Prismatic spouted beds

Fig. 4.6 Expansion ofthe prismatic spouted beds of Fig. 4.5 for (a) bottom spray and (b) top spray...

Fig. 4.7 Prismatic spouted beds with adjustable gas inlet, (a) Equipment with central particle fountain without liquid spraying (b) Equipment with gas jets at the sides and top spray.

Tab. 4.2 Correlations for the determination of the minimally required gas volume flow rate in prismatic spouted beds.

Tab. 4.4 Correlations for the determination of bed pressure drop during stable operation in conical, conical-cylindrical, and prismatic spouted beds.

Fig. 4.13 Working diagram forthe determination ofthe stable operation regionsof different types of spouted beds according to G czka (2009). Between A and B Conventional spouted beds (Mitev, 1979) Cto D Prismatic spouted bed with two parallel gas entrances...

Piskova, 2002) E to F Conical-cylindrical spouted beds (Olazar et o/., 1993) C to H Prismatic spouted bed with one gas entrance (Mitev, 1979) I toj Prismatic ProCell unit with two gas entrances (Cryczka, 2009), same data as in Fig. 4.12. 

Salikov V, Antonyuk S, Heinrich S, Sutkar VS, Deen NG, Kuipers JAM Characterization and CFD-DEM modelling of a prismatic spouted bed, Powder Technol 270(Part B) 622-636, 2015. 

Fig. 4.5 Prismatic, dual-gas-entrance spouted beds which are symmetric aside their middle plane, (a) Equipmentwith central fountain ofparticlesaccordingto Mitev (1979) (b) Equipmentwith gas jets and ascending particles at the sides according to Mitev (1979) and Piskova (2002).

In order to reliably design spouted bed equipment for practical application, the following three quantities must be known, depending on the specific configuration, for example, cylindrical or prismatic ... 

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