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Received March 9, 2009
Accepted March 26, 2009
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선택적 고체순환을 위한 2탑 유동층 시스템에서 고체분리속도에 미치는 조업변수들의 영향
Effects of Operating Variables on Solid Separation Rate in Two-interconnected Fluidized Beds System for Selective Solid Circulation
1한국에너지기술연구원 온실가스연구단, 305-343 대전시 유성구 장동 71-2 2충북대학교 공업화학과, 361-763 충북 청주시 흥덕구 성봉로 410
1Greenhouse Gas Research Center, Korea Institute of Energy Research, 71-2, Jang-dong, Yuseong-gu, Daejeon 305-343, Korea 2Department of Industrial Engineering Chemistry, Chungbuk National University, 410 Sungbong-ro, Heungduk-gu, Cheong-ju, Chungbuk 361-763, Korea
Korean Chemical Engineering Research, June 2009, 47(3), 355-361(7), NONE Epub 29 June 2009
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Abstract
선택적 고체순환을 위한 2탑 유동층 공정에서 고체분리기에 의한 고체분리속도에 미치는 조업변수들의 영향을 측정 및 고찰하였다. 본 연구에서 개발한 고체분리기를 이용하여 굵은입자(212~300 또는 425~600 μm)와 고운입자(63~106 μm)의 분리가 가능하였으며 고체분리속도는 66~987 g/min의 범위를 나타내었다. 고체분리속도는 고체분사노즐의 유속, 고체층 높이, 고체분사노즐의 직경, 고운입자와 굵은입자의 입자크기 차이, 고체분리기 금속망 간극크기 및 혼합입자 중 고운입자의 무게분율이 증가함에 따라 증가하였으며 유동화 속도의 영향은 크지 않았다.
Effects of operating variables on solid separation rate in two-interconnected fluidized beds system for selective solid circulation have been investigated. Coarse(212~300 or 425~600 μm) and fine(63~106 μm) particles were separated using the solid separator and the solid separation rate was ranged from 66 to 987 g/min. The solid separation rate increased as the gas velocity through the solid injection nozzle, solid height, diameter of solid injection nozzle, particle size of coarse particles, aperture of the solid separator, and weight fraction of fines in the solid mixture increased. However, the effect of the fluidization velocity was negligible.
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References
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Ryu HJ, Park YC, Lee SY, Kim HK, Korean Chem. Eng. Res., 47(2), 195 (2009)
Ryu HJ, Trans. of the Korean Hydrogen and New Energy Society, 18, 382 (2007)
Ryu HJ, Yi CK, Shun D, Jin GT, Theories and Applications of Chem. Eng., KIChE, 14, 294 (2008)
Cobden PD, van Beurden P, Reijers HTJ, Elzinga GD, Kluiters SCA, Dijkstra JW, Jansen D, van den Brink RW, Int. J. of Greenhouse Gas Control, 1, 170 (2007)
Lee KB, Verdooren A, Caram HS, Sircar S, J. Colloid Interface Sci., 308(1), 30 (2007)
Ryu HJ, Park YC, Lee SY, Kim HK, Korean Chem. Eng. Res., 47(2), 195 (2009)
Ryu HJ, Park YC, Jo SH, Park MH, Korean J. Chem. Eng., 25(5), 1178 (2008)
Ryu HJ, Park JH, Kim HK, Park MH, Korean Chem. Eng. Res., 46(6), 1057 (2008)
Ryu HJ, Park YC, Lee SY, Kim HK, Korean Chem. Eng. Res., 47(2), 195 (2009)
