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    • 8. 发明授权
    • Catalyst regeneration apparatus
    • 催化剂再生装置
    • US4340566A
    • 1982-07-20
    • US239814
    • 1981-03-02
    • Gregory J. ThompsonAnthony G. Vickers
    • Gregory J. ThompsonAnthony G. Vickers
    • B01J8/18B01J8/26B01J21/20B01J23/90B01J29/90B01J37/14C10G11/18B01J8/32B01J8/44F27B15/08F27B15/10
    • C10G11/182B01J21/20B01J23/90B01J29/90B01J37/14B01J8/1818B01J8/26Y02P30/446
    • A catalyst regeneration apparatus for the oxidation of coke from a spent catalyst, said coke being converted to CO, and for the conversion of the CO to CO.sub.2. Hot regenerated catalyst is recycled from a dense bed in the regeneration zone to mix with incoming spent catalyst in a mixer zone. The mixer zone operates in dense phase and is supplied with a relatively small amount of a fluidizing medium, preferably air. After the mixing of spent and fresh catalyst is substantially completed, a relatively large amount of a regenerating gas, preferably air, is admixed with the catalyst mixture, and some coke oxidation occurs. The balance of coke oxidation takes place in a downstream-situated regeneration zone of substantially conventional design. There is a transfer section connecting the mixer zone to the regeneration zone through when the relatively large amount of the regenerating gas is admitted. The transfer section is preferably a substantially horizontal surface having an outside perimeter intermediate the outside perimeters of the regeneration and mixer zones. Regeneration gas addition is made through multiple perforations in the transfer section.
    • 一种用于从废催化剂氧化焦炭的催化剂再生装置,所述焦炭转化为CO,并将CO转化为CO 2。 热再生催化剂从再生区中的致密床再循环,以在混合区中与进入的废催化剂混合。 混合器区域以密相工作,并且供应相对少量的流化介质,优选空气。 在废旧催化剂的混合基本上完成之后,将相当大量的再生气体,优选空气与催化剂混合物混合,并发生一些焦炭氧化。 焦炭氧化的平衡发生在基本上常规设计的位于下游的再生区中。 当相当大量的再生气体被允许时,存在将混合器区域连接到再生区域的转移段。 传送部优选地是具有在再生和混合区之外的周边的中间的大致水平的表面。 通过转印部分中的多个穿孔进行再生气体添加。