Patent ID: 6898869
Filing Date: 2005-05-31
Classification: B01J

Abstract:
1. Device for treating particulate material, having a process chamber for accommodating and for treating a material, said process chamber having a bottom being composed of baffle plates which overlap one another and between which baffle plates slots are formed, via which slots a process air can be introduced with an essentially horizontal component movement into said process chamber, said slots being arranged in such a way that two flows directed towards one another are produced, these two flows meeting one another along a breaking-up zone and being deflected into a flow directed vertically upwards, wherein said baffle plates are designed as annular plates, so that circular slots are formed, and said annular plates are placed in such a way that a radially outer, first flow, directed from outside to inside, of said process air passing through and a radially inner, second flow, directed from inside to outside, of process air passing through are formed, said two opposed flows meeting one another along a circular breaking-up zone.