Four flow regime as packed bed, spouting-moving bed, spouted bed with pulsation and slugging bed are observed when auxiliary and spouting gas velocities are changed into different levels.

• 随着辅助气速和喷动气速的改变,可观察到床中粒子处于固定床、稳定喷动床、脉动喷动床、腾涌床四种不同的流动状态。