C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 5/14 (2006.01) C21B 13/00 (2006.01)
Patent
CA 2257492
In a process for the treatment of particulate matter by fluidisation the particulate matter is held and treated in a fluidised bed (2) with the treatment gas flowing from the bottom to the top. To minimise consumption of the treatment gas, and to reduce the entrainment of fines by the treatment gas, particulate matter with a wide ranging grain size distribution and a relative large content of fines is used and the empty pipe flow rate of the treatment gas in the fluidised bed (2) is kept smaller than the flow rate required for the fluidising of the larger particles of the particulate matter.
Dans un procédé permettant de traiter par fluidisation un matériau particulaire, on maintient et on traite ledit matériau dans un lit fluidisé (2) à l'aide d'un gaz de traitement s'écoulant de bas en haut. Afin de minimiser la consommation de gaz de traitement et de réduire l'entraînement des fines par ledit gaz, on traite le matériau particulaire avec une distribution large des grains et un pourcentage relativement élevé de fines, et on maintient le débit du gaz de traitement dans les tuyaux vides du lit fluidisé (2) inférieur à celui nécessaire à la fluidisation des particules plus grosses.
Hauzenberger Franz
Kepplinger Werner-Leopold
Schenk Johannes-Leopold
Wallner Felix
Whipp Roy Hubert Jr.
Swabey Ogilvy Renault
Voest-Alpine Industrieanlagenbau Gmbh
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