Fluidized bed process intensification using a centrifugal field
Two novel technologies for fluidization in a centrifugal field are presented and experimentally studied. In rotating fluidized beds in a static geometry, the rotational motion and tangential fluidization of the particle bed is generated by the tangential injection of the fluidization gas in the fluidization chamber via multiple gas inlet slots in its outer cylindrical wall. Radial fluidization of the particle bed can also be introduced by forcing the fluidization gas to leave the fluidization chamber via a centrally positioned chimney. Radial fluidization of the particle bed is, however, not necessary to take fully advantage of the improved particle bed uniformity and the higher gas-solid slip velocities at which rotating fluidized beds in a static geometry can be operated. The rotating chimney can be used individually or in combination with any rotating fluidized bed technology. The rotating chimney consists of multiple blades and rotates in the same sense as the rotating particle bed, but at higher rotational speeds, allowing to increase locally, that is, in the vicinity of the chimney,the centrifugal force and preventing particle entrainment by the fluidization gas into the chimney.
fluidization process intensification rotating fluidized bed
J. De Wilde
Dept. Materials & Process Engineering, Université catholique de Louvain,Réaumur, Place Sainte Barbe 2, 1348, Louvain-la-Neuve, Belgium
国际会议
The 12th Asian Pacific Confederation of Chemical Engineering Congress(第十二届亚太化工联盟大会暨化工展览会)
大连
英文
2008-08-04（万方平台首次上网日期，不代表论文的发表时间）