Hydrodynamics and Lateral gas Dispersion in a High-Density Circulating Fluidized Bed Reactor with Bluff Internals

摘要

Effect of bluff internals on the hydrodynamics and lateral gas mixing was studied in a 0.186 m ID high-density riser. With the bluff internals, the extremely non-uniform radial profiles of solid fraction and particle velocity become flat and the dense downflow layer near the wall disappears, indicating the significant enhancement of solid turbulence introduced by the internals.