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Akademický článek
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Since the late 1970s there has been an explosion of industrial and academic interest in circulating fluidized beds. In part, the attention has arisen due to the environmental advantages associated with CFB (circulating. fluidized bed) combustion syst
Autor:
F. Scala, M. Horio, D. Wang, L.-S. Fan, J.S. Dennis, J.R. Grace, C.J. Lim, F. Di Natale, R. Nigro, R. Chirone, P. Salatino, R. Solimene, F. Montagnaro, M. Miccio, F. Miccio, I. Gulyurtlu, F. Pinto, P. Abelha, A.T. Crujeira, H. Lopes, T.M. Knowlton, D. Pallarès, F. Johnsson, A. Gómez-Barea, J.M. Wheeldon, D. Thimsen, B. Leckner, T. Shimizu, W. Nowak, P. Mirek, U. Arena, M. Rüdisüli, T.J. Schildhauer, S.M.A. Biollaz, J.R. van Ommen, E.J. Anthony, H. Hack, A. Lyngfelt, J.C. Abanades, C. Pfeifer, F. Winter, B. Schratzer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58cb39d4c18e19f291b47f252536eaea
https://doi.org/10.1016/b978-0-85709-541-1.50026-1
https://doi.org/10.1016/b978-0-85709-541-1.50026-1
Autor:
T.M. Knowlton
This chapter discusses the scale-up and reactor design of both bubbling/turbulent fluidized beds and circulating fluidized beds. Historical problems in the scale-up of large commercial processes from small unit fluidized beds are first reviewed, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f51de8c69fb31122de5f4f4a6aba2a0f
https://doi.org/10.1533/9780857098801.2.481
https://doi.org/10.1533/9780857098801.2.481
Publikováno v:
Powder Technology. 78:25-32
Inclined, intermittent jets can be used to feed solids into fluidized beds. Most of the injected particles end up near the tip of the jet and can only be dispersed throughout the bed by gas bubbles. It must therefore be ensured that the tip of the in
Publikováno v:
Powder Technology. 78:33-42
Accurate predictions of both the flux and size distribution of the solids entrained above the transport disengaging height of a fluidized bed are necessary. There is no published correlation which accounts for particle agglomeration. No published cor
Publikováno v:
Powder Technology. 78:43-50
When reactive particles which might agglomerate have to be withdrawn quickly from a fluidized bed reactor, intermittent powder discharge reduces the risk of agglomeration by ensuring high turbulence and low residence time in the discharge line. Such
Autor:
T.M. Knowlton, J.G. Findlay
The overall objective of this program is the development of a hydrodynamic model to predict the choking/non-choking flow regime boundary of fine, cohesive (i.e., Geldart Group C) powders. Specific objectives are to: (1) Develop a two-dimensional hydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::231afa296f388c20bf4c0965f732d1f9
https://doi.org/10.2172/10124674
https://doi.org/10.2172/10124674
Publikováno v:
Powder Technology. 47:115-128
In an earlier publication [1], a theory of motion of particulate materials in hopperfed vertical standpipes was developed. It was used to predict the performance of a pipe in response to changes in the restriction imposed by a valve at its lower end,