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出口收集器 Outlet Collector

产品时间:2021-01-04 23:09

简要描述:

出口收集器是个帽状部件,顶部有圆孔,侧壁有长孔,覆盖不锈钢网。其作用主要是阻止反应器底部的瓷球从出口漏出,并导出流体。反应器底部的出口收集器,用于支撑下部的催化剂...

详细介绍
出口收集器是个帽状部件,顶部有圆孔,侧壁有长孔,覆盖不锈钢网。其作用主要是阻止反应器底部的瓷球从出口漏出,并导出流体。反应器底部的出口收集器,用于支撑下部的催化剂床层,减小床层的压降和改善反应物料的分配。出口收集器与下端封头接触的下沿开有数个缺口,供停工时排液用。 
Outlet collector is collecting the flow from the reactor towards the outlet vessel nozzle.In standard down flow pattern, the outlet collector is either hidden in a immerged ball bed filling the bottom part of the reactor, or underneath a support grid where it distributes or collects flow. In the later, it can also be designed as a safety retention device in case of catalyst leakage.Several shapes are considered depending upon bottom vessel head, process conditions, and fluid
dynamics: cylindrical shape is the most common but conical or hemispherical are also applicable.Catalyst unloading nozzles or vessel opening for cleaning the outlet collector are common requirementsthat impact design of outlet collector. Controlled open area or deflectors are design features allowing better upstream flow: purpose is to have it as uniform as possible.

 

 


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