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기체유동층에서 입자비산속도에 관한 상관식
A Correlation of Particle Entrainment Rate in Gas Fluidized Beds
HWAHAK KONGHAK, April 1998, 36(2), 267-274(8), NONE
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Abstract
기존에 보고된 입자비산속도에 관한 측정값을 기반으로 하여 기포유동층과 순환유동층의 프리보드 기체출구에서 입자비산속도를 예측할 수 있는 일반화된 모델 상관식을 제시하였다. 기체유속, 유동층직경 및 높이, 고체 및 기체의 물성이 변수로 고려되었다. 제시된 상관식에 의한 예측값은 상온 및 고온의 기포유동층과 순환유동층에서 측정된 결과와 넓은 조업조건에서 만족스러운 일치를 보였다.
Generalized model correlations which can be used to predict the particle entrainment rate at the freeboard gas exit of bubbling and circulating fluidized beds have been proposed on the basis of previously measured entrainment rates. Gas velocity, column diameter, column height, properties of solid and gas were considered as variables. Particle entrainment rates predicted from proposed correlations agreed satisfactorily with values measured in cold- and hot-model bubbling fluidized beds and with values measured in circulating fluidized beds over the wide range of operating condition.
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Hartge EU, Rensber D, Werther J, Circulating Fluidized Bed Technology II, Basu, P. and Large, J.F., Eds., Pergamon, Oxford, U.K., 165 (1988)
Horio M, Morishita K, Tachibana O, Murata M, Circulating Fluidized Bed Technology II, Basu, P. and Large, J.F., Eds. Pergamon, Oxford, 147 (1988)
Bi HT, Jin Y, Yu ZQ, Bai DR, Fluidization VI, Grace, J.R., Shemilt, L.W. and Bergounou, M.A., Eds., Engineering Foundation, New York, 701 (1989)
Louge M, Chang H, Powder Technol., 60, 197 (1990)
Ouyang S, Lin J, Potter OE, Powder Technol., 74, 73 (1993)
Cho YJ, Namkung W, Kim SD, Park SW, J. Chem. Eng. Jpn., 27(2), 158 (1994)
Choi JH, Son JE, Kim SD, J. Chem. Eng. Jpn., 22(6), 597 (1989)
Wen CY, Chen LH, AIChE J., 28, 117 (1982)
Choi JH, Ma SC, Shun DW, Son JE, Kim SD, HWAHAK KONGHAK, 35(2), 300 (1997)
Hazlett JD, Bergougnou MA, Powder Technol., 70, 99 (1992)
Kunii D, Levenspiel O, "Fluidization Engineering," Chapters 7-8, 2nd ed., Butterworth-Heinemann, Boston, 165 (1991)
Choi JH, Kim KJ, Kim P, HWAHAK KONGHAK, 32(3), 489 (1994)
Choi JH, Choi KB, Kim P, Shun DW, Kim SD, HWAHAK KONGHAK, 33(5), 580 (1995)
Ryu HJ, Choi JH, HWAHAK KONGHAK, 35(2), 173 (1997)
George SE, Grace JR, Can. J. Chem. Eng., 59, 279 (1981)
Gugnoni RJ, Zenz FA, Fluidization, edited by Grace, J.R. and Matsen, J.N., Plenum Press, New York, 501 (1980)
Li Y, Kwauk M, Fluidization, edited by Grace, J.R. and Matsen, J.M., Plenum Press, New York, 537 (1980)
Arena U, Cammarota A, Pistone L, Circulating Fluidized Bed Technology, edited by Basu, P., Pergamon Press, Oxford, U.K., 119 (1985)
Yerushalmi J, Avidan A, Fluidization, 2nd ed., edited by Davidson, J.F,. Clift, R. and Harrison, D., Academic Press, New York, 225 (1985)
Hartge EU, Li Y, Werther J, Circulating Fluidized Bed Technology, edited by Basu, P., Pergamon Press, Toronto, Ont., 153 (1986)
Kato K, Shibasaki H, Tamura K, Wang C, Takarada T, Fluidization '87: Korea and Japan Proc. 1st Korea-japan Symp. on Fluidization, Panghan Pub. Co., Seoul, 229 (1987)
Bader R, Findley J, Knowlton TM, Circulating Fluidized Bed Technology II, edited by Basu, P. and Large, J.F., Pergamon Press, Oxford, U.K., 123 (1988)
Li J, tung Y, Kwauk M, Circulating Fluidized Bed Technology II, edited by Basu, P. and Large, J.F., Pergamon Press, Oxford, U.K., 193 (1988)
Herb B, Tuzla K, Chen JC, Fluidization VI, edited by Grace, J.R., Shemilt, L.W. and Bergougnou, M.A., Engineering Foundation, New York, 65 (1989)
Rhodes MJ, Geldart D, Chem. Eng. Res. Des., 67, 20 (1989)
Kato K, Takarada T, Tamura T, Nishino K, Circulating Fluidized Bed Technology III, edited by Basu, P., Horio, M. and Hasatami, M., Pergamon Press, Oxford, 145 (1990)
Arena U, Malandrino A, Marzocchella A, Massimilla L, Circulating Fluidized Bed Technology III, edited by Basu, P., Horio, M. and Hasatani, M., Pergamon Press, Oxford, U.K., 137 (1991)
Grewal NS, Maurer RD, Fox W, Proc. of Int. Conf. on Fluidized Bed Combustion, edited by Anthony, E.J. and Canmet, ASME, New York, 317 (1991)
Bai DR, Jin Y, Yu ZQ, Zhu JX, Powder Technol., 71, 51 (1992)
Wong R, Pugsley T, Berruti F, Chem. Eng. Sci., 47, 2301 (1992)
Adanez J, Gayan P, Garcialabiano F, Dediego LF, Powder Technol., 81(3), 259 (1994)
Jiang PJ, Bi HT, Liang SC, Fan LS, AIChE J., 40(2), 193 (1994)
Namkung W, Cho YJ, Kim SD, HWAHAK KONGHAK, 32(2), 241 (1994)
Yagi S, Aochi T, Paper Presented at Soc. Chem. Engrs. (Japan) Spring Meeting (1955)
Zenz FA, Weil NA, AIChE J., 4, 472 (1958)
Wen CY, Hashinger RF, AIChE J., 6, 220 (1960)
Tanaka I, Shinohara H, Hirosue H, Tanaka Y, J. Chem. Eng. Jpn., 5, 51 (1972)
Merrick D, Highley J, AIChE Symp. Ser., 70(137), 366 (1974)
Geldart D, Cullinan J, Georghiades S, Gilvray D, Pope DJ, Trans. IChemE, 57, 269 (1979)
Wen CY, Chen LH, AIChE J., 28, 117 (1982)
Kato K, Tajima T, Maa M, Iwamoto H, Fluidization '85, Science and Technology, 136 (1985)
Yerushalmi J, Turner DH, Squires AM, Ind. Eng. Chem. Process Des. Dev., 15, 47 (1976)
Weinstein H, Graff RA, Meller M, Shao MJ, Fluidization, Kunii, D. and Toei, R., Eds., Engineering Foundation, New York, 299 (1984)
Yang GL, Huang Z, Zhao LZ, Fluidization, Kunii, D. and Toei, R., Eds., Engineering Foundation, New York, 145 (1984)
Rhodes MJ, Ph.D. Thesis, University of Bradford (1986)
Hartge EU, Rensber D, Werther J, Circulating Fluidized Bed Technology II, Basu, P. and Large, J.F., Eds., Pergamon, Oxford, U.K., 165 (1988)
Horio M, Morishita K, Tachibana O, Murata M, Circulating Fluidized Bed Technology II, Basu, P. and Large, J.F., Eds. Pergamon, Oxford, 147 (1988)
Bi HT, Jin Y, Yu ZQ, Bai DR, Fluidization VI, Grace, J.R., Shemilt, L.W. and Bergounou, M.A., Eds., Engineering Foundation, New York, 701 (1989)
Louge M, Chang H, Powder Technol., 60, 197 (1990)
Ouyang S, Lin J, Potter OE, Powder Technol., 74, 73 (1993)
Cho YJ, Namkung W, Kim SD, Park SW, J. Chem. Eng. Jpn., 27(2), 158 (1994)
