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["UOP непререряемый重整再生器采用圆锥形内网的作用",,"Что такое роль UOP непрероряеммого重整再生器采用圆锥形内网的作用?",,"Внутри регенератора имеется двухслойная структура约翰逊筛网,内层网为倒梯形,其主要目的是:一是在床层顶部烧焦受氧含量的限制,减少顶层高温、高水、低氧烧焦区的待生催化剂停留时间,有利于减少催化剂比表面的损失。二是低床层烧焦受氧气扩散的限制,加大该区催化剂停留时间,确保催化剂进入氯化区前烧焦完全。"]

2019-05-29View Original

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UOP连续重整再生器采用锥形内网的作用是什么?
Reply #22019-05-31
再生器内部是两层约翰逊筛网结构,内层网为倒梯形,其主要目的:一是在床层顶部烧焦受氧含量的限制,减少顶层高温、高水、低氧烧焦区的待生催化剂停留时间,有利于减少催化剂比表面的损失。二是低床层烧焦受氧气扩散的限制,加大该区催化剂停留时间,确保催化剂进入氯化区前烧焦完全。

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