Under the same spouting condition, the height of dense-phase spouted fluidizing zone and the bed pressure caused by forward nozzles is higher than those caused by angled nozzles.

• 采用不同的喷口结构时，在相同的载料量下，直向喷口的密相喷动区高度更大，而且床内各测点的平均压力大于采用斜向喷口时的相应测点压力。