【3D Process Flow】--Fixed-bed Reactor

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【3D Process Flow】Summary Post – Useful for learning about the process flow: https://bbs.hcbbs.com/thread-5711616-1-1.html ----------------------------------------------------------Fixed-bed reactor: A reaction device filled with stationary solid catalyst particles, through which the reaction fluid flows to carry out the reaction. Adiabatic Fixed-Bed Reactor: This is a simple vertical container. The reactants (such as hot gas) enter from the top inlet and flow downward through the internally packed catalyst bed and inert filler layer, while the reaction products exit from the bottom outlet. Temperature measurement ports are provided on the reactor wall to monitor the bed temperature. In this type, there is no external heat exchange during the reaction process, which is why it is called adiabatic. Heat Exchange Fixed-Bed Reactor: This type of reactor incorporates heat exchange functionality. Solid catalysts are filled inside the tubes of the catalyst bundle. The reaction fluid flows inside the tube and comes into contact with the catalyst to undergo a reaction. The shell-side space outside the tubes is filled with a heat transfer medium (for example, water that generates steam through a drum system as shown in the diagram), which exchanges heat with the reactants inside the tubes in order to control the reaction temperature.