gas chromatography. As a result of the comparison of theoretical and actual values, the theoretical Ha production amount is calculated by 24.4m³/hr at the normal operating condition(LNG 9m³/hr, S/C ratio 5, absolute pressure 2.77kg/m², 610℃), but the actual production amount is only 19.4m³/hr, which is 79.5% of the theoretical value. Nevertheless, at the normal operating condition, the reformer for 25kW class MCFC performed well for a 2,100 hr long run operation, constantly producing H₂.