用发泡介质进行气-液两相高压反应的反应器

文档序号:722597 发布日期:2021-04-16 浏览:14次 >En<

阅读说明:本技术 用发泡介质进行气-液两相高压反应的反应器 (Reactor for gas-liquid two-phase high-pressure reaction by foaming medium ) 是由 O·贝 P·策纳 M·艾克 R·帕切洛 M·施尔维斯 M·豪布纳 G·威格纳 G·特本 于 2019-09-03 设计创作,主要内容包括:一种用发泡介质进行气/液两相高压反应的反应器,其包含由圆柱形的垂直取向的细长壳体、底部和顶盖形成的内部,其中所述内部被内件划分成反混区和限制反混区,其中反混区和限制反混区可被反应混合物依次穿过,其中反混区包含用于引入气体和液体的装置和气体出口,还包含选自搅拌器、射流喷嘴和气体注入装置的至少一个混合装置,且限制反混区包含反应产物出口;第一圆柱形内部件,其在内部在反应器的纵向上延伸并将限制反混区与反混区分界;布置在限制反混区中的无规则填料、规整填料或液体可渗透托盘形式的防反混的第二内部件;和上升管,其下端布置在反混区内且其上端通入限制反混区以使来自反混区的液体可经由上升管上升到限制反混区,其中进入限制反混区的流从下方进入。配置所述反应器以使高压反应空间得到最优利用并基本避免后处理步骤或安排在高压反应下游的后续反应被泡沫污染。本发明进一步涉及在所述反应器中进行连续气/液两相高压反应的方法。(A reactor for gas/liquid two-phase high-pressure reactions with a foaming medium, comprising an interior formed by a cylindrical, vertically oriented, elongated shell, a bottom and a top, wherein the interior is divided by internals into a back-mixing zone and a restricted back-mixing zone, wherein the back-mixing zone and the restricted back-mixing zone are passable through in succession by the reaction mixture, wherein the back-mixing zone comprises means for introducing gas and liquid and a gas outlet, further comprising at least one mixing device selected from the group consisting of stirrers, jet nozzles and gas injection means, and the restricted back-mixing zone comprises a reaction product outlet; a first cylindrical inner member extending internally in the longitudinal direction of the reactor and delimiting a restricted back-mixing zone from the back-mixing zone; a second inner anti-back-mixing component in the form of random packing, structured packing or liquid permeable trays disposed in the restricted back-mixing zone; and a riser having a lower end disposed within the back-mixing zone and an upper end opening into the restricted back-mixing zone such that liquid from the back-mixing zone can rise through the riser to the restricted back-mixing zone, wherein the flow into the restricted back-mixing zone enters from below. The reactor is configured to allow optimum utilization of the high-pressure reaction space and to substantially avoid contamination of the post-treatment steps or subsequent reactions arranged downstream of the high-pressure reaction with foam. The invention further relates to a process for carrying out a continuous gas/liquid two-phase high-pressure reaction in said reactor.)

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